*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --bg: #0A0A0B;
    --bg2: #131316;
    --bg3: #1C1C21;
    --bg4: #26262D;
    --border: rgba(255,255,255,0.06);
    --border2: rgba(255,255,255,0.12);
    --text: #F5F5F7;
    --text2: #8A8A95;
    --text3: #55555F;
    --accent: #FF6B2C;
    --accent-hover: #FF854D;
    --accent-dim: rgba(255,107,44,0.12);
    --accent-border: rgba(255,107,44,0.3);
    --green: #3DD68C;
    --green-dim: rgba(61,214,140,0.12);
    --red: #FF5B5B;
    --yellow: #F5B82E;
    --yellow-dim: rgba(245,184,46,0.12);
  }
  html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  #root { min-height: 100vh; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
  input, textarea, select { font-family: inherit; }
  a { color: inherit; text-decoration: none; }

  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 10px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

  /* ===== AUTH ===== */
  .auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(ellipse 800px 600px at 50% 0%, rgba(255,107,44,0.08), transparent 70%),
      radial-gradient(ellipse 600px 400px at 20% 100%, rgba(255,107,44,0.04), transparent 70%),
      var(--bg);
  }
  .auth-wrap::before {
    content: ''; position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  }
  .auth-card {
    background: rgba(19,19,22,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border2);
    border-radius: 24px;
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  }
  .auth-logo-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 2rem;
  }
  .logo-text-wrap { display: flex; flex-direction: column; line-height: 1; }
  .logo-text-sm { font-size: 10px; font-weight: 700; color: var(--text3); letter-spacing: 2px; margin-bottom: 4px; }
  .logo-text-lg { font-size: 18px; font-weight: 900; letter-spacing: 0.5px; }
  .logo-text-lg span { color: var(--accent); }

  .auth-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.6px;
    margin-bottom: 0.5rem;
    line-height: 1.2;
  }
  .auth-sub {
    color: var(--text2);
    font-size: 14px;
    margin-bottom: 2rem;
    line-height: 1.55;
  }

  .auth-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
  }
  .auth-note-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--accent);
    margin-top: 1px;
  }
  .auth-note-text { font-size: 12px; color: var(--text2); line-height: 1.5; }

  .auth-features {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
  }
  .auth-feat { text-align: center; flex: 1; }
  .auth-feat-num { font-size: 20px; font-weight: 800; color: var(--accent); letter-spacing: -0.3px; }
  .auth-feat-label { font-size: 10px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 700; margin-top: 2px; }

  .auth-field { margin-bottom: 0.85rem; }
  .auth-field-label { font-size: 12px; color: var(--text3); margin-bottom: 6px; font-weight: 600; }
  .auth-input {
    width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border2);
    border-radius: 12px; padding: 0.85rem 1rem; font-size: 14px; color: var(--text);
    outline: none; transition: border-color 0.2s; font-family: inherit; box-sizing: border-box;
  }
  .auth-input:focus { border-color: var(--accent); }
  .auth-input::placeholder { color: var(--text3); }
  .auth-btn-primary {
    width: 100%; background: var(--accent); color: white; border: none; border-radius: 14px;
    padding: 0.9rem 1.25rem; font-size: 15px; font-weight: 700; cursor: pointer;
    transition: all 0.2s; box-shadow: 0 8px 24px rgba(255,107,44,0.25);
  }
  .auth-btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
  .auth-btn-primary:disabled { opacity: 0.6; cursor: default; transform: none; }
  .auth-link-btn { background: none; border: none; color: var(--text2); font-size: 13px; cursor: pointer; padding: 0; font-family: inherit; }
  .auth-link-btn:hover { color: var(--accent); }
  .auth-row-between { display: flex; justify-content: space-between; align-items: center; margin-top: 0.9rem; }

  /* ===== APP LAYOUT ===== */
  .app {
    display: flex;
    min-height: 100vh;
    background: var(--bg);
  }

  /* ===== SIDEBAR ===== */
  .sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
  }
  .sidebar-head {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .sidebar-logo-name {
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.3px;
    line-height: 1.1;
  }
  .sidebar-logo-name span { color: var(--accent); }
  .sidebar-logo-sub { font-size: 9px; color: var(--text3); letter-spacing: 1.5px; font-weight: 700; }

  .sidebar-nav { flex: 1; padding: 1rem 0.75rem; overflow-y: auto; }
  .sidebar-section-title {
    font-size: 10px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 0.75rem 0.75rem 0.5rem;
  }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
    font-weight: 600;
    color: var(--text2);
    margin-bottom: 2px;
    width: 100%;
    text-align: left;
    position: relative;
  }
  .nav-item:hover { background: var(--bg3); color: var(--text); }
  .nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
  }
  .nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
  }
  .nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
  .nav-item .nav-badge {
    margin-left: auto;
    background: var(--bg4);
    color: var(--text2);
    font-size: 10px;
    font-weight: 800;
    border-radius: 6px;
    padding: 2px 7px;
  }
  .nav-item.active .nav-badge { background: var(--accent); color: white; }

  .sidebar-user {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #FF9960);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
    overflow: hidden;
  }
  .user-info { flex: 1; min-width: 0; }
  .user-name { font-size: 13px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .user-role { font-size: 11px; color: var(--text3); font-weight: 600; }
  .logout-btn {
    color: var(--text3);
    padding: 6px;
    border-radius: 8px;
    transition: all 0.15s;
  }
  .logout-btn:hover { color: var(--red); background: rgba(255,91,91,0.1); }
  .logout-btn svg { width: 16px; height: 16px; display: block; }

  /* ===== MAIN ===== */
  .main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--bg);
  }
  .topbar {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-shrink: 0;
    background: rgba(10,10,11,0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .topbar-left { min-width: 0; }
  .topbar-title {
    font-size: 30px;
    font-weight: 900;
    letter-spacing: -0.8px;
    line-height: 1.15;
  }
  .topbar-sub { font-size: 14px; color: var(--text2); margin-top: 4px; font-weight: 500; }

  .icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--bg3);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    position: relative;
  }
  .icon-btn:hover { background: var(--bg4); border-color: var(--border2); }
  .icon-btn svg { width: 16px; height: 16px; color: var(--text); }

  .content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    max-width: 100%;
  }
  .content-wide { max-width: 1400px; margin: 0 auto; }

