:root {
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --bg-header: #0f172a;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --border: #334155;
    --radius: 0.5rem;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    background-color: rgba(15, 23, 42, 0.9);
}

header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.header-actions-form {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
}

.nav-buttons {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 9999px;
}

.save-next-btn {
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
    padding: 0.65rem 1.25rem;
    font-weight: 700;
}

/* Forms & Inputs */
input[type="text"],
input[type="number"],
select,
textarea {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

button,
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.95rem;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-ghost {
    background-color: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--text-main);
    border-color: var(--border);
    background-color: rgba(255, 255, 255, 0.04);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #2d3748;
    border-color: #4a5568;
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid transparent;
}

.btn-danger:hover:not(:disabled) {
    background-color: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    gap: 0.25rem;
    height: auto;
    min-height: 0;
}

.btn-icon {
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

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

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

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.p-4 {
    padding: 1rem;
}

.m-0 {
    margin: 0;
}

.w-full {
    width: 100%;
}

.text-sm {
    font-size: 0.875rem;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Specific Components */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-ok {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.status-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

/* Editor Specific */
.editor-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    height: calc(100vh - 65px);
    /* Adjust based on header height */
}

.editor-sidebar {
    width: 400px;
    min-width: 250px;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-body);
    overflow: hidden;
    height: 100%;
}

.editor-layout .splitter {
    position: relative;
}

.splitter {
    width: 12px;
    background-color: var(--bg-body);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    z-index: 10;
    flex-shrink: 0;
}

.splitter:hover,
.splitter.dragging {
    background-color: var(--border);
}

.splitter::after {
    content: "";
    width: 4px;
    height: 32px;
    background-color: var(--border);
    border-radius: 2px;
}

.splitter:hover::after,
.splitter.dragging::after {
    background-color: var(--text-muted);
}

.editor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #000;
    /* Darker background for image viewer */
    position: relative;
    overflow: hidden;
    height: 100%;
}

.toolbar {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    background-color: var(--bg-card);
    align-items: center;
}

.toolbar-top-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
    flex-wrap: wrap;
}

.toolbar-field-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.toolbar-divider {
    border-left: 1px solid var(--border);
    padding-left: 0.5rem;
    margin-left: 0.25rem;
}

.editor-model-select {
    flex: 1 1 180px;
    min-width: 130px;
}

.editor-compact-select,
.editor-compact-input {
    font-size: 0.86rem;
    padding: 0.32rem 0.5rem;
    line-height: 1.2;
}

.transcription-area {
    flex: 1;
    padding: 1rem;
    background-color: var(--bg-body);
    color: var(--text-main);
    border: none;
    resize: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.font-size-controls {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.font-size-controls .btn {
    padding: 0.2rem 0.45rem;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
}

.transcription-area:focus {
    outline: none;
    background-color: #1e293b;
}

.image-viewer {
    position: relative;
    flex: 1;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    cursor: grab;
    padding: 0.75rem;
    touch-action: none;
}

.image-viewer.panning {
    cursor: grabbing;
}

.image-stage {
    position: relative;
    flex: 1;
    background: var(--bg-card);
    border-radius: 0.5rem;
    overflow: hidden;
}

.image-stage img {
    position: absolute;
    top: 0;
    left: 0;
    max-width: none;
    max-height: none;
    width: auto;
    height: auto;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transform-origin: top left;
    will-change: transform;
}

.floating-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(4px);
    padding: 0.5rem;
    border-radius: 9999px;
    display: flex;
    gap: 0.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

/* List View */
.file-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    transition: background-color 0.1s;
}

.file-item:hover {
    background-color: var(--bg-card);
}

.file-item.active {
    background-color: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--primary);
}

/* Loading Spinner */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

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

/* ── Demo Page ──────────────────────────────────────────────────── */

.demo-upload-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    gap: 1rem;
}

.demo-dropzone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    max-width: 520px;
    min-height: 50vh;
    padding: 3rem 2rem;
    border: 2px dashed var(--border);
    border-radius: 1rem;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
    background: var(--bg-card);
}

.demo-dropzone:hover,
.demo-dropzone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.demo-dropzone.has-file {
    border-color: rgba(16, 185, 129, 0.55);
    background: rgba(16, 185, 129, 0.08);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}

.demo-dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.demo-dropzone-icon {
    color: var(--text-muted);
    transition: color 0.2s;
}

.demo-dropzone:hover .demo-dropzone-icon {
    color: var(--primary);
}

.demo-dropzone-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-main);
}

.demo-instructions-box {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.demo-instructions-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.demo-instructions-input {
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    min-height: 2.5rem;
}

