/* Общая дизайн-система: переменные по темам + компоненты */

/* Тёмная тема (по умолчанию) */
[data-theme="dark"] {
  --color-bg: #0f1419;
  --color-surface: #1a2332;
  --color-surface-2: #243044;
  --color-text: #e8eef7;
  --color-muted: #9aa8bc;
  --color-accent: #5b8cff;
  --color-accent-hover: #7aa3ff;
  --color-border: #2e3c52;
  --color-on-accent: #0b1020;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --color-danger: #ff8a8a;
}

/* Светлая тема */
[data-theme="light"] {
  --color-bg: #eef1f7;
  --color-surface: #ffffff;
  --color-surface-2: #e4e9f2;
  --color-text: #141922;
  --color-muted: #5c6578;
  --color-accent: #2b6cf5;
  --color-accent-hover: #1e56cc;
  --color-border: #d0d7e6;
  --color-on-accent: #ffffff;
  --shadow: 0 6px 20px rgba(20, 25, 34, 0.08);
  --color-danger: #c62828;
}

:root {
  --radius: 10px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --font-sans: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  /* Компактные кнопки по всему сайту */
  --btn-font-size: 0.8125rem;
  --btn-font-weight: 500;
  --btn-padding-y: 0.32rem;
  --btn-padding-x: 0.65rem;
  --btn-radius: 6px;
  --btn-gap: 0.3rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  color-scheme: dark light;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  color: var(--color-accent-hover);
}

/* Контент на всю ширину окна (с отступами по краям) */
.container {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 0 clamp(var(--space-2), 3vw, var(--space-4));
}

.site-header {
  flex-shrink: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 56px;
}
.brand {
  font-weight: 700;
  color: var(--color-text);
}
/* Логотип в шапке: ограничиваем высоту под высоту header */
.brand--logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.brand__logo {
  display: block;
  height: 36px;
  width: auto;
  max-width: min(200px, 42vw);
  object-fit: contain;
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.nav__link {
  color: var(--color-muted);
}
.nav__link:hover {
  color: var(--color-text);
}
.nav__logout {
  display: inline;
  margin: 0;
}

.nav--toolbar {
  gap: var(--space-2);
}

.nav__link--login {
  font-size: 0.95rem;
}
/* Второй пункт в шапке — вход в панель (рядом с «Вход» студента) */
.nav__link--staff {
  font-size: 0.85rem;
  opacity: 0.85;
}

/* Переключатель темы — компактная иконка */
.theme-toggle--icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.875rem;
  height: 1.875rem;
  padding: 0;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.theme-toggle--icon:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
  background: var(--color-surface-2);
}

.theme-toggle__icon {
  display: none;
  align-items: center;
  justify-content: center;
}

.theme-toggle__icon svg {
  display: block;
  width: 1rem;
  height: 1rem;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
  display: flex;
}

html[data-theme="light"] .theme-toggle__icon--moon {
  display: flex;
}

.main {
  flex: 1 1 auto;
  padding: var(--space-4) 0;
  width: 100%;
}

.site-footer {
  flex-shrink: 0;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: 0.4rem 0;
}

.site-footer p {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.3;
}

.muted {
  color: var(--color-muted);
}

.page-title {
  margin: 0 0 var(--space-2);
  font-size: 1.75rem;
}
.lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  box-shadow: var(--shadow);
}
.card--narrow {
  max-width: 480px;
  margin: 0 auto;
}

/* Формы в панели /control/ — на всю ширину контентной колонки (единый стиль с остальными страницами) */
.control-form {
  width: 100%;
  max-width: none;
}
.card__title {
  margin: 0 0 var(--space-2);
  font-size: 1.15rem;
}
.card__text {
  color: var(--color-muted);
  margin: 0 0 var(--space-2);
}
.card--clickable .card__title a {
  color: var(--color-text);
}
.card--clickable .card__title a:hover {
  color: var(--color-accent-hover);
}

.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--btn-gap);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  line-height: 1.25;
  cursor: pointer;
  text-decoration: none;
  box-sizing: border-box;
}
.btn--icon {
  padding: 0.2rem;
  min-width: 1.875rem;
  min-height: 1.875rem;
  font-size: 0.95rem;
  line-height: 1;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: transparent;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-on-accent);
}
.btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-muted);
}
.btn--danger {
  background: var(--color-danger, #b42318);
  color: #fff;
  border-color: transparent;
}
.btn--danger:hover:not(:disabled) {
  filter: brightness(1.08);
}
.btn--danger:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn--sm {
  font-size: 0.85rem;
  padding: 0.35rem 0.65rem;
}
.btn--ghost {
  background: transparent;
  color: var(--color-muted);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
}

.form .field {
  margin-bottom: var(--space-2);
}
.field__label {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--color-muted);
  font-size: 0.9rem;
}
.form input[type="text"],
.form input[type="password"],
.form input[type="email"],
.form .input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font: inherit;
}

.form .input--file {
  padding: 0.4rem 0.5rem;
}

.form .input--file::file-selector-button {
  margin-right: 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius);
  background: var(--color-surface-2);
  color: var(--color-text);
  font: inherit;
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  cursor: pointer;
}

.form .input--file:hover::file-selector-button {
  border-color: var(--color-muted);
}
.form-errors {
  color: var(--color-danger);
  margin-bottom: var(--space-2);
}

/* Строка с переключателем (курс: «Опубликован») */
.field--switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: 0.35rem 0;
}

.field__label--inline {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* Переключатель вместо системного чекбокса (компактный) */
.switch {
  position: relative;
  display: inline-block;
  width: 2.5rem;
  height: 1.35rem;
  flex-shrink: 0;
  cursor: pointer;
}

.switch__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  margin: 0;
}

.switch__slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--color-border);
  transition: background 0.22s ease, box-shadow 0.2s ease;
  border: 1px solid var(--color-border);
}

.switch__slider::after {
  content: "";
  position: absolute;
  width: 1.05rem;
  height: 1.05rem;
  left: 0.16rem;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: left 0.22s ease, background 0.2s ease;
}

.switch__input:checked + .switch__slider {
  background: var(--color-accent);
  border-color: transparent;
}

.switch__input:checked + .switch__slider::after {
  left: calc(100% - 1.05rem - 0.16rem);
  background: var(--color-on-accent);
}

.switch__input:focus-visible + .switch__slider {
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.45);
}

[data-theme="light"] .switch__input:focus-visible + .switch__slider {
  box-shadow: 0 0 0 3px rgba(43, 108, 245, 0.35);
}

.switch:hover .switch__slider {
  filter: brightness(1.05);
}

/* Кастомный чекбокс в стиле панели (скругление, акцент) */
.ui-check {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  vertical-align: middle;
  cursor: pointer;
}

.ui-check__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
  z-index: 1;
}

.ui-check__box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 0.38rem;
  border: 1.5px solid color-mix(in srgb, var(--color-border) 88%, var(--color-muted));
  background: var(--color-surface);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--color-text) 6%, transparent);
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
  pointer-events: none;
}

.ui-check__box::after {
  content: "";
  width: 0.32rem;
  height: 0.58rem;
  border: solid var(--color-on-accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0.6);
  opacity: 0;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.ui-check__input:checked + .ui-check__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 22%, transparent);
}

.ui-check__input:checked + .ui-check__box::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.ui-check__input:focus-visible + .ui-check__box {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 35%, transparent);
}

.ui-check__input:indeterminate + .ui-check__box {
  background: color-mix(in srgb, var(--color-accent) 72%, var(--color-surface));
  border-color: var(--color-accent);
}

.ui-check__input:indeterminate + .ui-check__box::after {
  opacity: 1;
  width: 0.55rem;
  height: 0.1rem;
  border: none;
  border-radius: 1px;
  background: var(--color-on-accent);
  transform: none;
}

.ui-check:hover .ui-check__box {
  border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border));
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
}
.messages__item {
  padding: var(--space-2);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.messages--toast {
  position: fixed !important;
  top: 72px !important;
  right: 16px !important;
  left: auto !important;
  z-index: 1200 !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: auto !important;
  max-width: min(92vw, 360px) !important;
  pointer-events: none;
}

.messages--toast .messages__item {
  margin: 0;
  width: 100%;
  box-shadow: var(--shadow);
  transform: translateY(-8px) scale(0.98);
  opacity: 0;
  transition: opacity 220ms ease, transform 220ms ease;
}

