/* Lumera Design System - Inspired by https://www.lumera.com */

:root {
    /* Primary Colors */
    --lumera-primary: #255970;
    --lumera-primary-dark: #1a3d4d;
    --lumera-secondary: #79B0B8;
    --lumera-secondary-light: #a3c9cf;
    
    /* Gradient Colors */
    --lumera-gradient-start: #79B0B8;
    --lumera-gradient-end: #055A73;
    
    /* Text Colors */
    --lumera-text-primary: #505050;
    --lumera-text-secondary: #6c757d;
    --lumera-text-light: #999;
    
    /* Background Colors */
    --lumera-bg-light: #f8f9fa;
    --lumera-bg-white: #ffffff;
    --lumera-bg-dark: #2f2f5f;
    
    /* Border Colors */
    --lumera-border: #e0e0e0;
    --lumera-border-light: #f0f0f0;
    
    /* Status Colors */
    --lumera-success: #28a745;
    --lumera-warning: #ffc107;
    --lumera-danger: #dc3545;
    --lumera-info: #17a2b8;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 10px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 30px rgba(0,0,0,0.12);
    --shadow-hover: 0 6px 16px rgba(37, 89, 112, 0.3);
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--lumera-bg-light);
    color: var(--lumera-text-primary);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--lumera-primary);
    font-weight: 500;
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

a {
    color: var(--lumera-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--lumera-secondary);
}

/* Container Styles */
.lumera-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.lumera-card {
    background: var(--lumera-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.lumera-card-header {
    background: linear-gradient(135deg, var(--lumera-gradient-start) 0%, var(--lumera-gradient-end) 100%);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
}

.lumera-card-header h1,
.lumera-card-header h2,
.lumera-card-header h3 {
    color: white;
    margin: 0;
}

.lumera-card-body {
    padding: var(--spacing-lg);
}

/* Form Styles */
.form-label {
    font-weight: 500;
    color: var(--lumera-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    display: block;
}

.form-control, .form-select {
    border: 1px solid var(--lumera-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    width: 100%;
}

.form-control:focus, .form-select:focus {
    border-color: var(--lumera-secondary);
    box-shadow: 0 0 0 3px rgba(121, 176, 184, 0.1);
    outline: none;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-text {
    color: var(--lumera-text-secondary);
    font-size: 13px;
    margin-top: 6px;
    display: block;
}

.form-check-input:checked {
    background-color: var(--lumera-primary);
    border-color: var(--lumera-primary);
}

.form-check-label {
    color: var(--lumera-text-primary);
    font-size: 15px;
    margin-left: 8px;
}

/* Button Styles */
.btn {
    border-radius: var(--radius-md);
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--lumera-gradient-start) 0%, var(--lumera-gradient-end) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 89, 112, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--lumera-gradient-end) 0%, var(--lumera-primary) 100%);
    color: white;
}

.btn-secondary {
    background: white;
    border: 2px solid var(--lumera-primary);
    color: var(--lumera-primary);
}

.btn-secondary:hover {
    background: var(--lumera-primary);
    color: white;
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: #218838;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-1px);
}

.btn-warning {
    background: var(--lumera-warning);
    color: #212529;
}

.btn-warning:hover {
    background: #e0a800;
    transform: translateY(-1px);
}

.btn-info {
    background: white;
    border: 2px solid var(--lumera-info);
    color: var(--lumera-info);
}

.btn-info:hover {
    background: var(--lumera-info);
    color: white;
    transform: translateY(-1px);
}

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

.btn-lg {
    padding: 16px 36px;
    font-size: 18px;
}

/* Alert Styles */
.alert {
    border-radius: var(--radius-md);
    border: none;
    padding: 16px 20px;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Table Styles */
.table {
    width: 100%;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background: linear-gradient(135deg, var(--lumera-gradient-start) 0%, var(--lumera-gradient-end) 100%);
    color: white;
}

.table thead th {
    padding: 16px;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.5px;
    border: none;
}

.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--lumera-border-light);
    color: var(--lumera-text-primary);
}

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

.table tbody tr:hover {
    background-color: var(--lumera-bg-light);
}

/* Navigation Styles */
.lumera-nav {
    background: linear-gradient(135deg, var(--lumera-gradient-start) 0%, var(--lumera-gradient-end) 100%);
    box-shadow: var(--shadow-md);
    padding: 0;
}

.lumera-nav .navbar-brand {
    color: white;
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.lumera-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 12px 20px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.lumera-nav .nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.dashboard-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-left: 4px solid var(--lumera-primary);
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    color: var(--lumera-primary);
}

.dashboard-card .stat-number {
    font-size: 36px;
    font-weight: 600;
    color: var(--lumera-secondary);
    margin: var(--spacing-sm) 0;
}

.dashboard-card .stat-label {
    color: var(--lumera-text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Badge Styles */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

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

.badge-warning {
    background-color: var(--lumera-warning);
    color: #212529;
}

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

.badge-info {
    background-color: var(--lumera-info);
    color: white;
}

.badge-secondary {
    background-color: var(--lumera-text-secondary);
    color: white;
}

/* Section Divider */
.section-divider {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--lumera-border), transparent);
    margin: var(--spacing-lg) 0;
}

/* Checkbox Group */
.checkbox-group {
    background: var(--lumera-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
}

.form-check {
    padding: 12px 16px;
    margin-bottom: 8px;
    background: white;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.form-check:hover {
    background: #f8f9fa;
}

.form-check-input {
    margin-top: 0.25rem;
    margin-right: 12px;
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* Action Buttons Group */
.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--lumera-gradient-start) 0%, var(--lumera-gradient-end) 100%);
    color: white;
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.page-header h1 {
    color: white;
    margin: 0;
    font-size: 36px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    margin: var(--spacing-sm) 0 0 0;
    font-size: 16px;
}

/* Footer */
.lumera-footer {
    background: var(--lumera-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.lumera-footer a {
    color: var(--lumera-secondary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }