/* einfache-eRechnung.de Brand Stylesheet */
/* Based on visual-identity.md - Everyman + Caregiver archetype */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Primary - Warm Trust Blue */
    --color-primary: #2563EB;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;

    /* Secondary - Natural Green */
    --color-secondary: #059669;
    --color-secondary-light: #10B981;
    --color-secondary-dark: #047857;

    /* Accent - Friendly Orange */
    --color-accent: #EA580C;
    --color-accent-light: #F97316;
    --color-accent-dark: #C2410C;

    /* Neutrals - Warm Gray Scale */
    --color-gray-50: #FAFAF9;
    --color-gray-100: #F5F5F4;
    --color-gray-200: #E7E5E4;
    --color-gray-300: #D6D3D1;
    --color-gray-400: #A8A29E;
    --color-gray-500: #78716C;
    --color-gray-600: #57534E;
    --color-gray-700: #44403C;
    --color-gray-800: #292524;
    --color-gray-900: #1C1917;

    /* Background */
    --color-background: #FEFEFE;

    /* Functional */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;
    --color-info: #2563EB;

    /* Typography */
    --font-primary: 'Lexend', sans-serif;
    --font-secondary: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    /* Type Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

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

    /* Breakpoints (for reference in media queries) */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
}

/* ============================================
   Base Reset & Typography
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-gray-800);
    background-color: var(--color-background);
}

/* Prevent page-level scrollbar when in correction layout */
body.has-pdf-pane {
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--space-4);
    font-family: var(--font-primary);
    line-height: var(--leading-tight);
    color: var(--color-gray-900);
}

h1 {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-semibold);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
}

h4 {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
}

p {
    margin-top: 0;
    margin-bottom: var(--space-4);
}

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

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

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* ============================================
   App Header (consistent with Landing Page)
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-background);
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    max-width: 1280px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo__image {
    height: 40px;
    width: auto;
    display: block;
}

/* Fallback Logo Mark + Text (if image not available) */
.site-logo__mark {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.site-logo__text {
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    color: var(--color-primary);
    margin-left: 0.625rem;
}

/* Legacy support for logo image */
.site-header .logo-image {
    display: block;
    height: 48px;
    width: auto;
}

/* App Navigation */
.app-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.app-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.app-nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--color-gray-600);
    text-decoration: none;
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.app-nav__link:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.app-nav__link.is-active {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.08);
}

.app-nav__link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-gray-200);
}

.user-menu__info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.user-menu__email {
    font-family: var(--font-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu__plan {
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.user-menu__plan-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    background: rgba(5, 150, 105, 0.1);
    color: var(--color-secondary-dark);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.logout-form {
    margin: 0;
}

.logout-form .btn {
    padding: var(--space-2) var(--space-4);
    min-height: 36px;
    font-size: var(--text-sm);
}

/* Legacy support */
.nav-authenticated {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.user-email {
    font-family: var(--font-secondary);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--space-8) 0;
}

/* ============================================
   App Footer (consistent with Landing Page)
   ============================================ */
.site-footer {
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    padding: var(--space-10) 0 var(--space-6);
}

.site-footer .container {
    max-width: 1280px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-gray-700);
    margin-bottom: var(--space-6);
}

.footer-brand {
    max-width: 280px;
}

.footer-brand__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    margin-bottom: var(--space-4);
}

.footer-brand__mark {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-bold);
    font-size: var(--text-base);
}

.footer-brand__text {
    font-weight: var(--font-bold);
    font-size: var(--text-base);
    color: white;
}

.footer-brand__tagline {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-400);
    margin: 0;
}

.footer-section__title {
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--color-gray-400);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-normal);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--color-gray-500);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-normal);
}

.footer-legal a:hover {
    color: var(--color-gray-300);
}

/* Simple footer variant for logged-in app pages */
.site-footer--simple {
    padding: var(--space-6) 0;
}

