/* ============================================
   HESAPLAMA SİTESİ - ANA STIL DOSYASI
   Mobile-First, SEO-Optimized, Modern Design
   ============================================ */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f59e0b;
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;
    --info: #06b6d4;

    --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;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* Light Mode (default) */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f172a;
        --bg-secondary: #1e293b;
        --bg-tertiary: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-color: #334155;
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* Layout */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

/* Search Box */
.search-box {
    flex: 1;
    max-width: 480px;
    position: relative;
}

.search-input {
    width: 100%;
    height: 44px;
    padding: 0 1rem 0 2.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition);
}

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

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 100;
}

.search-results.active {
    display: block;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition);
}

.search-result-item:hover {
    background: var(--bg-tertiary);
}

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

.search-result-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.search-result-text {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-category {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.menu-toggle:hover {
    background: var(--bg-tertiary);
}

@media (min-width: 768px) {
    .menu-toggle { display: none; }
}

/* Navigation */
.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }
}

.nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 999;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-content {
    padding: 1rem;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.mobile-nav-link:hover {
    background: var(--bg-tertiary);
}

/* Main Content */
main {
    flex: 1;
    padding: 1.5rem 0;
}

@media (min-width: 768px) {
    main { padding: 2rem 0; }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    text-align: center;
}

.hero h1 {
    color: white;
    margin-bottom: 0.75rem;
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-num {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.hero-stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .category-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .category-grid { grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
}

@media (min-width: 1280px) {
    .category-grid { grid-template-columns: repeat(5, 1fr); }
}

.category-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.category-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.category-card h3 {
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
}

.category-card p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
}

/* Calculator List */
.calc-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .calc-list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .calc-list { grid-template-columns: repeat(3, 1fr); }
}

.calc-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.calc-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.calc-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.calc-item h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.125rem;
}

.calc-item p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0;
}

/* Calculator Page Layout */
.calc-page {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 1024px) {
    .calc-page {
        grid-template-columns: 1fr 320px;
    }
}

.calc-main {
    min-width: 0;
}

.calc-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Calculator Card */
.calc-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.calc-card-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 1.5rem;
}

.calc-card-header h1 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.calc-card-header p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 0.9375rem;
}

.calc-card-body {
    padding: 1.5rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-label .required {
    color: var(--danger);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

.form-input,
.form-select {
    width: 100%;
    height: 48px;
    padding: 0 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all var(--transition);
}

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

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input[type="number"] {
    font-family: var(--font-mono);
}

/* Input Group */
.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-input {
    flex: 1;
}

.input-addon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 48px;
    padding: 0 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    height: 56px;
    font-size: 1.125rem;
    padding: 0 2rem;
}

/* Result Box */
.result-box {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
    display: none;
}

.result-box.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.result-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.result-details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.375rem 0;
    font-size: 0.9375rem;
}

.result-row span:first-child {
    opacity: 0.9;
}

.result-row span:last-child {
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Info Box */
.info-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.info-box h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-box p {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.info-box p:last-child {
    margin-bottom: 0;
}

.info-box ul {
    margin: 0;
    padding-left: 1.25rem;
}

.info-box li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Related Calculators */
.related-calcs {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.related-calcs h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.related-calc-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    transition: background var(--transition);
}

.related-calc-item:hover {
    background: var(--bg-tertiary);
}

.related-calc-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.related-calc-item span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

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

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

.breadcrumb-sep {
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

/* Content Section */
.content-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.content-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.content-section h3 {
    font-size: 1.0625rem;
    margin: 1.25rem 0 0.75rem;
}

.content-section p {
    margin-bottom: 1rem;
}

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

.content-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    margin: 1rem 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.table tr:hover td {
    background: var(--bg-secondary);
}

/* FAQ Section */
.faq-section {
    margin-top: 1.5rem;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: background var(--transition);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--primary);
    transition: transform var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.25rem;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-slow);
}

