/* ===========================================
   BACKEND DO INSTAGRAM EM PHP - ESTILOS (AE7)
   Artigo Técnico Avançado - Identidade Visual AE7
   Autor: AE7 Tecnologia
   Data: Janeiro 2026
   =========================================== */

/* ===== VARIÁVEIS GLOBAIS ===== */
:root {
    /* Cores Principais */
    --white: #FFFFFF;
    --black: #0D0D0D;
    --text: #1C1C1E;
    --text-light: #6B7280;
    --muted: #5A5A5F;
    --bg-soft: #F8F9FA;
    
    /* Cores Instagram */
    --instagram-purple: #833AB4;
    --instagram-pink: #C13584;
    --instagram-orange: #F77737;
    --instagram-yellow: #FCAF45;
    
    /* Cores de Acento AE7 */
    --accent-blue: #265EFF;
    --accent-green: #10B981;
    --accent-purple: #7A00FF;
    --accent-orange: #F97316;
    --accent-red: #EF4444;
    --accent-teal: #14B8A6;
    --accent-yellow: #F59E0B;
    
    /* Gradientes Instagram */
    --gradient-instagram: linear-gradient(135deg, #833AB4 0%, #C13584 50%, #F77737 100%);
    --gradient-instagram-soft: linear-gradient(135deg, rgba(131, 58, 180, 0.1) 0%, rgba(193, 53, 132, 0.1) 50%, rgba(247, 119, 55, 0.1) 100%);
    
    /* Gradientes AE7 */
    --gradient-primary: linear-gradient(90deg, var(--accent-blue), var(--accent-teal));
    --gradient-soft: linear-gradient(135deg, rgba(38, 94, 255, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    --gradient-danger: linear-gradient(90deg, var(--accent-red), var(--accent-orange));
    --gradient-success: linear-gradient(90deg, var(--accent-green), var(--accent-teal));
    --gradient-warning: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(16,16,24,0.06);
    --shadow: 0 8px 24px rgba(16,16,24,0.08);
    --shadow-lg: 0 12px 32px rgba(16,16,24,0.12);
    --shadow-xl: 0 20px 48px rgba(16,16,24,0.16);
    --shadow-glass: 0 16px 40px rgba(16,16,24,0.15);
    --shadow-instagram: 0 12px 32px rgba(131, 58, 180, 0.2);
    
    /* Espaçamentos */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    
    /* Bordas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Fontes */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Easing */
    --ease-physical: cubic-bezier(.17, .87, .44, 1.18);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET E BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
}

/* ===== MATERIAL ICONS ===== */
.material-icons,
.material-icons-outlined {
    vertical-align: middle;
    display: inline-block;
    font-size: inherit;
    user-select: none;
}

/* ===== BACKGROUND ANIMADO ===== */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    filter: blur(60px);
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-instagram);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    bottom: -250px;
    right: -250px;
    animation-delay: 5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: var(--gradient-success);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* ===== CONTAINER PRINCIPAL ===== */
.main-article-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    position: relative;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--gradient-instagram);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-instagram);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-instagram);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 32px rgba(131, 58, 180, 0.3);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    background: var(--gradient-instagram);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-instagram);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-xs);
}

/* ===== SEÇÕES ===== */
.section-wrapper {
    padding: var(--space-lg) 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-md);
}

/* ===== TÍTULOS ===== */
.title {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text);
}

.title-lg {
    font-size: clamp(2rem, 5vw, 3rem);
    background: var(--gradient-instagram);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-md {
    font-size: clamp(1.5rem, 4vw, 2rem);
}

.section-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    margin: var(--space-xl) 0 var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text);
}

.section-title .material-icons {
    font-size: 2rem;
    color: var(--instagram-purple);
}

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--space-lg);
    transition: all 0.3s var(--ease-smooth);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-gradient {
    background: var(--gradient-instagram-soft);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.card-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: var(--gradient-instagram);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* ===== ALERTS ===== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
    border-left: 4px solid;
}