  /* ===== DASHBOARD ===== */
  .hero-card {
    background:
      radial-gradient(ellipse 600px 300px at 100% 0%, rgba(255,107,44,0.18), transparent 60%),
      linear-gradient(135deg, var(--bg2), var(--bg3));
    border: 1px solid var(--border2);
    border-radius: 20px;
    padding: 2rem 2.25rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
  }
  .hero-greeting { font-size: 13px; color: var(--text2); font-weight: 600; margin-bottom: 6px; }
  .hero-title { font-size: 28px; font-weight: 900; letter-spacing: -0.7px; margin-bottom: 0.75rem; line-height: 1.15; }
  .hero-title span { color: var(--accent); }
  .hero-desc { font-size: 14px; color: var(--text2); max-width: 520px; margin-bottom: 1.5rem; line-height: 1.6; }
  .hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: white;
    font-size: 13px;
    font-weight: 700;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    transition: all 0.15s;
  }
  .hero-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }
  .hero-cta svg { width: 14px; height: 14px; }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
  }
  .stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem 1.4rem;
    transition: all 0.15s;
  }
  .stat-card:hover { border-color: var(--border2); }
  .stat-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
  .stat-label { font-size: 11px; font-weight: 800; color: var(--text3); text-transform: uppercase; letter-spacing: 0.8px; }
  .stat-icon-box { width: 32px; height: 32px; border-radius: 9px; display: flex; align-items: center; justify-content: center; }
  .stat-icon-box svg { width: 16px; height: 16px; }
  .stat-icon-orange { background: var(--accent-dim); color: var(--accent); }
  .stat-icon-green { background: var(--green-dim); color: var(--green); }
  .stat-icon-blue { background: rgba(91,140,255,0.12); color: #5B8CFF; }
  .stat-icon-yellow { background: var(--yellow-dim); color: var(--yellow); }
  .stat-value { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; line-height: 1.1; }
  .stat-trend { font-size: 11px; color: var(--green); font-weight: 700; margin-top: 4px; display: flex; align-items: center; gap: 4px; }
  .stat-trend svg { width: 11px; height: 11px; }

  .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
  }
  .section-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.3px;
  }
  .section-link {
    font-size: 12px;
    color: var(--text2);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s;
  }
  .section-link:hover { color: var(--accent); }
  .section-link svg { width: 13px; height: 13px; }

  /* ===== MODULE CARDS ===== */
  .modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
  }
  .module-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    overflow: hidden;
  }
  .module-card:hover {
    border-color: var(--accent-border);
    background: var(--bg3);
    transform: translateY(-2px);
  }
  .module-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 0%, rgba(255,107,44,0.08), transparent 50%);
    opacity: 0;
    transition: opacity 0.2s;
  }
  .module-card:hover::before { opacity: 1; }
  /* ===== Карточка раздела в стиле референса: фон-картинка + текст поверх ===== */
  .module-card-cover {
    position: relative;
    padding: 0;
    aspect-ratio: 1 / 1;             /* квадратная как на референсе */
    min-height: 180px;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border2);
  }
  .module-card-cover::before { display: none; }   /* отключаем старый градиент-ховер */
  .module-card-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
  }
  .module-card-cover:hover .module-card-bg { transform: scale(1.06); }
  .module-card-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.35) 45%, rgba(0,0,0,0.05) 75%, transparent 100%);
  }
  .module-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    min-width: 30px;
    height: 30px;
    padding: 0 9px;
    border-radius: 16px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.35);
    z-index: 2;
  }
  .module-card-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 16px 18px;
    z-index: 2;
  }
  .module-card-title {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.4px;
    line-height: 1.12;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.6);
    text-transform: uppercase;
  }
  .module-card-sub {
    font-size: 12px;
    font-weight: 600;
    color: rgba(255,255,255,0.82);
    margin-top: 6px;
    text-shadow: 0 1px 6px rgba(0,0,0,0.6);
  }
  .module-card-bar {
    height: 4px;
    border-radius: 4px;
    background: rgba(255,255,255,0.25);
    margin-top: 8px;
    overflow: hidden;
  }
  .module-card-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
    transition: width 0.3s ease;
  }
  .module-card-cover.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-border); }
  @media (max-width: 640px) {
    .module-card-cover { min-height: 150px; }
    .module-card-title { font-size: 16px; }
  }
  /* Большая шапка-баннер открытого раздела */
  .section-cover {
    position: relative;
    width: 100%;
    border-radius: 18px;
    overflow: hidden;
    margin: 0.5rem 0 1rem;
    background: var(--bg3);
    aspect-ratio: 4.8 / 1;
    min-height: 130px;
  }
  .section-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .section-cover-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(90deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.15) 60%, transparent 100%);
  }
  .section-cover-title { font-size: 26px; font-weight: 900; letter-spacing: -0.6px; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,0.5); line-height: 1.1; }
  .section-cover-sub { font-size: 14px; font-weight: 600; color: rgba(255,255,255,0.85); margin-top: 6px; text-shadow: 0 1px 8px rgba(0,0,0,0.5); }
  @media (max-width: 640px) {
    .section-cover { aspect-ratio: 3 / 1; min-height: 100px; }
    .section-cover-title { font-size: 18px; }
    .section-cover-sub { font-size: 12px; }
  }
  .module-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
  }
  .module-icon svg { width: 20px; height: 20px; }
  .module-name { font-size: 14px; font-weight: 800; margin-bottom: 4px; position: relative; z-index: 1; letter-spacing: -0.2px; }
  .module-count { font-size: 12px; color: var(--text2); font-weight: 600; position: relative; z-index: 1; }
  .module-progress-bar {
    margin-top: 0.85rem;
    height: 3px;
    background: var(--bg4);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    z-index: 1;
  }
  .module-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s;
  }

