/* ============================================
   La Jungle de la Nutrition — Styles
   ============================================ */

:root {
    --green-dark: #1a3c28;
    --green-main: #2d6a4f;
    --green-light: #52b788;
    --green-pale: #d8f3dc;
    --green-bg: #f0f7f2;
    --earth-brown: #6b4f3a;
    --earth-light: #a67c52;
    --text-dark: #1a1a2e;
    --text-body: #333;
    --text-muted: #666;
    --white: #fff;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --sidebar-width: 280px;
    --player-height: 72px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text-body);
    background: var(--green-bg);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 50%, var(--earth-brown) 100%);
    padding: 1rem;
}

.login-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.login-logo {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.login-card h1 {
    font-size: 1.5rem;
    color: var(--green-dark);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.login-error {
    background: #fee2e2;
    color: #b91c1c;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.login-card input[type="password"] {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 1rem;
}

.login-card input[type="password"]:focus {
    border-color: var(--green-main);
}

.login-card button {
    width: 100%;
    padding: 0.8rem;
    background: var(--green-main);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-card button:hover {
    background: var(--green-dark);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    background: var(--green-dark);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.8rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo h1 {
    font-size: 1.2rem;
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 50%;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.15);
}

.btn-logout {
    color: var(--green-pale);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.hidden {
    display: none !important;
}

/* ============================================
   TAB NAVIGATION
   ============================================ */
.tab-nav {
    background: var(--white);
    border-bottom: 2px solid var(--green-pale);
    position: sticky;
    top: 52px;
    z-index: 90;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.tab-nav-inner {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    gap: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--green-main);
    background: var(--green-pale);
}

.tab-btn.active {
    color: var(--green-main);
    border-bottom-color: var(--green-main);
}

.tab-panel {
    display: none;
}

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

/* ============================================
   RANDOM EPISODE
   ============================================ */
.random-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
}

.random-episode {
    width: 100%;
}

.random-episode .episode-card {
    margin: 0;
}

.btn-random-refresh {
    padding: 0.7rem 1.8rem;
    background: var(--green-main);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-random-refresh:hover {
    background: var(--green-dark);
    transform: scale(1.03);
}

/* ============================================
   PROGRAMME PLACEHOLDER
   ============================================ */
.programme-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 2rem auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.programme-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.programme-placeholder h2 {
    color: var(--green-dark);
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

.programme-placeholder p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* ============================================
   APP LAYOUT
   ============================================ */
.app-layout {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 60px);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    padding: 1.5rem 1rem;
    background: var(--white);
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
    position: sticky;
    top: 60px;
    height: calc(100vh - 60px);
}

.sidebar-toggle {
    display: none;
    width: 100%;
    padding: 0.8rem;
    background: var(--green-main);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 1rem;
}

.sidebar-search {
    margin-bottom: 1.2rem;
}

.sidebar-search input {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    background: var(--white);
    color: var(--text-body);
}

.sidebar-search input:focus {
    border-color: var(--green-main);
}

.filter-section {
    margin-bottom: 1.5rem;
}

.filter-section h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--green-pale);
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.8rem;
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-body);
    text-align: left;
    transition: all 0.2s;
    width: 100%;
}

.filter-btn:hover {
    background: var(--green-pale);
}

.filter-btn.active {
    background: var(--green-main);
    color: var(--white);
    border-color: var(--green-main);
}

.filter-btn .badge {
    background: var(--green-pale);
    color: var(--green-dark);
    font-size: 0.75rem;
    padding: 0.1rem 0.5rem;
    border-radius: 10px;
    margin-left: auto;
}

.filter-btn.active .badge {
    background: rgba(255,255,255,0.3);
    color: var(--white);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-btn {
    padding: 0.35rem 0.7rem;
    background: var(--green-pale);
    color: var(--green-dark);
    border: 1px solid transparent;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tag-btn:hover {
    background: var(--green-light);
    color: var(--white);
}

.tag-btn.active {
    background: var(--green-main);
    color: var(--white);
}

.btn-clear {
    width: 100%;
    padding: 0.6rem;
    background: none;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #b91c1c;
}

/* ============================================
   CONTENT
   ============================================ */
.content {
    flex: 1;
    padding: 1.5rem;
    padding-bottom: calc(var(--player-height) + 2rem);
}

.season-intro {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--green-main);
    box-shadow: var(--shadow);
}

