/* Modern UI Style - Coconala-inspired Design */

:root {
    /* Light mode colors */
    --primary-color: #00BFA5;
    --primary-hover: #00A693;
    --secondary-color: #6C63FF;
    --danger-color: #FF5252;
    --warning-color: #FFC107;
    --success-color: #4CAF50;
    --info-color: #2196F3;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-tertiary: #FFFFFF;
    
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-tertiary: #ADB5BD;
    
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

[data-theme="dark"] {
    /* Dark mode colors */
    --primary-color: #00BFA5;
    --primary-hover: #00E5CC;
    --secondary-color: #7C72FF;
    --danger-color: #FF6B6B;
    --warning-color: #FFD93D;
    --success-color: #6BCF7F;
    --info-color: #4FC3F7;
    
    --bg-primary: #000000;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #000000;
    
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-tertiary: #808080;
    
    --border-color: #333333;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation Header */
.nav-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle-icon {
    font-size: 20px;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--bg-secondary);
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Buttons - Modern rounded rectangle design */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    min-width: 120px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(0, 191, 165, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    box-shadow: var(--shadow-sm);
}

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

.btn-danger:hover {
    background: #FF3838;
    box-shadow: 0 4px 12px rgba(255, 82, 82, 0.3);
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    min-width: 80px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
    min-width: 160px;
}

.btn-full {
    width: 100%;
}

/* Form Elements */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
}

.form-control:disabled {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.dashboard-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.dashboard-card:hover::before {
    transform: translateY(0);
}

.dashboard-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.dashboard-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.dashboard-card-description {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-primary {
    background: rgba(0, 191, 165, 0.1);
    color: var(--primary-color);
}

.badge-danger {
    background: rgba(255, 82, 82, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
}

.badge-success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    border-radius: var(--radius-xl);
    padding: 4px 8px;
    font-size: 11px;
    font-weight: bold;
    min-width: 24px;
    text-align: center;
}

/* User Avatar */
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 16px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-info {
    background: rgba(33, 150, 243, 0.1);
    color: var(--info-color);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(76, 175, 80, 0.2);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.alert-danger {
    background: rgba(255, 82, 82, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(255, 82, 82, 0.2);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table th {
    background: var(--bg-secondary);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table tr:hover {
    background: var(--bg-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-actions {
        gap: 8px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .card {
        padding: 16px;
    }
}

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

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

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

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

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 60px;
    height: 30px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: background 0.3s ease;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
    transform: translateX(30px);
}

.toggle-switch input:checked ~ .toggle-switch {
    background: var(--primary-color);
}