.messages--toast .messages__item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.messages--toast .messages__item.is-hiding {
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
}

.messages--toast .messages__item--success {
  background: #2e7d32;
  border-color: #2e7d32;
  color: #fff;
}
.messages--toast .messages__item--warning {
  background: #ed6c02;
  border-color: #ed6c02;
  color: #fff;
}
.messages--toast .messages__item--error {
  background: #d32f2f;
  border-color: #d32f2f;
  color: #fff;
}

.breadcrumbs {
  margin-bottom: var(--space-2);
  font-size: 0.9rem;
  padding-left: 20px;
}

/* Хлебные крошки на странице редактирования урока */
.lesson-breadcrumbs {
  margin-bottom: 16px;
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  line-height: 1.5;
}

.lesson-breadcrumbs__link {
  color: var(--color-link, #4f9cf7);
  text-decoration: none;
  font-weight: 500;
}

.lesson-breadcrumbs__link:hover {
  text-decoration: underline;
}

.lesson-breadcrumbs__sep {
  color: var(--color-muted, #8892a4);
  margin: 0 2px;
  font-size: 1.1rem;
  user-select: none;
}

.lesson-breadcrumbs__item {
  color: var(--color-muted, #8892a4);
  font-weight: 400;
}

.lesson-breadcrumbs__current {
  color: var(--color-text, #e1e4e8);
  font-weight: 600;
}

.outline-section {
  margin-top: var(--space-3);
}
.outline-section__title {
  margin: 0 0 var(--space-1);
  font-size: 1.05rem;
}
.outline-section__subtitle {
  margin: var(--space-2) 0 var(--space-1);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-muted);
}
.outline-section--module {
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}
.outline-section--nested {
  margin-left: var(--space-3);
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-border);
}
.btn-row--wrap {
  flex-wrap: wrap;
  gap: var(--btn-gap);
}
.lesson-list {
  margin: 0;
  padding-left: 1.25rem;
}

.lesson-list--cards {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 8px;
}

.lesson-list--cards > li {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0;
  background: var(--color-surface-2);
}

.lesson-list--cards > li > a {
  display: block;
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  line-height: 1.2;
}

.lesson-list--cards a.is-active {
  color: var(--color-text);
  font-weight: 700;
  background: color-mix(in srgb, var(--color-accent) 18%, var(--color-surface-2));
}

.lesson-list__locked {
  display: block;
  padding: 9px 12px;
  color: var(--color-muted);
  cursor: not-allowed;
}

.course-study-sidebar .outline-section--module > .row .outline-section__title {
  font-family: "Roboto Condensed", "Roboto Condensed Fallback", sans-serif;
  font-size: 19px;
  font-weight: 400;
  color: #E76F25;
  line-height: 1.2;
}

.course-study-sidebar .outline-section__title {
  font-family: "Roboto Condensed", "Roboto Condensed Fallback", sans-serif;
  font-size: 19px;
  font-weight: 400;
  color: #318CE7;
  line-height: 1.2;
}

.course-study-sidebar .outline-section__subtitle {
  font-family: "Roboto Condensed", "Roboto Condensed Fallback", sans-serif;
  font-size: 19px;
  font-weight: 400;
  color: #318CE7;
  line-height: 1.2;
}

.course-study-sidebar [data-collapsible-body] > .outline-section {
  margin-left: 24px;
  border-left: 2px solid var(--color-border);
  padding-left: 18px;
}

.course-study-sidebar [data-collapsible-body] [data-collapsible-body] > .outline-section {
  margin-left: 20px;
  border-left-color: color-mix(in srgb, var(--color-border) 85%, transparent);
  padding-left: 16px;
}

.course-study-sidebar .lesson-list--cards > li > a {
  font-family: "Roboto", "Roboto Fallback", sans-serif;
  font-size: 14px;
  color: #000000;
  transition: color 0.15s ease;
}

.course-study-sidebar .lesson-list--cards > li > a:hover {
  color: #318CE7;
}

.course-study-sidebar [data-collapsible-body] .lesson-list--cards > li > a {
  font-family: "Roboto", "Roboto Fallback", sans-serif;
  font-size: 14px;
  color: #000000;
  transition: color 0.15s ease;
}

.course-study-sidebar [data-collapsible-body] .lesson-list--cards > li > a:hover {
  color: #318CE7;
}

.course-study-sidebar [data-collapsible-body] [data-collapsible-body] .lesson-list--cards > li > a {
  font-family: "Roboto", "Roboto Fallback", sans-serif;
  font-size: 14px;
  color: #000000;
  transition: color 0.15s ease;
}

.course-study-sidebar [data-collapsible-body] [data-collapsible-body] .lesson-list--cards > li > a:hover {
  color: #318CE7;
}

.course-subsections-group {
  margin-bottom: 12px;
}

.course-study-sidebar .course-subsections-group > .outline-section {
  margin-left: 28px;
  padding-left: 14px;
  border-left-color: color-mix(in srgb, var(--color-border) 82%, transparent);
}

.course-study-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 16px;
  align-items: start;
}

.course-study-sidebar {
  position: sticky;
  top: 16px;
}

.course-study-content {
  min-height: 420px;
}

.lesson-report-note {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--color-accent) 10%, var(--color-surface));
  border: 1px solid color-mix(in oklab, var(--color-accent) 28%, var(--color-border));
}

.lesson-comment-item {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-2);
}

.lesson-report-item__files {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.lesson-comment-item + .lesson-comment-item {
  margin-top: 10px;
}

.lesson-comment-item__meta {
  margin-bottom: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lesson-body-content img,
.lesson-body-content iframe,
.lesson-body-content video {
  max-width: 100%;
  border-radius: 10px;
}

/* Выравнивание медиа-блоков SunEditor (лево/центр/право) */
.lesson-body-content .__se__float-center {
  float: none !important;
  clear: none !important;
  display: block !important;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-top: 12px !important;
  margin-bottom: 12px !important;
}

.lesson-body-content .__se__float-right {
  float: none !important;
  clear: none !important;
  display: block !important;
  margin-left: auto !important;
  margin-right: 0 !important;
  margin-top: 12px !important;
  margin-bottom: 12px !important;
}

.lesson-body-content .__se__float-left {
  float: none !important;
  clear: none !important;
  display: block !important;
  margin-left: 0 !important;
  margin-right: auto !important;
  margin-top: 12px !important;
  margin-bottom: 12px !important;
}

.lesson-body-content figure,
.lesson-body-content .se-component,
.lesson-body-content .se-video-container {
  max-width: 100%;
  float: none !important;
  clear: none !important;
  display: block !important;
  margin-top: 12px;
  margin-bottom: 12px;
}

/* Контейнеры PlayerJS: аккуратное скругление и стабильный поток документа. */
.lesson-body-content .playerjs-auto-wrap,
.lesson-body .prose .playerjs-auto-wrap {
  max-width: 100%;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 12px;
  margin-bottom: 12px;
}

.lesson-body-content .playerjs-auto-wrap.playerjs-align-center,
.lesson-body .prose .playerjs-auto-wrap.playerjs-align-center {
  margin-left: auto;
  margin-right: auto;
}

.lesson-body-content .playerjs-auto-wrap.playerjs-align-right,
.lesson-body .prose .playerjs-auto-wrap.playerjs-align-right {
  margin-left: auto;
  margin-right: 0;
}

.lesson-body-content .playerjs-auto-wrap.playerjs-align-left,
.lesson-body .prose .playerjs-auto-wrap.playerjs-align-left {
  margin-left: 0;
  margin-right: auto;
}

.lesson-body-content .playerjs-auto,
.lesson-body .prose .playerjs-auto {
  width: 100%;
  min-height: 260px;
}

.lesson-feedback {
  padding: 20px 22px;
  border-radius: 16px;
}

.lesson-feedback__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.lesson-feedback__title {
  margin: 0;
}

.lesson-feedback__status {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.lesson-feedback__form {
  display: grid;
  gap: 14px;
}

.lesson-feedback__form .field {
  margin-bottom: 0;
}

.lesson-feedback__form .input--textarea {
  min-height: 140px;
  resize: vertical;
}

.lesson-feedback__form .btn {
  justify-self: flex-start;
}

.lesson-feedback__submitted {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface-2);
  white-space: normal;
}

.lesson-comment-item {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface-2);
}

