/* ============================================
   Receipt Parser Design System v2.0
   Custom CSS for elevated fintech web experience
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Primary Brand */
    --rp-primary: #1976D2;
    --rp-primary-dark: #1565C0;
    --rp-primary-light: #42A5F5;
    --rp-primary-container: #E3F2FD;

    /* Semantic Colors */
    --rp-success: #10B981;
    --rp-success-light: #34D399;
    --rp-success-dark: #059669;
    --rp-success-container: #ECFDF5;

    --rp-warning: #F59E0B;
    --rp-warning-light: #FBBF24;
    --rp-warning-dark: #D97706;
    --rp-warning-container: #FEF3C7;

    --rp-error: #EF4444;
    --rp-error-light: #F87171;
    --rp-error-dark: #DC2626;
    --rp-error-container: #FEE2E2;

    --rp-info: #3B82F6;
    --rp-info-light: #60A5FA;
    --rp-info-dark: #2563EB;
    --rp-info-container: #EFF6FF;

    /* Neutral Colors (Slate scale) */
    --rp-gray-50: #F8FAFC;
    --rp-gray-100: #F1F5F9;
    --rp-gray-200: #E2E8F0;
    --rp-gray-300: #CBD5E1;
    --rp-gray-400: #94A3B8;
    --rp-gray-500: #64748B;
    --rp-gray-600: #475569;
    --rp-gray-700: #334155;
    --rp-gray-800: #1E293B;
    --rp-gray-900: #0F172A;

    /* Backgrounds */
    --rp-background: var(--rp-gray-50);
    --rp-surface: #FFFFFF;

    /* Text */
    --rp-text-primary: var(--rp-gray-800);
    --rp-text-secondary: var(--rp-gray-500);
    --rp-text-muted: var(--rp-gray-400);

    /* Borders */
    --rp-border-light: var(--rp-gray-200);
    --rp-border-medium: var(--rp-gray-300);

    /* Spacing */
    --rp-spacing-xs: 0.25rem;
    --rp-spacing-sm: 0.5rem;
    --rp-spacing-md: 1rem;
    --rp-spacing-lg: 1.5rem;
    --rp-spacing-xl: 2rem;
    --rp-spacing-2xl: 3rem;

    /* Border Radius */
    --rp-radius-sm: 6px;
    --rp-radius-md: 8px;
    --rp-radius-lg: 12px;
    --rp-radius-xl: 16px;
    --rp-radius-full: 9999px;

    /* Shadows */
    --rp-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --rp-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --rp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --rp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --rp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --rp-transition-fast: 150ms ease;
    --rp-transition-normal: 200ms ease;
    --rp-transition-slow: 300ms ease;
}

/* Dark mode overrides */
[data-theme="dark"] {
    /* Backgrounds */
    --rp-background: var(--rp-gray-900);
    --rp-surface: var(--rp-gray-800);

    /* Text */
    --rp-text-primary: var(--rp-gray-100);
    --rp-text-secondary: var(--rp-gray-400);
    --rp-text-muted: var(--rp-gray-500);

    /* Borders */
    --rp-border-light: var(--rp-gray-700);
    --rp-border-medium: var(--rp-gray-600);

    /* Primary - lighter for dark mode */
    --rp-primary: #42A5F5;
    --rp-primary-dark: #1976D2;
    --rp-primary-light: #90CAF9;
    --rp-primary-container: rgba(25, 118, 210, 0.2);

    /* Semantic Colors - adjusted for dark backgrounds */
    --rp-success: #34D399;
    --rp-success-dark: #10B981;
    --rp-success-container: rgba(16, 185, 129, 0.2);

    --rp-warning: #FBBF24;
    --rp-warning-dark: #F59E0B;
    --rp-warning-container: rgba(245, 158, 11, 0.2);

    --rp-error: #F87171;
    --rp-error-dark: #EF4444;
    --rp-error-container: rgba(239, 68, 68, 0.2);

    --rp-info: #60A5FA;
    --rp-info-dark: #3B82F6;
    --rp-info-container: rgba(59, 130, 246, 0.2);

    /* Gray scale - inverted for dark mode UI elements */
    --rp-gray-50: #1E293B;
    --rp-gray-100: #334155;

    /* Shadows - adjusted for dark mode */
    --rp-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --rp-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
    --rp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --rp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

/* Dark mode specific component overrides */
[data-theme="dark"] .mud-table-head .mud-table-cell {
    background: var(--rp-gray-700) !important;
    color: var(--rp-gray-300) !important;
}