.season-intro h2 {
    color: var(--green-dark);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.season-intro p {
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.7;
}

.episodes-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ============================================
   EPISODE CARDS
   ============================================ */
.episode-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.episode-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: 1.2rem 1.2rem 0.8rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.season-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--green-main);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
}

.season-badge.s0 { background: var(--earth-brown); }
.season-badge.s1 { background: #2563eb; }
.season-badge.s2 { background: var(--green-main); }
.season-badge.s3 { background: #dc2626; }
.season-badge.s4 { background: #9333ea; }
.season-badge.s5 { background: #0891b2; }

.ep-number {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 0.6rem;
}

.card-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.5rem;
}

.card-topic {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    background: var(--green-pale);
    color: var(--green-dark);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
}

.card-topic:hover {
    background: var(--green-light);
    color: var(--white);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0 1.2rem 0.8rem;
}

.btn-play, .btn-download {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    text-decoration: none;
}

.btn-play {
    background: var(--green-main);
    color: var(--white);
}

.btn-play:hover {
    background: var(--green-dark);
}

.btn-play.playing {
    background: var(--earth-brown);
}

.btn-download {
    background: var(--green-pale);
    color: var(--green-dark);
}

.btn-download:hover {
    background: var(--green-light);
    color: var(--white);
}

/* Summary accordion */
.card-summary {
    border-top: 1px solid #eee;
}

.summary-toggle {
    width: 100%;
    padding: 0.7rem 1.2rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--green-main);
    font-weight: 600;
    transition: background 0.2s;
}

.summary-toggle:hover {
    background: var(--green-pale);
}

.summary-toggle .arrow {
    transition: transform 0.2s;
}

.summary-toggle.open .arrow {
    transform: rotate(180deg);
}

.summary-content {
    display: none;
    padding: 0 1.2rem 1rem;
}

.summary-content.open {
    display: block;
}

.summary-content p {
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--text-body);
    margin: 0;
}

/* Tips accordion */
.card-tips {
    border-top: 1px solid #eee;
}

.tips-toggle {
    width: 100%;
    padding: 0.7rem 1.2rem;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--green-main);
    font-weight: 600;
    transition: background 0.2s;
}

.tips-toggle:hover {
    background: var(--green-pale);
}

.tips-toggle .arrow {
    transition: transform 0.2s;
}

.tips-toggle.open .arrow {
    transform: rotate(180deg);
}

.tips-content {
    display: none;
    padding: 0 1.2rem 1rem;
}

.tips-content.open {
    display: block;
}

.tip-item {
    display: flex;
    gap: 0.6rem;
    padding: 0.5rem 0;
    font-size: 0.88rem;
    line-height: 1.5;
}

.tip-item + .tip-item {
    border-top: 1px solid #f3f3f3;
}

.tip-number {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--green-main);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 0.1rem;
}

.tip-emoji {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-top: -0.1rem;
}

/* ============================================
   AUDIO PLAYER BAR
   ============================================ */
.audio-player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--player-height);
    background: var(--green-dark);
    color: var(--white);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
    z-index: 200;
}

.player-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-width: 0;
    flex-shrink: 1;
}

.player-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    white-space: nowrap;
}

.player-title {
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#global-audio {
    flex: 1;
    min-width: 200px;
    height: 36px;
}

.player-close {
    font-size: 1.5rem;
    color: rgba(255,255,255,0.7);
    flex-shrink: 0;
}

.player-close:hover {
    color: var(--white);
}

/* ============================================
   NO RESULTS
   ============================================ */
.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .tab-nav-inner {
        gap: 0;
    }

    .tab-btn {
        font-size: 0.82rem;
        padding: 0.65rem 0.5rem;
    }

    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        padding: 1rem;
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-content {
        display: none;
    }

    .sidebar-content.open {
        display: block;
    }

    .player-inner {
        flex-wrap: wrap;
        padding: 0.5rem 1rem;
        gap: 0.5rem;
    }

    .player-info {
        width: 100%;
        order: 1;
    }

    #global-audio {
        flex: 1;
        min-width: 0;
        order: 2;
    }

    .player-close {
        order: 3;
    }

    .audio-player-bar {
        height: auto;
        padding: 0.3rem 0;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }

    .logo h1 {
        font-size: 1rem;
    }

    .card-header {
        padding: 1rem 1rem 0.6rem;
    }

    .card-actions {
        padding: 0 1rem 0.6rem;
    }
}