/* Google Fonts - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Light Theme Variables */
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --border-color: #e2e8f0;
    --header-bg: #ffffff;
    --footer-bg: #0f172a;
    --footer-text: #cbd5e1;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Dark Theme Variables */
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: #1e293b;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --border-color: #334155;
    --header-bg: #1e293b;
    --footer-bg: #020617;
    --footer-text: #94a3b8;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

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

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* Header & Nav */
header {
    background-color: var(--header-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--text-color);
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
    align-items: center;
}

.nav-links li a {
    color: var(--text-color);
    font-weight: 500;
}

.nav-links li a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-color);
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(37,99,235,0.1) 0%, rgba(37,99,235,0.02) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero h1 {
    margin-bottom: 20px;
    background: -webkit-linear-gradient(45deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 30px auto;
}

.search-bar-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    box-shadow: var(--shadow-md);
    border-radius: 50px;
    overflow: hidden;
    background-color: var(--card-bg);
}

.search-form input {
    flex: 1;
    padding: 15px 25px;
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-color);
    font-size: 1rem;
}

.search-form button {
    padding: 0 30px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-form button:hover {
    background-color: var(--primary-hover);
}

/* Page Header (for interior pages) */
.page-header {
    background-color: var(--card-bg);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.page-header h1 {
    margin-bottom: 10px;
    font-size: 2.2rem;
}

.page-header p {
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

/* Sections */
.section-padding {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-muted);
}

/* Cards & Grids */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 15px;
    flex: 1;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.card-meta span {
    background-color: var(--bg-color);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.list-group {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    transition: var(--transition);
}

.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    background-color: rgba(37,99,235,0.05);
    padding-left: 25px;
}

/* Detail Table */
.detail-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    margin-bottom: 30px;
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.detail-table th, .detail-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.detail-table th {
    background-color: rgba(37,99,235,0.05);
    font-weight: 600;
    width: 35%;
    color: var(--text-color);
}

.detail-table tr:last-child th,
.detail-table tr:last-child td {
    border-bottom: none;
}

/* Breadcrumbs */
.breadcrumb {
    padding: 20px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--primary-color);
}

.breadcrumb span {
    margin: 0 5px;
}

/* Content Blocks for SEO */
.content-block {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    margin-top: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.content-block h2 {
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.content-block p {
    margin-bottom: 15px;
    color: var(--text-muted);
}

.content-block ul {
    margin-left: 20px;
    margin-bottom: 15px;
    color: var(--text-muted);
}

.content-block li {
    margin-bottom: 8px;
}

/* Adsense Placeholder */
.ad-slot {
    width: 100%;
    background-color: rgba(0,0,0,0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border: 1px dashed var(--border-color);
    margin: 30px 0;
    border-radius: 8px;
}

[data-theme="dark"] .ad-slot {
    background-color: rgba(255,255,255,0.02);
}

.ad-slot.horizontal {
    height: 90px;
    max-width: 728px;
    margin: 30px auto;
}

.ad-slot.rectangle {
    height: 250px;
    width: 300px;
    margin: 0 auto;
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 60px 0 20px 0;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-widget h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--footer-text);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq-accordion {
    margin-top: 20px;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 15px 20px;
    background-color: var(--card-bg);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(37,99,235,0.05);
}

.faq-question::after {
    content: '+';
    font-size: 1.2rem;
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: var(--bg-color);
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    padding: 15px 20px;
    max-height: 500px;
    border-top: 1px solid var(--border-color);
}

/* Contact Form */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

.page-link:hover, .page-link.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Tables general */
.data-table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.data-table th, .data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(37,99,235,0.05);
    font-weight: 600;
    color: var(--text-color);
}

.data-table tr:hover {
    background-color: rgba(37,99,235,0.02);
}

/* Responsiveness */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--header-bg);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .search-form {
        flex-direction: column;
        border-radius: 12px;
    }

    .search-form button {
        padding: 15px;
        border-radius: 0 0 12px 12px;
    }
}