/* ===== CRYPTO INVESTMENT PLATFORM - TEMA ESCURO PREMIUM ===== */

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais - Tema Cripto */
    --primary-crypto: #00d4ff;
    --secondary-crypto: #ff6b6b;
    --bitcoin-gold: #f7931a;
    --ethereum-blue: #627eea;
    --usdt-green: #26a17b;
    --cardano-purple: #0033ad;
    --polkadot-pink: #e6007a;
    
    /* Tema escuro premium */
    --dark-bg: #0a0a0f;
    --dark-card: #1a1a2e;
    --dark-surface: #16213e;
    --dark-border: #2a2a3e;
    --dark-hover: #2d3748;
    
    /* Textos */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-muted: #94a3b8;
    --text-accent: #00d4ff;
    
    /* Gradientes premium */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ff4757 100%);
    --gradient-bitcoin: linear-gradient(135deg, #f7931a 0%, #ff9500 100%);
    --gradient-ethereum: linear-gradient(135deg, #627eea 0%, #4c63d2 100%);
    --gradient-usdt: linear-gradient(135deg, #26a17b 0%, #1a8c6b 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    
    /* Sombras e efeitos */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-bitcoin: 0 0 20px rgba(247, 147, 26, 0.3);
    --shadow-ethereum: 0 0 20px rgba(98, 126, 234, 0.3);
    
    /* Animações */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-crypto);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bitcoin-gold);
}

/* Base do corpo */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--dark-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
}

.navbar-brand i {
    font-size: 2.5rem;
    background: var(--gradient-bitcoin);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}

.navbar-brand span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary-crypto);
    background: rgba(0, 212, 255, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Botões premium */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-bitcoin {
    background: var(--gradient-bitcoin);
    color: white;
    box-shadow: var(--shadow-bitcoin);
}

.btn-bitcoin:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-bitcoin);
}

.btn-ethereum {
    background: var(--gradient-ethereum);
    color: white;
    box-shadow: var(--shadow-ethereum);
}

.btn-ethereum:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-ethereum);
}

.btn-secondary {
    background: var(--dark-card);
    color: var(--text-primary);
    border: 2px solid var(--dark-border);
}

.btn-secondary:hover {
    background: var(--dark-hover);
    border-color: var(--primary-crypto);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 140px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(247, 147, 26, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto 80px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 32px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-crypto) 50%, var(--bitcoin-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-description {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* Estatísticas do hero */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.stat-item {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-crypto);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 100px 0;
    background: var(--dark-surface);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 80px;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(247, 147, 26, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-crypto);
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    position: relative;
    z-index: 2;
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

/* ===== CRYPTO PRICES SECTION ===== */
.crypto-prices {
    padding: 100px 0;
    background: var(--dark-bg);
}

/* Indicadores de mercado */
.market-indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.indicator-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.indicator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.indicator-card:hover::before {
    transform: scaleX(1);
}

.indicator-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-crypto);
}

.indicator-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.indicator-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.crypto-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    padding: 30px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.crypto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all var(--transition-normal);
}

.crypto-card.bitcoin::before {
    background: var(--gradient-bitcoin);
}

.crypto-card.ethereum::before {
    background: var(--gradient-ethereum);
}

.crypto-card.tether::before {
    background: var(--gradient-usdt);
}

.crypto-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.crypto-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.crypto-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.crypto-icon.bitcoin {
    background: var(--gradient-bitcoin);
}

.crypto-icon.ethereum {
    background: var(--gradient-ethereum);
}

.crypto-icon.tether {
    background: var(--gradient-usdt);
}

.crypto-info h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.crypto-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.crypto-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.crypto-change {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.crypto-change.positive {
    color: #00ff88;
}

.crypto-change.negative {
    color: #ff4757;
}

/* Detalhes das criptomoedas */
.crypto-details {
    margin: 20px 0;
    padding: 15px;
    background: var(--dark-surface);
    border-radius: 12px;
    border: 1px solid var(--dark-border);
}

.crypto-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.crypto-stat:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.crypto-stat .stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.crypto-stat .stat-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

.crypto-stat .stat-value.market-cap {
    color: var(--primary-crypto);
}

.crypto-stat .stat-value.volume {
    color: var(--bitcoin-gold);
}

.crypto-stat .stat-value.rank {
    color: var(--ethereum-blue);
}

/* Status de conexão */
.connection-status {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 25px;
    margin-top: 40px;
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 15px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff4757;
    box-shadow: 0 0 10px rgba(255, 71, 87, 0.5);
    transition: all var(--transition-normal);
}

.last-update {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
}

/* ===== TRADING SECTION ===== */
.trading-section {
    padding: 100px 0;
    background: var(--dark-surface);
}

.trading-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.trading-content h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trading-content p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.trading-features {
    display: grid;
    gap: 20px;
}

.trading-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--dark-card);
    border-radius: 12px;
    border: 1px solid var(--dark-border);
    transition: all var(--transition-normal);
}

.trading-feature:hover {
    border-color: var(--primary-crypto);
    transform: translateX(10px);
}

.trading-feature i {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.trading-feature span {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.trading-chart {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--dark-border);
    position: relative;
    overflow: hidden;
}

.chart-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--dark-hover) 0%, var(--dark-border) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* ===== CTA SECTION ===== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(247, 147, 26, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="rgba(0,212,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 3.5rem;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-crypto) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-section h4 {
    color: var(--text-primary);
    font-size: 1.4rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 15px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section ul li a:hover {
    color: var(--primary-crypto);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    color: var(--text-secondary);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid var(--dark-border);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--dark-border);
    color: var(--text-muted);
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .trading-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .navbar-menu {
        display: none;
    }
    
    .navbar-toggle {
        display: flex;
    }
}

/* ===== EFEITOS ESPECIAIS ===== */
.glow-effect {
    position: relative;
}

.glow-effect::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    filter: blur(20px);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.glow-effect:hover::after {
    opacity: 0.3;
}

/* Loading spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--dark-border);
    border-top: 4px solid var(--primary-crypto);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tooltip personalizado */
.tooltip {
    position: absolute;
    background: var(--dark-card);
    color: var(--text-primary);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-border);
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tooltip.show {
    opacity: 1;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--dark-card);
}