/* ===================================
   QuantVantage.ai - Custom Styles
   Pastel Color Theme
   =================================== */

/* Color Palette */
:root {
    /* Pastel Primary Colors */
    --primary-pastel: #A8D5E2;        /* Soft Blue */
    --secondary-pastel: #C4A6D4;      /* Soft Purple */
    --accent-pastel: #F6C4E1;         /* Soft Pink */
    --success-pastel: #B8E6C1;        /* Soft Mint Green */
    --warning-pastel: #FFE4B5;        /* Soft Peach */
    --danger-pastel: #FFB6B9;         /* Soft Coral */
    --info-pastel: #B5E7F4;           /* Soft Sky Blue */

    /* Neutral Colors */
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
    --light-gray: #E8EEF2;
    --medium-gray: #B0BEC5;
    --dark-gray: #546E7A;
    --text-dark: #2C3E50;
    --text-muted: #607D8B;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* ===================================
   Global Styles
   =================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background: linear-gradient(135deg, #F8F9FA 0%, #E8EEF2 100%);
    min-height: 100vh;
    padding-top: 100px; /* Compensate for fixed navbar */
}

/* ===================================
   Navigation Bar
   =================================== */

.navbar {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--secondary-pastel) 100%) !important;
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    border-bottom: 3px solid rgba(255, 255, 255, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

/* Smart Header - Hide on scroll down */
.navbar.navbar-hidden {
    transform: translateY(-100%);
}

.navbar-brand {
    padding: 0.25rem 0;
}

.navbar-brand img {
    height: 65px;
    background:
        radial-gradient(ellipse at center, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.3) 100%),
        linear-gradient(135deg, rgba(230, 240, 250, 0.9), rgba(255, 230, 220, 0.92));
    padding: 0.3rem 0.5rem;
    border-radius: 10px;
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
    transition: transform var(--transition-normal);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.4);
}

.navbar-toggler {
    border: 2px solid var(--text-dark);
}

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--info-pastel);
    color: var(--text-dark);
    transform: translateX(4px);
}

/* ===================================
   Cards & Containers
   =================================== */

.card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    margin-bottom: 1.5rem;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    border: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.card-body {
    padding: 1.5rem;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    border-radius: var(--radius-sm);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    color: var(--text-dark);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #8FC5D8 0%, #9BD7EA 100%);
    color: var(--text-dark);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-pastel) 0%, #A0E0B0 100%);
    color: var(--text-dark);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-pastel) 0%, #FFD89B 100%);
    color: var(--text-dark);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-pastel) 0%, #FF9FA2 100%);
    color: var(--text-dark);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-pastel) 0%, #9BDEFA 100%);
    color: var(--text-dark);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-pastel) 0%, #B896C4 100%);
    color: var(--text-dark);
}

.btn-outline-primary {
    border: 2px solid var(--primary-pastel);
    color: var(--text-dark);
}

.btn-outline-primary:hover {
    background-color: var(--primary-pastel);
    color: var(--text-dark);
}

/* ===================================
   Badges
   =================================== */

.badge {
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.85rem;
}

.bg-primary {
    background: var(--primary-pastel) !important;
    color: var(--text-dark) !important;
}

.bg-success {
    background: var(--success-pastel) !important;
    color: var(--text-dark) !important;
}

.bg-warning {
    background: var(--warning-pastel) !important;
    color: var(--text-dark) !important;
}

.bg-danger {
    background: var(--danger-pastel) !important;
    color: var(--text-dark) !important;
}

.bg-info {
    background: var(--info-pastel) !important;
    color: var(--text-dark) !important;
}

.bg-secondary {
    background: var(--medium-gray) !important;
    color: var(--text-dark) !important;
}

/* ===================================
   Tables
   =================================== */

.table {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    color: var(--text-dark);
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(168, 213, 226, 0.1);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(248, 249, 250, 0.5);
}

/* ===================================
   Forms
   =================================== */