  /* ===== Недоступные разделы/уроки (тег/подписка) — блюр + замочек вместо того,
     чтобы просто прятать карточку, см. ModuleCard/LessonCard ===== */
  .module-card.locked,
  .lesson-card.locked {
    cursor: default;
  }
  .module-card.locked:hover,
  .lesson-card.locked:hover {
    transform: none;
  }
  .module-card-cover.locked .module-card-bg {
    filter: blur(7px) saturate(0.7);
    transform: scale(1.08); /* прячет размытый край картинки за рамкой карточки */
  }
  .module-card.locked .module-icon,
  .module-card.locked .module-name {
    filter: blur(3px);
    opacity: 0.6;
  }
  .module-card-lock {
    position: absolute;
    top: 12px; right: 12px;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(0,0,0,0.55);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    z-index: 2;
    backdrop-filter: blur(2px);
  }
  .module-card-lock-flat {
    position: absolute;
    top: 12px; right: 12px;
    background: var(--bg3);
    border: 1px solid var(--border);
    width: 30px; height: 30px;
    border-radius: 50%;
    font-size: 14px;
  }
  .lesson-card.locked .lesson-thumb img {
    filter: blur(5px) saturate(0.7);
  }
  .lesson-card.locked .lesson-title {
    opacity: 0.75;
  }

  /* ===== LESSON LIST ===== */
  .lessons-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
  }
  .lesson-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.15s;
  }
  .lesson-card:hover {
    border-color: var(--border2);
    background: var(--bg3);
    transform: translateX(4px);
  }
  .lesson-thumb {
    width: 80px;
    height: 52px;
    border-radius: 9px;
    background: linear-gradient(135deg, #2a1a10, #1a0f05);
    border: 1px solid var(--border);
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  .lesson-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 9px;
  }
  .lesson-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 40%, rgba(255,107,44,0.2), transparent 60%);
    z-index: 1;
  }
  .lesson-thumb svg {
    width: 18px;
    height: 18px;
    color: rgba(255,255,255,0.85);
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  }
  .lesson-thumb-duration {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0,0,0,0.75);
    color: white;
    font-size: 9px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    z-index: 1;
  }
  .lesson-info { flex: 1; min-width: 0; }
  .lesson-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.2px;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .lesson-meta {
    font-size: 12px;
    color: var(--text2);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .lesson-meta-dot { color: var(--text3); }
  .lesson-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    padding: 5px 10px;
    border-radius: 7px;
    flex-shrink: 0;
  }
  .lesson-status svg { width: 11px; height: 11px; }
  .lesson-status.done { background: var(--green-dim); color: var(--green); }
  .lesson-status.new { background: var(--accent-dim); color: var(--accent); }

  /* ===== LESSON PLAYER PAGE ===== */
  .player-wrap { max-width: 980px; margin: 0 auto; }
  .back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text2);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 1.5rem;
    transition: color 0.15s;
    padding: 0.4rem 0;
  }
  .back-btn:hover { color: var(--text); }
  .back-btn svg { width: 15px; height: 15px; }

  .video-container {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 16/9;
    position: relative;
    margin-bottom: 1.5rem;
  }
  .video-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background:
      radial-gradient(ellipse at center, rgba(255,107,44,0.15), transparent 60%),
      linear-gradient(135deg, #1a0f08, #0a0605);
  }
  .video-play-btn {
    width: 76px;
    height: 76px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 12px 40px rgba(255,107,44,0.4);
  }
  .video-play-btn:hover { transform: scale(1.08); }
  .video-play-btn svg { width: 28px; height: 28px; fill: white; margin-left: 4px; }
  .video-placeholder-label {
    font-size: 13px;
    color: var(--text2);
    font-weight: 600;
    padding: 6px 14px;
    background: rgba(0,0,0,0.5);
    border-radius: 20px;
    border: 1px solid var(--border2);
  }

  .player-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
  }
  .player-title-block { flex: 1; min-width: 0; }
  .player-title { font-size: 26px; font-weight: 900; letter-spacing: -0.6px; line-height: 1.2; margin-bottom: 10px; }
  .player-meta-row { display: flex; gap: 16px; font-size: 13px; color: var(--text2); font-weight: 500; }
  .player-meta-item { display: flex; align-items: center; gap: 6px; }
  .player-meta-item svg { width: 14px; height: 14px; }

  .player-actions { display: flex; gap: 10px; flex-shrink: 0; }
  .btn-primary {
    background: var(--accent);
    color: white;
    border-radius: 11px;
    padding: 0.75rem 1.25rem;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
  }
  .btn-primary:hover { background: var(--accent-hover); }
  .btn-primary.done { background: var(--green-dim); color: var(--green); }
  .btn-primary svg { width: 14px; height: 14px; }
  .btn-secondary {
    background: var(--bg3);
    border: 1px solid var(--border2);
    color: var(--text);
    border-radius: 11px;
    padding: 0.75rem 1rem;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
  }
  .btn-secondary:hover { background: var(--bg4); }
  .btn-secondary svg { width: 14px; height: 14px; }

  .player-section {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
  }
  .player-section-title {
    font-size: 13px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 1rem;
  }
  .lesson-content-html { font-size: 14px; color: var(--text2); line-height: 1.8; }
  .lesson-content-html strong { color: var(--text); }
  .lesson-content-html br { display: block; content: ''; margin-bottom: 4px; }
  .lesson-content-html a { color: var(--accent); text-decoration: none; }
  .lesson-content-html a:hover { text-decoration: underline; }



  .lesson-nav {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
  }
  .lesson-nav-btn {
    flex: 1;
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.18s ease;
    text-align: left;
    color: var(--text);
  }
  .lesson-nav-btn:hover {
    border-color: var(--accent);
    background: var(--bg3);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.3);
  }
  .lesson-nav-btn svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
  .lesson-nav-info { min-width: 0; flex: 1; }
  .lesson-nav-label { font-size: 10px; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
  .lesson-nav-title { font-size: 14px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .lesson-nav-btn.next { flex-direction: row-reverse; text-align: right; }

