/* SPAiD Custom Styles - Teal Green, White, and Dark Yellow Theme */

:root {
    /* Primary Colors - Teal Green Shades */
    --spaid-primary: #00796b;
    --spaid-primary-light: #4dd0e1;
    --spaid-primary-dark: #004d40;
    --spaid-primary-darker: #00251a;
    
    /* Secondary Colors - Dark Yellow */
    --spaid-secondary: #f57f17;
    --spaid-secondary-light: #fff176;
    --spaid-secondary-dark: #bf360c;
    
    /* Semantic Colors */
    --spaid-success: #00695c;
    --spaid-warning: #ff8f00;
    --spaid-danger: #d32f2f;
    --spaid-info: #0097a7;
    --spaid-light: #ffffff;
    --spaid-dark: #004d40;
    
    /* Neutral Colors */
    --spaid-white: #ffffff;
    --spaid-gray-50: #f8f9fa;
    --spaid-gray-100: #e9ecef;
    --spaid-gray-500: #6c757d;
    --spaid-gray-900: #212529;
    
    --spaid-border-radius: 0.375rem;
    --spaid-box-shadow: 0 0.125rem 0.25rem rgba(0, 121, 107, 0.075);
    --spaid-box-shadow-lg: 0 0.5rem 1rem rgba(0, 121, 107, 0.15);
}

/* Layout */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, var(--spaid-white) 0%, #e0f2f1 50%, var(--spaid-gray-50) 100%);
    color: var(--spaid-dark);
    min-height: 100vh;
}

.hero-section {
    background: linear-gradient(135deg, var(--spaid-primary-dark) 0%, var(--spaid-primary) 50%, var(--spaid-primary-light) 100%);
    position: relative;
    overflow: hidden;
    border-bottom: 3px solid var(--spaid-secondary);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-icon {
    position: relative;
    z-index: 1;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--spaid-border-radius);
    box-shadow: var(--spaid-box-shadow);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    background: var(--spaid-white);
    border-top: 3px solid var(--spaid-primary);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--spaid-box-shadow-lg);
    border-top-color: var(--spaid-secondary);
}

.card-header {
    border-bottom: 1px solid var(--spaid-gray-100);
    background: linear-gradient(135deg, var(--spaid-primary-light), var(--spaid-primary)) !important;
    color: var(--spaid-white);
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: var(--spaid-border-radius);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--spaid-primary) 0%, var(--spaid-primary-dark) 100%);
    border-color: var(--spaid-primary);
    color: var(--spaid-white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--spaid-primary-dark) 0%, var(--spaid-primary-darker) 100%);
    border-color: var(--spaid-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 121, 107, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--spaid-secondary) 0%, var(--spaid-secondary-dark) 100%);
    border-color: var(--spaid-secondary);
    color: var(--spaid-white);
}

.btn-warning:hover {
    background: linear-gradient(135deg, var(--spaid-secondary-dark) 0%, #8f2900 100%);
    border-color: var(--spaid-secondary-dark);
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(245, 127, 23, 0.3);
}

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

.btn-success:hover {
    background-color: #004d43;
    border-color: #004d43;
    transform: translateY(-1px);
}

.btn:hover {
    transform: translateY(-1px);
}

/* Navigation Styles */
.navbar {
    box-shadow: 0 2px 20px rgba(0, 121, 107, 0.1);
}

.navbar-brand:hover {
    transform: scale(1.05);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff176 !important;
    transform: translateY(-2px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: #f57f17;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
    left: 0;
}

.navbar-nav .nav-link {
    position: relative;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--spaid-border-radius);
    border: 1px solid #dee2e6;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--spaid-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-control-lg {
    padding: 0.75rem 1rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}

/* Badges */
.badge {
    font-size: 0.8em;
    padding: 0.35em 0.65em;
    border-radius: 0.25rem;
}

/* Ask Page Specific */
.ask-page .answer-box {
    border-left: 4px solid var(--spaid-primary);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    animation: fadeInUp 0.5s ease-out;
}

.confidence-bar {
    height: 8px;
    border-radius: 4px;
    background: #e9ecef;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    transition: width 0.8s ease-out;
    background: linear-gradient(90deg, #dc3545 0%, #ffc107 50%, #198754 100%);
}

.source-badge {
    font-size: 0.75rem;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.login-page .card {
    border: none;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* Admin Layout */
.admin-layout {
    background-color: #f5f5f5;
}

.admin-layout .navbar {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* Tables */
.table {
    background-color: white;
}

.table-hover tbody tr:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.075);
}

.table th {
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
    background-color: var(--spaid-light);
}

/* Pagination */
.pagination .page-link {
    border-radius: var(--spaid-border-radius);
    margin: 0 0.125rem;
    border: 1px solid #dee2e6;
    color: var(--spaid-primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--spaid-primary);
    border-color: var(--spaid-primary);
}

/* Utilities */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .btn,
    .card-header,
    .pagination {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    body {
        background: white !important;
    }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
    :root {
        --spaid-light: #343a40;
        --spaid-dark: #f8f9fa;
    }
    
    body {
        background-color: #121212;
        color: #ffffff;
    }
    
    .card {
        background-color: #1e1e1e;
        color: #ffffff;
    }
    
    .table {
        background-color: #1e1e1e;
        color: #ffffff;
    }
    
    .form-control,
    .form-select {
        background-color: #2d2d2d;
        border-color: #404040;
        color: #ffffff;
    }
    
    .form-control:focus,
    .form-select:focus {
        background-color: #2d2d2d;
        border-color: var(--spaid-primary);
        color: #ffffff;
    }
}