/* Bunny Fonts - privacy-friendly */
@import url('https://fonts.bunny.net/css2?family=Advent+Pro:wght@400;500;600;700;800&family=Antic:wght@400&display=swap');

/* Material Symbols */
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0,0&display=swap');

/* Concordia palette & CSS variables - Updated with gold accent */
:root {
    /* Primary colors */
    --primary: #912338;
    --primary-dark: #710723;
    --primary-light: #a83448;
    --primary-hover: #7d1f30;

    /* Gold accent */
    --accent-gold: #e5a712;
    --accent-gold-light: #fff4e0;
    --accent-gold-hover: #c9920f;

    /* Surfaces */
    --bg-page: #fff8f7;
    --bg-card: #ffffff;
    --surface-container: #ffe9e9;
    --surface-container-low: #fff0f0;

    /* Borders & outlines */
    --border: #ddbfc1;
    --outline: #8a7172;

    /* Grays */
    --gray-900: #241919;
    --gray-700: #3a2d2e;
    --gray-600: #574143;
    --gray-500: #757575;
    --gray-400: #8a7172;
    --gray-300: #c7c7c7;
    --gray-200: #e0e0e0;
    --gray-100: #f3ddde;
    --gray-50: #f9e3e4;

    /* Semantic */
    --error: #ba1a1a;
    --error-bg: #E9D3D7;
    --success: #155724;
    --success-bg: #d4edda;

    /* Typography */
    --font-heading: 'Advent Pro', sans-serif;
    --font-body: 'Antic', sans-serif;
    --font-mono: 'Courier New', monospace;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
}

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

/* Material Symbols */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* Base */
html {
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--bg-page);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =====================================================
   HEADER - Modern horizontal style
   ===================================================== */
.header {
    background-color: #fff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1024px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-brand {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Language switcher */
.lang-switch {
    display: flex;
    background: var(--gray-100);
    border-radius: 8px;
    padding: 0.25rem;
    gap: 0.25rem;
}

.lang-switch button {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    color: var(--gray-500);
}

.lang-switch button:hover {
    color: var(--primary);
}

.lang-switch button.active {
    background: var(--primary);
    color: #fff;
}

.lang-switch button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* =====================================================
   NAVIGATION TABS
   ===================================================== */
.tabs {
    display: flex;
    gap: 0;
    background: transparent;
}

.tab {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
}

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

.tab.active {
    color: var(--primary);
    font-weight: 700;
    border-bottom-color: var(--accent-gold);
}

.tab:focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

/* =====================================================
   MAIN CONTAINER
   ===================================================== */
.container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
}

/* Page header */
.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

.site-tagline {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-description {
    font-family: var(--font-body);
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 800px;
}

/* =====================================================
   CARDS
   ===================================================== */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--gray-100);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card h2 .material-symbols-outlined {
    color: var(--primary);
}

.card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 1.5rem 0 1rem;
}

/* =====================================================
   PANELS
   ===================================================== */
.panel {
    display: none;
}

.panel.active {
    display: block;
}

.panel[hidden] {
    display: none;
}

/* =====================================================
   FIELDSETS & FORM SECTIONS
   ===================================================== */
.fieldset {
    border: none;
    border-bottom: 1px solid var(--gray-100);
    padding: 0 0 1.5rem 0;
    margin-bottom: 1.5rem;
}

.fieldset:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
}

.fieldset legend {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    margin-bottom: 1rem;
}

.fieldset legend .material-symbols-outlined {
    font-size: 20px;
}

/* =====================================================
   FORM ELEMENTS
   ===================================================== */
.form-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}

.form-group {
    grid-column: span 12;
    margin-bottom: 0;
}

.form-group--col-2 { grid-column: span 2; }
.form-group--col-3 { grid-column: span 3; }
.form-group--col-4 { grid-column: span 4; }
.form-group--col-5 { grid-column: span 5; }
.form-group--col-6 { grid-column: span 6; }
.form-group--col-8 { grid-column: span 8; }
.form-group--col-10 { grid-column: span 10; }

/* Gender group row - subtle styling for optional group gender */
.form-row--gender-group {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--gray-300);
}

.form-row--gender-group label {
    font-size: 0.8rem;
    color: var(--gray-500);
}

.form-row--gender-group select {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
}

/* Gender group selectors in CSV/Excel preview */
.gender-group-selectors {
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.gender-group-row {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.gender-group-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gender-group-item label {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 0;
    white-space: nowrap;
}