  /* ===== STUDENTS GRID ===== */
  .students-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
  }
  .student-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem 1.25rem 1.25rem;
    cursor: pointer;
    transition: all 0.18s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
    position: relative;
  }
  .student-card:hover {
    border-color: var(--accent-border);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    background: var(--bg3);
  }
  .student-role-badges {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 14px;
    min-height: 20px;
  }
  .student-role-tag {
    display: inline-block;
    font-size: 9px;
    font-weight: 800;
    color: var(--text2);
    background: var(--bg4);
    padding: 3px 8px;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
  }
  .student-role-tag.seller  { color: var(--accent); background: var(--accent-dim); }
  .student-role-tag.manager { color: #64b5f6; background: rgba(100,181,246,0.12); }
  .student-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a1a10, var(--bg4));
    border: 2px solid var(--border2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 800;
    color: var(--accent);
    flex-shrink: 0;
    margin-bottom: 12px;
    object-fit: cover;
  }
  .student-name {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: -0.3px;
    margin-bottom: 4px;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .student-revenue {
    font-size: 18px;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: -0.5px;
    margin-bottom: 6px;
  }
  .student-city {
    font-size: 12px;
    color: var(--text2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 14px;
  }
  .student-city svg { width: 11px; height: 11px; flex-shrink: 0; }
  .student-btns {
    display: flex;
    flex-direction: column;
    gap: 7px;
    width: 100%;
    margin-top: auto;
  }
  .student-btn-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    padding: 9px;
    font-size: 12px;
    font-weight: 700;
    color: white;
    cursor: pointer;
    transition: opacity 0.15s;
    text-decoration: none;
  }
  .student-btn-profile:hover { opacity: 0.85; }
  .student-tg-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 9px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
  }
  .student-tg-btn:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: white; }
  .student-tg-btn:disabled { opacity: 0.4; cursor: default; }
  .student-tg-btn svg, .student-btn-profile svg { width: 13px; height: 13px; }

  /* ===== CONTRACTORS ===== */
  .contractors-categories {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
  }
  .cat-chip {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 0.55rem 0.95rem;
    font-size: 12px;
    font-weight: 700;
    color: var(--text2);
    cursor: pointer;
    transition: all 0.15s;
  }
  .cat-chip:hover { border-color: var(--border2); color: var(--text); }
  .cat-chip.active { background: var(--accent-dim); border-color: var(--accent-border); color: var(--accent); }

  .contractors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 1.25rem;
  }
  .contractor-card {
    background: linear-gradient(180deg, var(--bg2) 0%, rgba(255,255,255,0.02) 100%);
    border: 1.5px solid var(--border2);
    border-radius: 18px;
    padding: 1.5rem;
    transition: all 0.2s ease;
    min-width: 0;
    overflow: hidden;
    word-break: break-word;
  }
  .contractor-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(232,78,27,0.18), 0 4px 12px rgba(0,0,0,0.4);
  }
  .contractor-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.85rem;
    gap: 10px;
  }
  .contractor-name-block { flex: 1; min-width: 0; }
  .contractor-name { font-size: 18px; font-weight: 800; letter-spacing: -0.4px; margin-bottom: 6px; color: var(--text); }
  .contractor-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 800;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
  }
  .contractor-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 800;
    color: var(--yellow);
    flex-shrink: 0;
  }
  .contractor-rating svg { width: 13px; height: 13px; fill: var(--yellow); }
  .contractor-desc { font-size: 13.5px; color: var(--text2); line-height: 1.6; margin-bottom: 1rem; font-weight: 500; }
  .contractor-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text);
    background: var(--bg3);
    padding: 0.55rem 0.85rem;
    border-radius: 9px;
    margin-bottom: 0.85rem;
    font-weight: 600;
  }
  .contractor-contact svg { width: 13px; height: 13px; color: var(--text3); flex-shrink: 0; }
  .contractor-promo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--accent-dim), rgba(255,107,44,0.04));
    border: 1px dashed var(--accent-border);
    border-radius: 10px;
    padding: 0.7rem 1rem;
  }
  .contractor-promo-left { display: flex; flex-direction: column; gap: 2px; }
  .contractor-promo-label { font-size: 9px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: 0.8px; }
  .contractor-promo-code { font-size: 14px; font-weight: 800; color: var(--text); letter-spacing: 0.3px; font-family: 'JetBrains Mono', monospace; }
  .contractor-promo-btn {
    background: var(--accent);
    color: white;
    padding: 6px 12px;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 800;
    transition: all 0.15s;
  }
  .contractor-promo-btn:hover { background: var(--accent-hover); }

  /* contractor card redesign */
  .contractor-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .contractor-card:hover { border-color: var(--accent-border); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
  .contractor-head { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
  .contractor-avatar {
    width: 52px; height: 52px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--accent), #ff8f50);
    color: white;
    font-size: 17px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: -0.5px;
    overflow: hidden;
    position: relative;
  }
  .contractor-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
  }
  .contractor-name-block { flex: 1; min-width: 0; }
  .contractor-name { font-size: 14px; font-weight: 800; letter-spacing: -0.2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
  .contractor-category { display: inline-block; }
  .contractor-desc {
    font-size: 12px;
    color: var(--text2);
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }
  .contractor-footer {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    margin-top: auto;
  }
  .contractor-rating { display: flex; align-items: center; gap: 3px; font-size: 12px; font-weight: 800; color: var(--yellow); }
  .contractor-rating svg { width: 12px; height: 12px; fill: var(--yellow); flex-shrink: 0; }
  .contractor-rating-count { font-size: 10px; color: var(--text3); font-weight: 400; }
  .contractor-promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 9px;
    font-weight: 800;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }
  .contractor-open-hint { margin-left: auto; font-size: 11px; color: var(--text3); font-weight: 600; white-space: nowrap; }

  /* contractor modal */
  .contractor-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.65); z-index: 200;
    display: flex; align-items: center; justify-content: center; padding: 1rem;
    animation: fadeIn 0.15s ease;
  }
  .contractor-modal {
    background: var(--bg2); border: 1px solid var(--border2);
    border-radius: 20px; padding: 2rem; max-width: 520px; width: 100%;
    max-height: 90vh; overflow-y: auto;
    animation: slideUp 0.2s ease;
  }
  .contractor-modal-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.25rem; gap: 12px; }
  .contractor-modal-title { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text); }
  .contractor-modal-close { background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px; color: var(--text2); cursor: pointer; font-size: 16px; flex-shrink: 0; }
  .contractor-modal-close:hover { background: var(--bg-hover); color: var(--text); }
  .contractor-modal-section { margin-bottom: 1.25rem; }
  .contractor-modal-label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-dim); margin-bottom: 6px; }
  .contractor-modal-text { font-size: 15px; color: var(--text2); line-height: 1.65; white-space: pre-wrap; }
  .contractor-modal-rating-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
  .contractor-modal-avg { font-size: 28px; font-weight: 900; color: var(--yellow); letter-spacing: -1px; }
  .contractor-modal-cnt { font-size: 13px; color: var(--text-dim); }
  .contractor-modal-my-label { font-size: 13px; color: var(--text2); margin-top: 10px; margin-bottom: 6px; }
  .contractor-modal-stars { display: flex; gap: 4px; }
  .contractor-modal-star { background: none; border: none; cursor: pointer; font-size: 28px; color: var(--border2); transition: color 0.1s; padding: 2px; }
  .contractor-modal-star.filled { color: var(--yellow); }
  .contractor-modal-star:hover { color: var(--yellow); }

