/* =========================================
   InflationGlobal.com - Complete Design System
   Light/Dark Mode | Mobile First | Premium Fintech
   ========================================= */

/* ===========================================
   1. CSS VARIABLES (Light/Dark Theme)
   =========================================== */
:root {
    /* Light Mode Colors */
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F1F5F9;
    --color-primary: #2563EB;
    --color-primary-hover: #1D4ED8;
    --color-primary-light: rgba(37, 99, 235, 0.1);
    --color-text-main: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-success: #059669;
    --color-success-light: rgba(5, 150, 105, 0.1);
    --color-danger: #DC2626;
    --color-danger-light: rgba(220, 38, 38, 0.1);
    --color-warning: #D97706;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --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: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --color-bg: #0F172A;
    --color-surface: #1E293B;
    --color-surface-alt: #334155;
    --color-primary: #3B82F6;
    --color-primary-hover: #60A5FA;
    --color-primary-light: rgba(59, 130, 246, 0.15);
    --color-text-main: #F8FAFC;
    --color-text-secondary: #CBD5E1;
    --color-text-muted: #94A3B8;
    --color-border: #334155;
    --color-border-light: #1E293B;
    --color-success-light: rgba(5, 150, 105, 0.2);
    --color-danger-light: rgba(220, 38, 38, 0.2);
    --color-warning: #FBBF24;
    --color-warning-bg: rgba(251, 191, 36, 0.15);
    --color-warning-border: rgba(251, 191, 36, 0.3);
    --color-warning-text: #FDE68A;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* Dark mode adjustments for result ticket */
[data-theme="dark"] .result-ticket {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
}

[data-theme="dark"] .result-ticket-loss {
    background: rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .result-ticket-gain {
    background: rgba(34, 197, 94, 0.25);
}

/* ===========================================
   2. RESET & BASE
   =========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-main);
    background-color: var(--color-bg);
    direction: ltr;
    text-align: left;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================================
   3. TYPOGRAPHY
   =========================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

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

strong {
    font-weight: 600;
}

/* ===========================================
   4. LAYOUT & CONTAINERS
   =========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 800px;
}

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

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.gap-4 {
    gap: 1rem;
}

/* ===========================================
   5. HEADER & NAVIGATION
   =========================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
    text-decoration: none;
}

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

.logo-icon {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-main);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 150px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 200;
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.lang-option:hover,
.lang-option.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: rotate(20deg);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===========================================
   6. HERO SECTION
   =========================================== */
.hero {
    padding: 3rem 0 2rem;
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text-main);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================================
   7. CALCULATOR CARD
   =========================================== */
.calculator-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

/* ===========================================
   8. FORM ELEMENTS
   =========================================== */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control,
.form-input,
.form-select {
    width: 100%;
    height: 56px;
    padding: 0 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text-main);
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

.form-control:focus,
.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-input-large {
    font-size: 1.5rem;
    font-weight: 600;
    height: 64px;
}

/* Input with Currency Prefix */
.input-with-prefix {
    position: relative;
    display: flex;
    align-items: stretch;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-muted);
    pointer-events: none;
    z-index: 1;
}

.input-with-prefix input {
    padding-left: 2.5rem;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary,
.btn-gradient {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

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

.btn-secondary {
    background: var(--color-surface-alt);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-full {
    width: 100%;
    height: 56px;
    font-size: 1.1rem;
}

/* ===========================================
   10. RESULT TICKET (Premium Display)
   =========================================== */
.result-ticket {
    background: linear-gradient(135deg, var(--color-primary) 0%, #1D4ED8 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-xl);
}

.result-ticket-amount {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 0.5rem 0;
    font-family: 'JetBrains Mono', monospace;
}

.result-ticket-loss {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    background: rgba(220, 38, 38, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.75rem;
}

.result-ticket-gain {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    background: rgba(5, 150, 105, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.75rem;
}

/* Result Stats Grid */
.result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    font-family: 'JetBrains Mono', monospace;
}

