/* ============================================================
   FEATURES BRUTAL — Notas, Transcripción, Gamificación, Dashboard
   ============================================================ */

/* ─── Variables compartidas ─────────────────────────────── */
:root {
    --feat-gold: #c78e3f;
    --feat-gold-dim: rgba(199,142,63,0.15);
    --feat-dark: #0a0a0a;
    --feat-panel: #111111;
    --feat-border: #222222;
    --feat-text: #e0e0e0;
    --feat-muted: #666666;
    --feat-green: #2ecc71;
    --feat-blue: #4dabf7;
    --feat-purple: #b44fe8;
}

/* ============================================================
   PANEL DE NOTAS + TRANSCRIPCIÓN (curso-virtual.html)
   ============================================================ */

/* Contenedor de los paneles de features dentro de .lesson-info */
.feat-panels-wrapper {
    margin-top: 40px;
    border-top: 1px solid var(--feat-border);
}

/* Tabs de navegación entre paneles */
.feat-tabs-nav {
    display: flex;
    gap: 4px;
    padding: 20px 0 0 0;
    border-bottom: 1px solid var(--feat-border);
    margin-bottom: 0;
}

.feat-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--feat-muted);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    bottom: -1px;
}

.feat-tab-btn:hover {
    color: var(--feat-text);
}

.feat-tab-btn.active {
    color: var(--feat-gold);
    border-bottom-color: var(--feat-gold);
}

.feat-tab-badge {
    background: var(--feat-gold);
    color: #000;
    font-size: 0.6rem;
    font-weight: 800;
    border-radius: 10px;
    padding: 1px 6px;
    min-width: 18px;
    text-align: center;
    line-height: 1.6;
}

/* Contenido de tabs */
.feat-tab-panel {
    display: none;
    padding: 30px 0;
}

.feat-tab-panel.active {
    display: block;
}

/* ─── NOTAS ─────────────────────────────────────────────── */

.notes-input-area {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 24px;
    background: #0d0d0d;
    border: 1px solid var(--feat-border);
    padding: 16px;
    border-radius: 8px;
    transition: border-color 0.2s;
}

.notes-input-area:focus-within {
    border-color: var(--feat-gold);
}

.note-ts-btn {
    background: var(--feat-gold-dim);
    border: 1px solid var(--feat-gold);
    color: var(--feat-gold);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: monospace;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
    min-width: 72px;
    justify-content: center;
    margin-top: 2px;
}

.note-ts-btn:hover {
    background: rgba(199,142,63,0.3);
}

.note-textarea {
    background: transparent;
    border: none;
    color: var(--feat-text);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: none;
    width: 100%;
    min-height: 50px;
    outline: none;
}

.note-textarea::placeholder {
    color: #444;
}

.note-save-btn {
    background: var(--feat-gold);
    border: none;
    color: #000;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-top: 2px;
    flex-shrink: 0;
}

.note-save-btn:hover {
    background: #e0a84a;
    transform: scale(1.05);
}

/* Lista de notas */
.notes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.note-card {
    background: #0d0d0d;
    border: 1px solid var(--feat-border);
    border-left: 3px solid var(--feat-gold);
    border-radius: 8px;
    padding: 16px 18px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
    transition: border-color 0.2s;
    animation: noteSlideIn 0.3s ease;
}

@keyframes noteSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.note-card:hover {
    border-color: rgba(199,142,63,0.4);
}

.note-card-ts {
    background: var(--feat-gold-dim);
    color: var(--feat-gold);
    border: 1px solid rgba(199,142,63,0.3);
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: monospace;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
    flex-shrink: 0;
}

.note-card-ts:hover {
    background: rgba(199,142,63,0.3);
}

.note-card-body {
    flex: 1;
    font-size: 0.9rem;
    color: #ccc;
    line-height: 1.6;
    word-break: break-word;
}

.note-card-del {
    background: none;
    border: none;
    color: #444;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 2px 4px;
    transition: color 0.2s;
    flex-shrink: 0;
}

