/* Parichessmaster - Custom CSS */

/* CSS Variables */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --white-color: #ffffff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.3s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: 700;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #0b5ed7;
    text-decoration: none;
}

/* Navigation */
.navbar {
    transition: var(--transition);
    padding: 1rem 0;
}

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

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

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

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    background-color: var(--light-color);
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    background-color: var(--primary-color);
    color: var(--white-color) !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="30" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="30" cy="80" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="70" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-20px) rotate(360deg); }
}

.min-vh-75 {
    min-height: 75vh;
}

/* Page Header */
.page-header {
    padding: 4rem 0 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="0,100 100,0 100,100" fill="rgba(255,255,255,0.05)"/></svg>') no-repeat;
    background-size: cover;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    background-color: var(--light-color);
    font-weight: 600;
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
}

/* Feature Icons */
.feature-icon {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Forms */
.form-control, .form-select {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: var(--transition);
    padding: 0.75rem;
}

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

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.5rem;
}

.alert-heading {
    font-weight: 600;
}

/* Cookie Consent Banner */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--dark-color);
    color: var(--white-color);
    padding: 1rem 0;
    z-index: 9999;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-consent.show {
    transform: translateY(0);
}

.cookie-consent p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.cookie-consent a {
    color: var(--info-color);
}

.cookie-consent a:hover {
    color: #b6effb;
}

/* Social Links */
.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Form Messages */
.form-message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    font-weight: 500;
}

.form-message.success {
    background-color: #d1edff;
    color: #0c4a6e;
    border: 1px solid #7dd3fc;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #f87171;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

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

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

.rounded {
    border-radius: var(--border-radius) !important;
}

/* Content Block Styling */
.content-block h2 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.content-block h3,
.content-block h4,
.content-block h5 {
    color: var(--dark-color);
    margin-top: 1.5rem;
}

.content-block p {
    margin-bottom: 1rem;
    text-align: justify;
}

.content-block ul,
.content-block ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-block li {
    margin-bottom: 0.5rem;
}

/* Program Features */
.program-features {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 1rem 0;
}

/* Schedule Table Styling */
.table-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: #0f5132;
}

.table-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #664d03;
}

.table-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #842029;
}

.table-info {
    background-color: rgba(13, 202, 240, 0.1);
    color: #055160;
}

/* Accordion Styling */
.accordion-button {
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
}

/* Footer */
footer {
    margin-top: auto;
}

footer h5,
footer h6 {
    color: var(--white-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .navbar-nav .nav-link {
        margin: 0.25rem 0;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-img-top {
        height: 150px;
    }
    
    .feature-icon {
        height: 60px;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .cookie-consent .col-md-4 {
        text-align: center;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .page-header {
        padding: 2rem 0 1rem;
    }
    
    .display-4 {
        font-size: 1.75rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.25rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .cookie-consent,
    .btn,
    footer {
        display: none !important;
    }
    
    .hero-section {
        background: none !important;
        color: var(--dark-color) !important;
    }
    
    .page-header {
        background: none !important;
        color: var(--dark-color) !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Accessibility Improvements */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Focus States */
.btn:focus,
.form-control:focus,
.form-select:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

.slide-up {
    animation: slideUp 0.5s ease-in-out;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-bg {
        animation: none;
    }
}