[data-theme="dark"] .mud-table-body .mud-table-row:hover {
    background: var(--rp-gray-700) !important;
}

[data-theme="dark"] .rp-receipt-item:hover {
    background-color: var(--rp-gray-700);
}

[data-theme="dark"] .rp-empty-state-icon {
    background: var(--rp-gray-700);
}

[data-theme="dark"] .rp-topnav-link:hover {
    background: var(--rp-gray-700);
}

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

/* ============================================
   Base Styles
   ============================================ */
html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--rp-background);
}

/* ============================================
   Card Styles
   ============================================ */

/* Base card style */
.rp-card {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-lg);
    box-shadow: var(--rp-shadow-xs);
    transition: box-shadow var(--rp-transition-normal), transform var(--rp-transition-normal);
}

.rp-card:hover {
    box-shadow: var(--rp-shadow-md);
}

.rp-card-interactive:hover {
    box-shadow: var(--rp-shadow-md);
    transform: translateY(-1px);
    cursor: pointer;
}

/* Stat card (dashboard metrics) */
.rp-stat-card {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-lg);
    padding: var(--rp-spacing-lg);
    position: relative;
    overflow: hidden;
}

.rp-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--rp-primary);
    opacity: 0;
    transition: opacity var(--rp-transition-normal);
}

.rp-stat-card:hover::before {
    opacity: 1;
}

.rp-stat-card--primary::before {
    background: var(--rp-primary);
    opacity: 1;
}

.rp-stat-card--success::before {
    background: var(--rp-success);
    opacity: 1;
}

.rp-stat-card--warning::before {
    background: var(--rp-warning);
    opacity: 1;
}

.rp-stat-card--info::before {
    background: var(--rp-info);
    opacity: 1;
}

.rp-stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--rp-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--rp-spacing-xs);
}

.rp-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.rp-stat-trend {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: var(--rp-spacing-xs);
}

.rp-stat-trend--up {
    color: var(--rp-success);
}

.rp-stat-trend--down {
    color: var(--rp-error);
}

/* ============================================
   Receipt List Item
   ============================================ */
.rp-receipt-item {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-md);
    padding: var(--rp-spacing-md) var(--rp-spacing-lg);
    border-bottom: 1px solid var(--rp-border-light);
    transition: background-color var(--rp-transition-fast);
}

.rp-receipt-item:hover {
    background-color: var(--rp-gray-50);
}

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

.rp-receipt-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--rp-radius-md);
    background: var(--rp-info-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.rp-receipt-avatar .mud-icon-root {
    color: var(--rp-info);
}

.rp-receipt-info {
    flex: 1;
    min-width: 0;
}

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

.rp-receipt-meta {
    font-size: 0.8125rem;
    color: var(--rp-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-sm);
}

.rp-receipt-amount {
    text-align: right;
    flex-shrink: 0;
}

.rp-receipt-amount-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--rp-text-primary);
}

/* ============================================
   Status Badges
   ============================================ */
.rp-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    border-radius: var(--rp-radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.rp-badge--success {
    background: var(--rp-success-container);
    color: var(--rp-success-dark);
}

.rp-badge--warning {
    background: var(--rp-warning-container);
    color: var(--rp-warning-dark);
}

.rp-badge--error {
    background: var(--rp-error-container);
    color: var(--rp-error-dark);
}

.rp-badge--info {
    background: var(--rp-info-container);
    color: var(--rp-info-dark);
}

.rp-badge--pending {
    background: var(--rp-gray-100);
    color: var(--rp-gray-600);
}

/* ============================================
   Empty State
   ============================================ */
.rp-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--rp-spacing-2xl);
    text-align: center;
}

.rp-empty-state-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--rp-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--rp-spacing-lg);
}

.rp-empty-state-icon .mud-icon-root {
    font-size: 2rem;
    color: var(--rp-gray-400);
}

.rp-empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--rp-text-primary);
    margin-bottom: var(--rp-spacing-xs);
}

.rp-empty-state-description {
    font-size: 0.875rem;
    color: var(--rp-text-secondary);
    max-width: 280px;
    margin-bottom: var(--rp-spacing-lg);
}

/* ============================================
   Page Header
   ============================================ */
.rp-page-header {
    margin-bottom: var(--rp-spacing-xl);
}

.rp-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    letter-spacing: -0.02em;
    margin-bottom: var(--rp-spacing-xs);
}

.rp-page-subtitle {
    font-size: 0.9375rem;
    color: var(--rp-text-secondary);
}