.note-card-del:hover {
    color: #e74c3c;
}

/* Empty state */
.notes-empty-state,
.transcript-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--feat-muted);
}

.notes-empty-state i,
.transcript-empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.4;
}

.notes-empty-state p,
.transcript-empty-state p {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Footer de notas */
.notes-footer {
    padding-top: 20px;
    border-top: 1px solid var(--feat-border);
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
}

.btn-export-notes {
    background: transparent;
    border: 1px solid var(--feat-border);
    color: var(--feat-muted);
    padding: 10px 18px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-export-notes:hover {
    border-color: var(--feat-gold);
    color: var(--feat-gold);
}

/* ─── TRANSCRIPCIÓN ─────────────────────────────────────── */

.transcript-search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #0d0d0d;
    border: 1px solid var(--feat-border);
    border-radius: 8px;
    padding: 10px 16px;
    margin-bottom: 20px;
    transition: border-color 0.2s;
}

.transcript-search-bar:focus-within {
    border-color: var(--feat-gold);
}

.transcript-search-bar i {
    color: var(--feat-muted);
    font-size: 0.9rem;
}

.transcript-search-input {
    background: none;
    border: none;
    color: var(--feat-text);
    font-family: inherit;
    font-size: 0.9rem;
    width: 100%;
    outline: none;
}

.transcript-search-input::placeholder {
    color: #444;
}

.transcript-body {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #333 transparent;
}

.transcript-body::-webkit-scrollbar { width: 4px; }
.transcript-body::-webkit-scrollbar-thumb { background: #333; border-radius: 4px; }

.transcript-segment {
    display: flex;
    gap: 14px;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
    line-height: 1.6;
}

.transcript-segment:hover {
    background: #151515;
}

.transcript-segment.active {
    background: var(--feat-gold-dim);
}

.transcript-segment.hidden {
    display: none;
}

.transcript-segment-ts {
    color: var(--feat-gold);
    font-size: 0.72rem;
    font-weight: 700;
    font-family: monospace;
    white-space: nowrap;
    padding-top: 2px;
    flex-shrink: 0;
    opacity: 0.8;
}

.transcript-segment-text {
    font-size: 0.88rem;
    color: #bbb;
}

.transcript-segment-text mark {
    background: rgba(199,142,63,0.3);
    color: var(--feat-gold);
    border-radius: 2px;
    padding: 0 2px;
}

/* ─── GAMIFICACIÓN: BADGE EN SIDEBAR ────────────────────── */

.sidebar-gami-widget {
    padding: 16px 20px;
    background: linear-gradient(135deg, #0d0d0d 0%, #111 100%);
    border-bottom: 1px solid var(--feat-border);
    display: flex;
    align-items: center;
    gap: 14px;
}

.sidebar-level-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 2px solid;
}

.sidebar-level-info {
    flex: 1;
    min-width: 0;
}

.sidebar-level-name {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.sidebar-xp-bar-bg {
    background: #1a1a1a;
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
}

.sidebar-xp-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: var(--feat-gold);
    transition: width 0.8s cubic-bezier(.25,.46,.45,.94);
}

.sidebar-xp-label {
    font-size: 0.62rem;
    color: var(--feat-muted);
    margin-top: 4px;
    font-family: monospace;
}

/* ─── XP TOAST ───────────────────────────────────────────── */

.gami-xp-toast {
    position: fixed;
    bottom: 100px;
    right: 24px;
    z-index: 99999;
    transform: translateX(120%);
    transition: transform 0.35s cubic-bezier(.25,.46,.45,.94);
    pointer-events: none;
}

.gami-xp-toast.gami-xp-toast--visible {
    transform: translateX(0);
}

.gami-xp-inner {
    background: #111;
    border: 1px solid var(--feat-gold);
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 20px rgba(199,142,63,0.15);
    min-width: 220px;
}

