/* ============================================================
   Tribo Bahia Mirim Capoeira Practice Platform
   Design tokens mirror agroverse_shop conventions
   ============================================================ */

:root {
    --color-primary: #3b3333;
    --color-secondary: #4d4d4d;
    --color-accent: #fefc8f;
    --color-text: #3b3333;
    --color-text-light: #756F63;
    --color-bg: #ffffff;
    --color-bg-light: #f7f7f7;
    --color-bg-warm: #faf8f3;
    --color-success: #5F6F52;
    --color-danger: #c0392b;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Open Sans', sans-serif;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 6px 20px rgba(59,51,51,0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --max-width: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.35rem; }

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

img { max-width: 100%; height: auto; }

/* --- Header (mirrors agroverse_shop sticky header) --- */
body > header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
}

body > header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
    gap: 1rem;
}

body > header nav a.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

body > header nav a.logo img {
    height: 48px;
    width: auto;
    border-radius: 4px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    font-size: 0.95rem;
    font-weight: 600;
}

.nav-links a { color: var(--color-text-light); }
.nav-links a:hover { color: var(--color-primary); }
.nav-links .donate-link {
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
}
.nav-links .donate-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* --- Mobile hamburger --- */
.hamburger { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2.5px; background: var(--color-primary); border-radius: 2px; transition: transform 0.2s; }

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .nav-links {
        display: none;
        position: fixed;
        top: 0; right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        box-shadow: -2px 0 10px rgba(0,0,0,0.15);
        transition: right 0.3s ease;
        gap: 2rem;
        z-index: 99;
    }
    .nav-links.active { display: flex; right: 0; }
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.35));
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/capoeira-sunset-beach.jpg') center center/cover no-repeat;
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: #fff;
    padding: 2rem;
    max-width: 800px;
    z-index: 1;
}

.hero-content h1 {
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero-content p {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    opacity: 0.92;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}
.btn-primary:hover { box-shadow: var(--shadow-hover); }

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.7);
}
.btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.btn-sm { padding: 0.4rem 1rem; font-size: 0.85rem; }

/* --- Sections --- */
.section {
    padding: 4rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}
.section-narrow { max-width: 800px; }

.section-dark {
    background: var(--color-primary);
    color: #fff;
    max-width: 100%;
}
.section-dark .section { color: #fff; }

.section-dark h2 { color: var(--color-accent); }
.section-dark p { color: rgba(255,255,255,0.85); }

.section-heading {
    text-align: center;
    margin-bottom: 3rem;
}

.section-heading h2 { margin-bottom: 0.5rem; }
.section-heading p { color: var(--color-text-light); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* --- Cards Grid --- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--color-text-light); font-size: 0.95rem; }

/* --- Narrative section --- */
.narrative {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.narrative p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.narrative .bico-duro-quote {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-primary);
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
    text-align: left;
    margin: 2rem 0;
}

.narrative .bico-duro-quote small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-style: normal;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

/* --- Photo gallery mirroring Itacare experience page pattern --- */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.photo-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s;
}

.photo-item:hover { transform: translateY(-5px); }

.photo-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.photo-caption {
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* --- Donate CTA --- */
.donate-cta {
    background: var(--color-bg-warm);
    padding: 4rem 1.5rem;
    text-align: center;
}

.donate-cta h2 { margin-bottom: 0.75rem; }
.donate-cta p { color: var(--color-text-light); max-width: 600px; margin: 0 auto 2rem; }

.donate-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.donate-amount {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.15s;
    color: var(--color-primary);
}

.donate-amount:hover,
.donate-amount.selected {
    background: var(--color-primary);
    color: #fff;
}

.donate-fineprint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 1rem;
}

/* --- Practice page --- */
.practice-layout {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 800px) {
    .practice-layout { grid-template-columns: 1fr; }
}

.session-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.session-card .theme-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.session-card .move-list { list-style: decimal inside; margin: 1rem 0; }
.session-card .move-list li { padding: 0.4rem 0; border-bottom: 1px solid #eee; font-size: 0.95rem; }
.session-card .move-list li:last-child { border: none; }
.session-card .move-list .move-name-pt { font-weight: 600; }
.session-card .move-list .move-name-en { color: var(--color-text-light); font-size: 0.85rem; }

.session-card .music-list { font-size: 0.9rem; color: var(--color-text-light); margin: 0.5rem 0; }
.session-card .session-total { font-weight: 700; margin-top: 0.75rem; }

/* --- Practice Flow --- */
.now-playing {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    text-align: center;
}

.now-playing .move-title-pt {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    margin-bottom: 0.25rem;
}

.now-playing .move-title-en {
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.now-playing .move-notes {
    text-align: left;
    background: var(--color-bg-light);
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.now-playing .timer {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin: 1rem 0;
    color: var(--color-primary);
}

.now-playing .timer.warning { color: var(--color-danger); }

.progress-bar {
    width: 100%;
    height: 6px;
    background: #eee;
    border-radius: 3px;
    margin: 1rem 0;
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 3px;
    transition: width 1s linear;
}

/* --- Library Filters --- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    align-items: center;
}

.filter-bar input[type="search"] {
    flex: 1;
    min-width: 200px;
    padding: 0.6rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.filter-bar select {
    padding: 0.6rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--color-bg);
    cursor: pointer;
}

/* --- Move Table --- */
.move-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.move-table th,
.move-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    font-size: 0.95rem;
}

.move-table th {
    background: var(--color-bg-light);
    font-weight: 700;
    color: var(--color-primary);
}

.move-table tr:last-child td { border: none; }
.move-table tr:hover { background: var(--color-bg-warm); }

.theme-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.theme-tag.foundation { background: #e8f5e9; color: #2e7d32; }
.theme-tag.defense { background: #fff3e0; color: #e65100; }
.theme-tag.attacks { background: #fce4ec; color: #c62828; }
.theme-tag.flow { background: #e3f2fd; color: #1565c0; }
.theme-tag.aerials { background: #f3e5f5; color: #7b1fa2; }
.theme-tag.floreios { background: #fff8e1; color: #f9a825; }

.diff-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.diff-tag.beginner { background: #e8f5e9; color: #2e7d32; }
.diff-tag.intermediate { background: #fff3e0; color: #e65100; }
.diff-tag.advanced { background: #fce4ec; color: #c62828; }

/* --- Session History Dashboard --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-box {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.stat-box .stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-box .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Transparency --- */
.fee-calc {
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin: 2rem 0;
}

.fee-calc table {
    width: 100%;
    border-collapse: collapse;
}

.fee-calc th,
.fee-calc td {
    padding: 0.5rem 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
    font-size: 0.95rem;
}

.fee-calc tr:last-child td { border: none; font-weight: 700; }

/* --- Footer --- */
body > footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.7);
    padding: 2rem 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

body > footer a { color: var(--color-accent); }
body > footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

/* --- States --- */
.loading { color: var(--color-text-light); font-style: italic; }
.error { color: var(--color-danger); }
.empty-state { text-align: center; padding: 3rem; color: var(--color-text-light); }
.empty-state p { margin-bottom: 1rem; }

/* --- Utilities --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 600px) {
    .hero { min-height: 60vh; }
    .section { padding: 2.5rem 1rem; }
    .cards-grid { grid-template-columns: 1fr; }
    .photo-gallery { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .move-table { font-size: 0.85rem; }
    .move-table th, .move-table td { padding: 0.5rem; }
}

/* --- Stripe donate button --- */
#stripe-donate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
}

.video-embed iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    border: none;
}