.site-footer--simple .footer-content {
    display: none;
}

.site-footer--simple .footer-bottom {
    justify-content: center;
}

.site-footer--simple .footer-legal {
    margin-left: var(--space-4);
}

.site-footer p {
    margin: 0;
    font-size: var(--text-sm);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-4);
    color: var(--color-gray-900);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-height: 44px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-primary);
    color: white;
}

.btn-cta {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.btn-cta:hover:not(:disabled) {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

.btn-danger {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
    background: #B91C1C;
    border-color: #B91C1C;
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-family: var(--font-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
}

.form-label.required::after {
    content: " *";
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-gray-800);
    background: white;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    min-height: 44px;
}

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

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-error);
}

/* Input group for inline elements */
.input-group {
    display: flex;
    gap: var(--space-2);
}

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

/* ============================================
   Form Sections (Progressive Disclosure)
   ============================================ */
.form-section {
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
}

.form-section-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--color-primary);
}

/* Collapsible details for Tier 3 fields */
.form-details {
    margin-top: var(--space-4);
}

.form-details summary {
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    padding: var(--space-2) 0;
    list-style: none;
}

.form-details summary::-webkit-details-marker {
    display: none;
}

.form-details summary::before {
    content: "+ ";
}

.form-details[open] summary::before {
    content: "- ";
}

.form-details-content {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--space-2);
}

/* ============================================
   Tables (for line items)
   ============================================ */
.table-container {
    overflow-x: auto;
    margin: var(--space-4) 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.table th {
    font-family: var(--font-secondary);
    font-weight: var(--font-semibold);
    color: var(--color-gray-700);
    background: var(--color-gray-100);
}

.table tbody tr:hover {
    background: var(--color-gray-50);
}

.table .form-input {
    min-height: 38px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

/* Numeric columns right-aligned */
.table .text-right {
    text-align: right;
}

.table .number-input {
    text-align: right;
}

/* ============================================
   Alerts / Messages
   ============================================ */
.alert {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
}

.alert-success {
    background: #ECFDF5;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary-dark);
}

.alert-error {
    background: #FEF2F2;
    border: 1px solid var(--color-error);
    color: #991B1B;
}

.alert-warning {
    background: #FFFBEB;
    border: 1px solid var(--color-warning);
    color: #92400E;
}

.alert-info {
    background: #EFF6FF;
    border: 1px solid var(--color-info);
    color: var(--color-primary-dark);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }

.text-muted { color: var(--color-gray-500); }
.text-error { color: var(--color-error); }
.text-success { color: var(--color-success); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none !important; }

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

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-3);
    }

    h1 {
        font-size: var(--text-3xl);
    }

    h2 {
        font-size: var(--text-2xl);
    }

    .form-section {
        padding: var(--space-4);
    }

    .btn {
        width: 100%;
    }

    .nav-authenticated .btn {
        width: auto;
    }

    .input-group {
        flex-direction: column;
    }

    /* Form grid adjustments for tablet */
    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    /* Line items table: stack columns for readability */
    .table {
        font-size: var(--text-sm);
    }

    .table th,
    .table td {
        padding: var(--space-2) var(--space-3);
    }

    /* Hide less important columns on tablet */
    .line-items-table .col-position {
        display: none;
    }

    /* Totals adjustments */
    .totals-grid {
        max-width: 100%;
    }

    .totals-value .form-input {
        width: 120px;
    }
}

/* Mobile (640px and below) */
@media (max-width: 640px) {
    .main-content {
        padding: var(--space-4) 0;
    }

    .site-header {
        padding: var(--space-2) var(--space-4);
    }

    .site-header .logo-image {
        height: 36px;
    }

    .nav-authenticated {
        gap: var(--space-2);
    }

    .user-email {
        display: none;
    }

    /* Larger touch targets for mobile */
    .btn {
        min-height: 48px;
        padding: var(--space-4) var(--space-6);
    }

    .form-input,
    .form-select,
    .form-textarea {
        min-height: 48px;
        padding: var(--space-4);
    }

    /* Form intro text smaller on mobile */
    .form-intro {
        font-size: var(--text-base);
    }

    /* Line items as stacked cards on mobile */
    .line-items-table {
        display: block;
    }