.gami-xp-icon {
    font-size: 1.6rem;
    line-height: 1;
}

.gami-xp-amount {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--feat-gold);
    line-height: 1;
}

.gami-xp-reason {
    font-size: 0.75rem;
    color: var(--feat-muted);
    margin-top: 3px;
}

.gami-levelup {
    font-size: 0.75rem;
    color: var(--feat-text);
    margin-top: 5px;
    font-weight: 600;
}

/* ─── BADGE TOAST ────────────────────────────────────────── */

.gami-badge-toast {
    position: fixed;
    bottom: 170px;
    right: 24px;
    z-index: 99999;
    transform: translateX(120%);
    transition: transform 0.35s cubic-bezier(.25,.46,.45,.94);
    pointer-events: none;
}

.gami-badge-toast.gami-badge-toast--visible {
    transform: translateX(0);
}

.gami-badge-inner {
    background: #111;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
    min-width: 220px;
}

.gami-badge-icon {
    font-size: 1.8rem;
    line-height: 1;
}

.gami-badge-label {
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--feat-gold);
}

.gami-badge-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--feat-text);
    margin-top: 2px;
}

.gami-badge-desc {
    font-size: 0.73rem;
    color: var(--feat-muted);
    margin-top: 2px;
}

/* ============================================================
   PREMIUM PROGRESS DASHBOARD (mis-cursos.html)
   ============================================================ */

/* Sección de stats */
.dash-stats-section {
    padding: 40px 0 0 0;
}

/* Stats hero row */
.dash-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

@media (max-width: 900px) {
    .dash-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .dash-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

.dash-stat-card {
    background: #0d0d0d;
    border: 1px solid #1e1e1e;
    border-radius: 12px;
    padding: 22px 20px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}

.dash-stat-card:hover {
    border-color: rgba(199,142,63,0.3);
    transform: translateY(-2px);
}

.dash-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--feat-gold), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.dash-stat-card:hover::before { opacity: 1; }

.dash-stat-icon {
    font-size: 1.4rem;
    margin-bottom: 12px;
    opacity: 0.8;
}

.dash-stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: -1px;
}

.dash-stat-label {
    font-size: 0.72rem;
    color: var(--feat-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Level card special */
.dash-stat-card.level-card .dash-stat-value {
    font-size: 1.3rem;
    letter-spacing: 0;
}

/* Streak fire */
.streak-fire {
    animation: streakPulse 2s infinite;
}
@keyframes streakPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; transform: scale(1.1); }
}

/* Continuar aprendiendo */
.dash-continue-section {
    margin-bottom: 36px;
}

.dash-continue-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--feat-gold);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dash-continue-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--feat-border);
}

.dash-continue-card {
    background: linear-gradient(135deg, #0f0f0f 0%, #111 100%);
    border: 1px solid rgba(199,142,63,0.2);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    gap: 24px;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.dash-continue-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(199,142,63,0.4), transparent);
}

.dash-continue-card:hover {
    border-color: rgba(199,142,63,0.5);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.dash-continue-thumb {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #444;
}

.dash-continue-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

.dash-continue-info {
    flex: 1;
    min-width: 0;
}

.dash-continue-course {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dash-continue-progress-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.dash-continue-pbar {
    flex: 1;
    height: 4px;
    background: #1a1a1a;
    border-radius: 2px;
    overflow: hidden;
}

.dash-continue-pbar-fill {
    height: 100%;
    background: var(--feat-gold);
    border-radius: 2px;
    transition: width 0.8s ease;
}

.dash-continue-pct {
    font-size: 0.75rem;
    color: var(--feat-gold);
    font-weight: 700;
    font-family: monospace;
}

.dash-continue-prediction {
    font-size: 0.78rem;
    color: var(--feat-muted);
}

.dash-continue-btn {
    background: var(--feat-gold);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 12px 22px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dash-continue-btn:hover {
    background: #e0a84a;
    transform: scale(1.03);
}

