/* ═══════════════════════════════════════════════════════════════
   Brutalistisk designsystem — Rust OCR Benchmark
   
   Principper:
   - Høj kontrast, ingen kompromis
   - Skarpe kanter (0px border-radius)
   - Monospace til data, sans-serif til tekst
   - Tykke grænser definerer struktur
   - Ingen gradienter, ingen skygger
   - Mørk smaragdgrøn (#046307) til fremhævning
   - Rå, ærlig præsentation af information
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────
   1. Designvariabler
   ───────────────────────────────────────────────────────────── */

:root {
    --bg: #ffffff;
    --fg: #000000;
    --fg-muted: #444444;
    --border: #000000;
    --border-light: #cccccc;
    --computed: #046307;
    --error: #ff0000;
    --working: #046307;
    --ready: #046307;
    --batch-bg: #f5f5f5;
    --image-bg: #f0f0f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ─────────────────────────────────────────────────────────────
   2. Basis og typografi
   ───────────────────────────────────────────────────────────── */

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    line-height: 1.5;
    background: var(--bg);
    color: var(--fg);
    -webkit-font-smoothing: antialiased;
}

h1 {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    margin: 0;
}

h4 {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-muted);
    margin: 0 0 0.5rem 0;
}

/* ─────────────────────────────────────────────────────────────
   3. App-header
   ───────────────────────────────────────────────────────────── */

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 4px solid var(--border);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.app-header h1 {
    flex-shrink: 0;
}

#status {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.4rem 0.75rem;
    border: 2px solid var(--border);
    min-width: 200px;
    text-align: center;
}

#status.ready {
    border-color: var(--ready);
    color: var(--ready);
    background: #f0fff0;
}

#status.error {
    border-color: var(--error);
    color: var(--error);
    background: #fff0f0;
}

#status.working {
    border-color: var(--working);
    color: var(--working);
    background: #f0fff0;
}

.app-description {
    font-size: 1rem;
    color: var(--fg-muted);
    margin: 0 0 1.5rem 0;
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────
   4. Kontroller: tilstand og batch
   ───────────────────────────────────────────────────────────── */

.mode-selector {
    margin: 0 0 1.5rem 0;
    padding: 1rem;
    background: var(--bg);
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.mode-selector label {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.mode-selector select {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border);
    border-radius: 0;
    font-size: 1rem;
    background: var(--bg);
    cursor: pointer;
    font-weight: 600;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='black' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.batch-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.batch-toggle input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    border: 2px solid var(--border);
    border-radius: 0;
    appearance: none;
    background: var(--bg);
    position: relative;
}

.batch-toggle input[type="checkbox"]:checked {
    background: var(--border);
}

.batch-toggle input[type="checkbox"]:checked::after {
    content: '✓';
    color: white;
    position: absolute;
    top: -2px;
    left: 3px;
    font-size: 16px;
    font-weight: 900;
}

.batch-toggle label {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    cursor: pointer;
}

/* ─────────────────────────────────────────────────────────────
   5. Upload-felt
   ───────────────────────────────────────────────────────────── */

.upload-zone {
    border: 3px dashed var(--border);
    padding: 2.5rem 2rem;
    text-align: center;
    margin: 0 0 1.5rem 0;
    transition: background 0.1s, border-style 0.1s;
    background: var(--bg);
}

.upload-zone:hover, .upload-zone.dragover {
    background: #f5f5f5;
    border-style: solid;
}

.upload-zone p {
    margin: 0 0 1rem 0;
    font-weight: 600;
    font-size: 1rem;
}

input[type="file"] { display: none; }

button {
    background: var(--fg);
    color: var(--bg);
    border: 3px solid var(--fg);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: none;
}

button:hover {
    background: var(--bg);
    color: var(--fg);
}

button:disabled {
    background: var(--border-light);
    border-color: var(--border-light);
    color: #888;
    cursor: not-allowed;
}

/* ─────────────────────────────────────────────────────────────
   6. Spinner
   ───────────────────────────────────────────────────────────── */

#spinner {
    display: none;
    width: 28px;
    height: 28px;
    margin: 0.75rem auto;
    border: 4px solid var(--border-light);
    border-top-color: var(--border);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

#spinner.visible { display: block; }

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

/* ─────────────────────────────────────────────────────────────
   7. Hovedlayout til OCR-resultater
   ───────────────────────────────────────────────────────────── */

.main-grid {
    display: none;
    grid-template-columns: 3fr 2fr;
    gap: 1.5rem;
    align-items: start;
}