    .line-items-table thead {
        display: none;
    }

    .line-items-table tbody {
        display: block;
    }

    .line-items-table tr {
        display: block;
        background: var(--color-gray-100);
        border-radius: var(--radius-md);
        padding: var(--space-4);
        margin-bottom: var(--space-4);
    }

    .line-items-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--space-2) 0;
        border: none;
        border-bottom: 1px solid var(--color-gray-200);
    }

    .line-items-table td:last-child {
        border-bottom: none;
    }

    .line-items-table td::before {
        content: attr(data-label);
        font-weight: var(--font-medium);
        color: var(--color-gray-600);
        font-size: var(--text-sm);
    }

    .line-items-table td .form-input {
        width: 50%;
        text-align: right;
    }

    /* Totals stacked on mobile */
    .totals-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .totals-value {
        width: 100%;
    }

    .totals-value .form-input {
        width: 100%;
    }

    /* Success page adjustments */
    .success-card {
        padding: var(--space-6);
    }

    .success-page h1 {
        font-size: var(--text-3xl);
    }

    .success-icon {
        width: 64px;
        height: 64px;
    }

    /* Error page adjustments */
    .error-page {
        padding: var(--space-4) var(--space-3);
    }

    .error-page h1 {
        font-size: var(--text-2xl);
    }
}

/* Small mobile (480px and below) */
@media (max-width: 480px) {
    h1 {
        font-size: var(--text-2xl);
    }

    .form-header {
        margin-bottom: var(--space-6);
    }

    .form-section {
        padding: var(--space-3);
        margin-bottom: var(--space-4);
    }

    .form-section-title {
        font-size: var(--text-base);
    }

    .error-summary {
        padding: var(--space-4);
    }
}

/* ============================================
   Accessibility: Focus States
   ============================================ */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Correction Form Page
   ============================================ */
.correction-form-page {
    max-width: 1100px;
    margin: 0 auto;
}

.form-header {
    margin-bottom: var(--space-8);
}

.form-header h1 {
    margin-bottom: var(--space-2);
}

.form-intro {
    color: var(--color-gray-600);
    font-size: var(--text-lg);
}

.required-marker {
    color: var(--color-error);
    font-weight: var(--font-bold);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-group-wide {
    grid-column: 1 / -1;
}

.form-actions {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 2px solid var(--color-gray-200);
    text-align: center;
}

.form-actions-hint {
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   Line Items Card Layout
   ============================================ */
.line-items-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.line-item-card {
    background: white;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.line-item-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.line-item-card:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Card Header */
.line-item-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-gray-100);
}

.line-item-position {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.position-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
}

/* Main Fields Grid */
.line-item-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.line-item-product {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.line-item-numbers {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-3);
}

/* Input with Suffix (€ symbol) */
.input-with-suffix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-suffix .form-input {
    padding-right: var(--space-8);
}

.input-suffix {
    position: absolute;
    right: var(--space-3);
    color: var(--color-gray-400);
    font-size: var(--text-sm);
    pointer-events: none;
}

/* Subtle and Readonly inputs */
.input-subtle {
    background: var(--color-gray-50);
    border-color: var(--color-gray-200);
}

.input-readonly {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    cursor: default;
}

/* Per-Item Collapsible Details */
.line-item-details {
    margin-top: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
    padding-top: var(--space-3);
}

.line-item-details summary {
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-500);
    padding: var(--space-2) 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: color var(--transition-normal);
}

.line-item-details summary:hover {
    color: var(--color-primary);
}

.line-item-details summary::-webkit-details-marker {
    display: none;
}

.line-item-details summary::before {
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
}

.line-item-details[open] summary::before {
    content: "−";
    background: var(--color-primary);
    color: white;
}

.line-item-advanced-content {
    padding-top: var(--space-4);
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Icon Button */
.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    min-height: 40px;
    min-width: 40px;
    border-radius: var(--radius-md);
}

.btn-icon svg {
    flex-shrink: 0;
}

/* Line Items Actions */
.line-items-actions {
    margin-top: var(--space-4);
}

.line-items-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-small {
    padding: var(--space-2);
    min-height: 36px;
    min-width: 36px;
    font-size: var(--text-lg);
    line-height: 1;
}