.stat-value.positive {
    color: var(--color-success);
}

.stat-value.negative {
    color: var(--color-danger);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===========================================
   11. STATS GRID (Quick Stats)
   =========================================== */
.quick-stats-section {
    padding: 2rem 0;
    background: var(--color-surface-alt);
}

.quick-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.quick-stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-fast);
}

.quick-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.quick-stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
}

.quick-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ===========================================
   12. CHART CONTAINER
   =========================================== */
.chart-section {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid var(--color-border);
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1.5rem;
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

#inflation-chart {
    width: 100% !important;
    height: 100% !important;
}

/* ===========================================
   13. HISTORY TABLE
   =========================================== */
.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.history-table thead {
    background: var(--color-surface-alt);
}

.history-table th {
    padding: 1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-align: left;
    border-bottom: 2px solid var(--color-border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.history-table td {
    padding: 0.875rem 1rem;
    color: var(--color-text-main);
    border-bottom: 1px solid var(--color-border-light);
}

.history-table tbody tr:nth-child(even) {
    background: var(--color-surface-alt);
}

.history-table tbody tr:hover {
    background: var(--color-primary-light);
}

.history-table .positive {
    color: var(--color-success);
    font-weight: 600;
}

.history-table .negative {
    color: var(--color-danger);
    font-weight: 600;
}

/* ===========================================
   14. INFLATION TABLE (Home Page)
   =========================================== */
.inflation-rates-section {
    padding: 3rem 0;
    background: var(--color-surface);
}

.inflation-rates-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.inflation-rates-table th,
.inflation-rates-table td {
    padding: 1rem 1.5rem;
    text-align: left;
}

.inflation-rates-table thead {
    background: var(--color-primary);
    color: white;
}

.inflation-rates-table tbody tr {
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-fast);
}

.inflation-rates-table tbody tr:hover {
    background: var(--color-primary-light);
}

.inflation-rate-high {
    color: var(--color-danger);
    font-weight: 700;
}

.inflation-rate-medium {
    color: var(--color-warning);
    font-weight: 600;
}

.inflation-rate-low {
    color: var(--color-success);
    font-weight: 600;
}

/* ===========================================
   15. POPULAR CALCULATIONS
   =========================================== */
.popular-calcs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.popular-calc-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.popular-calc-amount {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.popular-calc-period {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.popular-calc-arrow {
    font-size: 1.25rem;
    color: var(--color-primary);
}

/* ===========================================
   16. EDUCATIONAL SECTION
   =========================================== */
.educational-section {
    padding: 4rem 0;
    background: var(--color-bg);
}

.educational-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.educational-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.educational-content h3 {
    font-size: 1.125rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--color-text-main);
}

.educational-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.educational-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.educational-content li {
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

/* ===========================================
   17. FAQ SECTION
   =========================================== */
.faq-section {
    padding: 4rem 0;
    background: var(--color-surface-alt);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--color-text-main);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 0.75rem;
}

.faq-answer {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
}

/* ===========================================
   18. BREADCRUMBS
   =========================================== */
.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.breadcrumbs a {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* ===========================================
   19. NEIGHBOR COUNTRIES (Geo-linking)
   =========================================== */
.neighbor-countries {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.neighbor-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.neighbor-link:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ===========================================
   20. SHARE SECTION
   =========================================== */
.share-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 1rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.share-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

/* ===========================================
   21. DATA SOURCE BADGE
   =========================================== */
.data-source {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.data-source-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

/* ===========================================
   22. FOOTER
   =========================================== */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-link {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}

.footer-copyright+.footer-copyright {
    margin-top: 0.35rem;
}

/* ===========================================
   23. TOAST NOTIFICATIONS
   =========================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 1rem 1.5rem;
    background: var(--color-text-main);
    color: var(--color-bg);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.toast.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===========================================
   24. SPINNER
   =========================================== */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===========================================
   25. ANIMATIONS
   =========================================== */
.animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.animate-slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================================
   26. LEGAL PAGES (About, Privacy, Terms)
   =========================================== */
.legal-page {
    padding: 3rem 0;
    background: var(--color-bg);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.legal-content h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.legal-content h2 {
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
    color: var(--color-text-main);
}