.alert .material-icons {
    flex-shrink: 0;
    font-size: 24px;
}

.alert-info {
    background: rgba(38, 94, 255, 0.1);
    border-color: var(--accent-blue);
    color: var(--text);
}

.alert-info .material-icons {
    color: var(--accent-blue);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-green);
    color: var(--text);
}

.alert-success .material-icons {
    color: var(--accent-green);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--accent-yellow);
    color: var(--text);
}

.alert-warning .material-icons {
    color: var(--accent-yellow);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
    color: var(--text);
}

.alert-danger .material-icons {
    color: var(--accent-red);
}

/* ===== CÓDIGO ===== */
.code-block {
    background: #1e1e1e;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    overflow-x: auto;
    margin: var(--space-lg) 0;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: #2d2d2d;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    border-bottom: 1px solid #404040;
}

.code-block pre {
    margin: 0;
    margin-top: 30px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #d4d4d4;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Fira Code', 'Courier New', monospace;
}

/* Syntax Highlighting */
.keyword { color: #569CD6; }
.string { color: #CE9178; }
.comment { color: #6A9955; font-style: italic; }
.function { color: #DCDCAA; }
.variable { color: #9CDCFE; }
.number { color: #B5CEA8; }
.operator { color: #D4D4D4; }

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    text-decoration: none;
    color: var(--white);
}

.btn-primary {
    background: var(--gradient-instagram);
    box-shadow: var(--shadow-instagram);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(131, 58, 180, 0.3);
}

.btn-secondary {
    background: var(--gradient-primary);
    box-shadow: var(--shadow);
}

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

/* ===== GRID DE FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow);
    transition: all 0.3s var(--ease-smooth);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--instagram-purple);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-instagram);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.feature-icon .material-icons {
    font-size: 32px;
    color: var(--white);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== NAVEGAÇÃO ENTRE SEÇÕES ===== */
.section-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 2px solid var(--bg-soft);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: all 0.3s var(--ease-smooth);
}

.nav-link:hover {
    transform: translateX(-4px);
    box-shadow: var(--shadow-lg);
    background: var(--gradient-instagram-soft);
}

.nav-link.next:hover {
    transform: translateX(4px);
}

/* ===== ANIMAÇÕES ===== */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== UTILITÁRIOS ===== */
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.highlight {
    background: linear-gradient(135deg, rgba(131, 58, 180, 0.2), rgba(193, 53, 132, 0.2));
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

/* ===== DARK MODE ===== */
body.dark-mode {
    background-color: #0f0f11;
    color: #e5e7eb;
}

body.dark-mode .floating-shapes {
    opacity: 0.3;
}

body.dark-mode .section-content {
    background: #1a1a1d;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

body.dark-mode .card {
    background: #1a1a1d;
    border: 1px solid #2d2d30;
}

body.dark-mode .card:hover {
    border-color: #833AB4;
}

body.dark-mode .feature-card {
    background: #1a1a1d;
    border: 1px solid #2d2d30;
}

body.dark-mode .feature-card:hover {
    background: #222225;
    border-color: #833AB4;
}

body.dark-mode .code-block {
    background: #0d0d0f;
    border: 1px solid #2d2d30;
}

body.dark-mode .title,
body.dark-mode .section-title,
body.dark-mode .feature-title,
body.dark-mode h1, body.dark-mode h2, body.dark-mode h3,
body.dark-mode h4, body.dark-mode h5, body.dark-mode h6 {
    color: #f8f9fa;
}

body.dark-mode p,
body.dark-mode li,
body.dark-mode .feature-description {
    color: #d1d5db;
}

body.dark-mode .text-light {
    color: #9ca3af !important;
}

body.dark-mode .alert {
    background: #1a1a1d;
    border-left-width: 4px;
}

body.dark-mode .alert-info {
    background: rgba(38, 94, 255, 0.15);
    border-color: var(--accent-blue);
}

