/**
 * Tedarik Portal - Main Stylesheet
 * Modern, clean design with blue/gold accent colors
 */

/* =====================================================
   CSS VARIABLES
   ===================================================== */
:root {
    /* Primary Colors */
    --primary: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3399FF;
    
    /* Secondary/Accent Colors */
    --secondary: #1A1A2E;
    --accent: #D4A84B;
    --accent-light: #E8C97B;
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

/* =====================================================
   BASE STYLES
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

.text-muted { color: var(--gray-500) !important; }
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand img {
    transition: transform var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.02);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    background-color: var(--gray-100);
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-lg {
    width: 56px;
    height: 56px;
}

.avatar-text {
    color: white;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-badge:empty {
    display: none;
}

/* Notification Dropdown */
.notification-dropdown {
    width: 350px;
    max-height: 400px;
    overflow-y: auto;
    padding: 0;
}

.notification-dropdown .dropdown-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-dark));
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--secondary);
    border: none;
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

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

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border: none;
    color: var(--gray-900);
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
}

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

.card-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
}

/* Stats Card */
.stats-card {
    position: relative;
    overflow: hidden;
}

.stats-card .stats-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stats-card .stats-icon.primary {
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary);
}

.stats-card .stats-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stats-card .stats-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stats-card .stats-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.stats-card .stats-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stats-card .stats-label {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

/* =====================================================
   FORMS
   ===================================================== */
.form-control,
.form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-text {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.input-group-text {
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
}

/* =====================================================
   BADGES
   ===================================================== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
}

.badge .icon-xs {
    width: 14px;
    height: 14px;
}

/* =====================================================
   TABLES
   ===================================================== */
.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    padding: var(--spacing-md);
    white-space: nowrap;
}

.table tbody td {
    padding: var(--spacing-md);
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, #16213E 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.hero h1 {
    color: white;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.hero .lead {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--secondary);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    color: white !important;
}

/* =====================================================
   SIDEBAR (Dashboard)
   ===================================================== */
.sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid var(--gray-200);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-brand {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-nav {
    padding: var(--spacing-md);
}

.sidebar-nav .nav-item {
    margin-bottom: var(--spacing-xs);
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600) !important;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-nav .nav-link:hover,
.sidebar-nav .nav-link.active {
    background: var(--gray-100);
    color: var(--primary) !important;
}

.sidebar-nav .nav-link.active {
    background: rgba(0, 102, 204, 0.1);
    font-weight: 500;
}

.sidebar-nav .nav-link svg {
    width: 20px;
    height: 20px;
}

/* Main Content with Sidebar */
.main-content {
    margin-left: 260px;
    min-height: 100vh;
}

/* =====================================================
   REQUEST CARD
   ===================================================== */
.request-card {
    border-left: 4px solid var(--primary);
    transition: all var(--transition);
}

.request-card:hover {
    border-left-color: var(--accent);
    transform: translateX(4px);
}

.request-card .deadline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.request-card .deadline.urgent {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* =====================================================
   QUOTE COMPARISON TABLE
   ===================================================== */
.quote-comparison {
    overflow-x: auto;
}

.quote-comparison table th:first-child,
.quote-comparison table td:first-child {
    position: sticky;
    left: 0;
    background: white;
    z-index: 1;
}

.quote-comparison .best-price {
    background: rgba(16, 185, 129, 0.1);
}

.quote-comparison .best-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* =====================================================
   STAR RATING
   ===================================================== */
.star-rating {
    display: inline-flex;
    gap: 2px;
}

.star-rating .star {
    color: var(--gray-300);
    width: 16px;
    height: 16px;
}

.star-rating .star.filled {
    color: var(--accent);
    fill: var(--accent);
}

/* =====================================================
   UTILITIES
   ===================================================== */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--secondary), #16213E);
}

.border-accent {
    border-color: var(--accent) !important;
}

.icon-xs { width: 16px; height: 16px; }
.icon-sm { width: 20px; height: 20px; }
.icon-md { width: 24px; height: 24px; }
.icon-lg { width: 32px; height: 32px; }
.icon-xl { width: 48px; height: 48px; }

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

.fade-in {
    animation: fadeIn var(--transition-slow) ease forwards;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 767.98px) {
    .notification-dropdown {
        width: 100%;
        max-width: 320px;
    }
    
    .stats-card .stats-value {
        font-size: var(--font-size-2xl);
    }
}