/* ═══════════════════════════════════════════════════════════════
   DATA EXTRACTION DASHBOARD V2 — HKEX Dividends
   3-Column Layout: Queue | PDF Preview | AI Extraction Form
   ═══════════════════════════════════════════════════════════════ */

:root {
    --bg-body: #F5F1E9;
    --bg-panel: #FAF7F2;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F0EBE3;
    --bg-card-active: #EDE6DC;
    --bg-elevated: #FFFFFF;
    --bg-input: #FFFFFF;
    --bg-header: #FAF7F2;
    --bg-preview: #EDE8DF;

    --text-primary: #2D2926;
    --text-secondary: #5C534D;
    --text-muted: #7A726C;
    --text-dim: #A39A92;

    --accent: #D9886A;
    --accent-hover: #C4785C;
    --accent-soft: rgba(217, 136, 106, 0.18);
    --green: #3D8B5E;
    --green-soft: rgba(61, 139, 94, 0.14);
    --green-border: rgba(61, 139, 94, 0.35);
    --amber: #B8860B;
    --amber-soft: rgba(184, 134, 11, 0.14);
    --amber-border: rgba(184, 134, 11, 0.35);
    --red: #C45C4A;
    --red-soft: rgba(196, 92, 74, 0.14);
    --purple: #8B6B9E;
    --cyan: #5A8F9E;

    --border: #E5DDD4;
    --border-subtle: #EDE6DC;
    --divider: #E5DDD4;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --transition: 0.18s ease;
    --shadow-sm: 0 1px 3px rgba(45, 41, 38, 0.08);
    --shadow-md: 0 4px 14px rgba(45, 41, 38, 0.1);
}

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

html { font-size: 13px; }

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Header ───────────────────────────────────────────────── */

#app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 16px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon { font-size: 18px; }

.header-left h1 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.header-center {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.breadcrumb-item { color: var(--text-muted); }
.breadcrumb-sep { color: var(--text-dim); }
.breadcrumb-active {
    color: var(--text-secondary);
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid var(--border);
}

/* ── Buttons ──────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-icon { font-size: 13px; }

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

.btn-ghost:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn-accent {
    background: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.btn-confirm {
    background: var(--green);
    color: #FFFFFF;
    font-weight: 600;
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-confirm:hover {
    background: #347A52;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all var(--transition);
}

.icon-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.icon-btn.small { font-size: 11px; padding: 2px 5px; }

/* ── Main 3-Column Layout ─────────────────────────────────── */

#app-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.column {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    overflow: hidden;
}

.column:last-child { border-right: none; }

#queue-panel { width: 300px; min-width: 260px; flex-shrink: 0; background: var(--bg-panel); }
#preview-panel { flex: 1; min-width: 300px; background: var(--bg-preview); }
#extraction-panel { width: 360px; min-width: 320px; flex-shrink: 0; background: var(--bg-panel); }

.column-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 14px 14px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.column-header h2 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.column-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── Queue Panel ──────────────────────────────────────────── */

.queue-controls {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0 10px;
    transition: border-color var(--transition);
}

.search-box:focus-within { border-color: var(--accent); }

.search-icon { font-size: 12px; color: var(--text-dim); margin-right: 6px; }

.search-box input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    padding: 7px 0;
}

.search-box input::placeholder { color: var(--text-dim); }

.queue-filters {
    display: flex;
    gap: 6px;
}

.filter-btn {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition);
}

.filter-btn:hover { border-color: var(--text-muted); }

.filter-select {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 11px;
    outline: none;
    cursor: pointer;
}

/* Upload zone */

.upload-zone {
    margin: 8px 14px;
    padding: 10px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 11px;
    color: var(--text-dim);
    transition: all var(--transition);
    flex-shrink: 0;
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--text-secondary);
}

.upload-link {
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
}

/* Filing cards */

.filings-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px 8px;
}

.filing-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    border: 1px solid transparent;
    margin-bottom: 2px;
}

.filing-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border);
}

.filing-card.active {
    background: var(--bg-card-active);
    border-color: var(--accent);
    box-shadow: inset 3px 0 0 var(--accent);
}

.btn-trash {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: all var(--transition);
    flex-shrink: 0;
    align-self: center;
    margin-left: auto;
}
.filing-card:hover .btn-trash { opacity: 0.5; }
.btn-trash:hover { opacity: 1 !important; background: var(--red-soft); }

.filing-pdf-icon {
    width: 32px;
    height: 38px;
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 700;
    color: white;
    margin-top: 2px;
}

.filing-info {
    flex: 1;
    min-width: 0;
}

.filing-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 6px;
}

.filing-title-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.filing-stock-code {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 400;
}

.filing-meta-line {
    font-size: 10px;
    color: var(--text-dim);
    margin-top: 3px;
}

/* Status badges */

.status-badge {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 7px;
    border-radius: 4px;
    flex-shrink: 0;
    white-space: nowrap;
}

.badge-new {
    background: var(--accent-soft);
    color: #A65F42;
    border: 1px solid rgba(217, 136, 106, 0.4);
}

.badge-pending {
    background: var(--amber-soft);
    color: var(--amber);
    border: 1px solid var(--amber-border);
}

.badge-verified {
    background: var(--green-soft);
    color: var(--green);
    border: 1px solid var(--green-border);
}

.badge-error {
    background: var(--red-soft);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ── PDF Preview Panel ────────────────────────────────────── */

#preview-panel .column-header {
    background: var(--bg-header);
    padding: 8px 14px;
    align-items: center;
}

.pdf-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-muted);
}

.pdf-separator {
    color: var(--border);
    margin: 0 2px;
}

.pdf-label {
    font-size: 11px;
    color: var(--text-dim);
}

.pdf-page-num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid var(--border);
    min-width: 22px;
    text-align: center;
}