/* ============================================
   Section Header
   ============================================ */
.rp-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--rp-spacing-md) var(--rp-spacing-lg);
    border-bottom: 1px solid var(--rp-border-light);
}

.rp-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--rp-text-primary);
}

.rp-section-action {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--rp-primary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    transition: opacity var(--rp-transition-fast);
}

.rp-section-action:hover {
    opacity: 0.8;
}

/* ============================================
   Upload Area
   ============================================ */
.rp-upload-area {
    border: 2px dashed var(--rp-border-medium);
    border-radius: var(--rp-radius-xl);
    padding: var(--rp-spacing-2xl);
    text-align: center;
    background: var(--rp-surface);
    transition: border-color var(--rp-transition-normal), background-color var(--rp-transition-normal);
    cursor: pointer;
}

.rp-upload-area:hover {
    border-color: var(--rp-primary);
    background: var(--rp-primary-container);
}

.rp-upload-area--active {
    border-color: var(--rp-primary);
    background: var(--rp-primary-container);
}

.rp-upload-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--rp-radius-lg);
    background: var(--rp-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--rp-spacing-lg);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
}

.rp-upload-icon .mud-icon-root {
    font-size: 1.5rem;
    color: white;
}

.rp-upload-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--rp-text-primary);
    margin-bottom: var(--rp-spacing-xs);
}

.rp-upload-hint {
    font-size: 0.875rem;
    color: var(--rp-text-secondary);
}

/* ============================================
   Top Navigation Bar
   ============================================ */
.rp-topnav {
    background: var(--rp-surface);
    border-bottom: 1px solid var(--rp-border-light);
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 var(--rp-spacing-xl);
    position: sticky;
    top: 0;
    z-index: 100;
}

.rp-topnav-brand {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    text-decoration: none;
    margin-right: var(--rp-spacing-2xl);
}

.rp-topnav-brand-icon {
    width: 32px;
    height: 32px;
    background: var(--rp-primary);
    border-radius: var(--rp-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rp-topnav-brand-icon .mud-icon-root {
    color: white;
    font-size: 1.125rem;
}

.rp-topnav-links {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-xs);
    flex: 1;
}

.rp-topnav-link {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-sm);
    padding: var(--rp-spacing-sm) var(--rp-spacing-md);
    border-radius: var(--rp-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--rp-text-secondary);
    text-decoration: none;
    transition: color var(--rp-transition-fast), background-color var(--rp-transition-fast);
}

.rp-topnav-link:hover {
    color: var(--rp-text-primary);
    background: var(--rp-gray-100);
}

.rp-topnav-link--active {
    color: var(--rp-primary);
    background: var(--rp-primary-container);
}

.rp-topnav-link--active:hover {
    color: var(--rp-primary);
    background: var(--rp-primary-container);
}

.rp-topnav-actions {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-md);
}

/* User Menu Header */
.rp-user-menu-header {
    display: flex;
    align-items: center;
    gap: var(--rp-spacing-md);
    padding: var(--rp-spacing-md) var(--rp-spacing-lg);
    min-width: 200px;
}

.rp-user-menu-info {
    display: flex;
    flex-direction: column;
}

/* ============================================
   Button Overrides
   ============================================ */
.mud-button-root {
    text-transform: none !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em !important;
}

.rp-btn-primary {
    background: var(--rp-primary) !important;
    box-shadow: 0 1px 3px rgba(25, 118, 210, 0.2), 0 4px 8px rgba(25, 118, 210, 0.15) !important;
    transition: box-shadow var(--rp-transition-normal), transform var(--rp-transition-normal) !important;
}

.rp-btn-primary:hover {
    box-shadow: 0 2px 4px rgba(25, 118, 210, 0.25), 0 8px 16px rgba(25, 118, 210, 0.2) !important;
    transform: translateY(-1px);
}

/* ============================================
   Form Inputs
   ============================================ */
.mud-input-control .mud-input {
    border-radius: var(--rp-radius-md) !important;
}

.mud-input-control .mud-input-outlined-border {
    border-radius: var(--rp-radius-md) !important;
}

/* ============================================
   Table Enhancements
   ============================================ */
.mud-table {
    border-radius: var(--rp-radius-lg) !important;
    overflow: hidden;
}

.mud-table-head .mud-table-cell {
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    color: var(--rp-text-secondary) !important;
    background: var(--rp-gray-50) !important;
}

.mud-table-body .mud-table-row:hover {
    background: var(--rp-gray-50) !important;
}

