/* =====================================================================
   FutsalReferee - App (dashboards base/premium/admin)
   ===================================================================== */
.app-shell { display: grid; grid-template-columns: 250px 1fr; min-height: calc(100vh - var(--header-h)); }
.sidebar {
  background: var(--color-bg-alt); border-right: 1px solid var(--color-border);
  padding: 24px 16px; position: sticky; top: var(--header-h); height: calc(100vh - var(--header-h)); overflow-y: auto;
}
.sidebar .user-mini { display: flex; align-items: center; gap: 12px; padding: 12px; background: var(--color-surface); border-radius: var(--radius-sm); margin-bottom: 20px; }
.sidebar .user-mini .avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); display: grid; place-items: center; font-weight: 700; color: #06150a; }
.sidebar .user-mini .name { font-weight: 600; font-size: .9rem; }
.sidebar .user-mini .role-tag { font-size: .72rem; color: var(--color-text-muted); }
.sidebar nav a, .sidebar nav button {
  display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: var(--radius-sm);
  color: var(--color-text-muted); font-weight: 500; font-size: .92rem; width: 100%; text-align: left; margin-bottom: 4px;
}
.sidebar nav a:hover, .sidebar nav button:hover { background: var(--color-surface-2); color: #fff; }
.sidebar nav a.active, .sidebar nav button.active { background: var(--color-primary); color: #fff; }
.sidebar nav .icon { width: 20px; text-align: center; }
.sidebar .nav-section-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--color-text-muted); margin: 18px 12px 8px; }

.app-main { padding: 28px 30px; max-width: 100%; overflow-x: hidden; }
.app-main h1 { font-size: 1.8rem; margin-bottom: 6px; }
.app-main .page-sub { color: var(--color-text-muted); margin-bottom: 24px; }

/* Modules grid */
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.module-card { padding: 22px; cursor: pointer; }
.module-card .module-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: rgba(22,163,74,.12); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 14px; }
.module-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.module-card p { color: var(--color-text-muted); font-size: .88rem; margin-bottom: 12px; }
.module-card .module-meta { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; color: var(--color-text-muted); }

/* Lesson viewer */
.lesson-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; }
.lesson-main { min-width: 0; }
.lesson-sidebar { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px; height: fit-content; position: sticky; top: 80px; }
.lesson-sidebar h4 { font-size: .85rem; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 12px; }
.lesson-sidebar .lesson-item { padding: 10px 12px; border-radius: var(--radius-sm); margin-bottom: 4px; cursor: pointer; font-size: .9rem; }
.lesson-sidebar .lesson-item:hover { background: var(--color-surface-2); }
.lesson-sidebar .lesson-item.active { background: var(--color-primary); color: #fff; }
.lesson-sidebar .lesson-item.completed::after { content: ' ✓'; color: var(--color-primary-light); }
.lesson-sidebar .lesson-item.active.completed::after { color: #fff; }

/* Video player protegido */
.video-wrap {
  position: relative; background: #000; border-radius: var(--radius-md); overflow: hidden;
  aspect-ratio: 16/9; margin-bottom: 18px;
}
.video-wrap video { width: 100%; height: 100%; display: block; }
/* Anti-inspección / anti-descarga */
.video-wrap::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  /* watermark sutil */
}
.video-watermark {
  position: absolute; top: 12px; right: 16px; z-index: 5; pointer-events: none;
  font-size: .75rem; color: rgba(255,255,255,.4); font-weight: 600; letter-spacing: .05em;
  background: rgba(0,0,0,.25); padding: 4px 10px; border-radius: 4px; backdrop-filter: blur(2px);
}
.video-wrap video::-webkit-media-controls-download-button { display: none; }
.video-wrap video::-webkit-media-controls-enclosure { overflow: hidden; }
.video-wrap video::-webkit-media-controls-panel { width: calc(100% + 30px); }

/* Lesson content */
.lesson-body { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 24px; }
.lesson-body h2 { margin-bottom: 8px; }
.lesson-body .meta { color: var(--color-text-muted); font-size: .85rem; margin-bottom: 18px; display: flex; gap: 16px; flex-wrap: wrap; }
.lesson-body .text-content { line-height: 1.8; color: var(--color-text); }