.feedback-hub {
  padding: 18px;
}

.feedback-hub__count {
  margin-left: 8px;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 600;
}

.feedback-hub__list {
  display: grid;
  gap: 16px;
}

.feedback-hub__subtabs {
  margin-bottom: 16px;
}

.feedback-admin-card {
  padding: 18px;
}

.feedback-admin-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.feedback-admin-card__title {
  margin: 0 0 6px;
}

.feedback-admin-card__meta {
  margin: 0;
}

.feedback-admin-card__status {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.feedback-admin-card__status--approved {
  background: rgba(18, 183, 106, 0.12);
  border-color: rgba(18, 183, 106, 0.28);
}

.feedback-admin-card__status--rejected {
  background: rgba(217, 45, 32, 0.12);
  border-color: rgba(217, 45, 32, 0.28);
}

.feedback-admin-card__status--pending {
  background: rgba(43, 108, 245, 0.10);
  border-color: rgba(43, 108, 245, 0.24);
}

.feedback-admin-card__body {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}

.feedback-admin-card__text {
  white-space: normal;
}

.feedback-admin-card__files {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feedback-admin-card__review-form {
  display: grid;
  gap: 12px;
}

.feedback-admin-card__delete-form {
  margin-top: 10px;
}

@media (max-width: 980px) {
  .course-study-layout {
    grid-template-columns: 1fr;
  }

  .course-study-sidebar {
    position: static;
  }

  .lesson-feedback__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .feedback-admin-card__header {
    flex-direction: column;
  }
}

/* Старый prose (SunEditor): white-space pre-wrap для сохранения переносов */
.lesson-body .prose {
  white-space: pre-wrap;
}

/* Блочный редактор: отключаем pre-wrap — иначе text-align/выравнивание не работают */
.lesson-body .prose.blocks-active {
  white-space: normal;
}

.lesson-body .prose img,
.lesson-body .prose iframe,
.lesson-body .prose video {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Для SunEditor (без blocks-active): отключаем переопределение inline-стилей */
.lesson-body .prose:not(.blocks-active) iframe,
.lesson-body .prose:not(.blocks-active) video {
  display: block;
  width: auto;
  min-height: 260px;
}

/* ─── Видео-блок с нативным постером ────────────────────────────────── */
.video-block-wrap {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.video-block__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Поддержка data-video-width для кастомной ширины видео-блока */
.video-block-wrap[data-video-width] {
  width: auto;
  max-width: 100%;
  display: inline-block;
}

.video-block-wrap[data-video-width] .video-block__video {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

/* Поддержка data-video-width для PlayerJS-враппера */
.playerjs-auto-wrap[data-video-width] {
  width: auto;
  max-width: 100%;
  display: inline-block;
}

.playerjs-auto-wrap[data-video-width] .playerjs-auto {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}

/* На мобильных — всегда 100% ширины */
@media (max-width: 768px) {
  .video-block-wrap[data-video-width],
  .playerjs-auto-wrap[data-video-width] {
    width: 100% !important;
    display: block;
  }
}

.lesson-body .prose figure,
.lesson-body .prose .se-component,
.lesson-body .prose .se-video-container {
  border-radius: 10px;
  overflow: hidden;
}

/* Редактор урока: iframe видео не должен перехватывать клики в режиме редактирования,
   иначе после вставки видео сложно поставить курсор и продолжить набор текста. */
.sun-editor-editable iframe,
.sun-editor-editable video {
  pointer-events: none;
}

.sun-editor-editable .se-component,
.sun-editor-editable .se-video-container {
  margin-bottom: 12px;
}

/* Панель /control/: flex — ширина сайдбара плавно меняется, контент не «прыгает» */
.control-layout-wrapper {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  width: 100%;
  --control-sidebar-w: 260px;
}

.control-layout-wrapper.is-sidebar-collapsed {
  --control-sidebar-w: 72px;
}

.control-sidebar {
  width: var(--control-sidebar-w);
  flex-shrink: 0;
  transition: width 0.32s ease, padding 0.32s ease;
  position: relative;
  z-index: 5;
}

/* В личном кабинете студента меню фиксируется при прокрутке страницы. */
#student-layout .control-sidebar {
  position: sticky;
  top: 16px;
  align-self: flex-start;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.control-sidebar.card {
  transition: width 0.32s ease, padding 0.32s ease;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar.card {
  padding-left: 0.4rem;
  padding-right: 0.4rem;
}

.control-main {
  flex: 1 1 0%;
  min-width: 0;
  padding: 20px;
}

.control-sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  min-height: 1.875rem;
  transition: margin 0.25s ease;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar__head {
  justify-content: center;
  margin-bottom: var(--space-2);
}

.control-sidebar__title {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: opacity 0.22s ease, max-width 0.3s ease, margin 0.3s ease;
  max-width: 160px;
  overflow: hidden;
  white-space: nowrap;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar__title {
  opacity: 0;
  max-width: 0;
  margin: 0;
  pointer-events: none;
}

/* Кнопка свернуть/развернуть: разные стрелки в двух состояниях */
.control-sidebar-toggle__icon--expand {
  display: none;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar-toggle__icon--collapse {
  display: none;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar-toggle__icon--expand {
  display: inline;
}

.control-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.control-nav__link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  position: relative;
  color: var(--color-muted);
  padding: 0.32rem 0.28rem;
  border-radius: var(--btn-radius);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  transition: color 0.15s ease, background 0.15s ease, gap 0.3s ease, padding 0.3s ease;
}

.control-nav__link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.control-nav__link.is-active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.control-layout-wrapper.is-sidebar-collapsed .control-nav__link {
  justify-content: center;
  gap: 0;
  padding: 0.32rem 0.15rem;
}

.control-nav__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-text);
}

.control-nav__icon svg {
  display: block;
  width: 1.125rem;
  height: 1.125rem;
}

.control-nav__label {
  transition: opacity 0.22s ease, max-width 0.32s ease, margin 0.32s ease;
  max-width: 200px;
  opacity: 1;
  white-space: nowrap;
  overflow: hidden;
}

.control-layout-wrapper.is-sidebar-collapsed .control-nav__label {
  max-width: 0;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

/* Подсказка у пункта только в режиме иконок (свернуто) */
.control-nav__link[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform: translate3d(-6px, -50%, 0);
  padding: var(--btn-padding-y) 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius);
  color: var(--color-text);
  font-size: 0.75rem;
  line-height: 1.35;
  white-space: normal;
  max-width: min(280px, 70vw);
  width: max-content;
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: var(--shadow);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.control-layout-wrapper:not(.is-sidebar-collapsed) .control-nav__link[data-tooltip]::before {
  display: none;
}

.control-layout-wrapper.is-sidebar-collapsed .control-nav__link[data-tooltip]:hover::before,
.control-layout-wrapper.is-sidebar-collapsed .control-nav__link[data-tooltip]:focus-visible::before {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, -50%, 0);
}

.control-layout-wrapper.is-sidebar-collapsed .control-nav__link[data-tooltip]::before {
  left: calc(100% + 14px);
  z-index: 1000;
  min-width: 12rem;
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  color: var(--color-text);
  background: var(--color-surface);
  box-shadow: 0 18px 45px rgba(2, 6, 23, 0.22);
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.table th {
  color: var(--color-muted);
  font-weight: 600;
}

.th--narrow {
  width: 3rem;
}

.td--handle {
  width: 3rem;
  vertical-align: middle;
}

.course-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.875rem;
  height: 1.875rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius);
  background: var(--color-surface-2);
  color: var(--color-muted);
  cursor: grab;
  font-size: 0.875rem;
  line-height: 1;
}

.course-drag-handle:active {
  cursor: grabbing;
}

.course-drag-handle:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
}

.sortable-ghost-row {
  opacity: 0.45;
  background: var(--color-surface-2);
}

.sortable-chosen-row {
  background: var(--color-surface-2);
}

.sortable-drag-row {
  opacity: 0.95;
}

.course-reorder-hint {
  margin: 0 0 var(--space-2);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

.row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.row--between {
  justify-content: space-between;
  align-items: center;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--btn-gap);
  align-items: center;
}

.row--tight {
  align-items: center;
  gap: 0.35rem;
}

.page-title--section {
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
  font-size: 1.2rem;
  font-weight: 600;
}

