:root {
    --border: #d8dce1;
    --text: #1f2933;
    --muted: #6b7684;
    --accent: #2f6fed;
    --accent-dark: #1d4fbf;
    --danger: #d0392b;
    --danger-dark: #a92c20;
    --bg: #f7f8fa;
    --surface: #ffffff;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}

.topnav {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 10px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.topnav .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.topnav nav { display: flex; gap: 16px; flex: 1; }
.topnav nav a { color: var(--muted); text-decoration: none; }
.topnav nav a:hover { color: var(--text); }
.user-info { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 0.9rem; }
.user-info a { color: var(--accent); text-decoration: none; }

.page { max-width: 1100px; margin: 0 auto; padding: 24px; }
.page-wide { max-width: none; width: 100%; }

.auth-box {
    max-width: 360px;
    margin: 80px auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
}
.auth-box h1 { text-align: center; margin-top: 0; }

form.stacked-form, .auth-box form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
label { display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; color: var(--muted); }
.checkbox-label { flex-direction: row; align-items: center; gap: 8px; }
input[type="text"], input[type="password"], input[type="number"],
input[type="url"], textarea, select {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}
button, input[type="submit"], .btn {
    padding: 8px 14px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn { display: inline-block; text-decoration: none; }
button:hover, .btn:hover { background: var(--accent-dark); color: #fff; }
button:disabled, input[type="submit"]:disabled {
    background: var(--border);
    color: var(--muted);
    cursor: not-allowed;
}
button:disabled:hover { background: var(--border); }
button.link-danger { background: none; color: var(--danger); padding: 0; text-decoration: underline; }
.inline-form { display: inline; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.alert-error { background: #fdecea; color: var(--danger); }
.alert-success { background: #e8f5e9; color: #2e7d32; }

table.data-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
table.data-table th, table.data-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}
.badge { border: none; border-radius: 999px; padding: 4px 10px; font-size: 0.8rem; cursor: pointer; }
.badge-on { background: #e8f5e9; color: #2e7d32; }
.badge-off { background: #eceff1; color: var(--muted); }

span.badge { cursor: default; display: inline-block; }
.badge-todo { background: #eceff1; color: var(--muted); }
.badge-done { background: #fff4e0; color: #9a6400; }
.badge-accepted { background: #e8f5e9; color: #2e7d32; }

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

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

.input-with-button { display: flex; gap: 8px; }
.input-with-button input { flex: 1; }

.field-row { display: flex; gap: 14px; align-items: flex-start; }
.field-row > label { flex: 1 1 0; }
.field-row .field-main { flex: 0 0 75%; }
.field-row .field-side { flex: 0 0 25%; }
.field-row .field-grow { flex: 4 1 0; }
.field-row input:disabled { background: var(--bg); color: var(--muted); }

.icon-count, .icon-link, .icon-disabled {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent);
    text-decoration: none;
}
.icon-count:hover, .icon-link:hover { color: var(--accent-dark); }
.icon-disabled { color: var(--muted); opacity: 0.45; cursor: default; }
.icon-count svg, .icon-link svg, .icon-disabled svg { display: block; flex: none; }

.search-box { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.search-box textarea { resize: vertical; }
.search-hint { color: var(--muted); }

.path-arrow { color: var(--muted); font-weight: 700; margin: 0 2px; }

.pdf-preview { width: 100%; height: 70vh; border: 1px solid var(--border); border-radius: 6px; margin-top: 8px; }

/* ---- GRM capture (drag-select from a PDF page) ------------------------- */
.capture-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.capture-toolbar .toolbar-sep { width: 1px; height: 20px; background: var(--border); }

.pdf-canvas-wrap {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: auto;
    max-height: 75vh;
    background: #525659;
}
#pdf-canvas { display: block; cursor: crosshair; touch-action: none; }

.capture-preview { margin-top: 16px; border: 1px solid var(--border); border-radius: 8px; padding: 14px; background: var(--surface); }
.capture-preview img { max-width: 100%; max-height: 300px; display: block; border: 1px solid var(--border); border-radius: 4px; margin-bottom: 10px; }
.capture-preview-actions { display: flex; gap: 10px; }