.legal-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.legal-content li {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.legal-last-updated {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* ===========================================
   27. RESPONSIVE - MOBILE FIRST
   =========================================== */
@media (max-width: 1024px) {
    .popular-calcs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    /* Header */
    .nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition-normal);
        z-index: 99;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Hero */
    .hero {
        padding: 2rem 0 1.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Calculator */
    .calculator-card {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }

    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Result Stats */
    .result-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .result-ticket-amount {
        font-size: 2.5rem;
    }

    /* Quick Stats */
    .quick-stats-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    /* Popular Calculations */
    .popular-calcs-grid {
        grid-template-columns: 1fr;
    }

    /* FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* Educational */
    .educational-content {
        padding: 1.5rem;
    }

    /* Legal Pages */
    .legal-content {
        padding: 1.5rem;
        border-radius: var(--radius-lg);
    }

    .legal-content h1 {
        font-size: 1.5rem;
    }

    /* Chart */
    .chart-container {
        height: 300px;
    }

    /* Tables - Horizontal Scroll */
    .history-table,
    .inflation-rates-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Section Titles */
    .section-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .result-ticket-amount {
        font-size: 2rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .btn-full {
        height: 52px;
        font-size: 1rem;
    }
}

/* ===========================================
   28. PRINT STYLES
   =========================================== */
@media print {

    .header,
    .footer,
    .share-section,
    .toast,
    .theme-toggle,
    .lang-selector,
    .mobile-menu-btn {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .calculator-card,
    .result-ticket,
    .chart-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* ===========================================
   29. DATA NOTICE BOX (For approximate data warnings)
   =========================================== */
.data-notice {
    background: #FEF3C7;
    border: 1px solid #F59E0B;
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.data-notice-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.data-notice-title {
    font-weight: 600;
    color: #92400E;
    margin-bottom: 0.25rem;
}

.data-notice-text {
    margin: 0;
    color: #92400E;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Dark mode for data notice */
[data-theme="dark"] .data-notice {
    background: rgba(251, 191, 36, 0.15);
    border-color: rgba(251, 191, 36, 0.4);
}

[data-theme="dark"] .data-notice-title,
[data-theme="dark"] .data-notice-text {
    color: #FDE68A;
}

/* ===========================================
   30. COMPARE PAGE (Versus)
   =========================================== */
.compare-cards {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: stretch;
    margin-bottom: 2rem;
}

.compare-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.compare-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.compare-card-header {
    padding: 1.5rem;
    color: white;
    text-align: center;
}

.compare-card-header h2 {
    color: white;
    font-size: 1.25rem;
    margin: 0 0 0.25rem;
}

.compare-card-currency {
    font-size: 0.85rem;
    opacity: 0.85;
}

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

.compare-stat {
    text-align: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.compare-stat:last-child {
    border-bottom: none;
}

.compare-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--color-text-main);
}

.compare-stat-value.positive {
    color: var(--color-success);
}

.compare-stat-value.negative {
    color: var(--color-danger);
}

.compare-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.compare-vs-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-surface-alt);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-muted);
    align-self: center;
}

.compare-winner-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.compare-winner-icon {
    font-size: 2rem;
}

.compare-winner-text {
    color: var(--color-text-main);
    font-size: 1rem;
    line-height: 1.5;
}

.compare-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Responsive for compare page */
@media (max-width: 768px) {
    .compare-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .compare-vs-badge {
        display: none;
    }

    .compare-stat-value {
        font-size: 1.25rem;
    }
}

/* ===========================================
   31. TOOL CARDS (More Tools Section)
   =========================================== */
.tool-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.tool-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tool-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0 0 0.75rem;
}

.tool-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ===========================================
   32. INPUT WITH PREFIX (for salary calculator)
   =========================================== */
.input-with-prefix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-muted);
    pointer-events: none;
    z-index: 1;
}

.input-with-prefix .form-input {
    padding-left: 2.75rem;
}

.form-input-large {
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1rem 1rem 1rem 3rem;
}