/* Ручка перетаскивания в структуре курса (/control/) */
.dnd-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius, 6px);
  background: var(--color-surface-2);
  color: var(--color-muted);
  cursor: grab;
  font-size: 0.85rem;
  line-height: 1;
}
.dnd-drag-handle:hover {
  color: var(--color-text);
  border-color: var(--color-muted);
}
.dnd-drag-handle:active {
  cursor: grabbing;
}

.dnd-lesson-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  list-style: none;
  margin: 0 0 0.45rem;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--btn-radius, 6px);
  background: var(--color-surface);
}
.dnd-lesson-row:last-child {
  margin-bottom: 0;
}
.dnd-lesson-row__title {
  flex: 1 1 8rem;
  min-width: 0;
}
.dnd-lesson-row__actions {
  margin-left: auto;
}

.sortable-modules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sortable-modules-list > .sortable-module-item.outline-section--module {
  margin-top: 0;
}

.sortable-section-roots {
  min-height: 0.35rem;
  margin-top: var(--space-2);
}

.sortable-section-item {
  margin-bottom: 0.55rem;
}
.sortable-section-item:last-child {
  margin-bottom: 0;
}
.sortable-section-item > .outline-section {
  margin-top: 0;
  padding: 0.6rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: none;
}
.sortable-section-item > .outline-section--nested {
  margin-left: 0;
  padding-left: 0.65rem;
  border-left: 1px solid var(--color-border);
}

.sortable-lessons-list {
  min-height: 1.5rem;
  margin-top: var(--space-1);
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

.sortable-ghost-block {
  opacity: 0.55;
  background: var(--color-surface-2);
}
.sortable-chosen-block {
  background: var(--color-surface-2);
}
.sortable-drag-block {
  opacity: 0.98;
}

.collapse-toggle {
  min-width: 1.75rem;
  padding-left: 0.35rem;
  padding-right: 0.35rem;
}

[data-collapsible-body] {
  overflow: hidden;
  max-height: 2000px;
  opacity: 1;
  transition: max-height 240ms ease, opacity 200ms ease;
}

.is-collapsed > [data-collapsible-body] {
  max-height: 0;
  opacity: 0;
}

.inline-form {
  display: inline;
}

.small {
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .page-title {
    font-size: 1.4rem;
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .control-sidebar,
  .control-sidebar.card,
  .control-sidebar__title,
  .control-nav__label,
  .control-nav__link,
  .control-nav__link[data-tooltip]::before,
  [data-collapsible-body] {
    transition: none !important;
  }
}

.u-hidden {
  display: none;
}

.contact-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.avatar-editor {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-2);
  padding: 12px;
  margin: 8px 0 14px;
}

.avatar-editor__top {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.avatar-editor__preview-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
}

.avatar-editor__message {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.92rem;
  border: 1px solid transparent;
}

.avatar-editor__message--error {
  color: #7f1d1d;
  background: #fee2e2;
  border-color: #fecaca;
}

.avatar-editor__message--success {
  color: #14532d;
  background: #dcfce7;
  border-color: #bbf7d0;
}

.avatar-editor__message--info {
  color: #1e3a8a;
  background: #dbeafe;
  border-color: #bfdbfe;
}

.avatar-editor__layout {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.avatar-editor__preview-wrap {
  position: relative;
  width: 260px;
  height: 260px;
}

.avatar-editor__preview-wrap--modal {
  margin: 10px auto 12px;
}

.avatar-editor__canvas {
  width: 260px;
  height: 260px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: block;
  background: #101827;
  touch-action: none;
}

.avatar-editor__mask {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed rgba(255, 255, 255, 0.75);
  box-shadow: inset 0 0 0 9999px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.avatar-editor__controls {
  min-width: 270px;
  flex: 1;
}

.avatar-editor__hint {
  margin-bottom: 0;
}

.contact-avatar--lg {
  width: 120px;
  height: 120px;
}

.avatar-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-modal[hidden] {
  display: none !important;
}

.avatar-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 11, 18, 0.64);
}

.avatar-modal__dialog {
  position: relative;
  width: min(520px, calc(100vw - 24px));
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.82rem;
  color: var(--color-muted);
  background: var(--color-surface-2);
}

.course-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.course-cover--wide {
  aspect-ratio: 16 / 9;
}

.course-thumb-preview {
  width: 220px;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.courses-grid[data-cols="4"] {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.student-courses-layout-switch {
  margin-bottom: var(--space-2);
}

.student-courses-layout-switch .btn.is-active {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: transparent;
}

.btn--full {
  width: 100%;
  text-align: center;
}

@media (max-width: 1200px) {
  .courses-grid,
  .courses-grid[data-cols="4"] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .courses-grid,
  .courses-grid[data-cols="4"] {
    grid-template-columns: 1fr;
  }
}

.settings-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.settings-tabs__item {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  background: var(--color-surface);
}

.settings-tabs__item:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.settings-tabs__item.is-active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.input-with-action {
  position: relative;
}

.input-with-action .input {
  width: 100%;
  padding-right: 2.3rem;
}

.password-toggle {
  position: absolute;
  right: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color 0.15s ease, background 0.15s ease;
}

.password-toggle:hover {
  color: var(--color-text);
  background: color-mix(in oklab, var(--color-surface-2) 80%, transparent);
}

.password-toggle.is-open {
  color: var(--color-accent);
  background: color-mix(in oklab, var(--color-accent) 16%, transparent);
}

.password-toggle__icon--hide {
  display: none;
}

.password-toggle__icon svg {
  width: 1.2rem;
  height: 1.2rem;
  display: block;
}

.password-toggle.is-open .password-toggle__icon--show {
  display: none;
}

.password-toggle.is-open .password-toggle__icon--hide {
  display: inline;
}

.auth-submit-btn {
  display: block;
  margin: 0.25rem auto 0;
  min-width: 220px;
  padding: 0.72rem 1.25rem;
  font-size: 1rem;
  text-align: center;
}

html[data-theme="light"] .auth-submit-btn {
  background: #289cca;
  border-color: #289cca;
  color: #ffffff;
}

html[data-theme="light"] .auth-submit-btn:hover {
  background: #2287af;
  border-color: #2287af;
}

.email-templates-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) 1fr;
  gap: 14px;
  align-items: start;
}

.email-templates-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.email-templates-nav__item {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--color-muted);
  background: var(--color-surface);
}

.email-templates-nav__item:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.email-templates-nav__item.is-active {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.email-template-vars {
  margin-bottom: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface-2);
}
.email-template-vars__title {
  margin: 0 0 8px;
  font-size: 1rem;
}
.email-template-vars__list {
  margin: 8px 0 0;
  padding-left: 1.2rem;
}
.email-template-vars__code {
  font-size: 0.9em;
  word-break: break-all;
}

@media (max-width: 980px) {
  .email-templates-layout {
    grid-template-columns: 1fr;
  }
}

/* Список контактов: одна карточка как у «Курсы» — поиск и таблица без отдельного блока */
.contact-list-search-block {
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.contact-search-field {
  margin-bottom: 0;
}
.contact-search-field .input-with-action {
  max-width: 28rem;
}
.input-with-action--search-clear .input {
  padding-right: 2.35rem;
}
/* Крестик очистки — в одном стиле с кнопкой «глаз» у пароля */
.input-clear-btn {
  position: absolute;
  right: 0.3rem;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color 0.15s ease, background 0.15s ease;
}
.input-clear-btn:hover {
  color: var(--color-text);
  background: color-mix(in oklab, var(--color-surface-2) 80%, transparent);
}
.input-clear-btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}
.input-clear-btn[hidden] {
  display: none !important;
}
.contact-bulk-form__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: 0 0 var(--space-2);
  margin: 0 0 var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.contact-bulk-form--loading .table--contacts {
  opacity: 0.55;
  transition: opacity 0.15s ease;
  pointer-events: none;
}
.table--contacts .table__th--check,
.table--contacts td:first-child {
  width: 2.25rem;
  text-align: center;
  vertical-align: middle;
}
.table--contacts .table__th--avatar,
.table--contacts td:nth-child(2) {
  width: 3.25rem;
  vertical-align: middle;
}
.contact-avatar-cell {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-avatar-cell__img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.contact-avatar-cell__placeholder {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}
.pagination {
  margin-top: var(--space-2);
  padding: var(--space-1) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.pagination--below-table {
  /* без второй «карточки» — как обычная строка под таблицей */
  padding-left: 0;
  padding-right: 0;
}
.pagination__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* File manager */
.media-manager-embed {
  min-height: 78vh;
}

