/* assets/css/style.css - Binance Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --binance-yellow: #F0B90B;
    --binance-dark: #1E2329;
    --binance-gray: #2B3139;
    --binance-light-gray: #3B414A;
    --text-light: #EAECEF;
    --text-dark: #1E2329;
    --success: #0ECB81;
    --danger: #F6465D;
    --warning: #F0B90B;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--binance-dark);
    color: var(--text-light);
    line-height: 1.6;
}

/* Login Page */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--binance-dark) 0%, #0B0E11 100%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: var(--binance-gray);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 40px;
}

.logo h1 {
    font-size: 28px;
    color: var(--binance-yellow);
}

.subtitle {
    color: #848E9C;
    font-size: 14px;
}

/* Forms */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--binance-dark);
    border: 1px solid var(--binance-light-gray);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 14px;
    transition: all 0.3s;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--binance-yellow);
}

/* Buttons */
.btn-primary {
    background: var(--binance-yellow);
    color: var(--binance-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(240,185,11,0.3);
}

.btn-secondary {
    background: var(--binance-gray);
    color: var(--text-light);
    border: 1px solid var(--binance-light-gray);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
}

.btn-danger {
    background: var(--danger);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.btn-success {
    background: var(--success);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
}

.btn-block {
    width: 100%;
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-error {
    background: rgba(246,70,93,0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background: rgba(14,203,129,0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--binance-gray);
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--binance-light-gray);
    margin-bottom: 20px;
}

.sidebar-header h3 {
    color: var(--binance-yellow);
}

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

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--binance-yellow);
    color: var(--binance-dark);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
}

/* Top Bar */
.top-bar {
    background: var(--binance-gray);
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.notification-icon {
    position: relative;
    cursor: pointer;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -10px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
}

/* Cards */
.card {
    background: var(--binance-gray);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--binance-light-gray);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--binance-light-gray);
}

th {
    background: var(--binance-dark);
    color: var(--binance-yellow);
}

tr:hover {
    background: rgba(240,185,11,0.05);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--binance-gray);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--binance-yellow);
}

/* Bottom Navigation (Mobile) */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--binance-gray);
    padding: 10px;
    justify-content: space-around;
    z-index: 1000;
}

.bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 12px;
}

.bottom-nav a.active {
    color: var(--binance-yellow);
}

.bottom-nav .nav-icon {
    font-size: 24px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding-bottom: 70px;
    }
    
    .bottom-nav {
        display: flex;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-card {
        padding: 20px;
    }
}

/* Number Grid */
.number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.number-card {
    background: var(--binance-dark);
    padding: 15px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.number-card:hover {
    background: var(--binance-yellow);
    color: var(--binance-dark);
}

/* Loading */
.loading {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--binance-light-gray);
    border-top-color: var(--binance-yellow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}