.main-grid.visible {
    display: grid;
}

/* ─────────────────────────────────────────────────────────────
   8. Billedpanel med original og annotationer
   ───────────────────────────────────────────────────────────── */

.image-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    min-width: 0;
}

.image-block {
    border: 2px solid var(--border);
    padding: 1rem;
    background: var(--bg);
    min-width: 0;
}

.image-block h4 {
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-light);
}

#preview,
.image-block canvas {
    max-width: 100%;
    max-height: 480px;
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    border: 1px solid var(--border-light);
    background: var(--image-bg);
}

#preview {
    display: none;
}

#preview.visible { display: block; }

.image-meta {
    margin-top: 0.5rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.75rem;
    color: var(--fg-muted);
    font-weight: 600;
}

/* ─────────────────────────────────────────────────────────────
   9. Datapanel
   ───────────────────────────────────────────────────────────── */

.data-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.text-output-block,
.timing-block,
.metadata-block {
    border: 2px solid var(--border);
    padding: 1rem;
    background: var(--bg);
}

.text-output-block h4,
.timing-block h4,
.metadata-block h4 {
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-light);
}

#textOutput {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    background: #f8f8f8;
    border: 1px solid var(--border-light);
    padding: 0.75rem;
    min-height: 3rem;
    max-height: 200px;
    overflow-y: auto;
}

/* ─────────────────────────────────────────────────────────────
   10. Timingvisning
   ───────────────────────────────────────────────────────────── */

#timingTable {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
}

.timing-section-header {
    background: var(--border);
    color: var(--bg);
    font-size: 0.65rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.timing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border-light);
    gap: 1rem;
}

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

.timing-row:hover {
    background: #f5f5f5;
}

.timing-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--fg-muted);
}

.timing-value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--fg);
    text-align: right;
    white-space: nowrap;
}

/* Beregnede værdier markeres med smaragdgrøn accent. */
.timing-computed {
    border-left: 3px solid var(--computed);
}

.timing-computed .timing-label,
.timing-computed .timing-value {
    color: var(--computed);
}

.timing-info .timing-label {
    font-weight: 700;
    color: var(--fg);
}

.timing-info .timing-value {
    font-weight: 600;
    color: var(--fg-muted);
}

/* ─────────────────────────────────────────────────────────────
   11. Metadata
   ───────────────────────────────────────────────────────────── */

.metadata-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-light);
    gap: 1rem;
}

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

.metadata-label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--fg-muted);
}

.metadata-value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--fg);
}

/* ─────────────────────────────────────────────────────────────
   12. Batch-galleri
   ───────────────────────────────────────────────────────────── */

#batchPreview {
    display: none;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 0 0 1.5rem 0;
    max-height: 300px;
    overflow-y: auto;
    padding: 1rem;
    background: var(--batch-bg);
    border: 2px solid var(--border);
}

.batch-thumbnail {
    width: 100px;
    height: 120px;
    border: 3px solid var(--border);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: white;
    transition: none;
    display: flex;
    flex-direction: column;
}

.batch-thumbnail:hover {
    border-color: var(--computed);
}

.batch-thumbnail.active {
    border-color: var(--computed);
    background: #f0fff0;
    outline: 3px solid var(--computed);
    outline-offset: -3px;
}

.batch-summary-thumbnail {
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    text-align: center;
}

.batch-summary-title {
    font-size: 0.72rem;
    font-weight: 900;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.batch-thumbnail img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.batch-badge {
    position: absolute;
    top: 0;
    left: 0;
    min-width: 22px;
    height: 22px;
    background: var(--border);
    color: white;
    font-size: 0.7rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    z-index: 1;
    font-family: monospace;
}

/* Timingindikator for batch-thumbnails. */
.batch-timing {
    display: none;
    height: 20px;
    background: var(--border-light);
    position: relative;
    flex-shrink: 0;
    border-top: 1px solid var(--border-light);
}

.batch-timing-bar {
    height: 100%;
    background: var(--computed);
    transition: width 0.2s ease;
}

.batch-timing-label {
    position: absolute;
    top: 0;
    right: 2px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--fg);
    line-height: 20px;
    padding: 0 2px;
    background: rgba(255,255,255,0.8);
}

/* ─────────────────────────────────────────────────────────────
   13. Responsiv layout
   ───────────────────────────────────────────────────────────── */

@media (max-width: 1100px) {
    .main-grid.visible {
        grid-template-columns: 1fr;
    }
    
    #preview,
    .image-block canvas {
        max-height: 360px;
    }
}

@media (max-width: 700px) {
    body {
        padding: 1rem;
    }
    
    .app-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .mode-selector {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .batch-toggle {
        margin-left: 0;
    }
}