.demo-pending-file {
    width: 100%;
    max-width: 520px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1rem;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(16, 185, 129, 0.28);
    border-radius: 0.85rem;
}

.demo-pending-file-meta {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.demo-pending-file-meta strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.demo-pending-file-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--success);
}

.demo-dropzone-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.demo-error {
    color: var(--danger);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius);
    max-width: 520px;
    width: 100%;
    text-align: center;
}

.demo-upload-actions {
    width: 100%;
    max-width: 520px;
    display: flex;
    justify-content: flex-end;
}

.demo-upload-actions .btn {
    min-width: 220px;
}

/* Steps */
.demo-steps-container {
    padding: 2rem 1.5rem;
}

.demo-steps-title {
    margin: 0 0 1.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.demo-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.demo-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-muted);
    transition: color 0.3s;
    position: relative;
}

.demo-step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 9px;
    top: calc(0.75rem + 20px);
    bottom: 0;
    width: 2px;
    background: var(--border);
    transition: background-color 0.3s;
}

.demo-step.done:not(:last-child)::after {
    background: var(--success);
}

.demo-step.active:not(:last-child)::after {
    background: var(--primary);
}

.demo-step-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.demo-step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.demo-step.active .demo-step-dot {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25);
    animation: demo-pulse 1.5s ease-in-out infinite;
}

.demo-step.done .demo-step-dot {
    background: var(--success);
}

.demo-step.active {
    color: var(--text-main);
}

.demo-step.done {
    color: var(--success);
}

.demo-step-label {
    font-size: 0.9rem;
    font-weight: 500;
}

@keyframes demo-pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.25); }
    50% { box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.1); }
}

.demo-processing-error {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: rgba(248, 113, 113, 0.08);
    border: 1px solid rgba(248, 113, 113, 0.25);
    border-radius: 0.5rem;
}

/* Canvas overlay */
.demo-canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    transform-origin: top left;
}

.demo-viewer-hint {
    position: absolute;
    top: 1.75rem;
    left: 50%;
    transform: translate(-50%, -0.5rem);
    padding: 0.65rem 1rem;
    border-radius: 9999px;
    background: rgba(15, 23, 42, 0.88);
    border: 1px solid rgba(148, 163, 184, 0.25);
    color: var(--text-main);
    font-size: 0.82rem;
    letter-spacing: 0.01em;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 5;
    white-space: nowrap;
}

.demo-viewer-hint.visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* Result */
.demo-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.demo-result-title {
    font-weight: 600;
    font-size: 1rem;
}

.demo-result-actions {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

/* ── Upsell banner ──────────────────────────────────────────────── */
.demo-upsell-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.25rem 1.5rem 0.25rem;
    padding: 1rem 1.25rem;
    background: color-mix(in srgb, var(--primary) 10%, var(--bg-card));
    border: 1.5px solid color-mix(in srgb, var(--primary) 35%, transparent);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    cursor: pointer;
}
.demo-upsell-banner:hover {
    background: color-mix(in srgb, var(--primary) 18%, var(--bg-card));
    border-color: color-mix(in srgb, var(--primary) 55%, transparent);
    box-shadow: 0 2px 14px color-mix(in srgb, var(--primary) 20%, transparent);
}
.demo-upsell-icon {
    flex-shrink: 0;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.demo-upsell-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.demo-upsell-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}
.demo-upsell-sub {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.demo-upsell-arrow {
    flex-shrink: 0;
    color: var(--primary);
    opacity: 0.7;
    transition: opacity 0.15s, transform 0.15s;
}
.demo-upsell-banner:hover .demo-upsell-arrow {
    opacity: 1;
    transform: translateX(3px);
}

/* ── Additional styles for handwriting_public ── */

/* Navigation */
.nav-bar {
    background-color: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
}
.nav-brand { font-weight: 700; font-size: 1.1rem; color: var(--text-main); }
.nav-brand:hover { color: var(--text-main); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); }
.nav-user { display: flex; align-items: center; gap: 0.75rem; }
.nav-user-name { color: var(--text-muted); font-size: 0.85rem; }

/* Dashboard */
.usage-strip { display: flex; gap: 2rem; padding: 1rem 1.5rem; background: var(--bg-card); border-radius: var(--radius); margin-bottom: 1.5rem; flex-wrap: wrap; }
.usage-stat { display: flex; flex-direction: column; }
.usage-stat-value { font-size: 1.25rem; font-weight: 700; color: var(--text-main); }
.usage-stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.project-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.project-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; transition: border-color 0.2s, transform 0.2s; cursor: pointer; text-decoration: none; color: inherit; display: block; }
.project-card:hover { border-color: var(--primary); transform: translateY(-2px); color: inherit; }
.project-card-name { font-weight: 600; font-size: 1rem; margin-bottom: 0.5rem; }
.project-card-meta { font-size: 0.8rem; color: var(--text-muted); display: flex; gap: 1rem; }
.search-snippets { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.4rem; }
.search-snippet { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; white-space: normal; word-break: break-word; }
.search-snippet mark { background: rgba(99, 102, 241, 0.3); color: var(--text-main); border-radius: 2px; padding: 0 2px; }