  /* ===== PROFILE PAGE ===== */
  .profile-wrap { max-width: 980px; margin: 0 auto; }
  .profile-header {
    background: linear-gradient(135deg, var(--bg2), var(--bg3));
    border: 1px solid var(--border2);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
  }
  .profile-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,107,44,0.1), transparent 70%);
    pointer-events: none;
  }
  .profile-avatar-lg {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--accent), #FF9960);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 800;
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }
  .profile-info { flex: 1; min-width: 0; position: relative; z-index: 1; }
  .profile-name { font-size: 24px; font-weight: 900; letter-spacing: -0.5px; margin-bottom: 4px; }
  .profile-handle { font-size: 13px; color: var(--text2); font-weight: 600; margin-bottom: 10px; }
  .profile-badges { display: flex; gap: 8px; flex-wrap: wrap; }
  .profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 9px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }
  .profile-badge.primary { background: var(--accent-dim); color: var(--accent); }
  .profile-badge.green { background: var(--green-dim); color: var(--green); }
  .profile-badge svg { width: 11px; height: 11px; }

  .profile-input {
    width: 100%;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.15s;
  }
  .profile-input:focus { outline: none; border-color: var(--accent); }
  .profile-input option { background: var(--bg2); }

  .profile-edit-btn {
    background: var(--bg3);
    border: 1px solid var(--border2);
    color: var(--text);
    padding: 0.7rem 1.1rem;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s;
    position: relative;
    z-index: 1;
  }
  .profile-edit-btn:hover { background: var(--bg4); border-color: var(--accent-border); }
  .profile-edit-btn svg { width: 13px; height: 13px; }

  .profile-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.25rem;
  }
  .profile-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
  }
  .profile-card-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 1.25rem;
  }
  .profile-fields { display: flex; flex-direction: column; gap: 1rem; }
  .profile-field { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
  .profile-field-label { font-size: 13px; color: var(--text2); font-weight: 600; flex-shrink: 0; }
  .profile-field-value { font-size: 15px; color: var(--text); font-weight: 700; text-align: right; }

  .subscription-card {
    background: linear-gradient(135deg, var(--accent-dim), rgba(255,107,44,0.04));
    border: 1px solid var(--accent-border);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
  }
  .sub-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 800;
    color: var(--green);
    background: var(--green-dim);
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
  }
  .sub-status::before { content: ''; width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 8px var(--green); }
  .sub-tariff { font-size: 20px; font-weight: 900; letter-spacing: -0.4px; margin-bottom: 4px; }
  .sub-days { font-size: 32px; font-weight: 900; color: var(--accent); line-height: 1; margin-bottom: 4px; letter-spacing: -1px; }
  .sub-days-label { font-size: 12px; color: var(--text2); font-weight: 600; margin-bottom: 1.25rem; }
  .sub-extend-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border-radius: 11px;
    padding: 0.8rem;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.15s;
  }
  .sub-extend-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
  .sub-extend-btn svg { width: 14px; height: 14px; }

  /* ===== EMPLOYEES ===== */
  .employees-section { margin-top: 1.25rem; }
  .employees-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
  }
  .employees-stats { display: flex; gap: 1.5rem; font-size: 12px; color: var(--text2); font-weight: 600; }
  .employees-stats strong { color: var(--text); font-size: 16px; font-weight: 800; }
  .employees-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.75rem;
  }
  .employee-slot {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 8px;
  }
  .employee-slot.filled {
    background: var(--bg2);
    border-color: var(--border2);
  }
  .employee-slot.empty {
    border-style: dashed;
    cursor: pointer;
    transition: all 0.15s;
  }
  .employee-slot.empty:hover {
    border-color: var(--accent-border);
    background: var(--accent-dim);
  }
  .employee-slot .user-avatar {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }
  .employee-name { font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
  .employee-role { font-size: 10px; color: var(--text3); font-weight: 600; }
  .employee-remove {
    color: var(--text3);
    font-size: 10px;
    font-weight: 600;
    margin-top: 2px;
    padding: 2px 6px;
    border-radius: 5px;
    transition: color 0.15s;
  }
  .employee-remove:hover { color: var(--red); }
  .add-employee-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg3);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .add-employee-icon svg { width: 18px; height: 18px; color: var(--text2); }
  .add-employee-text { font-size: 11px; color: var(--text2); font-weight: 700; }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .profile-grid { grid-template-columns: 1fr; }
    .employees-grid { grid-template-columns: repeat(3, 1fr); }
  }
  .mobile-menu-btn { display: none; }
  .sidebar-backdrop { display: none; }

  @media (max-width: 960px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .profile-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 768px) {
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      width: 280px;
      transform: translateX(-100%);
      z-index: 100;
      transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 20px 0 60px rgba(0,0,0,0.5);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-backdrop {
      display: block;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      z-index: 99;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.25s;
    }
    .sidebar-backdrop.open { opacity: 1; pointer-events: auto; }
    .mobile-menu-btn { display: flex !important; }

    .topbar {
      padding: 0.9rem 1rem;
      gap: 0.75rem;
    }
    .topbar-title { font-size: 17px; letter-spacing: -0.3px; }
    .topbar-sub { font-size: 11px; }

    .content { padding: 1rem; }

    .hero-card { padding: 1.5rem 1.25rem; border-radius: 16px; }
    .hero-title { font-size: 22px; letter-spacing: -0.5px; }
    .hero-desc { font-size: 13px; }
    .hero-greeting { font-size: 12px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .stat-card { padding: 1rem; border-radius: 14px; }
    .stat-value { font-size: 22px; }
    .stat-icon-box { width: 28px; height: 28px; }
    .stat-icon-box svg { width: 14px; height: 14px; }