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

#captured-list-wrap { margin-top: 20px; }
#captured-list { padding-left: 20px; }

.grm-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 16px;
}
.grm-card {
    display: block;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--surface);
    text-decoration: none;
    color: var(--text);
}
.grm-card:hover { border-color: var(--accent); }
.grm-card img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: contain; background: #fafbfc; display: block; }
.grm-card-caption { padding: 8px 10px; }
.grm-card-cite { font-size: 0.85rem; font-weight: 600; }
.grm-card-match { font-size: 0.8rem; color: var(--muted); margin-top: 2px; }

@media (max-width: 700px) {
    .grm-grid { grid-template-columns: repeat(2, 1fr); }
}

.advanced-search { margin-top: 4px; }
.advanced-search summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; }
.advanced-search-fields { display: flex; gap: 14px; margin-top: 10px; }
.advanced-search-fields label { flex: 1; }

table.data-table td.results-section-row {
    font-weight: 700;
    color: var(--muted);
    background: var(--bg);
    padding-top: 14px;
    border-bottom: 1px solid var(--border);
}

/* ---- GRM editor -------------------------------------------------------- */
.grm-app {
    display: grid;
    grid-template-columns: 35fr 65fr;
    gap: 20px;
    align-items: start;
}
.grm-left, .grm-right { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.grm-left h2 { margin-top: 0; font-size: 1rem; color: var(--muted); }
.grm-reference-image { width: 100%; height: auto; border: 1px solid var(--border); border-radius: 4px; }

.grm-toolbar { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.grm-toolbar button.active { background: var(--accent-dark); box-shadow: inset 0 0 0 2px #fff, inset 0 0 0 3px var(--accent-dark); }
.grm-status { font-size: 0.85rem; color: var(--muted); margin-left: 8px; }
.grm-status.status-error { color: var(--danger); }
.grm-status.status-saved { color: #2e7d32; }

#btn-extract { background: var(--danger); display: inline-flex; align-items: center; gap: 6px; }
#btn-extract:hover { background: var(--danger-dark); }
.btn-icon { flex: none; }

.grm-canvas-wrap {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fafbfc;
    aspect-ratio: 16 / 10;
    max-height: 65vh;
}
#grm-svg { width: 100%; height: 100%; display: block; touch-action: none; }

.construct-rect { fill: #eaf1ff; fill-opacity: 0.55; stroke: var(--accent); stroke-width: 2; cursor: grab; }
.construct.selected .construct-rect { stroke-width: 3; }
.construct-label { font-size: 12pt; fill: var(--text); pointer-events: none; user-select: none; }

.anchor-dot { fill: #fff; stroke: var(--accent-dark); stroke-width: 1.5; cursor: pointer; }
.anchor-dot.anchor-chosen { fill: var(--accent-dark); }

.path-line { stroke: #374151; stroke-width: 2; cursor: pointer; }
.path-line.selected { stroke: var(--accent); stroke-width: 3; }
.path-line.path-broken { stroke: var(--danger); stroke-dasharray: 5 3; }
.path-line.path-broken.selected { stroke: var(--danger-dark); }
.path-hit-area { fill: none; stroke: transparent; stroke-width: 6; cursor: pointer; pointer-events: stroke; }
.path-coefficient { font-size: 12px; fill: #374151; cursor: pointer; }
.path-mid-handle { fill: #fff; stroke: #9aa4b2; stroke-width: 1; opacity: 0.6; cursor: pointer; }
.path-mid-handle.linkable { opacity: 1; stroke: var(--accent-dark); cursor: pointer; }
.path-grip { fill: #fff; stroke: #374151; stroke-width: 1.5; cursor: grab; opacity: 0.85; }

.grm-properties { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 12px; }
.grm-hint { color: var(--muted); font-size: 0.9rem; margin: 0; }
.properties-form { display: flex; flex-direction: column; gap: 10px; }
.properties-form label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
.items-heading { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }
.items-list { display: flex; flex-direction: column; gap: 6px; }
.item-row { display: flex; gap: 6px; align-items: center; }
.item-row input { flex: 1; }
.construct-delete-btn { align-self: flex-start; margin-top: 8px; }

.path-table select, .path-table input { width: 100%; min-width: 110px; }
tr.selected-row { background: #eaf1ff; }