.new-project-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; }
.new-project-form h3 { margin: 0 0 1rem 0; font-size: 1rem; }
.form-row { display: flex; gap: 0.75rem; align-items: end; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }

/* Page grid */
.page-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; }
.page-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.75rem; text-align: center; transition: border-color 0.2s; cursor: pointer; text-decoration: none; color: inherit; display: block; }
.page-card:hover { border-color: var(--primary); color: inherit; }
.page-card-name { font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-bottom: 0.5rem; }
.page-status { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 9999px; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; }
.page-status.pending { background: rgba(148, 163, 184, 0.15); color: var(--text-muted); }
.page-status.processing { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.page-status.done { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.page-status.error { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

/* Usage table */
.usage-table { width: 100%; border-collapse: collapse; }
.usage-table th, .usage-table td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.usage-table th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.05em; }
.usage-table tr:hover td { background: rgba(255,255,255,0.02); }
.usage-total { font-weight: 700; border-top: 2px solid var(--border); }

/* Monthly chart */
.monthly-chart { display: flex; flex-direction: column; gap: 0.5rem; }
.monthly-bar-row { display: flex; align-items: center; gap: 0.75rem; }
.monthly-bar-label { width: 80px; font-size: 0.8rem; color: var(--text-muted); text-align: right; flex-shrink: 0; }
.monthly-bar { height: 24px; background: var(--primary); border-radius: 4px; min-width: 4px; transition: width 0.3s; }
.monthly-bar-value { font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; }

/* Content wrapper */
.content-wrapper { padding: 1.5rem; max-width: 1200px; margin: 0 auto; width: 100%; }

/* Flash messages */
.flash-messages { padding: 0 1.5rem; max-width: 1200px; margin: 0.75rem auto 0; width: 100%; }
.flash { padding: 0.6rem 1rem; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 0.5rem; }
.flash.error { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.flash.success { background: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.flash.info { background: rgba(99, 102, 241, 0.1); color: var(--primary); border: 1px solid rgba(99, 102, 241, 0.2); }

/* Empty state */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-muted); }
.empty-state h3 { color: var(--text-main); margin-bottom: 0.5rem; }

/* Page editor sidebar */
.page-sidebar { padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; flex: 1; min-height: 0; overflow: hidden; height: 100%; }
.page-sidebar .transcription-area { flex: 1; min-height: 100px; resize: none; }
.page-meta { font-size: 0.8rem; color: var(--text-muted); display: flex; flex-direction: column; gap: 0.25rem; }
.page-meta-item { display: flex; justify-content: space-between; }
.page-nav { display: flex; gap: 0.5rem; }

/* Credits coming soon */
.coming-soon { text-align: center; padding: 6rem 2rem; }
.coming-soon h2 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.coming-soon p { color: var(--text-muted); margin-bottom: 2rem; }

/* Batch Modal */
.batch-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.batch-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.batch-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.batch-modal-body {
    padding: 1rem 1.5rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.batch-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.export-modal {
    max-width: 520px;
}

/* Search Modal */
.search-modal { max-width: 600px; }

.search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    background: var(--bg-body);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: var(--radius, 0.375rem);
    outline: none;
}
.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.search-results {
    margin-top: 0.75rem;
    max-height: 50vh;
    overflow-y: auto;
}

.search-result-item {
    display: block;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius, 0.375rem);
    margin-bottom: 0.5rem;
    text-decoration: none;
    color: var(--text-main);
    transition: background 0.15s;
}
.search-result-item:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--text-main);
}

.search-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.search-result-filename {
    font-weight: 600;
    font-size: 0.85rem;
}

.search-result-score {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.search-result-snippet {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.search-result-snippet mark {
    background: rgba(99, 102, 241, 0.3);
    color: var(--text-main);
    border-radius: 2px;
    padding: 0 2px;
}

.export-modal form {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.export-fieldset {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.export-fieldset + .export-fieldset {
    margin-top: 1rem;
}

.export-label {
    font-weight: 500;
}

.export-radio {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
}

.export-range-row {
    margin-top: 1rem;
}

.batch-select-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.batch-page-checkboxes {
    max-height: 40vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
}

.batch-page-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.batch-page-item:last-child { border-bottom: none; }
.batch-page-item:hover { background: rgba(99, 102, 241, 0.05); }