    .section-title { font-size: 15px; }
    .modules-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .module-card { padding: 1rem; border-radius: 14px; }
    .module-icon { width: 36px; height: 36px; margin-bottom: 0.75rem; }
    .module-icon svg { width: 18px; height: 18px; }
    .module-name { font-size: 13px; }
    .module-count { font-size: 11px; }

    .lesson-card { padding: 0.85rem; gap: 0.85rem; border-radius: 12px; }
    .lesson-thumb { width: 64px; height: 42px; }
    .lesson-title { font-size: 13px; }
    .lesson-meta { font-size: 11px; flex-wrap: wrap; }
    .lesson-status { padding: 4px 8px; font-size: 10px; }
    .lesson-card:hover { transform: none; }

    .students-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .student-card { padding: 1rem 0.85rem; }
    .student-avatar { width: 64px; height: 64px; font-size: 20px; }
    .student-name { font-size: 13px; }
    .student-revenue { font-size: 15px; }
    .contractors-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; }
    .contractor-card { padding: 0.75rem; border-radius: 12px; min-width: 0; overflow: hidden; }
    .contractor-avatar { width: 34px; height: 34px; font-size: 12px; border-radius: 9px; }
    .contractor-name { font-size: 12px; }
    .contractor-desc { font-size: 11px; -webkit-line-clamp: 2; margin-bottom: 8px; }
    .contractor-footer { padding-top: 8px; gap: 4px; }
    .contractor-rating { font-size: 11px; }
    .contractor-open-hint { font-size: 10px; }

    .contractors-categories { gap: 0.4rem; overflow-x: auto; flex-wrap: nowrap; margin: 0 -1rem 1.25rem; padding: 0 1rem 0.25rem; }
    .cat-chip { flex-shrink: 0; padding: 0.5rem 0.8rem; font-size: 11px; white-space: nowrap; }

    .player-wrap { max-width: 100%; }
    .video-container { border-radius: 14px; margin-bottom: 1.25rem; }
    .video-play-btn { width: 60px; height: 60px; }
    .video-play-btn svg { width: 22px; height: 22px; }
    .player-title { font-size: 20px; letter-spacing: -0.4px; }
    .player-meta { flex-direction: column; gap: 1rem; margin-bottom: 1.25rem; }
    .player-meta-row { flex-wrap: wrap; font-size: 12px; }
    .player-actions { width: 100%; }
    .player-actions button { flex: 1; justify-content: center; }
    .player-section { padding: 1.25rem; border-radius: 14px; }
    .lesson-nav { flex-direction: column; }

    .profile-wrap { max-width: 100%; }
    .profile-header {
      flex-direction: column;
      text-align: center;
      padding: 1.5rem;
      gap: 1rem;
      border-radius: 16px;
    }
    .profile-avatar-lg { width: 80px; height: 80px; font-size: 30px; border-radius: 20px; }
    .profile-name { font-size: 20px; }
    .profile-badges { justify-content: center; }
    .profile-edit-btn { width: 100%; justify-content: center; }
    .profile-card { padding: 1.25rem; border-radius: 14px; }
    .profile-card-title { font-size: 12px; margin-bottom: 1rem; }
    .profile-field { flex-direction: column; align-items: flex-start; gap: 3px; }
    .profile-field-value { text-align: left; font-size: 13px; }
    .profile-field-value[style] { max-width: 100% !important; }

    .subscription-card { padding: 1.25rem; border-radius: 14px; }
    .sub-days { font-size: 28px; }
    .sub-tariff { font-size: 18px; }

    .employees-head { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .employees-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
    .employee-slot { min-height: 120px; padding: 0.85rem; }
    .employee-slot .user-avatar { width: 40px; height: 40px; font-size: 14px; }
    .employee-name { font-size: 11px; }
    .employee-role { font-size: 9px; }
  }

  @media (max-width: 420px) {
    .stats-grid { grid-template-columns: 1fr; gap: 0.6rem; }
    .modules-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
    .contractors-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
    .contractor-card { padding: 0.6rem; }
    .contractor-avatar { width: 30px; height: 30px; font-size: 11px; border-radius: 8px; }
    .contractor-name { font-size: 11px; }
    .contractor-desc { -webkit-line-clamp: 2; font-size: 10px; }
    .contractor-footer { padding-top: 6px; gap: 4px; }
    .contractor-open-hint { font-size: 9px; }
    .auth-card { padding: 2rem 1.5rem; border-radius: 20px; }
    .auth-title { font-size: 22px; }
    .auth-sub { font-size: 13px; margin-bottom: 1.5rem; }
    .auth-features { flex-direction: column; gap: 0.75rem; }
    .auth-feat { display: flex; justify-content: space-between; text-align: left; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
    .auth-feat:last-child { border: none; }
    .auth-features { padding-top: 1rem; border-top: 1px solid var(--border); }
  }

  /* ===== ADMIN PANEL ===== */

  .nav-item.admin.active::before { background: var(--accent); }
  .nav-item.admin svg { color: var(--accent); }

  .admin-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
    overflow-x: auto;
  }
  .admin-tab {
    padding: 0.85rem 1.25rem;
    font-size: 13px;
    font-weight: 700;
    color: var(--text2);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .admin-tab:hover { color: var(--text); }
  .admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
  .admin-tab svg { width: 14px; height: 14px; }
  .admin-tab .admin-tab-count {
    background: var(--bg3);
    color: var(--text2);
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 5px;
    font-weight: 800;
  }
  .admin-tab.active .admin-tab-count { background: var(--accent-dim); color: var(--accent); }

  .admin-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
  }
  .admin-search {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg3);
    border: 1.5px solid var(--border2);
    border-radius: 12px;
    padding: 0.85rem 1.1rem;
    transition: border-color 0.15s, background 0.15s;
  }
  .admin-search:hover { border-color: var(--text-dim); }
  .admin-search:focus-within { border-color: var(--accent); background: var(--bg2); }
  .admin-search svg { width: 18px; height: 18px; color: var(--accent); }
  .admin-search input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
  }
  .admin-search input::placeholder { color: var(--text-dim); }
  .admin-filter-select {
    background: var(--bg3);
    border: 1.5px solid var(--border2);
    border-radius: 11px;
    padding: 0.65rem 1rem;
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A8A95' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
  }
  .admin-bulk-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    margin-bottom: 1rem;
    animation: slideDown 0.2s ease;
  }
  @keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
  .admin-bulk-count {
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
  }
  .admin-bulk-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    flex-wrap: wrap;
  }
  .admin-bulk-actions select {
    background: var(--bg2);
    border: 1px solid var(--border2);
    color: var(--text);
    border-radius: 9px;
    padding: 0.5rem 0.85rem;
    font-size: 12px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
  }
  .admin-bulk-clear {
    color: var(--text2);
    font-size: 12px;
    font-weight: 700;
    padding: 0.5rem 0.85rem;
    border-radius: 9px;
    transition: all 0.15s;
  }
  .admin-bulk-clear:hover { color: var(--text); background: rgba(255,255,255,0.05); }