.form-control, .form-select {
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-pastel);
    box-shadow: 0 0 0 0.2rem rgba(168, 213, 226, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* ===================================
   Alerts
   =================================== */

.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background-color: var(--success-pastel);
    color: var(--text-dark);
}

.alert-danger, .alert-error {
    background-color: var(--danger-pastel);
    color: var(--text-dark);
}

.alert-warning {
    background-color: var(--warning-pastel);
    color: var(--text-dark);
}

.alert-info {
    background-color: var(--info-pastel);
    color: var(--text-dark);
}

/* ===================================
   Footer
   =================================== */

footer {
    background: linear-gradient(135deg, var(--secondary-pastel) 0%, var(--primary-pastel) 100%) !important;
    color: var(--text-dark) !important;
    margin-top: 4rem;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
}

footer a {
    color: var(--text-dark) !important;
    text-decoration: none;
    transition: all var(--transition-fast);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

footer a:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ===================================
   Admin Sidebar
   =================================== */

.sidebar {
    background: linear-gradient(180deg, var(--light-bg) 0%, var(--white) 100%);
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.05);
}

.sidebar .nav-link {
    color: var(--text-dark);
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    margin: 0.25rem 0.5rem;
}

.sidebar .nav-link:hover {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    color: var(--text-dark);
    font-weight: 600;
}

.sidebar-heading {
    color: var(--text-muted);
    font-weight: 600;
}

/* ===================================
   Pagination
   =================================== */

.pagination {
    gap: 0.5rem;
}

.page-link {
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-dark);
    background-color: var(--light-gray);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: var(--primary-pastel);
    color: var(--text-dark);
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background-color: var(--primary-pastel);
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   Dashboard Metric Cards
   =================================== */

.card.text-white.bg-primary {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%) !important;
    color: var(--text-dark) !important;
}

.card.text-white.bg-success {
    background: linear-gradient(135deg, var(--success-pastel) 0%, #A0E0B0 100%) !important;
    color: var(--text-dark) !important;
}

.card.text-white.bg-warning {
    background: linear-gradient(135deg, var(--warning-pastel) 0%, #FFD89B 100%) !important;
    color: var(--text-dark) !important;
}

.card.text-white.bg-info {
    background: linear-gradient(135deg, var(--info-pastel) 0%, #9BDEFA 100%) !important;
    color: var(--text-dark) !important;
}

.card.border-success {
    border: 3px solid var(--success-pastel) !important;
}

.card.border-info {
    border: 3px solid var(--info-pastel) !important;
}

.text-success {
    color: #2E7D52 !important;
}

.text-info {
    color: #2980B9 !important;
}

/* ===================================
   Utility Classes
   =================================== */

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.rounded-custom {
    border-radius: var(--radius-md);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .navbar-brand img {
        height: 40px;
    }

    .card-body {
        padding: 1rem;
    }

    .sidebar {
        position: relative !important;
        top: 0 !important;
    }
}

/* ===================================
   Animations
   =================================== */

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

.fade-in {
    animation: fadeIn 0.4s ease;
}

/* ===================================
   List Groups
   =================================== */

.list-group-item {
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    transition: all var(--transition-normal);
}

.list-group-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-pastel);
    background-color: rgba(168, 213, 226, 0.1);
}

.list-group-item.active {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    border-color: var(--primary-pastel);
    color: var(--text-dark);
}

/* ===================================
   Modals
   =================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-pastel) 0%, var(--info-pastel) 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom: none;
    color: var(--text-dark);
}

.modal-footer {
    border-top: 2px solid var(--light-gray);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ===================================
   Welcome Banner
   =================================== */

h2, h4 {
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   Code Blocks
   =================================== */

pre {
    background-color: var(--light-bg);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
}

code {
    background-color: rgba(168, 213, 226, 0.2);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: var(--text-dark);
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .navbar, footer, .sidebar, .btn, .alert {
        display: none !important;
    }
}