.faq-item.active .faq-answer {
    padding: 0 1.25rem 1rem;
    max-height: 500px;
}

.faq-answer p {
    font-size: 0.9375rem;
    margin: 0;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

.footer-col h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.875rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-700);
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* Loading Spinner */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--gray-800);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.9375rem;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-info { border-left: 4px solid var(--info); }

/* Skip Link (Accessibility) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Print Styles */
@media print {
    .header, .footer, .calc-sidebar, .btn, .search-box, .nav {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .calc-page {
        display: block;
    }

    .result-box {
        background: #f0f0f0;
        color: black;
        print-color-adjust: exact;
    }
}

/* Category Colors */
.bg-finans { background: rgba(37, 99, 235, 0.1); color: #2563eb; }
.bg-saglik { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.bg-matematik { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.bg-fizik { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.bg-kimya { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.bg-donusturucu { background: rgba(236, 72, 153, 0.1); color: #ec4899; }
.bg-tarih { background: rgba(99, 102, 241, 0.1); color: #6366f1; }
.bg-insaat { background: rgba(234, 88, 12, 0.1); color: #ea580c; }
.bg-otomotiv { background: rgba(107, 114, 128, 0.1); color: #6b7280; }
.bg-mutfak { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
.bg-cevre { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.bg-metin { background: rgba(168, 162, 158, 0.1); color: #78716c; }
.bg-astronomi { background: rgba(30, 58, 138, 0.1); color: #1e3a8a; }
.bg-egitim { background: rgba(124, 58, 237, 0.1); color: #7c3aed; }
.bg-gunluk { background: rgba(251, 146, 60, 0.1); color: #fb923c; }

/* ============================================
   MISSING LAYOUT COMPONENTS
   ============================================ */

/* Form Row - Side by side form elements */
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Input with Unit Select (e.g., value + unit dropdown) */
.input-with-unit {
    display: flex;
    gap: 0.5rem;
}

.input-with-unit .form-input {
    flex: 1;
    min-width: 0;
}

.unit-select {
    width: auto;
    min-width: 100px;
    height: 48px;
    padding: 0 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

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

/* Info Table - Styled data tables */
.info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    margin: 1rem 0;
}

.info-table th,
.info-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.info-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.info-table td {
    color: var(--text-secondary);
}

.info-table tr:hover td {
    background: var(--bg-secondary);
}

/* Calculator Type Panel (tabs content) */
.calc-type-panel {
    min-height: 200px;
}

/* Calculator Inputs Container */
.calc-inputs {
    margin-bottom: 1rem;
}

/* Responsive table for info-table */
@media (max-width: 639px) {
    .info-table {
        font-size: 0.8125rem;
    }

    .info-table th,
    .info-table td {
        padding: 0.5rem 0.625rem;
    }
}

/* Radio Group - Side-by-side radio buttons */
.radio-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9375rem;
    flex: 1;
    min-width: 100px;
}

.radio-label:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
}

.radio-label input[type="radio"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    margin: 0;
}

.radio-label input[type="radio"]:checked + span {
    color: var(--primary);
    font-weight: 600;
}

/* Formula Box - Highlighted formula display */
.formula-box {
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.25rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 1rem 0;
    font-family: var(--font-mono);
}

.formula-box strong {
    font-size: 1.125rem;
    display: block;
    margin-bottom: 0.375rem;
}

.formula-box p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* FAQ List - FAQ wrapper in tarih pages */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Dark mode adjustments for new components */
@media (prefers-color-scheme: dark) {
    .unit-select {
        background: var(--bg-tertiary);
    }

    .info-table th {
        background: var(--bg-tertiary);
    }

    .radio-label {
        border-color: var(--border-color);
    }

    .radio-label:hover {
        background: rgba(37, 99, 235, 0.1);
    }

    .formula-box {
        background: var(--bg-tertiary);
    }
}