/* Puntos de progreso en tarjetas de curso */
.course-journey-dots {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.journey-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    transition: background 0.3s;
}

.journey-dot.done {
    background: var(--feat-gold);
    border-color: var(--feat-gold);
}

.journey-dot.current {
    background: rgba(199,142,63,0.5);
    border-color: var(--feat-gold);
    animation: dotPulse 1.5s infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.3); }
}

/* Leaderboard trigger button */
.btn-leaderboard-trigger {
    background: transparent;
    border: 1px solid #222;
    color: #888;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-leaderboard-trigger:hover {
    border-color: var(--feat-gold);
    color: var(--feat-gold);
}

/* ─── LEADERBOARD MODAL ─────────────────────────────────── */

.leaderboard-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.leaderboard-modal {
    background: #0d0d0d;
    border: 1px solid #222;
    border-radius: 20px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideUp 0.3s cubic-bezier(.25,.46,.45,.94);
}

@keyframes modalSlideUp {
    from { transform: translateY(30px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

.leaderboard-header {
    padding: 24px 28px;
    border-bottom: 1px solid #1a1a1a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #0f0f0f 0%, #111 100%);
}

.leaderboard-header h2 {
    font-size: 1.1rem;
    color: var(--feat-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}

.leaderboard-close-btn {
    background: none;
    border: none;
    color: #555;
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.leaderboard-close-btn:hover { color: #fff; background: #1a1a1a; }

.leaderboard-body {
    overflow-y: auto;
    padding: 16px 0;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: #222 transparent;
}

.leaderboard-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 28px;
    transition: background 0.15s;
}

.leaderboard-row:hover {
    background: #111;
}

.leaderboard-row.top-1 { background: linear-gradient(90deg, rgba(255,215,0,0.05) 0%, transparent 100%); }
.leaderboard-row.top-2 { background: linear-gradient(90deg, rgba(192,192,192,0.04) 0%, transparent 100%); }
.leaderboard-row.top-3 { background: linear-gradient(90deg, rgba(205,127,50,0.04) 0%, transparent 100%); }

.leaderboard-rank {
    font-size: 0.9rem;
    font-weight: 800;
    font-family: monospace;
    width: 28px;
    text-align: center;
    color: var(--feat-muted);
    flex-shrink: 0;
}

.leaderboard-row.top-1 .leaderboard-rank { color: #ffd700; font-size: 1.1rem; }
.leaderboard-row.top-2 .leaderboard-rank { color: #c0c0c0; }
.leaderboard-row.top-3 .leaderboard-rank { color: #cd7f32; }

.leaderboard-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 2px solid #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--feat-gold);
    flex-shrink: 0;
    text-transform: uppercase;
}

.leaderboard-info {
    flex: 1;
    min-width: 0;
}

.leaderboard-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--feat-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-level {
    font-size: 0.7rem;
    color: var(--feat-muted);
    margin-top: 2px;
}

.leaderboard-xp {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--feat-gold);
    font-family: monospace;
    flex-shrink: 0;
}

.leaderboard-streak {
    font-size: 0.75rem;
    color: #ff922b;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.leaderboard-loading,
.leaderboard-empty {
    text-align: center;
    padding: 40px;
    color: var(--feat-muted);
    font-size: 0.9rem;
}

/* ─── MOBILE PILLS (notas/transcripción en móvil) ───────── */

@media (max-width: 900px) {
    .feat-panels-wrapper {
        margin-top: 20px;
    }

    .feat-tab-btn {
        font-size: 0.72rem;
        padding: 8px 12px;
    }

    .notes-input-area {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .note-ts-btn {
        width: fit-content;
    }

    .note-save-btn {
        width: 100%;
        height: 42px;
        border-radius: 8px;
    }

    .dash-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .dash-continue-card {
        flex-wrap: wrap;
        gap: 16px;
    }

    .dash-continue-btn {
        width: 100%;
        justify-content: center;
    }
}