/* Comments */
.comments-section { margin-top: 28px; }
.comments-section h3 { margin-bottom: 16px; font-size: 1.2rem; }
.comment-box { margin-bottom: 16px; }
.comment-list { display: flex; flex-direction: column; gap: 14px; max-height: 480px; overflow-y: auto; padding-right: 6px; }
.comment-item { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 14px; }
.comment-item .comment-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.comment-item .comment-author { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: .88rem; }
.comment-item .comment-author .avatar-sm { width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); display: grid; place-items: center; font-size: .75rem; font-weight: 700; color: #06150a; }
.comment-item .comment-date { font-size: .76rem; color: var(--color-text-muted); }
.comment-item .comment-text { font-size: .92rem; line-height: 1.5; }
.comment-item .comment-actions { margin-top: 8px; display: flex; gap: 12px; }
.comment-item .comment-actions button { font-size: .78rem; color: var(--color-primary-light); }
.comment-item .original-text { margin-top: 8px; padding: 8px 10px; background: var(--color-bg-alt); border-radius: var(--radius-sm); font-size: .82rem; color: var(--color-text-muted); border-left: 2px solid var(--color-border); }

/* Trivia / Exam */
.quiz-card { max-width: 760px; margin: 0 auto; }
.quiz-question { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; margin-bottom: 16px; }
.quiz-question .q-text { font-weight: 600; margin-bottom: 14px; }
.quiz-options { display: flex; flex-direction: column; gap: 8px; }
.quiz-option { padding: 14px 16px; background: var(--color-surface-2); border: 2px solid var(--color-border); border-radius: var(--radius-sm); cursor: pointer; transition: all .15s; display: flex; align-items: center; gap: 12px; }
.quiz-option:hover { border-color: var(--color-primary); }
.quiz-option.selected { border-color: var(--color-primary); background: rgba(22,163,74,.1); }
.quiz-option.correct { border-color: var(--color-primary); background: rgba(22,163,74,.2); }
.quiz-option.incorrect { border-color: var(--color-danger); background: rgba(220,38,38,.15); }
.quiz-option .opt-letter { width: 28px; height: 28px; border-radius: 50%; background: var(--color-border); display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
.quiz-result { text-align: center; padding: 30px; }
.quiz-result .score-big { font-size: 3rem; font-weight: 900; margin: 10px 0; }
.quiz-result.passed .score-big { color: var(--color-primary-light); }
.quiz-result.failed .score-big { color: #fca5a5; }

/* Community */
.community-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; }
.continent-tabs { display: flex; flex-direction: column; gap: 6px; }
.continent-tabs button { padding: 10px 14px; text-align: left; border-radius: var(--radius-sm); color: var(--color-text-muted); font-size: .9rem; }
.continent-tabs button.active { background: var(--color-primary); color: #fff; }
.post-card { padding: 18px; margin-bottom: 14px; }
.post-card .post-head { display: flex; justify-content: space-between; margin-bottom: 10px; }
.post-card .post-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 6px; }
.post-card .post-content { color: var(--color-text); font-size: .92rem; margin-bottom: 10px; }
.post-card .post-meta { font-size: .8rem; color: var(--color-text-muted); display: flex; gap: 12px; }

/* Admin */
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 30px; }
.stat-card { padding: 22px; }
.stat-card .stat-num { font-size: 2.2rem; font-weight: 800; color: #fff; }
.stat-card .stat-label { color: var(--color-text-muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: .9rem; }
.admin-table th { color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; font-size: .78rem; letter-spacing: .05em; }
.admin-table tr:hover { background: var(--color-surface-2); }

/* Responsive app */
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--color-border); }
  .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar nav a, .sidebar nav button { width: auto; margin: 0; }
  .sidebar .nav-section-label { width: 100%; }
  .lesson-layout { grid-template-columns: 1fr; }
  .lesson-sidebar { position: static; }
  .community-layout { grid-template-columns: 1fr; }
  .continent-tabs { flex-direction: row; overflow-x: auto; }
}