/* ============================================
   Chart Container
   ============================================ */
.rp-chart-container {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-lg);
    padding: var(--rp-spacing-lg);
}

.rp-chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--rp-text-primary);
    margin-bottom: var(--rp-spacing-md);
}

/* ============================================
   Utility Classes
   ============================================ */
.rp-text-primary { color: var(--rp-text-primary); }
.rp-text-secondary { color: var(--rp-text-secondary); }
.rp-text-muted { color: var(--rp-text-muted); }
.rp-text-success { color: var(--rp-success); }
.rp-text-warning { color: var(--rp-warning); }
.rp-text-error { color: var(--rp-error); }

.rp-bg-primary-container { background: var(--rp-primary-container); }
.rp-bg-success-container { background: var(--rp-success-container); }
.rp-bg-warning-container { background: var(--rp-warning-container); }
.rp-bg-error-container { background: var(--rp-error-container); }
.rp-bg-info-container { background: var(--rp-info-container); }

.rp-font-medium { font-weight: 500; }
.rp-font-semibold { font-weight: 600; }
.rp-font-bold { font-weight: 700; }

/* ============================================
   Landing Page
   ============================================ */

/* ---------- Hero Section ---------- */
.rp-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 4rem 0 5rem;
    background: radial-gradient(ellipse 80% 70% at 70% 40%, rgba(25, 118, 210, 0.06) 0%, transparent 70%),
                linear-gradient(180deg, #FFFFFF 0%, var(--rp-gray-50) 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .rp-hero {
    background: radial-gradient(ellipse 80% 70% at 70% 40%, rgba(66, 165, 245, 0.08) 0%, transparent 70%),
                linear-gradient(180deg, var(--rp-gray-900) 0%, var(--rp-gray-800) 100%);
}

.rp-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.rp-hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.rp-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ---------- Phone Mockup ---------- */
.rp-phone-mockup {
    width: 280px;
    background: var(--rp-gray-800);
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15),
                0 8px 20px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

[data-theme="dark"] .rp-phone-mockup {
    background: #1a1a2e;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4),
                0 8px 20px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.rp-phone-notch {
    width: 100px;
    height: 24px;
    background: var(--rp-gray-800);
    border-radius: 0 0 16px 16px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    top: -1px;
}

[data-theme="dark"] .rp-phone-notch {
    background: #1a1a2e;
}

.rp-phone-screen {
    background: var(--rp-surface);
    border-radius: 24px;
    padding: 2rem 1.25rem 1.5rem;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: -12px;
}

[data-theme="dark"] .rp-phone-screen {
    background: var(--rp-gray-800);
}

/* Mockup app header */
.rp-mockup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.rp-mockup-header-icon {
    width: 28px;
    height: 28px;
    background: var(--rp-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rp-mockup-header-title {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--rp-text-primary);
}

/* Mockup receipt card */
.rp-mockup-receipt {
    background: var(--rp-gray-50);
    border: 1px solid var(--rp-border-light);
    border-radius: 12px;
    padding: 1rem;
}

[data-theme="dark"] .rp-mockup-receipt {
    background: var(--rp-gray-700);
    border-color: var(--rp-gray-600);
}

.rp-mockup-receipt-badge {
    display: inline-block;
    font-size: 0.5625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rp-success-dark);
    background: var(--rp-success-container);
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    margin-bottom: 0.5rem;
}

.rp-mockup-receipt-merchant {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    line-height: 1.2;
}

.rp-mockup-receipt-date {
    font-size: 0.6875rem;
    color: var(--rp-text-secondary);
    margin-top: 0.125rem;
}

.rp-mockup-receipt-divider {
    height: 1px;
    background: var(--rp-border-light);
    margin: 0.625rem 0;
}

.rp-mockup-receipt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.6875rem;
    color: var(--rp-text-secondary);
    padding: 0.1875rem 0;
}

.rp-mockup-receipt-row--tax {
    color: var(--rp-text-secondary);
}

.rp-mockup-receipt-row--total {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    padding-top: 0.25rem;
}

/* Mockup tag pills */
.rp-mockup-tags {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

.rp-mockup-tag {
    font-size: 0.5625rem;
    font-weight: 600;
    padding: 0.1875rem 0.5rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.rp-mockup-tag--blue {
    background: var(--rp-primary-container);
    color: var(--rp-primary-dark);
}

.rp-mockup-tag--green {
    background: var(--rp-success-container);
    color: var(--rp-success-dark);
}

/* ---------- Landing Sections ---------- */
.rp-landing-section {
    padding: 5rem 0;
}