.gender-group-item select {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: white;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--gray-600);
}

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

input[type="text"],
input[type="number"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    background-color: #fff;
    color: var(--gray-900);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(145, 35, 56, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-400);
}

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

/* =====================================================
   UPLOAD ZONE
   ===================================================== */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-card);
    cursor: pointer;
    transition: all 0.2s;
}

.upload-zone:hover {
    border-color: var(--primary);
    background: var(--surface-container-low);
}

.upload-zone.drag-over {
    border-color: var(--accent-gold);
    background: var(--accent-gold-light);
    border-style: solid;
}

.upload-zone.drag-over .upload-zone-icon {
    transform: scale(1.15);
    background: var(--accent-gold);
}

.upload-zone.drag-over .upload-zone-icon .material-symbols-outlined {
    color: #fff;
}

.upload-zone-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent-gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: transform 0.2s;
}

.upload-zone:hover .upload-zone-icon {
    transform: scale(1.1);
}

.upload-zone-icon .material-symbols-outlined {
    font-size: 32px;
    color: var(--accent-gold);
}

.upload-zone h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.upload-zone p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

.upload-zone-formats {
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 1rem;
}

/* File input (hidden, triggered by upload zone) */
.file-input {
    display: none;
}

.file-input-visible {
    display: block;
    width: 100%;
    padding: 0.75rem;
    border: 2px dashed var(--border);
    border-radius: 8px;
    background: var(--surface-container-low);
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
    text-align: center;
    color: var(--gray-600);
}

.file-input-visible:hover {
    border-color: var(--primary);
    background: var(--surface-container);
}

/* =====================================================
   DYNAMIC LISTS (Co-researchers, Collaborators)
   ===================================================== */
.dynamic-list {
    margin-bottom: 0.75rem;
}

.dynamic-row {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--surface-container-low);
    border-radius: 8px;
    flex-wrap: wrap;
}

.dynamic-row .form-group {
    margin-bottom: 0;
    flex: 1;
    min-width: 120px;
}

.dynamic-row input,
.dynamic-row select {
    padding: 0.5rem 0.6rem;
    font-size: 0.9rem;
}

.btn-remove-row {
    flex: 0 0 auto;
    padding: 0.5rem;
    font-size: 1rem;
    background: transparent;
    border: none;
    color: var(--gray-400);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-remove-row:hover {
    color: var(--error);
    background: rgba(186, 26, 26, 0.1);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn:focus {
    outline: 3px solid rgba(145, 35, 56, 0.3);
    outline-offset: 2px;
}

.btn:active {
    transform: translateY(1px);
}

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

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

.btn--gold {
    background-color: var(--accent-gold);
    color: #fff;
    border-color: var(--accent-gold);
}

.btn--gold:hover {
    background-color: var(--accent-gold-hover);
    border-color: var(--accent-gold-hover);
}

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

.btn--secondary:hover {
    background-color: var(--surface-container-low);
}

.btn--small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn .material-symbols-outlined {
    font-size: 20px;
}

/* Form actions */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-100);
}

/* =====================================================
   CONTROLS ROW (Language, Sort)
   ===================================================== */
.controls-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--surface-container-low);
    border-radius: 12px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
}

.controls-left,
.controls-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.875rem;
    margin-bottom: 0;
    white-space: nowrap;
}

.control-group select {
    min-width: 160px;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
}

.control-group--checkbox {
    margin-left: 0.5rem;
}

.control-group--checkbox .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.control-group--checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* Export actions */
.export-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* =====================================================
   REFERENCES OUTPUT
   ===================================================== */
.references-output {
    background-color: #2c2c2c;
    color: #f0f0f0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 1.5rem;
    border-radius: 12px;
    max-height: 600px;
    overflow-y: auto;
}

.reference-item {
    padding: 1rem;
    padding-left: calc(1rem + 1.27cm); /* APA hanging indent */
    text-indent: -1.27cm; /* First line flush left, subsequent lines indented */
    border-bottom: 1px solid #444;
    cursor: pointer;
    transition: background-color 0.15s;
    position: relative;
}

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

.reference-item:hover {
    background-color: #3a3a3a;
}

.reference-item em {
    font-style: italic;
}

.reference-lang-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--accent-gold);
    background: rgba(229, 167, 18, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.reference-copy-hint {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-size: 0.7rem;
    color: #888;
    opacity: 0;
    transition: opacity 0.2s;
}