body.dark-mode .alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--accent-green);
}

body.dark-mode .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--accent-yellow);
}

body.dark-mode .alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--accent-red);
}

body.dark-mode .nav-link {
    background: #1a1a1d;
    color: #e5e7eb;
}

body.dark-mode .nav-link:hover {
    background: #222225;
}

body.dark-mode .back-to-top {
    background: linear-gradient(135deg, #833AB4, #C13584);
}

body.dark-mode .hero-subtitle {
    color: #9ca3af;
}

body.dark-mode strong {
    color: #f8f9fa;
}

body.dark-mode .highlight {
    background: linear-gradient(135deg, rgba(131, 58, 180, 0.3), rgba(193, 53, 132, 0.3));
    color: #f8f9fa;
}

body.dark-mode .alert ul,
body.dark-mode .alert li {
    color: #d1d5db;
}

body.dark-mode .stat-number,
body.dark-mode .stat-label {
    color: #f8f9fa;
}

body.dark-mode .card-gradient {
    background: linear-gradient(135deg, #1a1a1d 0%, #222225 100%) !important;
}

/* Fluxo de requisição - cards numerados */
body.dark-mode .card[style*="linear-gradient"] {
    background: linear-gradient(135deg, #1a1a1d 0%, #222225 100%) !important;
}

body.dark-mode div[style*="border-left: 4px solid"] {
    background: rgba(131, 58, 180, 0.1) !important;
}

body.dark-mode div[style*="border-left: 4px solid"] strong {
    color: #f8f9fa;
}

body.dark-mode div[style*="border-left: 4px solid"] span[style*="color: var(--text-light)"] {
    color: #9ca3af !important;
}

body.dark-mode div[style*="background: rgba"] {
    filter: brightness(0.3);
}

body.dark-mode div[style*="background: rgba"] strong,
body.dark-mode div[style*="background: rgba"] span {
    filter: brightness(3);
}

body.dark-mode div[style*="font-family: 'Fira Code'"] {
    color: #e5e7eb;
}

body.dark-mode div[style*="font-family: 'Fira Code'"] strong {
    color: #f8f9fa;
}

body.dark-mode div[style*="font-family: 'Fira Code'"] span[style*="font-size: 24px"] {
    filter: none;
}

body.dark-mode .comment {
    color: #6b7280 !important;
}

body.dark-mode pre {
    color: #d4d4d4 !important;
}

/* Estilos inline que precisam ser sobrescritos no dark mode */
body.dark-mode p[style*="color: var(--text-light)"],
body.dark-mode span[style*="color: var(--text-light)"] {
    color: #9ca3af !important;
}

body.dark-mode strong[style*="color:"] {
    opacity: 0.95;
}

body.dark-mode div[style*="color: var(--text-light)"] {
    color: #9ca3af !important;
}

body.dark-mode span[style*="color: #999"] {
    color: #6b7280 !important;
}

/* Todos os elementos dentro de cards devem ter texto claro */
body.dark-mode .card * {
    color: #d1d5db;
}

body.dark-mode .card strong {
    color: #f8f9fa;
}

body.dark-mode .card h1,
body.dark-mode .card h2,
body.dark-mode .card h3,
body.dark-mode .card h4 {
    color: #f8f9fa;
}

/* Alertas devem ter texto claro */
body.dark-mode .alert * {
    color: #d1d5db;
}

body.dark-mode .alert strong {
    color: #f8f9fa;
}

/* Badge de tempo de leitura */
body.dark-mode .reading-time-badge {
    background: rgba(131, 58, 180, 0.2) !important;
    color: #e5a9ff !important;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .main-article-wrapper {
        padding: var(--space-md);
    }
    
    .hero-section {
        padding: var(--space-xl) var(--space-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .section-container {
        padding: 0 var(--space-md);
    }
    
    .section-content {
        padding: var(--space-lg);
        border-radius: var(--radius-md);
    }
    