/* ============================================
   Line Items Responsive
   ============================================ */
@media (max-width: 1024px) {
    .line-item-numbers {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .line-item-numbers {
        grid-template-columns: repeat(2, 1fr);
    }

    .line-item-card {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .line-item-numbers {
        grid-template-columns: 1fr;
    }

    .line-item-advanced-content .form-row {
        grid-template-columns: 1fr;
    }
}

/* Totals Grid */
.totals-grid {
    max-width: 500px;
    margin-left: auto;
}

.totals-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.totals-row-secondary {
    color: var(--color-gray-600);
    font-size: var(--text-sm);
}

.totals-row-subtotal {
    font-weight: var(--font-medium);
}

.totals-row-highlight {
    background: var(--color-gray-100);
    padding: var(--space-3) var(--space-4);
    margin: 0 calc(var(--space-4) * -1);
    border-radius: var(--radius-md);
    font-weight: var(--font-semibold);
}

.totals-row-due {
    background: var(--color-primary);
    color: white;
}

.totals-row-due .form-input {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.totals-label {
    flex: 1;
}

.totals-value {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.totals-value .form-input {
    width: 150px;
    text-align: right;
}

.currency-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    min-width: 40px;
}

.totals-row-due .currency-label {
    color: rgba(255, 255, 255, 0.8);
}

.minus-sign, .plus-sign {
    font-weight: var(--font-medium);
    width: 16px;
    text-align: center;
}

.totals-error {
    text-align: right;
    display: block;
    margin-bottom: var(--space-2);
}

/* Subsection titles */
.subsection-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-gray-700);
    margin-bottom: var(--space-4);
}

/* ============================================
   Error Pages
   ============================================ */
.error-page {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
    text-align: center;
}

.error-icon {
    color: var(--color-gray-400);
    margin-bottom: var(--space-6);
}

.error-icon-warning {
    color: var(--color-warning);
}

.error-icon-internal {
    color: var(--color-accent);
}

.error-reassurance {
    background: var(--color-gray-50);
    border-left: 4px solid var(--color-accent);
    padding: var(--space-5);
    margin: var(--space-6) 0;
    border-radius: var(--radius-md);
}

.error-page h1 {
    font-size: var(--text-3xl);
    color: var(--color-gray-800);
    margin-bottom: var(--space-4);
}

.error-message {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.error-description {
    color: var(--color-gray-500);
    margin-bottom: var(--space-8);
}

.error-help {
    text-align: left;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.error-help h3 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--color-gray-700);
}

.error-help ul {
    margin: 0;
    padding-left: var(--space-5);
}

.error-help li {
    margin-bottom: var(--space-2);
    color: var(--color-gray-600);
}

.error-contact {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.error-contact a {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

/* ============================================
   Page Animations (subtle)
   ============================================ */
.page-content {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Success Page
   ============================================ */
.success-page {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

.success-card {
    text-align: center;
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    color: var(--color-secondary);
}

.success-icon svg {
    width: 100%;
    height: 100%;
}

.success-page h1 {
    font-size: var(--text-4xl);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.success-message {
    font-size: var(--text-xl);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.success-detail {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
}

.success-info {
    text-align: left;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.success-info h2 {
    font-size: var(--text-lg);
    color: var(--color-gray-800);
    margin-bottom: var(--space-4);
}

.success-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.success-list li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-3);
    color: var(--color-gray-600);
}

.success-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
}

.success-note {
    background: var(--color-info);
    background: rgba(37, 99, 235, 0.1);
    border-left: 4px solid var(--color-primary);
    padding: var(--space-4);
    margin-bottom: var(--space-6);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    text-align: left;
}

.success-note p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.success-actions {
    margin-top: var(--space-6);
}

/* ============================================
   Portal Pages (Login, Check Email, Home)
   ============================================ */
.portal-page {
    max-width: 760px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

