/* Modern Stock Dashboard Styles */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --hover-bg: #334155;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--dark-bg);
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Container */
.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: var(--gradient-1);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".2" fill="white"/></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.1;
}

.header-content {
    position: relative;
    z-index: 1;
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    font-weight: 400;
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Login Card */
.login-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    padding: 12px 16px;
    background: var(--dark-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Status Badge */
.status-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.status-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.status-badge.connected {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.status-badge.disconnected {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
}

.status-badge.connecting {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border: 2px solid var(--warning-color);
}

/* Tabs */
.tabs-container {
    background: var(--card-bg);
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.tabs {
    display: flex;
    background: var(--dark-bg);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    padding: 20px 30px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    position: relative;
}

.tab:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--card-bg);
}

.tab-badge {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 8px;
}

/* Table */
.table-container {
    padding: 30px;
    overflow-x: auto;
}

.stock-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.stock-table thead th {
    background: var(--dark-bg);
    padding: 15px;
    text-align: left;
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.stock-table tbody tr {
    background: var(--dark-bg);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.stock-table tbody tr:hover {
    background: var(--hover-bg);
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

.stock-table tbody td {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stock-table tbody tr td:first-child {
    border-left: 1px solid var(--border-color);
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.stock-table tbody tr td:last-child {
    border-right: 1px solid var(--border-color);
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

.stock-symbol {
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.stock-name {
    color: var(--text-primary);
    font-weight: 500;
}

.price {
    font-weight: 700;
    font-size: 1.1rem;
}

.change-positive {
    color: var(--success-color);
    font-weight: 700;
}

.change-negative {
    color: var(--danger-color);
    font-weight: 700;
}

.change-neutral {
    color: var(--text-secondary);
}

.market-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.market-status.open {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.market-status.closed {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.last-update {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px 30px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.75rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        flex-wrap: nowrap;
        overflow-x: scroll;
    }
    
    .table-container {
        padding: 15px;
    }
    
    .stock-table {
        font-size: 0.875rem;
    }
    
    .stock-table thead th,
    .stock-table tbody td {
        padding: 10px;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Price Flash Animation */
@keyframes priceFlash {
    0%, 100% { background: transparent; }
    50% { background: rgba(99, 102, 241, 0.2); }
}

.price-flash {
    animation: priceFlash 0.5s ease-in-out;
}