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

:root {
    --bg: #0a0a1a;
    --text: #e0eaf5;
    --muted: #9ca8c0;
    --muted-2: #6b7a96;
    --muted-3: #4a5568;
    --panel: #111127;
    --panel-alt: #0d0d20;
    --panel-hover: #1a1a3a;
    --border: #2a2a50;
    --border-soft: #1e1e3a;
    --accent: #00d4ff;
    --accent-hover: #00b8e6;
    --menu-active-bg: #0e1a30;
    --subrow-bg: #0c1628;
    --subrow-border: #1a3050;
    --subrow-text: #7dd3fc;
    --danger: #ef4444;
}

body[data-theme="light"] {
    --bg: #f0f4ff;
    --text: #1a1a2e;
    --muted: #3f4a6a;
    --muted-2: #5a6580;
    --muted-3: #7a8599;
    --panel: #ffffff;
    --panel-alt: #f8f9ff;
    --panel-hover: #e8eeff;
    --border: #c5d0e8;
    --border-soft: #d5ddf0;
    --accent: #0066cc;
    --accent-hover: #0055b3;
    --menu-active-bg: #e0ecff;
    --subrow-bg: #edf2ff;
    --subrow-border: #b8c8f0;
    --subrow-text: #1a3a6a;
    --danger: #b42318;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.container {
    max-width: 1720px;
    margin: 0 auto;
    padding: 40px 20px;
}

.top-menu {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    align-items: center;
}

.customer-info-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 13px;
    flex-wrap: wrap;
}
.customer-info-bar .ci-label { color: var(--muted-3); font-weight: 500; }
.customer-info-bar .ci-value { color: var(--text); }
.customer-info-bar .ci-sep { color: var(--border); margin: 0 4px; }
.customer-info-bar .ci-change {
    margin-left: auto;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}
.customer-info-bar .ci-change:hover { text-decoration: underline; }

.theme-toggle {
    margin-left: auto;
    background: var(--panel);
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    cursor: pointer;
}

.menu-btn {
    background: var(--panel);
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    cursor: pointer;
}

.menu-btn.active {
    color: var(--text);
    border-color: var(--accent);
    background: var(--menu-active-bg);
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.2rem;
    color: var(--text);
    margin-bottom: 8px;
}

header p {
    color: var(--muted-2);
    font-size: 1rem;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.08);
}

.drop-zone svg {
    color: var(--muted-3);
    margin-bottom: 16px;
}

.drop-zone p {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 6px;
}

.drop-zone small {
    color: var(--muted-3);
    font-size: 0.85rem;
}

.options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.options label {
    color: var(--muted);
    font-size: 0.95rem;
}

.options select {
    background: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.95rem;
    margin-left: 6px;
    cursor: pointer;
}

.options input[type="file"] {
    max-width: 180px;
    color: var(--muted);
    font-size: 0.82rem;
}

.options button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 28px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
}

.options button:hover:not(:disabled) {
    background: var(--accent-hover);
}

.options button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 20px;
}

.file-info span {
    color: var(--text);
    font-size: 0.9rem;
}

.file-info button {
    background: none;
    border: 1px solid var(--border);
    color: var(--muted-2);
    border-radius: 4px;
    padding: 4px 12px;
    cursor: pointer;
    font-size: 0.85rem;
}

.file-info button:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.progress {
    text-align: center;
    margin-top: 30px;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 14px;
}

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

.progress p {
    color: var(--muted-2);
    font-size: 0.95rem;
}

.results {
    margin-top: 30px;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.backend-indicator {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--muted);
    background: var(--panel-alt);
}

.backend-indicator.gpu {
    border-color: #10b981;
    color: #6ee7b7;
}

.backend-indicator.cpu {
    border-color: #06b6d4;
    color: #67e8f9;
}

.results-header h2 {
    font-size: 1.3rem;
    color: var(--text);
}

.results-header button,
.toggle-btn {
    background: var(--panel);
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.results-header button:hover,
.toggle-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