.reference-item:hover .reference-copy-hint {
    opacity: 1;
}

/* Section headers for status grouping */
.references-section-header {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-gold);
    padding: 0.75rem 1rem;
    margin: 0;
    background: rgba(229, 167, 18, 0.15);
    border-bottom: 1px solid rgba(229, 167, 18, 0.3);
}

.references-section-header:not(:first-child) {
    margin-top: 0.5rem;
    border-top: 1px solid #444;
}

/* =====================================================
   PREVIEW TABLE
   ===================================================== */
.table-container {
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.preview-table th,
.preview-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.preview-table thead th {
    background-color: var(--gray-50);
    color: var(--gray-600);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
}

.preview-table tbody tr:hover {
    background-color: var(--surface-container-low);
}

.preview-table input,
.preview-table select {
    width: 100%;
    min-width: 80px;
    padding: 0.4rem 0.5rem;
    font-size: 0.85rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
}

.preview-table input:focus,
.preview-table select:focus {
    border-color: var(--primary);
    background: #fff;
}

/* =====================================================
   ERROR BOX
   ===================================================== */
.error-box {
    background-color: var(--error-bg);
    border-left: 4px solid var(--primary);
    padding: 1rem 1.25rem;
    border-radius: 0 8px 8px 0;
    margin: 1rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.error-box .material-symbols-outlined {
    color: var(--primary);
    flex-shrink: 0;
}

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

.error-box li {
    margin-bottom: 0.25rem;
}

/* =====================================================
   FEEDBACK
   ===================================================== */
.feedback {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background-color: var(--success-bg);
    color: var(--success);
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* =====================================================
   HELP TEXT & DETAILS
   ===================================================== */
.help-text {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.help-text a {
    color: var(--primary);
    text-decoration: underline;
}

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

.help-text a.template-link {
    font-weight: 600;
    color: var(--accent-gold-hover);
}

.help-text a.template-link:hover {
    color: var(--accent-gold);
}

/* Help details (collapsible) */
.help-details {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
    overflow: hidden;
}

.help-details summary {
    padding: 1rem 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s;
}

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

.help-details summary .material-symbols-outlined {
    font-size: 20px;
    color: var(--accent-gold);
    transition: transform 0.2s;
}

.help-details[open] summary .material-symbols-outlined {
    transform: rotate(90deg);
}

.help-details summary:hover {
    background: var(--surface-container-low);
}

.help-details summary:focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

.help-content {
    padding: 0 1.25rem 1.25rem;
    border-top: 1px solid var(--gray-100);
}

.help-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    margin-top: 1rem;
}

.help-table th,
.help-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border: 1px solid var(--gray-200);
    vertical-align: top;
}

.help-table thead th {
    background-color: var(--primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
}

.help-table tbody tr:nth-child(even) {
    background-color: var(--surface-container-low);
}

.help-table code {
    background: var(--accent-gold-light);
    border: 1px solid var(--accent-gold);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    white-space: nowrap;
}

/* =====================================================
   BLUEBOOK / CITATION STANDARD CONTENT
   ===================================================== */
.bluebook-content {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--gray-900);
}

.bluebook-content h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-gold);
}

.bluebook-content h3:first-child {
    margin-top: 0;
}

.bluebook-content h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 1.5rem 0 0.75rem;
}

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

.bluebook-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.85rem;
}

.bluebook-content table th,
.bluebook-content table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border: 1px solid var(--gray-200);
    vertical-align: top;
}

.bluebook-content table thead th {
    background-color: var(--primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
}

.bluebook-content table tbody tr:nth-child(even) {
    background-color: var(--surface-container-low);
}

.bluebook-content pre {
    background: var(--gray-900);
    color: #f0f0f0;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    margin: 1rem 0;
}

.bluebook-content code {
    background: var(--accent-gold-light);
    border: 1px solid var(--accent-gold);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: var(--font-mono);
}

.bluebook-content pre code {
    background: transparent;
    border: none;
    padding: 0;
}

.bluebook-content blockquote {
    border-left: 4px solid var(--accent-gold);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--gray-600);
    font-style: italic;
}

.bluebook-content em {
    font-style: italic;
}

.bluebook-content strong {
    font-weight: 700;
}

.bluebook-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

.bluebook-content ul,
.bluebook-content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.bluebook-content li {
    margin-bottom: 0.5rem;
}