.media-manager-embed__frame {
  width: 100%;
  min-height: 72vh;
  border: 0;
  display: block;
  border-radius: 12px;
  background: var(--color-surface);
}

.media-manager-embed-shell {
  padding-top: 0;
  padding-bottom: 0;
}

.media-manager-embed-inner {
  padding: 14px;
}

.media-manager-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.media-manager-layout {
  display: grid;
  grid-template-columns: minmax(260px, 300px) 1fr;
  gap: var(--space-2);
  align-items: start;
}

.media-manager-sidebar {
  position: sticky;
  top: 16px;
}

.media-manager-folder-create {
  margin-bottom: var(--space-2);
}

.media-manager-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-manager-tree__list,
.media-manager-tree__children {
  list-style: none;
  margin: 0;
  padding: 0;
}

.media-manager-tree__item {
  margin: 2px 0;
}

.media-manager-tree__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--color-muted);
  background: transparent;
}

.media-manager-tree__link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

.media-manager-tree__link.is-active {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

.media-manager-tree__children {
  padding-left: 16px;
  margin-top: 4px;
  border-left: 1px solid var(--color-border);
}

.media-folder-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-folder-tree--nested {
  padding-left: 16px;
  margin-top: 4px;
  border-left: 1px solid var(--color-border);
}

.media-folder-tree__item {
  margin: 0;
}

.media-folder-tree__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--color-muted);
  background: transparent;
}

.media-folder-tree__link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

.media-folder-tree__item.is-active > .media-folder-tree__link {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

.media-folder-tree__count {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.media-manager-content__top {
  margin-bottom: var(--space-2);
  gap: var(--space-2);
}

.media-manager-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.media-manager-upload {
  margin: 0;
}

.media-manager-upload__label {
  position: relative;
  overflow: hidden;
}

.media-manager-upload__label input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.media-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  padding: 8px;
  box-shadow: var(--shadow);
  position: relative;
}

.media-card--selectable {
  cursor: pointer;
}

.media-card__button {
  display: flex;
  flex-direction: column;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.media-card__thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
}

.media-card__title {
  margin-top: 6px;
  font-size: 0.84rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  color: var(--color-muted);
  font-size: 0.74rem;
}

.media-card__footer {
  margin-top: 6px;
  display: block;
}

.media-card__delete-form {
  margin: 0;
}

.media-card__delete-form--corner {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 3;
}

.media-card__delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
  color: #7a2230;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.media-card__delete-btn:hover {
  border-color: #cb3d53;
  color: #a71e38;
  background: #fff;
}

.media-manager-modal {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.media-manager-modal[hidden] {
  display: none !important;
}

.media-manager-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 10, 16, 0.72);
}

.media-manager-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(96vw, 1280px);
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 16px;
}

.media-manager-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.media-manager-modal__subtitle {
  margin-bottom: 0;
}

.media-manager-modal__frame {
  width: 100%;
  height: min(82vh, 900px);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
}

@media (max-width: 980px) {
  .media-manager-layout {
    grid-template-columns: 1fr;
  }

  .media-manager-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .media-manager-head {
    flex-direction: column;
  }

  .media-manager-embed-inner {
    padding: 10px;
  }

  .media-manager-modal {
    padding: 8px;
  }

  .media-manager-modal__dialog {
    width: 100%;
    max-height: calc(100vh - 16px);
    padding: 12px;
  }

  .media-manager-modal__frame {
    height: calc(100vh - 120px);
  }
}

/* 2026 interface refresh: calm admin shell with preserved light/dark themes. */
:root {
  --radius: 14px;
  --radius-sm: 9px;
  --radius-lg: 20px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.25rem;
  --btn-font-size: 0.875rem;
  --btn-font-weight: 500;
  --btn-padding-y: 0.55rem;
  --btn-padding-x: 0.9rem;
  --btn-radius: 10px;
  --btn-gap: 0.45rem;
  --font-sans: Roboto, system-ui, "Segoe UI", Arial, sans-serif;
}

html[data-theme="light"] {
  --color-bg: #f5f7fb;
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-2: #eef3fb;
  --color-text: #121827;
  --color-muted: #687386;
  --color-accent: #7057ff;
  --color-accent-hover: #5b43df;
  --color-border: #dfe5ef;
  --color-on-accent: #ffffff;
  --color-danger: #d14343;
  --shadow: 0 18px 50px rgba(29, 37, 59, 0.08);
  --shadow-soft: 0 8px 24px rgba(29, 37, 59, 0.06);
  --sidebar-bg: #101827;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --sidebar-text: #eef3ff;
  --sidebar-muted: #a7b2c7;
  --sidebar-hover: rgba(255, 255, 255, 0.08);
  --sidebar-active: linear-gradient(135deg, #7057ff, #8e6dff);
}

html[data-theme="dark"] {
  --color-bg: #0b1020;
  --color-surface: rgba(18, 25, 43, 0.9);
  --color-surface-2: #172238;
  --color-text: #edf2ff;
  --color-muted: #9ba8be;
  --color-accent: #8c73ff;
  --color-accent-hover: #a48fff;
  --color-border: #27334a;
  --color-on-accent: #ffffff;
  --color-danger: #ff7d7d;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.22);
  --sidebar-bg: #080e1a;
  --sidebar-border: rgba(255, 255, 255, 0.08);
  --sidebar-text: #f3f6ff;
  --sidebar-muted: #9ca9c1;
  --sidebar-hover: rgba(255, 255, 255, 0.08);
  --sidebar-active: linear-gradient(135deg, #755cff, #4b83ff);
}

body {
  background: var(--color-bg);
  letter-spacing: 0;
  font-size: 15px;
  font-weight: 400;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 0%, color-mix(in srgb, var(--color-accent) 10%, transparent) 0, transparent 30rem),
    linear-gradient(180deg, color-mix(in srgb, var(--color-bg) 92%, #ffffff 8%) 0, var(--color-bg) 42rem);
}

.container {
  padding-left: clamp(1rem, 2.4vw, 2.5rem);
  padding-right: clamp(1rem, 2.4vw, 2.5rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  min-height: 68px;
}

.brand__logo {
  height: 42px;
  max-width: min(230px, 48vw);
}

.main {
  padding: clamp(1rem, 2.6vw, 2.5rem) 0;
}

.site-footer {
  border-top-color: color-mix(in srgb, var(--color-border) 75%, transparent);
  background: color-mix(in srgb, var(--color-surface) 58%, transparent);
}

.page-title {
  margin-bottom: 0.4rem;
  font-size: clamp(1.38rem, 2.1vw, 1.85rem);
  line-height: 1.18;
  font-weight: 500;
}

.lead {
  max-width: 760px;
  font-size: 0.95rem;
  margin-bottom: 1.6rem;
}

.card {
  position: relative;
  overflow: hidden;
  border-color: color-mix(in srgb, var(--color-border) 86%, transparent);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 98%, #ffffff 2%), var(--color-surface));
  box-shadow: var(--shadow);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  pointer-events: none;
}

.card--clickable {
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.card--clickable:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-accent) 42%, var(--color-border));
  box-shadow: 0 22px 54px color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.card__title {
  font-size: 0.95rem;
  line-height: 1.25;
  font-weight: 500;
}

.grid {
  gap: 1rem;
}

.stat-num {
  font-size: clamp(1.45rem, 2.45vw, 1.95rem);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 500;
}

.grid > .card .stat-num {
  margin-top: 0.25rem;
  color: var(--color-text);
}

.grid > .card:nth-child(4n + 1) {
  --card-accent: #7057ff;
}

.grid > .card:nth-child(4n + 2) {
  --card-accent: #2f80ed;
}

.grid > .card:nth-child(4n + 3) {
  --card-accent: #20b486;
}

.grid > .card:nth-child(4n + 4) {
  --card-accent: #f2994a;
}

.grid > .card:has(.stat-num) {
  padding-left: 1.35rem;
}

.grid > .card:has(.stat-num)::after {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  bottom: 1.2rem;
  width: 4px;
  border-radius: 999px;
  background: var(--card-accent, var(--color-accent));
}

.btn {
  min-height: 2.35rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary,
.auth-submit-btn {
  background: linear-gradient(135deg, var(--color-accent), color-mix(in srgb, var(--color-accent-hover) 82%, #ffffff 18%));
  box-shadow: 0 12px 26px color-mix(in srgb, var(--color-accent) 28%, transparent);
}

