/* Binance Clone Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0b0e11;
    --card-bg: #1e2329;
    --primary-color: #f0b90b; /* Binance Yellow */
    --text-color: #eaecef;
    --text-muted: #848e9c;
    --success: #0ecb81;
    --danger: #f6465d;
    --border-color: #2b3139;
    --hover-bg: #2b3139;
    --glass: rgba(30, 35, 41, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #000;
}

.btn-primary:hover {
    background-color: #fcd535;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--hover-bg);
}

/* Hero Section */
.hero {
    padding: 100px 20px;
    text-align: center;
    background: radial-gradient(circle at top right, rgba(240, 185, 11, 0.1), transparent);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Glass Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--primary-color);
}

/* Market Table */
.market-table-container {
    max-width: 1200px;
    margin: 0 auto 50px;
    padding: 0 20px;
}

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

.market-table th, .market-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.market-table th {
    color: var(--text-muted);
    font-weight: 500;
}

.price-up { color: var(--success); }
.price-down { color: var(--danger); }

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 20px;
    padding: 20px;
    height: calc(100vh - 70px);
}

.sidebar {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background: var(--hover-bg);
    color: var(--primary-color);
}

/* Trading Panel */
.trading-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chart-container {
    flex: 1;
    background: var(--card-bg);
    border-radius: 12px;
    min-height: 400px;
    overflow: hidden;
}

.order-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
}

.order-tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.order-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
}

.order-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-color);
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.auth-form {
    width: 400px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.auth-form h2 {
    margin-bottom: 30px;
    text-align: center;
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Responsive */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
    .sidebar { display: none; }
}