  .admin-table {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
  }
  .admin-table-head {
    display: grid;
    grid-template-columns: 36px 76px 1fr 90px 100px 220px;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    background: var(--bg3);
    border-bottom: 1px solid var(--border);
    font-size: 10px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
  }
  .admin-row {
    display: grid;
    grid-template-columns: 36px 76px 1fr 90px 100px 220px;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    align-items: start;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
  }
  .admin-thumb {
    width: 76px;
    height: 50px;
    border-radius: 8px;
    background: linear-gradient(135deg, #1a0f08, #0d0806);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
  }
  .admin-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }
  .admin-thumb-fallback {
    color: rgba(255,255,255,0.3);
    width: 20px;
    height: 20px;
  }
  .admin-thumb-fallback svg { width: 20px; height: 20px; }
  .admin-files-section {
    margin-top: 8px;
    border-top: 1px dashed var(--border);
    padding-top: 6px;
  }
  .admin-files-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 5px;
  }
  .admin-file-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text2);
    background: var(--bg3);
    border-radius: 6px;
    padding: 3px 8px;
  }
  .admin-file-chip a { color: var(--accent); text-decoration: none; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .admin-file-chip a:hover { text-decoration: underline; }
  .admin-file-remove { color: var(--text3); cursor: pointer; flex-shrink: 0; font-size: 13px; line-height: 1; }
  .admin-file-remove:hover { color: var(--red); }
  .admin-file-add-row {
    display: flex;
    gap: 4px;
    align-items: center;
  }
  .admin-file-input {
    flex: 1;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 3px 7px;
    font-size: 11px;
    color: var(--text);
    outline: none;
    min-width: 0;
  }
  .admin-file-input:focus { border-color: var(--accent-border); }
  .admin-file-input::placeholder { color: var(--text3); }
  .admin-file-add-btn {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: 6px;
    padding: 3px 9px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .admin-file-add-btn:hover { background: var(--accent); color: white; }
  .admin-file-toggle {
    font-size: 10px;
    color: var(--text3);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 5px;
    padding: 2px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .admin-file-toggle:hover { color: var(--accent); }
  .admin-file-toggle svg { width: 10px; height: 10px; }
  /* Add video modal */
  .add-video-modal-inner { max-width: 480px; }
  .add-video-form { display: flex; flex-direction: column; gap: 1rem; padding: 1.5rem 2rem 2rem; }
  .add-video-field { display: flex; flex-direction: column; gap: 5px; }
  .add-video-label { font-size: 11px; font-weight: 800; color: var(--text3); text-transform: uppercase; letter-spacing: 0.6px; }
  .add-video-input {
    background: var(--bg3);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    color: var(--text);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
    font-family: inherit;
  }
  .add-video-input:focus { border-color: var(--accent); }
  .add-video-input::placeholder { color: var(--text3); }
  .admin-row:last-child { border-bottom: none; }
  .admin-row:hover { background: var(--bg3); }
  .admin-row.selected { background: var(--accent-dim); }
  .admin-checkbox {
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 2px solid var(--border2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    background: transparent;
  }
  .admin-checkbox.checked {
    background: var(--accent);
    border-color: var(--accent);
  }
  .admin-checkbox svg { width: 11px; height: 11px; color: white; opacity: 0; }
  .admin-checkbox.checked svg { opacity: 1; }
  .admin-row-title {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
  }
  .admin-row-title-input {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 7px;
    padding: 5px 8px;
    margin: -5px -8px;
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    width: 100%;
    outline: none;
    transition: all 0.15s;
    text-overflow: ellipsis;
  }
  .admin-row-title-input:hover { background: var(--bg4); }
  .admin-row-title-input:focus { background: var(--bg4); border-color: var(--accent-border); }
  .admin-row-duration, .admin-row-date {
    font-size: 12px;
    color: var(--text2);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }
  .admin-module-select {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 0.55rem 0.85rem;
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A8A95' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
    transition: all 0.15s;
  }
  .admin-module-select:hover { border-color: var(--accent-border); }
  .admin-module-select:focus { border-color: var(--accent); }

  .admin-empty {
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text3);
    font-size: 13px;
    font-weight: 600;
  }

  .admin-saved-toast {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: var(--green-dim);
    border: 1px solid var(--green);
    color: var(--green);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 199;
    animation: slideDown 0.25s ease;
  }
  .admin-saved-toast svg { width: 14px; height: 14px; }
  .admin-error-toast {
    position: fixed;
    bottom: 80px;
    right: 20px;
    max-width: 340px;
    background: rgba(255,91,91,0.12);
    border: 1px solid #FF5B5B;
    color: #FF5B5B;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
    z-index: 199;
    animation: slideDown 0.25s ease;
  }

  .admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  .admin-stat {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
  }
  .admin-stat-label {
    font-size: 10px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 6px;
  }
  .admin-stat-value {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.4px;
  }
  .admin-stat-value.accent { color: var(--accent); }

  @media (max-width: 768px) {
    .admin-table-head { display: none; }
    .admin-row {
      grid-template-columns: 28px 64px 1fr;
      gap: 0.75rem;
      padding: 1rem;
      align-items: start;
    }
    .admin-row-meta-mobile {
      display: flex;
      gap: 12px;
      font-size: 11px;
      color: var(--text2);
      font-weight: 600;
      margin-top: 4px;
    }
    .admin-row > .admin-row-duration, .admin-row > .admin-row-date { display: none; }
    .admin-row > .admin-module-select { grid-column: 3; margin-top: 6px; }
    .admin-toolbar { flex-direction: column; align-items: stretch; }
  }
  @media (min-width: 769px) {
    .admin-row-meta-mobile { display: none; }
  }