.btn--secondary,
.btn--ghost {
  background: color-mix(in srgb, var(--color-surface-2) 84%, transparent);
  border-color: color-mix(in srgb, var(--color-border) 90%, transparent);
}

.btn--ghost:hover,
.btn--secondary:hover {
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface-2));
  border-color: color-mix(in srgb, var(--color-accent) 32%, var(--color-border));
}

.theme-toggle--icon,
.btn--icon,
.course-drag-handle,
.dnd-drag-handle,
.password-toggle {
  border-radius: 12px;
}

.theme-toggle--icon {
  width: 2.35rem;
  height: 2.35rem;
  background: var(--color-surface-2);
  box-shadow: var(--shadow-soft);
}

.form input[type="text"],
.form input[type="password"],
.form input[type="email"],
.form input[type="url"],
.form input[type="number"],
.form input[type="date"],
.form textarea,
.form select,
.form .input {
  border-radius: 12px;
  border-color: color-mix(in srgb, var(--color-border) 90%, transparent);
  background: color-mix(in srgb, var(--color-bg) 54%, var(--color-surface));
  padding: 0.72rem 0.85rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form input:focus,
.form textarea:focus,
.form select:focus,
.form .input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--color-accent) 66%, var(--color-border));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 16%, transparent);
}

.field__label {
  font-weight: 500;
  color: color-mix(in srgb, var(--color-text) 72%, var(--color-muted));
}

.control-layout-wrapper {
  align-items: stretch;
  gap: clamp(1rem, 2vw, 1.5rem);
  --control-sidebar-w: 280px;
}

.control-layout-wrapper.is-sidebar-collapsed {
  --control-sidebar-w: 82px;
}

.control-sidebar,
#student-layout .control-sidebar {
  position: sticky;
  top: 88px;
  align-self: flex-start;
  max-height: calc(100vh - 108px);
  overflow: auto;
}

.control-sidebar.card {
  padding: 1rem;
  border-color: var(--sidebar-border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--sidebar-bg) 92%, #29314a 8%), var(--sidebar-bg));
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.26);
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar.card {
  padding-left: 0.6rem;
  padding-right: 0.6rem;
}

.control-sidebar__head {
  min-height: 2.6rem;
  padding: 0.2rem 0.15rem 0.7rem;
  border-bottom: 1px solid var(--sidebar-border);
}

.control-sidebar__title {
  color: var(--sidebar-muted);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
}

.control-nav {
  gap: 0.12rem;
  padding-top: 0.85rem;
}

.control-nav__link {
  min-height: 2.28rem;
  gap: 0.7rem;
  padding: 0.32rem 0.58rem;
  color: var(--sidebar-muted);
  border-radius: 12px;
}

.control-nav__link:hover {
  color: var(--sidebar-text);
  background: var(--sidebar-hover);
}

.control-nav__link.is-active {
  color: #ffffff;
  background: var(--sidebar-active);
  box-shadow: 0 14px 30px rgba(112, 87, 255, 0.26);
}

.control-nav__icon {
  width: 2rem;
  height: 2rem;
  color: currentColor;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
}

.control-nav__link.is-active .control-nav__icon {
  background: rgba(255, 255, 255, 0.16);
}

.control-nav__label {
  font-size: 0.88rem;
  font-weight: 500;
}

.control-main {
  flex: 1 1 auto;
  padding: clamp(0.2rem, 1vw, 0.65rem) 0.1rem 2rem;
}

.table-wrap.card {
  padding: 0;
}

.table {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
}

.table th {
  padding: 0.85rem 0.9rem;
  color: var(--color-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
  background: color-mix(in srgb, var(--color-surface-2) 68%, transparent);
}

.table td {
  padding: 0.9rem;
  border-bottom-color: color-mix(in srgb, var(--color-border) 76%, transparent);
}

.table tbody tr {
  transition: background 0.15s ease;
}

.table tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 7%, transparent);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.badge,
.settings-tabs__item,
.email-templates-nav__item {
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-surface-2) 86%, transparent);
}

.settings-tabs {
  flex-wrap: wrap;
}

.settings-tabs__item.is-active,
.email-templates-nav__item.is-active,
.student-courses-layout-switch .btn.is-active {
  color: var(--color-on-accent);
  border-color: transparent;
  background: var(--color-accent);
}

.course-cover,
.course-thumb-preview,
.media-card__thumb {
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.courses-grid {
  gap: 1rem;
}

.courses-grid .card {
  padding: 1rem;
}

.lesson-list--cards > li > a,
.dnd-lesson-row,
.sortable-section-item > .outline-section,
.feedback-admin-card,
.lesson-comment-item,
.lesson-report-note,
.email-template-vars,
.media-card {
  border-radius: var(--radius);
  border-color: color-mix(in srgb, var(--color-border) 86%, transparent);
  background: color-mix(in srgb, var(--color-surface) 94%, var(--color-surface-2));
  box-shadow: var(--shadow-soft);
}

.lesson-list--cards > li > a:hover,
.course-study-sidebar .lesson-list--cards > li > a:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
}

.course-study-layout,
.email-templates-layout,
.media-manager-layout {
  gap: 1rem;
}

.course-study-sidebar,
.media-manager-sidebar {
  border-radius: var(--radius);
}

.breadcrumbs {
  margin-bottom: 1rem;
  font-size: 0.88rem;
}

.messages__item {
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.media-manager-modal__dialog {
  border-radius: var(--radius-lg);
}

@media (max-width: 980px) {
  .site-header {
    position: static;
  }

  .control-layout-wrapper {
    display: block;
  }

  .control-sidebar,
  #student-layout .control-sidebar {
    position: static;
    width: 100%;
    max-height: none;
    margin-bottom: 1rem;
  }

  .control-layout-wrapper.is-sidebar-collapsed .control-sidebar.card {
    padding: 0.85rem;
  }

  .control-sidebar__head {
    justify-content: space-between;
  }

  .control-layout-wrapper.is-sidebar-collapsed .control-sidebar__title,
  .control-layout-wrapper.is-sidebar-collapsed .control-nav__label {
    opacity: 1;
    max-width: none;
    pointer-events: auto;
  }

  .control-layout-wrapper.is-sidebar-collapsed .control-nav__link {
    justify-content: flex-start;
    gap: 0.7rem;
    padding: 0.55rem 0.65rem;
  }

  .control-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header__inner {
    min-height: 62px;
  }

  .brand__logo {
    height: 34px;
  }

  .nav--toolbar {
    gap: 0.45rem;
  }

  .page-title {
    font-size: 1.75rem;
  }

  .card {
    padding: 1rem;
  }

  .control-nav {
    grid-template-columns: 1fr;
  }

  .row--between,
  .media-manager-modal__head {
    align-items: stretch;
    flex-direction: column;
  }

  .btn-row {
    gap: 0.5rem;
  }

  .btn-row .btn,
  .row--between .btn {
    width: 100%;
  }
}

/* Dashboard shell closer to the reference layout. */
:root {
  --shell-sidebar-w: 280px;
  --shell-sidebar-collapsed-w: 82px;
  --shell-page-gutter: clamp(1rem, 2.4vw, 2.5rem);
  --shell-page-gutter-right: clamp(1.5rem, 3.4vw, 3.5rem);
}

body:has(.control-layout-wrapper) .site-header {
  margin-left: var(--shell-sidebar-w);
  width: calc(100% - var(--shell-sidebar-w));
}

body:has(.control-layout-wrapper.is-sidebar-collapsed) .site-header {
  margin-left: var(--shell-sidebar-collapsed-w);
  width: calc(100% - var(--shell-sidebar-collapsed-w));
}

body:has(.control-layout-wrapper) .site-header .brand {
  display: none;
}

body:has(.control-layout-wrapper) .site-header__inner {
  justify-content: flex-end;
}

body:has(.control-layout-wrapper) .main.container {
  padding-left: calc(var(--shell-sidebar-w) + var(--shell-page-gutter));
  padding-right: var(--shell-page-gutter-right);
}

body:has(.control-layout-wrapper.is-sidebar-collapsed) .main.container {
  padding-left: calc(var(--shell-sidebar-collapsed-w) + var(--shell-page-gutter));
  padding-right: var(--shell-page-gutter-right);
}

body:has(.control-layout-wrapper) .site-footer {
  margin-left: var(--shell-sidebar-w);
}

body:has(.control-layout-wrapper.is-sidebar-collapsed) .site-footer {
  margin-left: var(--shell-sidebar-collapsed-w);
}

