/* Liquid Glass Morphism Styles */

:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --accent-color: #4f9cf9;
    --accent-hover: #3a7bd5;
    --danger-color: #ff6b6b;
    --success-color: #51cf66;
    --warning-color: #ffd43b;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    background-image: url('/static/images/liquiddark.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--text-primary);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(79, 156, 249, 0.3) 0%, rgba(58, 123, 213, 0.3) 100%);
    z-index: -1;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
    padding: 2rem;
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.2);
}

/* Glass Button */
.glass-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    text-decoration: none;
}

.glass-btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border: none;
}

.glass-btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-color) 100%);
}

.glass-btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #ee5a52 100%);
    border: none;
}

.glass-btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #40c057 100%);
    border: none;
}

/* Glass Input */
.glass-input {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 16px;
    width: 100%;
    transition: all 0.3s ease;
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.glass-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(79, 156, 249, 0.2);
}

.glass-textarea {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 16px;
    width: 100%;
    min-height: 120px;
    resize: vertical;
    transition: all 0.3s ease;
    font-family: inherit;
}

.glass-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.glass-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(79, 156, 249, 0.2);
}

.glass-select {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 16px;
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.glass-select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(79, 156, 249, 0.2);
}

/* Glass Table */
.glass-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.glass-table thead {
    background: rgba(255, 255, 255, 0.1);
}

.glass-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--glass-border);
}

.glass-table td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.glass-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.1);
}

.glass-table tbody tr:last-child td {
    border-bottom: none;
}

/* Navigation */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    gap: 1rem;
    list-style: none;
}

.navbar-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.alert-success {
    background: rgba(81, 207, 102, 0.2);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(255, 107, 107, 0.2);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(79, 156, 249, 0.2);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.badge-success {
    background: rgba(81, 207, 102, 0.2);
    border-color: var(--success-color);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(255, 107, 107, 0.2);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(255, 212, 59, 0.2);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Chart Container */
.chart-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 1rem;
    opacity: 0.5;
}