  /* ===== PAGINATION & RESULTS ===== */
  .results-bar {
    font-size: 12px;
    color: var(--text2);
    font-weight: 600;
    margin-bottom: 1rem;
    padding: 0 0.25rem;
  }
  .results-bar strong { color: var(--text); font-weight: 800; }
  .pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem;
  }
  .page-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 11px;
    padding: 0.7rem 1.1rem;
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    transition: all 0.15s;
  }
  .page-btn:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: white; }
  .page-btn:disabled { opacity: 0.35; cursor: not-allowed; }
  .page-btn svg { width: 14px; height: 14px; }
  .page-info { font-size: 13px; color: var(--text2); font-weight: 600; }
  .page-info strong { color: var(--accent); font-weight: 800; }

  .student-tg-btn[disabled] { opacity: 0.5; cursor: not-allowed; }
  .student-tg-btn[disabled]:hover { background: var(--bg3); border-color: var(--border2); color: var(--text); }

  /* ===== MODAL ===== */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    animation: fadeIn 0.2s ease;
  }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  @keyframes modalIn { from { opacity: 0; transform: translateY(20px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
  .modal {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 20px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  }
  .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
    z-index: 1;
  }
  .modal-close:hover { background: var(--bg4); color: var(--text); }
  .modal-close svg { width: 16px; height: 16px; }
  .modal-hero {
    padding: 2.5rem 2rem 1.5rem;
    background:
      radial-gradient(ellipse 400px 200px at 50% 0%, rgba(255,107,44,0.15), transparent 70%),
      var(--bg2);
    text-align: center;
    border-bottom: 1px solid var(--border);
  }
  .modal-avatar {
    width: 88px;
    height: 88px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--accent), #FF9960);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 900;
    color: white;
    margin: 0 auto 1rem;
    box-shadow: 0 12px 32px rgba(255,107,44,0.3);
  }
  .modal-name {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin-bottom: 6px;
  }
  .modal-handle {
    font-size: 13px;
    color: var(--text2);
    font-weight: 600;
    margin-bottom: 1rem;
  }
  .modal-tags {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .modal-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 800;
    padding: 5px 10px;
    border-radius: 7px;
    background: var(--bg3);
    color: var(--text2);
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }
  .modal-tag.accent { background: var(--accent-dim); color: var(--accent); }
  .modal-tag svg { width: 11px; height: 11px; }
  .modal-body {
    padding: 1.5rem 2rem;
  }
  .modal-section {
    margin-bottom: 1.5rem;
  }
  .modal-section:last-child { margin-bottom: 0; }
  .modal-section-title {
    font-size: 11px;
    font-weight: 800;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
  }
  .modal-section-text {
    font-size: 14px;
    color: var(--text);
    line-height: 1.6;
    font-weight: 500;
  }
  .modal-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .modal-info-item {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 11px;
    padding: 0.85rem 1rem;
  }
  .modal-info-label {
    font-size: 10px;
    color: var(--text3);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
  }
  .modal-info-label svg { width: 11px; height: 11px; }
  .modal-info-value {
    font-size: 13px;
    color: var(--text);
    font-weight: 700;
  }
  .modal-footer {
    padding: 1.25rem 2rem 1.75rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
    border-radius: 0 0 20px 20px;
  }
  .modal-tg-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border-radius: 12px;
    padding: 0.95rem;
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.15s;
    text-decoration: none;
  }
  .modal-tg-btn:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255,107,44,0.3); }
  .modal-tg-btn svg { width: 16px; height: 16px; }
  .modal-tg-btn.disabled {
    background: var(--bg3);
    color: var(--text3);
    cursor: not-allowed;
    border: 1px solid var(--border);
  }
  .modal-tg-btn.disabled:hover { transform: none; box-shadow: none; }

  @media (max-width: 600px) {
    .modal-backdrop { padding: 1rem 0.75rem; align-items: flex-end; }
    .modal { max-height: 92vh; border-radius: 20px 20px 0 0; }
    .modal-hero { padding: 2rem 1.5rem 1.25rem; }
    .modal-body { padding: 1.25rem 1.5rem; }
    .modal-footer { padding: 1rem 1.5rem 1.5rem; }
    .modal-name { font-size: 20px; }
    .modal-info-grid { grid-template-columns: 1fr; gap: 0.5rem; }
    .modal-avatar { width: 72px; height: 72px; font-size: 26px; }
  }

  .student-card { cursor: pointer; }

  /* ===== POLISH: smoother card interactions ===== */
  .student-card {
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s, background 0.18s, box-shadow 0.18s;
  }
  .student-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.25), 0 0 0 1px var(--accent-border);
  }
  .student-card:active { transform: translateY(-1px); }

  .module-card {
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s, background 0.18s, box-shadow 0.18s;
  }
  .module-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.25);
  }

  .lesson-card {
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s, background 0.18s;
  }

  .contractor-card {
    transition: transform 0.18s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.18s, box-shadow 0.18s;
  }
  .contractor-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  }

  /* Subtle pulse on accent badges */
  .sub-status::before {
    animation: pulseGreen 2s ease-in-out infinite;
  }
  @keyframes pulseGreen {
    0%, 100% { box-shadow: 0 0 8px var(--green); }
    50% { box-shadow: 0 0 14px var(--green), 0 0 0 4px rgba(61,214,140,0.15); }
  }

  /* Smoother filter chip transitions */
  .cat-chip {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .cat-chip:active { transform: scale(0.96); }

  /* Avatar inner glow on hover */
  .student-avatar {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s;
  }
  .student-card:hover .student-avatar {
    transform: scale(1.06);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  }

  /* Module icon: subtle scale on card hover */
  .module-icon {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .module-card:hover .module-icon {
    transform: scale(1.08) rotate(-3deg);
  }

  /* Stat card subtle glow */
  .stat-card {
    transition: border-color 0.18s, background 0.18s;
  }
  .stat-card:hover {
    border-color: var(--border2);
    background: var(--bg3);
  }

  /* Cleaner focus outlines for inputs */
  input:focus, select:focus, textarea:focus { outline: none; }

  /* Lesson thumbnail hover */
  .lesson-thumb {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .lesson-card:hover .lesson-thumb { transform: scale(1.05); }