.rp-landing-section--alt {
    background: var(--rp-gray-100);
}

.rp-landing-overline {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--rp-primary);
    margin-bottom: var(--rp-spacing-sm);
}

.rp-landing-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    margin-bottom: var(--rp-spacing-md);
}

.rp-landing-benefit {
    display: flex;
    gap: var(--rp-spacing-lg);
    padding: var(--rp-spacing-lg);
    background: var(--rp-surface);
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-lg);
    transition: box-shadow var(--rp-transition-normal), transform var(--rp-transition-normal);
}

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

.rp-landing-benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--rp-radius-md);
    background: var(--rp-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.rp-landing-benefit-icon .mud-icon-root {
    color: var(--rp-primary);
}

.rp-landing-audience-card {
    background: var(--rp-surface);
    border: 1px solid var(--rp-border-light);
    border-radius: var(--rp-radius-lg);
    padding: var(--rp-spacing-xl);
    text-align: center;
    height: 100%;
    transition: box-shadow var(--rp-transition-normal), transform var(--rp-transition-normal);
}

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

.rp-landing-feature-grid-item {
    display: flex;
    align-items: flex-start;
    gap: var(--rp-spacing-md);
}

.rp-landing-feature-grid-item .mud-icon-root {
    color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 960px) {
    .rp-hero {
        min-height: auto;
        padding: 3rem 0 3.5rem;
    }

    .rp-hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .rp-phone-mockup {
        width: 240px;
    }

    .rp-phone-screen {
        min-height: 360px;
        padding: 1.5rem 1rem 1.25rem;
    }

    .rp-landing-section {
        padding: 3rem 0;
    }

    .rp-landing-benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .rp-hero {
        padding: 2.5rem 0 3rem;
    }

    .rp-hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .rp-hero-content {
        text-align: center;
        align-items: center;
    }

    .rp-hero-visual {
        order: 2;
    }

    .rp-phone-mockup {
        width: 240px;
    }

    .rp-phone-screen {
        min-height: 360px;
    }

    .rp-landing-section {
        padding: 2.5rem 0;
    }
}

/* ============================================
   Responsive Adjustments
   ============================================ */

/* Mobile menu button - hidden by default, shown on mobile */
.rp-mobile-menu-btn {
    display: none !important;
    margin-right: var(--rp-spacing-xs);
}

/* User menu - ensure it's always visible */
.rp-user-menu {
    flex-shrink: 0;
}

/* Desktop-only elements */
.rp-desktop-only {
    display: flex;
}

/* Mobile drawer styling */
.rp-mobile-drawer {
    width: 280px;
}

.rp-drawer-header {
    display: flex;
    align-items: center;
    padding: var(--rp-spacing-md) var(--rp-spacing-lg);
    border-bottom: 1px solid var(--rp-border-light);
}

@media (max-width: 960px) {
    .rp-topnav {
        padding: 0 var(--rp-spacing-md);
    }

    .rp-topnav-brand {
        margin-right: var(--rp-spacing-lg);
    }

    .rp-topnav-link span {
        display: none;
    }

    .rp-stat-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    /* Show hamburger menu on mobile */
    .rp-mobile-menu-btn {
        display: flex !important;
    }

    /* Hide desktop navigation and new receipt button */
    .rp-desktop-only {
        display: none !important;
    }

    /* Keep brand but hide text on very small screens */
    .rp-topnav-brand {
        margin-right: var(--rp-spacing-sm);
    }

    .rp-page-title {
        font-size: 1.25rem;
    }

    .rp-stat-card {
        padding: var(--rp-spacing-md);
    }

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

@media (max-width: 400px) {
    /* Hide brand text on very small screens */
    .rp-topnav-brand-text {
        display: none;
    }
}

/* ============================================
   Animation Classes
   ============================================ */
@keyframes rp-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes rp-fade-in-scale {
    from { opacity: 0; transform: scale(0.95) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.rp-animate-in {
    opacity: 0;
    animation: rp-fade-in 0.4s ease-out both;
}

.rp-animate-in-scale {
    opacity: 0;
    animation: rp-fade-in-scale 0.5s ease-out both;
}

/* Staggered animation delays for cards */
.rp-animate-in:nth-child(1) { animation-delay: 0ms; }
.rp-animate-in:nth-child(2) { animation-delay: 50ms; }
.rp-animate-in:nth-child(3) { animation-delay: 100ms; }
.rp-animate-in:nth-child(4) { animation-delay: 150ms; }