.bluebook-lang-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: 0.5rem;
}

.bluebook-lang-tabs button {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.2s;
}

.bluebook-lang-tabs button:hover {
    color: var(--primary);
    background: var(--surface-container-low);
}

.bluebook-lang-tabs button.active {
    color: var(--primary);
    background: var(--accent-gold-light);
    border-bottom: 3px solid var(--accent-gold);
    margin-bottom: -2px;
}

.bluebook-section {
    display: none;
}

.bluebook-section.active {
    display: block;
}

/* Required/Optional badges */
.badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge--required {
    background: var(--surface-container);
    color: var(--primary);
    border: 1px solid var(--accent-gold);
}

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

/* =====================================================
   PRIVACY NOTE
   ===================================================== */
.privacy-note {
    color: var(--gray-500);
    font-size: 0.8rem;
    text-align: center;
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.privacy-note .material-symbols-outlined {
    font-size: 16px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: 2rem 1.5rem;
    margin-top: auto;
}

.footer-inner {
    max-width: 1024px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--gray-700);
    font-size: 1rem;
}

.footer p {
    margin: 0.25rem 0;
    font-size: 0.8rem;
    color: var(--gray-600);
}

.footer-small {
    font-size: 0.75rem;
    color: var(--gray-500);
}

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

.footer a:hover {
    text-decoration: underline;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 1rem;
    }

    .header-left {
        flex-direction: column;
        gap: 1rem;
    }

    .tabs {
        flex-wrap: wrap;
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group--col-2,
    .form-group--col-3,
    .form-group--col-4,
    .form-group--col-5,
    .form-group--col-6,
    .form-group--col-8,
    .form-group--col-10 {
        grid-column: span 1;
    }

    .controls-row {
        flex-direction: column;
        align-items: stretch;
    }

    .controls-left,
    .controls-right {
        justify-content: center;
    }

    .export-actions {
        justify-content: center;
    }

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

    .page-header h1 {
        font-size: 1.5rem;
    }
}

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

    .card {
        padding: 1rem;
    }

    .upload-zone {
        padding: 2rem 1rem;
    }

    .lang-switch button {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Mobile tabs - horizontal scroll */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0;
    }

    .tabs::-webkit-scrollbar {
        display: none;
    }

    .tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Mobile titles */
    .site-title {
        font-size: 1.75rem;
    }

    .site-tagline {
        font-size: 0.9rem;
    }

    .site-description {
        font-size: 0.85rem;
    }

    /* Mobile card headers */
    .card h2 {
        font-size: 1.2rem;
        flex-wrap: wrap;
    }

    /* Mobile bluebook content */
    .bluebook-content pre {
        font-size: 0.7rem;
        padding: 0.75rem;
        overflow-x: auto;
    }

    .bluebook-content table {
        font-size: 0.75rem;
    }

    .bluebook-content table th,
    .bluebook-content table td {
        padding: 0.4rem 0.5rem;
    }

    .bluebook-lang-tabs button {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    /* Mobile help table */
    .help-table {
        font-size: 0.7rem;
    }

    .help-table th,
    .help-table td {
        padding: 0.4rem 0.5rem;
    }

    .help-table code {
        font-size: 0.65rem;
        padding: 0.1rem 0.25rem;
    }

    /* Mobile references output */
    .reference-item {
        padding: 0.75rem;
        padding-left: calc(0.75rem + 0.8cm);
        text-indent: -0.8cm;
        font-size: 0.8rem;
    }

    /* Mobile controls */
    .control-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        width: 100%;
    }

    .control-group select {
        min-width: 100%;
    }

    .export-actions {
        width: 100%;
        justify-content: stretch;
    }

    .export-actions .btn {
        flex: 1;
        min-width: 0;
    }

    /* Mobile dynamic rows */
    .dynamic-row {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .dynamic-row .form-group {
        min-width: 100%;
    }

    .btn-remove-row {
        align-self: flex-end;
        margin-top: -2rem;
    }
}

/* Extra small screens (iPhone SE, etc.) */
@media (max-width: 375px) {
    .header-inner {
        padding: 0.75rem 1rem;
    }

    .header-brand {
        font-size: 1rem;
    }

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

    .tab {
        padding: 0.4rem 0.5rem;
        font-size: 0.75rem;
    }

    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .btn--small {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }

    .reference-item {
        padding-left: calc(0.5rem + 0.6cm);
        text-indent: -0.6cm;
        font-size: 0.75rem;
    }
}