.portal-form {
    max-width: 520px;
}

.welcome-email {
    margin-bottom: var(--space-6);
}

.portal-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

/* ============================================
   Validation Error Summary
   ============================================ */
.error-summary {
    background: rgba(220, 38, 38, 0.05);
    border: 2px solid var(--color-error);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
}

.error-summary-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-error);
    margin-bottom: var(--space-4);
}

.error-summary-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.error-summary-list li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
    font-size: var(--text-sm);
}

.error-summary-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 6px;
    height: 6px;
    background: var(--color-error);
    border-radius: 50%;
}

/* ============================================
   PDF Preview Split-Screen Layout
   ============================================ */

/*
 * Mobile-first: PDF pane hidden, form takes full width.
 * Desktop (≥1024px): Side-by-side grid with sticky PDF on the left.
 */

/* Layout container */
.correction-layout {
    display: block;
}

/* PDF Pane — hidden on mobile */
.pdf-pane {
    display: none;
}

/* Form Pane — full width on mobile */
.form-pane {
    padding: 0 var(--space-4);
}

/* Intro hint about PDF (hidden on mobile, shown on desktop) */
.form-intro-hint {
    display: none;
}

/* Mobile FAB: floating button to open PDF in new tab */
.mobile-pdf-fab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: var(--color-gray-800);
    color: white;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 100;
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    transition: all var(--transition-normal);
    min-height: 48px;
}

.mobile-pdf-fab:hover {
    background: var(--color-gray-900);
    color: white;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.2),
        0 3px 6px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.mobile-pdf-fab svg {
    flex-shrink: 0;
}

/* PDF Pane internal structure */
.pdf-pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
}

.pdf-pane-title {
    font-family: var(--font-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-gray-700);
    margin: 0;
}

.pdf-pane-link {
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.pdf-pane-link:hover {
    color: var(--color-primary-light);
}

.pdf-viewer {
    flex: 1;
    overflow: hidden;
    background: var(--color-gray-700);
    position: relative;
}

.pdf-iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
}

.pdf-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
    text-align: center;
    color: var(--color-gray-300);
    height: 100%;
}

.pdf-fallback p {
    margin: 0;
}

/* ============================================
   Desktop Split-Screen (≥1024px)
   ============================================ */
@media (min-width: 1024px) {

    /* When the body has the pdf-pane class, adjust the overall page */
    .has-pdf-pane .main-content {
        padding: 0;
        min-height: auto;
    }

    .has-pdf-pane .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
    }

    /* The correction layout becomes a side-by-side grid */
    .has-pdf-pane .correction-layout {
        display: grid;
        grid-template-columns: 2fr 3fr;
        height: calc(100vh - 57px); /* viewport minus header */
        overflow: hidden;
    }

    /* PDF Pane visible on desktop */
    .has-pdf-pane .pdf-pane {
        display: flex;
        flex-direction: column;
        border-right: 1px solid var(--color-gray-200);
        height: 100%;
        overflow: hidden;
    }

    /* Form Pane scrolls independently */
    .has-pdf-pane .form-pane {
        height: 100%;
        overflow-y: auto;
        padding: var(--space-8) var(--space-10);
    }

    /* Hide the mobile FAB on desktop */
    .has-pdf-pane .mobile-pdf-fab {
        display: none;
    }

    /* Show the intro hint about PDF */
    .has-pdf-pane .form-intro-hint {
        display: inline;
        color: var(--color-gray-400);
        font-size: var(--text-sm);
    }

    /* Adjust the correction form max-width inside the pane */
    .has-pdf-pane .correction-form-page {
        max-width: 900px;
    }

    /* Hide footer in split-screen mode to maximize space */
    .has-pdf-pane .site-footer {
        display: none;
    }
}

/* ============================================
   Plan Page - Premium Pricing Cards
   ============================================ */
.plan-page {
    max-width: 1100px;
}

.plan-page__header {
    margin-bottom: var(--space-10);
}

.plan-page__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-3);
}

.plan-page__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 560px;
}

/* Current Plan Summary Card */
.current-plan-summary {
    background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-8);
    margin-bottom: var(--space-10);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.current-plan-summary__info {
    flex: 1;
    min-width: 200px;
}