.control-layout-wrapper {
  display: block;
  --control-sidebar-w: var(--shell-sidebar-w);
}

.control-layout-wrapper.is-sidebar-collapsed {
  --control-sidebar-w: var(--shell-sidebar-collapsed-w);
}

.control-sidebar,
#student-layout .control-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  top: 0;
  width: var(--control-sidebar-w);
  height: 100vh;
  max-height: none;
  border-radius: 0;
  z-index: 180;
  overflow: visible;
}

.control-sidebar.card {
  padding: 1.25rem 1rem;
  border-width: 0 1px 0 0;
  box-shadow: 18px 0 46px rgba(2, 6, 23, 0.18);
}

#control-layout .control-sidebar.card {
  padding-top: 1rem;
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}

.control-sidebar::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
}

.control-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.6rem;
  margin: 0 0 1.4rem;
  color: var(--sidebar-text);
  font-weight: 500;
}

#control-layout .control-sidebar-brand {
  gap: 0.62rem;
  min-height: 2.25rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.control-sidebar-brand:hover {
  color: #ffffff;
}

.control-sidebar-brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 2.35rem;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 14px;
  color: #b8aeff;
  background: rgba(140, 115, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

#control-layout .control-sidebar-brand__mark {
  flex-basis: 2rem;
  width: 2rem;
  height: 2rem;
  border-radius: 11px;
}

#control-layout .control-sidebar-brand__mark svg {
  width: 1.05rem;
  height: 1.05rem;
}

.control-sidebar-brand__text {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  transition: max-width 0.25s ease, opacity 0.2s ease;
}

.control-sidebar-brand__text--student {
  display: grid;
  gap: 0.1rem;
  white-space: normal;
  line-height: 1.15;
  font-size: 0.84rem;
}

.control-sidebar-brand__text--student span:first-child {
  color: #ffffff;
  font-weight: 500;
}

.control-sidebar-brand__text--student span:last-child {
  color: var(--sidebar-muted);
  font-size: 0.76rem;
  font-weight: 400;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar-brand {
  justify-content: center;
}

.control-layout-wrapper.is-sidebar-collapsed .control-sidebar-brand__text {
  max-width: 0;
  opacity: 0;
}

.control-sidebar__head {
  justify-content: flex-end;
  min-height: 2.25rem;
  padding: 0 0.15rem 0.75rem;
}

#control-layout .control-sidebar__head {
  min-height: 2rem;
  padding-bottom: 0.5rem;
}

.control-sidebar__title {
  display: none;
}

.control-nav {
  gap: 0.14rem;
}

.control-nav__link {
  min-height: 2.3rem;
  padding: 0.3rem 0.62rem;
  font-size: 0.88rem;
  z-index: 1;
}

#control-layout .control-nav {
  gap: 0.06rem;
  padding-top: 0.6rem;
}

#control-layout .control-nav__link {
  min-height: 2.12rem;
  gap: 0.52rem;
  padding: 0.24rem 0.5rem;
  border-radius: 10px;
  font-size: 0.84rem;
}

#control-layout .control-nav__icon {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 9px;
}

#control-layout .control-nav__icon svg {
  width: 1rem;
  height: 1rem;
}

#control-layout .control-nav__label {
  font-size: 0.84rem;
}

.control-nav__link.is-active {
  background: linear-gradient(135deg, rgba(117, 92, 255, 0.34), rgba(117, 92, 255, 0.18));
  box-shadow: none;
}

.control-nav__icon {
  background: transparent;
}

.control-main {
  padding: 0 0 2rem;
}

.dashboard-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.45rem;
}

.dashboard-hero .page-title {
  margin-bottom: 0.55rem;
}

.dashboard-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dashboard-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.dashboard-kpi {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 8rem;
  padding: 1.25rem;
}

.dashboard-kpi::after {
  display: none;
}

.dashboard-kpi__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 14px;
  color: var(--kpi-color);
  background: color-mix(in srgb, var(--kpi-color) 14%, transparent);
}

.dashboard-kpi__icon svg {
  width: 1.45rem;
  height: 1.45rem;
}

.dashboard-kpi__title {
  margin: 0 0 0.35rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.dashboard-kpi__value {
  margin: 0;
  color: var(--color-text);
  font-size: 1.48rem;
  line-height: 1.15;
  font-weight: 500;
}

.dashboard-kpi__meta {
  margin: 0.45rem 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.dashboard-kpi__meta span {
  color: #16a96d;
  font-weight: 500;
}

.dashboard-kpi--violet {
  --kpi-color: #7b61ff;
}

.dashboard-kpi--blue {
  --kpi-color: #2f80ed;
}

.dashboard-kpi--green {
  --kpi-color: #20b486;
}

.dashboard-kpi--orange {
  --kpi-color: #ff8a1f;
}

.dashboard-board {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 1fr);
  gap: 1rem;
}

.dashboard-chart {
  min-height: 22rem;
}

.dashboard-orders {
  min-height: 22rem;
}

.dashboard-courses-widget,
.dashboard-activity,
.dashboard-reviews {
  min-height: 18rem;
}

.dashboard-widget-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.dashboard-widget-head .card__title {
  margin: 0;
}

.dashboard-widget-link {
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 500;
}

.chart-placeholder {
  position: relative;
  height: 17rem;
  margin-top: 0.5rem;
  color: var(--color-accent);
  border-radius: 14px;
  background:
    repeating-linear-gradient(to bottom, transparent 0, transparent 51px, color-mix(in srgb, var(--color-border) 72%, transparent) 52px),
    linear-gradient(180deg, transparent, color-mix(in srgb, var(--color-accent) 4%, transparent));
  overflow: hidden;
}

.chart-placeholder svg {
  position: absolute;
  inset: 1rem 1rem 0.75rem;
  width: calc(100% - 2rem);
  height: calc(100% - 1.75rem);
}

.chart-placeholder__line {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.chart-placeholder__fill {
  fill: url(#revenueFill);
}

.dashboard-list {
  display: grid;
  gap: 0.95rem;
}

.dashboard-order {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.84rem;
}

.avatar-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(135deg, #283956, #8c73ff);
  font-size: 0.7rem;
  font-weight: 500;
}

.dashboard-order strong,
.review-placeholder strong {
  display: block;
  font-weight: 500;
}

.dashboard-order small {
  display: block;
  color: var(--color-muted);
}

.dashboard-order b {
  font-weight: 500;
  white-space: nowrap;
}

.dashboard-order em {
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  color: #0a8a55;
  background: rgba(32, 180, 134, 0.14);
  font-size: 0.76rem;
  font-style: normal;
}

.dashboard-order em.is-waiting {
  color: #c46b16;
  background: rgba(255, 138, 31, 0.14);
}

.dashboard-progress-list {
  display: grid;
  gap: 1.05rem;
}

.dashboard-progress-list div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 35% auto;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.84rem;
}

.dashboard-progress-list i {
  display: block;
  height: 0.38rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-border) 55%, transparent);
  overflow: hidden;
}

.dashboard-progress-list u {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--color-accent);
  text-decoration: none;
}

.dashboard-progress-list small {
  color: var(--color-muted);
}

.dashboard-activity {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 1rem;
}

.dashboard-activity .card__title {
  grid-column: 1 / -1;
}

.donut-placeholder {
  display: grid;
  place-items: center;
  width: min(11rem, 100%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(#7b61ff 0 34%, #2f80ed 34% 58%, #20b486 58% 82%, #f2c94c 82% 100%);
  position: relative;
}

.donut-placeholder::after {
  content: "";
  position: absolute;
  inset: 1.35rem;
  border-radius: inherit;
  background: var(--color-surface);
}

.donut-placeholder span,
.donut-placeholder small {
  position: relative;
  z-index: 1;
}

.donut-placeholder span {
  align-self: end;
  font-size: 1.8rem;
  font-weight: 600;
}

.donut-placeholder small {
  align-self: start;
  color: var(--color-muted);
}

.dashboard-legend {
  display: grid;
  gap: 0.65rem;
  color: var(--color-muted);
  font-size: 0.83rem;
}

.dashboard-legend i {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  margin-right: 0.45rem;
  border-radius: 50%;
}