.raw-header {
    margin-top: 30px;
}

.doc-fields {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 20px;
}

.doc-fields h3 {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.field-row {
    display: flex;
    align-items: center;
    padding: 6px 12px;
    border-bottom: 1px solid var(--panel-hover);
}

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

.field-label {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 100px;
    flex-shrink: 0;
}

.field-value {
    color: var(--text);
    font-size: 0.95rem;
}

.mono {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    overflow-y: visible;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: var(--panel);
}

.data-table {
    width: max-content;
    min-width: 100%;
    border-collapse: collapse;
    background: var(--panel);
}

.data-table th {
    background: var(--panel-hover);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 3;
    white-space: nowrap;
}

.data-table td {
    padding: 9px 12px;
    font-size: 0.85rem;
    color: var(--text);
    border-bottom: 1px solid var(--panel-hover);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: var(--panel-hover);
}

.data-table tbody tr.allocation-subrow td {
    background: var(--subrow-bg);
    color: var(--subrow-text);
    font-size: 0.8rem;
    padding: 6px 12px;
    border-bottom: 1px dashed var(--subrow-border);
}

.data-table tbody tr.allocation-subrow:hover {
    background: transparent;
}

@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 24px 12px;
    }

    .data-table td,
    .data-table th {
        padding: 8px 10px;
        font-size: 0.78rem;
    }
}

.no-text {
    color: var(--muted-3);
    font-size: 0.9rem;
    font-style: italic;
    padding: 8px 12px;
}

.page-result {
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}

.page-result h3 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 14px;
}

.text-line {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--panel-hover);
}

.text-line:last-child {
    border-bottom: none;
}

.text-line .text {
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.5;
    word-break: break-word;
}

.text-line .confidence {
    color: var(--muted-3);
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.so-card {
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: var(--panel-alt);
    padding: 18px;
    max-width: 760px;
}

.so-card h2 {
    color: var(--text);
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.so-subtitle {
    color: var(--muted-2);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.so-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    border: 1px solid var(--border);
}

.so-grid label {
    padding: 8px 10px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.so-grid input {
    padding: 8px 10px;
    border: 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    outline: none;
}

.so-grid label:nth-last-child(-n + 2),
.so-grid input:last-child {
    border-bottom: 0;
}
.so-grid select {
    border: 0;
    padding: 8px 10px;
    background: var(--panel);
    color: var(--text);
    font-size: 0.9rem;
    outline: none;
    border-bottom: 1px solid var(--border);
}
.input-readonly {
    background: var(--panel-hover) !important;
    color: var(--muted-2) !important;
    cursor: default !important;
}

.so-actions {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.so-actions button {
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 6px;
    padding: 8px 16px;
    cursor: pointer;
}

.so-actions button:disabled {
    opacity: 0.6;
}

#so-status {
    color: var(--muted);
    font-size: 0.85rem;
}

/* ─── Unregistered Spec Modal ─── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-box {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    max-width: 520px;
    width: 92%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    margin: 0;
    font-size: 1.05rem;
}
.modal-close {
    background: none;
    border: 0;
    color: var(--muted);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}
.modal-close:hover {
    color: var(--text);
}
.modal-wide {
    max-width: 580px;
}
.modal-body {
    padding: 16px 20px;
}
.modal-section-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--danger);
    margin: 8px 0 4px;
}
.modal-section-title:first-child {
    margin-top: 0;
}
.modal-spec-list {
    margin: 6px 0 12px;
    padding-left: 20px;
}
.modal-spec-list li {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.95rem;
    padding: 3px 0;
    color: var(--text);
}
.modal-hint {
    font-size: 0.85rem;
    color: var(--muted-2);
    margin-top: 8px;
}
.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}
.modal-footer .btn {
    padding: 7px 16px;
    border-radius: 6px;
    border: 0;
    cursor: pointer;
    font-size: 0.9rem;
}
.btn-secondary {
    background: var(--panel-hover);
    color: var(--text);
    border: 1px solid var(--border) !important;
}
.btn-secondary:hover {
    background: var(--border);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
}