:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --text-primary: #1a1a1a;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --border-color: #e9ecef;
    --border-light: #dee2e6;
    --card-shadow: rgba(0, 0, 0, 0.04);
    --card-shadow-hover: rgba(0, 0, 0, 0.08);
    --accent-color: #1a1a1a;
    --accent-hover: #000000;
    --warning-color: #ffc107;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    letter-spacing: -0.011em;
    line-height: 1.6;
}

.app-header-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
}

.app-header-left {
    display: flex;
    align-items: center;
    justify-self: start;
    min-width: 0;
}

.app-header-center {
    justify-self: center;
}

.app-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-self: end;
}

.app-title {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.header-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .app-header-row {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 12px;
    }

    .app-header-left,
    .app-header-right {
        justify-self: center;
    }
}

.card {
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--card-shadow);
    background: var(--bg-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: 0 4px 16px var(--card-shadow-hover);
    transform: translateY(-2px);
}

.scan-pdf-preview:hover,
#scanReviewCard:hover {
    transform: none;
}

.btn {
    border-radius: 12px;
    padding: 10px 24px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    letter-spacing: -0.01em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    border-radius: 10px;
}

.form-control {
    border-radius: 12px;
    border: 2px solid var(--border-light);
    padding: 14px 18px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 500;
    font-family: ui-monospace, 'SF Mono', Consolas, monospace;
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(26, 26, 26, 0.06);
    outline: none;
    background: var(--bg-secondary);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    font-size: 11px;
}

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

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 10000;
}

.skip-link:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 18px;
    background: var(--accent-color);
    color: #ffffff;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
}

:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 4px;
}

.form-control:focus-visible {
    outline: none;
}

.scanner-inputs-row {
    align-items: stretch;
}

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

.scanner-namelist {
    flex: 1;
    min-height: 7rem;
    resize: vertical;
}

.scanner-dropzone {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-light);
    border-radius: 12px;
    background: var(--bg-tertiary);
    padding: 1.25rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
    position: relative;
    min-height: 8rem;
}

.scanner-dropzone:hover,
.scanner-dropzone.dragover {
    border-color: var(--accent-color);
    background: var(--bg-secondary);
}

#scannerFileInput {
    display: none;
}

.scanner-dropzone-icon {
    font-size: 2.25rem;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.scanner-dropzone-title {
    font-weight: 600;
    color: var(--text-primary);
}

.scanner-dropzone-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.scanner-status {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.scanner-status > span,
.scanner-status #scannerStatusText {
    font-weight: 500;
}

.scanner-file-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.75rem;
}

.scanner-file-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 999px;
    padding: 0.25rem 0.35rem 0.25rem 0.7rem;
    color: var(--text-primary);
}

.scanner-file-chip-name {
    line-height: 1.2;
}

.scanner-file-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1;
    cursor: pointer;
}

.scanner-file-chip-remove:hover {
    background: var(--border-light);
    color: var(--text-primary);
}

.scan-pdf-preview-toolbar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.15rem 0.35rem 0.45rem;
}

.scan-pdf-preview-actions {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.45rem 0.35rem 0.15rem;
}

.scan-pdf-preview-host {
    max-height: 60.5vh;
    overflow-x: hidden;
    overflow-y: auto;
    text-align: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.scan-pdf-preview-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.scan-pdf-preview-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
}

.scan-pdf-preview-viewport {
    position: relative;
    overflow: hidden;
    width: 100%;
    overscroll-behavior: contain;
}

.scan-pdf-preview-zoom {
    width: 100%;
    transform-origin: 0 0;
    will-change: transform;
}

.scan-pdf-preview-viewport.is-cropped .scan-pdf-preview-zoom {
    width: 100%;
    height: 100%;
}

.scan-pdf-preview-viewport.is-cropped .scan-pdf-preview-canvas {
    max-width: none;
    max-height: none;
    width: 100%;
    height: 100%;
    margin: 0;
}

.crop-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.crop-box {
    position: absolute;
    box-sizing: border-box;
    border: 2px solid #c62828;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.75);
    background: rgba(198, 40, 40, 0.06);
    pointer-events: auto;
    cursor: move;
}

.crop-handle {
    position: absolute;
    width: 9px;
    height: 9px;
    background: #fff;
    border: 1px solid #c62828;
    box-sizing: border-box;
    z-index: 1;
}

.crop-handle-nw { left: -5px; top: -5px; cursor: nwse-resize; }
.crop-handle-n { left: 50%; top: -5px; margin-left: -5px; cursor: ns-resize; }
.crop-handle-ne { right: -5px; top: -5px; cursor: nesw-resize; }
.crop-handle-e { right: -5px; top: 50%; margin-top: -5px; cursor: ew-resize; }
.crop-handle-se { right: -5px; bottom: -5px; cursor: nwse-resize; }
.crop-handle-s { left: 50%; bottom: -5px; margin-left: -5px; cursor: ns-resize; }
.crop-handle-sw { left: -5px; bottom: -5px; cursor: nesw-resize; }
.crop-handle-w { left: -5px; top: 50%; margin-top: -5px; cursor: ew-resize; }

body.is-cropping {
    user-select: none;
    cursor: grabbing;
}

.scan-pdf-preview-canvas {
    max-width: 100%;
    max-height: calc(60.5vh - 2.75rem);
    width: auto;
    height: auto;
    display: block;
    margin: 0 auto;
    border: 1px solid #adb5bd;
    box-sizing: border-box;
    background: #fff;
}

.result-section-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-list {
    font-family: ui-monospace, 'SF Mono', Consolas, monospace;
    font-size: 0.92rem;
}

.result-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.result-row-hit {
    cursor: pointer;
    border-radius: 6px;
    padding: 0.4rem 0.5rem;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
}

.result-row-hit:hover {
    background: var(--bg-tertiary);
}

.result-row-hit.is-selected {
    background: #fff4d6;
    box-shadow: inset 3px 0 0 #e67e22;
}

.result-row-hit:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 1px;
}

.result-text {
    color: var(--text-primary);
    font-weight: 500;
    white-space: normal;
    overflow-wrap: anywhere;
}

.result-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.result-empty {
    color: var(--text-muted);
    font-family: inherit;
    padding: 0.35rem 0;
}

.progress-bar {
    background: var(--accent-color);
}