.dashboard-legend .is-green {
  background: #20b486;
}

.dashboard-legend .is-violet {
  background: #7b61ff;
}

.dashboard-legend .is-blue {
  background: #2f80ed;
}

.dashboard-legend .is-yellow {
  background: #f2c94c;
}

.review-placeholder {
  padding: 0.75rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
}

.review-placeholder:last-child {
  border-bottom: 0;
}

.review-placeholder span {
  display: block;
  margin: 0.25rem 0;
  color: #ffb020;
  letter-spacing: 1px;
}

.review-placeholder p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

@media (max-width: 1180px) {
  .dashboard-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  body:has(.control-layout-wrapper) .site-header,
  body:has(.control-layout-wrapper.is-sidebar-collapsed) .site-header,
  body:has(.control-layout-wrapper) .site-footer,
  body:has(.control-layout-wrapper.is-sidebar-collapsed) .site-footer {
    width: auto;
    margin-left: 0;
  }

  body:has(.control-layout-wrapper) .main.container,
  body:has(.control-layout-wrapper.is-sidebar-collapsed) .main.container {
    padding-left: var(--shell-page-gutter);
    padding-right: var(--shell-page-gutter);
  }

  .control-sidebar,
  #student-layout .control-sidebar {
    position: static;
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
    border-radius: var(--radius);
    overflow: hidden;
  }

  .control-sidebar-brand {
    margin-bottom: 0.75rem;
  }

  .control-sidebar__head {
    display: none;
  }

  .dashboard-hero {
    display: block;
  }

  .dashboard-actions {
    margin-top: 1rem;
  }
}

@media (max-width: 680px) {
  .dashboard-kpis {
    grid-template-columns: 1fr;
  }

  .dashboard-kpi,
  .dashboard-order,
  .dashboard-progress-list div,
  .dashboard-activity {
    grid-template-columns: 1fr;
  }

  .dashboard-order {
    align-items: start;
  }

  .dashboard-actions .btn {
    width: 100%;
  }
}

/* Страница «Контакты» — в конце файла, чтобы не перебивалось блоком .table / .control-main */
#control-layout .control-main .contact-page {
  --contact-inner-pad: clamp(1rem, 1.5vw, 1.5rem);
  padding-left: var(--shell-page-gutter, clamp(1rem, 1.6vw, 1.5rem));
  padding-right: var(--shell-page-gutter-right, clamp(1rem, 1.6vw, 1.5rem));
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

#control-layout .contact-page-head {
  margin-bottom: var(--space-2);
  gap: 1rem;
}

#control-layout .contact-page-head .contact-page-actions {
  margin: 0;
}

#control-layout .contact-page-size {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

#control-layout .contact-page-size__label {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-muted);
  white-space: nowrap;
}

#control-layout .contact-page-size__switch {
  margin: 0;
  gap: 0.35rem;
}

#control-layout .contact-page-size__switch .contact-page-size__btn {
  min-width: 2.65rem;
  justify-content: center;
  border-radius: 999px;
}

#control-layout .contact-page-size__switch .contact-page-size__btn.is-active {
  background: var(--color-accent);
  color: var(--color-on-accent);
  border-color: transparent;
}

#control-layout .contact-list-card .table--contacts .ui-check {
  margin: 0 auto;
}

#control-layout .contact-list-card .table__th--check,
#control-layout .contact-list-card .table--contacts td:first-child {
  text-align: center;
  vertical-align: middle;
}

#control-layout .contact-list-card.contact-list-card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

#control-layout .contact-list-card .contact-list-search-block {
  margin: 0;
  padding: var(--contact-inner-pad, clamp(1rem, 1.5vw, 1.5rem));
  border-bottom: 1px solid var(--color-border);
  box-sizing: border-box;
}

#control-layout .contact-list-card .contact-bulk-form__bar {
  margin: 0;
  padding: 1rem var(--contact-inner-pad, clamp(1rem, 1.5vw, 1.5rem));
  border-bottom: 1px solid var(--color-border);
  box-sizing: border-box;
}

#control-layout .contact-list-card .table--contacts th:first-child,
#control-layout .contact-list-card .table--contacts td:first-child {
  padding-left: var(--contact-inner-pad, clamp(1rem, 1.5vw, 1.5rem));
}

#control-layout .contact-list-card .table--contacts th:last-child,
#control-layout .contact-list-card .table--contacts td:last-child {
  padding-right: var(--contact-inner-pad, clamp(1rem, 1.5vw, 1.5rem));
}

@media (max-width: 768px) {
  #control-layout .contact-page-head {
    flex-direction: column;
    align-items: stretch;
  }

  #control-layout .contact-page-size {
    justify-content: space-between;
  }
}

@media (max-width: 640px) {
  #control-layout .control-main .contact-page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #control-layout .contact-list-card .contact-list-search-block,
  #control-layout .contact-list-card .contact-bulk-form__bar {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #control-layout .contact-list-card .table--contacts th:first-child,
  #control-layout .contact-list-card .table--contacts td:first-child {
    padding-left: 1rem;
  }

  #control-layout .contact-list-card .table--contacts th:last-child,
  #control-layout .contact-list-card .table--contacts td:last-child {
    padding-right: 1rem;
  }
}

/* ——— Публичный сайт: главная (только .public-* / body.public-site) ——— */
body.public-site {
  background: var(--color-bg);
}

body.public-site .public-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

body.public-site .public-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.85rem clamp(1rem, 3vw, 1.5rem);
}

body.public-site .public-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

body.public-site .public-header__brand:hover {
  color: var(--color-accent);
}

body.public-site .public-header__logo {
  border-radius: 8px;
}

body.public-site .public-header__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.1rem;
}

body.public-site .public-header__link {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}

body.public-site .public-header__link:hover {
  color: var(--color-text);
}

body.public-site .public-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

body.public-site .public-main {
  flex: 1 1 auto;
}

body.public-site .public-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

body.public-site .public-footer__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 1.5rem);
}

body.public-site .public-footer__copy {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

body.public-site .public-footer__note {
  margin: 0;
  font-size: 0.82rem;
}

.public-home .public-section {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.public-home .public-section--alt {
  background: color-mix(in srgb, var(--color-surface) 55%, transparent);
}

.public-home .public-section__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem);
}

.public-home .public-hero {
  padding-top: clamp(3rem, 8vw, 5rem);
  padding-bottom: clamp(2.5rem, 6vw, 3.5rem);
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 20%, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent 50%);
}

.public-home .public-hero__eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.public-home .public-hero__title {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  line-height: 1.15;
  font-weight: 700;
}

.public-home .public-hero__lead {
  margin: 0 0 1.5rem;
  max-width: 42rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-muted);
  line-height: 1.6;
}

.public-home .public-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.public-home .public-section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.public-home .public-section__intro {
  margin: 0 0 1.5rem;
  max-width: 40rem;
}

.public-home .public-section__text {
  margin: 0 0 1.25rem;
  max-width: 44rem;
  color: var(--color-muted);
  line-height: 1.65;
}

.public-home .public-grid {
  display: grid;
  gap: 1.25rem;
}

.public-home .public-grid--courses {
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
}

.public-home .public-grid--articles {
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}

.public-home .public-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow);
}

.public-home .public-card--highlight {
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--color-surface) 90%, var(--color-accent) 10%),
    var(--color-surface)
  );
}

.public-home .public-card__badge {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 0.75rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 28%, transparent);
}

.public-home .public-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

.public-home .public-card__text {
  margin: 0 0 1rem;
  flex: 1 1 auto;
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.public-home .public-card__date {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}

.public-home .public-card__btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (max-width: 768px) {
  body.public-site .public-header__inner {
    flex-direction: column;
    align-items: stretch;
  }

  body.public-site .public-header__nav {
    justify-content: center;
  }

  body.public-site .public-header__actions {
    justify-content: space-between;
  }

  body.public-site .public-header__login {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* Конструктор главной в панели /control/pages/home/ */
.home-builder-page .page-title {
  margin-bottom: var(--space-2);
}

.home-builder-page .home-block-list {
  margin-top: var(--space-2);
}

.home-builder-page .home-block-form {
  max-width: 40rem;
}

.home-builder-page .home-block-card {
  max-width: 36rem;
}

.home-builder-page .badge {
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
}

.public-home .public-block__image-wrap {
  margin-top: 1.25rem;
}

.public-home .public-block__image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}