.current-plan-summary__kicker {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.current-plan-summary__kicker svg {
    width: 16px;
    height: 16px;
}

.current-plan-summary__name {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin: 0 0 var(--space-2) 0;
}

.current-plan-summary__details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.current-plan-summary__detail {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.current-plan-summary__detail svg {
    width: 16px;
    height: 16px;
    color: var(--color-secondary);
    flex-shrink: 0;
}

.current-plan-summary__price {
    text-align: right;
}

.current-plan-summary__price-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-secondary-dark);
}

.current-plan-summary__price-period {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Plan Comparison Section */
.plan-comparison {
    margin-bottom: var(--space-12);
}

.plan-comparison__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
}

/* Plan Cards Grid */
.plan-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.plan-card {
    background: white;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    position: relative;
}

.plan-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.plan-card.is-current {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.03) 0%, white 40%);
}

.plan-card.is-recommended {
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(234, 88, 12, 0.15);
}

.plan-card__badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-primary);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.plan-card.is-recommended .plan-card__badge {
    background: var(--color-accent);
}

.plan-card__header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-gray-100);
}

.plan-card__name {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin: 0 0 var(--space-2) 0;
}

.plan-card__tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin: 0;
}

.plan-card__pricing {
    margin-bottom: var(--space-4);
}

.plan-card__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.plan-card__price-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    line-height: 1;
}

.plan-card__price-period {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.plan-card__limit {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-top: var(--space-2);
}

.plan-card__features {
    flex: 1;
    margin-bottom: var(--space-6);
}

.plan-card__feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.plan-card__feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.plan-card__feature-list li svg {
    width: 18px;
    height: 18px;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 1px;
}

.plan-card__action {
    margin-top: auto;
}

.plan-card__action .btn {
    width: 100%;
    justify-content: center;
}

.plan-card.is-recommended .btn-primary {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.plan-card.is-recommended .btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

/* Plan Status Badge */
.plan-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
}

.plan-status.is-active {
    background: rgba(5, 150, 105, 0.1);
    color: var(--color-secondary-dark);
}

.plan-status svg {
    width: 16px;
    height: 16px;
}

/* Dashboard Improvements */
.dashboard-welcome {
    margin-bottom: var(--space-8);
}

.dashboard-welcome__greeting {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.dashboard-welcome__email {
    font-size: var(--text-base);
    color: var(--color-gray-600);
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.dashboard-card {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
}

.dashboard-card:hover {
    border-color: var(--color-gray-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.dashboard-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.dashboard-card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.dashboard-card__icon svg {
    width: 24px;
    height: 24px;
}

.dashboard-card__icon--green {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.dashboard-card__icon--orange {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

.dashboard-card__status {
    font-family: var(--font-secondary);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

.dashboard-card__status--soon {
    background: #FEF3C7;
    color: #92400E;
}

.dashboard-card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--space-2);
}

.dashboard-card__description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.dashboard-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-primary);
}

.dashboard-card__link:hover {
    color: var(--color-primary-light);
}

.dashboard-card__link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.dashboard-card__link:hover svg {
    transform: translateX(2px);
}

/* Responsive adjustments for new components */
@media (max-width: 768px) {
    .current-plan-summary {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-5);
    }

    .current-plan-summary__price {
        text-align: left;
        width: 100%;
        margin-top: var(--space-4);
        padding-top: var(--space-4);
        border-top: 1px solid rgba(37, 99, 235, 0.2);
    }

    .plan-cards {
        grid-template-columns: 1fr;
    }

    .plan-page__title {
        font-size: var(--text-3xl);
    }

    .app-nav__links {
        display: none;
    }

    .user-menu__info {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .site-logo__image {
        height: 32px;
    }

    .site-logo__text {
        display: none;
    }

    .plan-page__header {
        margin-bottom: var(--space-6);
    }

    .current-plan-summary {
        padding: var(--space-4);
    }

    .plan-card {
        padding: var(--space-5);
    }
}