    .section-nav {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .code-block {
        padding: var(--space-md);
        margin: var(--space-md) 0;
        border-radius: var(--radius-md);
    }
    
    .code-block pre {
        font-size: 12px;
        overflow-x: auto;
    }
    
    .card {
        padding: var(--space-md);
        border-radius: var(--radius-md);
    }
    
    .feature-card {
        padding: var(--space-md);
    }
    
    .alert {
        padding: var(--space-sm) var(--space-md);
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .main-article-wrapper {
        padding: var(--space-xs);
    }
    
    .hero-section {
        padding: var(--space-lg) var(--space-xs);
    }
    
    .section-container {
        padding: 0 var(--space-xs);
    }
    
    .section-content {
        padding: var(--space-md);
        border-radius: var(--radius-sm);
    }
    
    .hero-badge {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .title-lg {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .code-block {
        padding: var(--space-sm);
        margin: var(--space-sm) 0;
    }
    
    .code-block pre {
        font-size: 11px;
        line-height: 1.5;
    }
    
    .card {
        padding: var(--space-sm);
        margin-bottom: var(--space-md);
    }
    
    .feature-card {
        padding: var(--space-sm);
    }
    
    .alert {
        padding: var(--space-sm);
        font-size: 13px;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .alert ul {
        margin-left: var(--space-md);
    }
    
    .features-grid {
        gap: var(--space-sm);
    }
    
    .hero-stats {
        gap: var(--space-md);
        flex-wrap: wrap;
    }
    
    .stat-item {
        min-width: 100px;
    }
}

/* ===== AUDIO PLAYER ===== */
.instagram-audio-player {
    margin: 2rem 0;
    font-family: var(--font-body);
    width: 100%;
    max-width: 100%;
    position: relative;
    z-index: 10;
}

.audio-player-container {
    background: var(--white);
    border: 1px solid rgba(131, 58, 180, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

body.dark-mode .audio-player-container {
    background: #1a1a1d;
    border-color: rgba(131, 58, 180, 0.3);
}

.audio-player-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-instagram);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.audio-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.audio-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-instagram);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    box-shadow: var(--shadow-instagram);
}

.audio-info h3 {
    margin: 0;
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-display);
}

body.dark-mode .audio-info h3 {
    color: #f8f9fa;
}

.audio-info p {
    margin: 0.25rem 0 0 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.play-btn {
    width: 56px;
    height: 56px;
    background: var(--gradient-instagram);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-instagram);
}

.play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(131, 58, 180, 0.4);
}

.play-btn.playing {
    background: var(--gradient-primary);
}

.progress-container {
    flex: 1;
    position: relative;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

body.dark-mode .progress-bar {
    background: #2d2d30;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-instagram);
    border-radius: var(--radius-sm);
    width: 0%;
    transition: width 0.1s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--instagram-purple);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(131, 58, 180, 0.4);
}

.time-display {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    min-width: 80px;
    text-align: right;
}

.speed-controls {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.speed-btn {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-soft);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

body.dark-mode .speed-btn {
    background: #2d2d30;
    border-color: #3d3d40;
    color: #e5e7eb;
}

.speed-btn:hover {
    background: #e5e7eb;
    border-color: #cbd5e1;
}

body.dark-mode .speed-btn:hover {
    background: #3d3d40;
    border-color: #4d4d50;
}

.speed-btn.active {
    background: var(--gradient-instagram);
    color: var(--white);
    border-color: transparent;
}

.audio-element {
    display: none;
}

@media (max-width: 768px) {
    .audio-player-container {
        padding: var(--space-md);
    }
    
    .audio-controls {
        gap: var(--space-sm);
    }
    
    .play-btn {
        width: 48px;
        height: 48px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .audio-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }
    
    .audio-controls {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .progress-container {
        width: 100%;
        order: 3;
    }
    
    .time-display {
        order: 2;
        text-align: center;
    }
}