.batch-page-item input[type="checkbox"] {
    accent-color: var(--primary);
    flex-shrink: 0;
}

.batch-page-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.batch-instructions {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--bg-body);
    color: var(--text-main);
    font-size: 0.85rem;
    font-family: inherit;
    resize: vertical;
}

/* Batch Progress Panel */
.batch-progress {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.batch-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
}

.batch-progress-bar-wrap {
    height: 4px;
    background: var(--border);
}

.batch-progress-bar {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
}

.batch-page-list {
    max-height: 200px;
    overflow-y: auto;
}

.batch-page-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 1.25rem;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border);
}

.batch-page-row:last-child { border-bottom: none; }

.batch-page-row-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: 0.75rem;
}

.batch-page-row-status {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    flex-shrink: 0;
}

.batch-page-row-status.processing { color: var(--primary); }
.batch-page-row-status.done { color: var(--success); }
.batch-page-row-status.error { color: var(--danger); }

.batch-summary {
    padding: 0.75rem 1.25rem;
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    background: rgba(99, 102, 241, 0.04);
}

/* ── OCR Feature ───────────────────────────────────────────────── */

/* OCR page range inputs */
.ocr-page-range-box {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.ocr-page-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ocr-page-input {
    width: 90px;
    text-align: center;
}

/* OCR processing */
.ocr-processing-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
}

.ocr-progress-card {
    width: 100%;
    max-width: 480px;
    padding: 2rem;
}

.ocr-progress-bar-wrap {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    margin: 1.5rem 0 0.75rem;
    overflow: hidden;
}

.ocr-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.ocr-progress-message {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* OCR result */
.ocr-result-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.ocr-result-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.ocr-result-meta {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    min-width: 0;
}

.ocr-result-doc-name {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ocr-result-actions-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ocr-download-group {
    display: flex;
    gap: 0.25rem;
}

.ocr-result-pages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.5rem;
}

.ocr-page-section {
    margin-bottom: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.ocr-page-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}

.ocr-page-section-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.ocr-page-text {
    margin: 0;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--text-main);
    white-space: pre-wrap;
    word-wrap: break-word;
    background: transparent;
}

/* Library */
.library-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.library-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.library-search-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.library-search-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-main);
    font-size: 0.9rem;
}

.library-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.library-detail-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.library-detail-title {
    margin: 0.25rem 0 0.25rem 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.library-detail-meta {
    margin-top: 0.15rem;
}

.library-detail-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Mobile Responsive Overrides */
@media (max-width: 768px) {
    .editor-layout {
        flex-direction: column-reverse;
        height: auto;
        min-height: calc(100vh - 65px);
        overflow-y: auto;
    }

    .editor-sidebar {
        width: 100% !important;
        height: auto !important;
        min-height: 50vh !important;
        border-right: none;
        border-top: 1px solid var(--border);
    }

    .editor-main {
        width: 100% !important;
        height: 50vh !important;
        min-height: 50vh !important;
    }

    .splitter {
        display: none !important;
    }

    .nav-bar {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.8rem;
    }

    .nav-user-name {
        display: none;
    }

    .demo-upload-container {
        padding: 2rem 1rem;
    }

    .demo-dropzone {
        min-height: 40vh;
        padding: 2rem 1.5rem;
    }

    .demo-pending-file {
        flex-direction: column;
        align-items: stretch;
    }

    .demo-upload-actions {
        justify-content: stretch;
    }

    .demo-upload-actions .btn {
        width: 100%;
    }

    .demo-steps-container {
        padding: 1.5rem 1rem;
    }

    .demo-result-header {
        padding: 0.75rem 1rem;
    }

    .demo-result-actions {
        padding: 0.75rem 1rem;
    }

    .demo-upsell-banner {
        margin: 1rem 1rem 0.25rem;
        padding: 0.875rem 1rem;
    }

    .demo-viewer-hint {
        top: 1rem;
        max-width: calc(100% - 2rem);
        white-space: normal;
        text-align: center;
    }

    .floating-controls {
        bottom: 0.5rem;
        padding: 0.25rem 0.5rem;
        transform: translateX(-50%) scale(0.9);
    }

    .content-wrapper {
        padding: 1rem;
    }

    .usage-strip {
        gap: 1rem;
        padding: 0.75rem 1rem;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .usage-table {
        font-size: 0.75rem;
    }

    .ocr-result-header-bar {
        padding: 0.75rem 1rem;
    }

    .ocr-result-pages {
        padding: 0.75rem;
    }

    .library-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .library-detail-header {
        flex-direction: column;
    }

    .library-detail-actions {
        width: 100%;
    }

    .ocr-result-actions-bar {
        width: 100%;
    }
}