.pdf-viewer {
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
    background: var(--bg-preview);
}

#pdf-canvas {
    max-width: 100%;
    box-shadow: var(--shadow-md);
    border-radius: 2px;
}

.pdf-canvas-container {
    position: relative;
    display: inline-block;
}

.pdf-highlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

/* ── PDF Search Bar ──────────────────────────────────────── */

.pdf-search-bar {
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    padding: 6px 14px;
    flex-shrink: 0;
    animation: slideDown 0.15s ease;
}

.pdf-search-bar.hidden {
    display: none;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.pdf-search-inner {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    transition: border-color var(--transition);
}

.pdf-search-inner:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft);
}

#pdf-search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    padding: 3px 0;
    min-width: 0;
}

#pdf-search-input::placeholder {
    color: var(--text-dim);
}

.pdf-search-count {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
    padding: 0 4px;
}

.pdf-search-count:empty {
    display: none;
}

/* ── Source Evidence ──────────────────────────────────────────── */

.source-evidence {
    margin: 4px 0 2px 28px;
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
}

.source-evidence:empty {
    display: none;
}

.source-evidence .evidence-link {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: background 0.15s;
}

.source-evidence .evidence-link:hover {
    background: var(--green-soft);
}

.source-evidence .evidence-icon {
    flex-shrink: 0;
    color: var(--green);
    font-size: 11px;
    margin-top: 1px;
}

.source-evidence .evidence-text {
    flex: 1;
    font-style: italic;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    color: var(--text-secondary);
}

.source-evidence .evidence-page {
    flex-shrink: 0;
    background: var(--green-soft);
    color: var(--green);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    white-space: nowrap;
}

/* ── Extraction Panel ─────────────────────────────────────── */

#extraction-panel {
    position: relative;
}

.extract-prompt {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.extract-prompt-content {
    text-align: center;
    padding: 32px;
}

.extract-icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
}

.extract-prompt-content p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 16px;
}

.extraction-form {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.form-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

/* Form sections */

.form-section {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.section-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-confidence {
    font-size: 10px;
    font-weight: 600;
    color: var(--green);
    margin-left: auto;
}

.confidence-header {
    float: right;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-top: -18px;
}

/* Form fields */

.form-field {
    margin-bottom: 8px;
}

.form-field label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.field-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.field-check {
    width: 16px;
    height: 16px;
    accent-color: var(--green);
    cursor: pointer;
    flex-shrink: 0;
}

.field-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.field-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    outline: none;
    transition: border-color var(--transition);
}

.field-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-soft);
}

.field-input::placeholder { color: var(--text-dim); }

/* Confidence dots */

.confidence-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    transition: background var(--transition);
}

.confidence-dot.high { background: var(--green); box-shadow: 0 0 4px rgba(61, 139, 94, 0.35); }
.confidence-dot.medium { background: var(--amber); box-shadow: 0 0 4px rgba(184, 134, 11, 0.35); }
.confidence-dot.low { background: var(--red); box-shadow: 0 0 4px rgba(196, 92, 74, 0.35); }
.confidence-dot:not(.high):not(.medium):not(.low) { background: var(--text-dim); }

/* Override row */
.override-row { animation: slideDown 0.15s ease; margin-top: 4px; }
.override-row.hidden { display: none; }

.ai-row.dimmed .field-input { opacity: 0.35; pointer-events: none; }
.ai-row.dimmed .confidence-dot { opacity: 0.2; }
.ai-row.dimmed .field-icon { opacity: 0.35; }

.override-input { border-color: var(--amber) !important; }
.override-input:focus { box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2) !important; border-color: var(--amber) !important; }

input[type="date"].override-input { color-scheme: light; }

/* Extraction footer */

.extraction-footer {
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-header);
    flex-shrink: 0;
}

.footer-stats {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    font-size: 11px;
}

.stat-label { color: var(--text-muted); }
.stat-value { color: var(--text-primary); font-weight: 600; }
.stat-sep { color: var(--border); }

.footer-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.powered-by {
    padding: 6px 16px;
    font-size: 10px;
    color: var(--text-dim);
    text-align: right;
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

/* ── Empty states ─────────────────────────────────────────── */

.empty-state-sm {
    text-align: center;
    padding: 24px 16px;
    color: var(--text-muted);
    font-size: 12px;
}

.empty-state-sm .hint {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ── Dropdown menu ────────────────────────────────────────── */

.dropdown-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 4px;
    z-index: 200;
    min-width: 200px;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* ── Toast ─────────────────────────────────────────────────── */

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.25s ease;
    backdrop-filter: blur(12px);
    max-width: 340px;
}

.toast.success { background: rgba(34, 197, 94, 0.92); color: white; }
.toast.error { background: rgba(239, 68, 68, 0.92); color: white; }
.toast.info { background: rgba(217, 136, 106, 0.95); color: var(--text-primary); }

@keyframes toastIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(10px); } }

/* ── Loading overlay ──────────────────────────────────────── */

#loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(245, 241, 233, 0.88);
    backdrop-filter: blur(6px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-content { text-align: center; }

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 10px;
}

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

#loading-text { color: var(--text-secondary); font-size: 13px; }

/* ── Scrollbar ────────────────────────────────────────────── */

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1100px) {
    #queue-panel { width: 240px; min-width: 220px; }
    #extraction-panel { width: 300px; min-width: 280px; }
}

@media (max-width: 860px) {
    #app-main { flex-direction: column; }
    .column { border-right: none; border-bottom: 1px solid var(--border); }
    #queue-panel, #extraction-panel { width: 100%; max-height: 35vh; }
}