:root {
    --bg: #0e1116;
    --bg-elev: #161b22;
    --bg-elev2: #1f2430;
    --border: #30363d;
    --border-soft: #23282f;
    --fg: #e6edf3;
    --fg-dim: #8b949e;
    --fg-dimmer: #636d78;
    --accent: #58a6ff;
    --accent-strong: #1f6feb;
    --green: #3fb950;
    --yellow: #d29922;
    --red: #f85149;
    --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

body {
    padding-top: 56px;
}

.dim {
    color: var(--fg-dim);
}

.mono {
    font-family: var(--mono);
}

/* ── topbar ─────────────────────────────────────────────────────────── */
#topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 16px;
    z-index: 100;
}

.topbar-left {
    display: flex;
    gap: 10px;
    align-items: baseline;
    min-width: 200px;
}

#title {
    font-weight: 600;
    font-size: 15px;
}

.topbar-filters {
    display: flex;
    gap: 12px;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.topbar-filters label {
    display: flex;
    gap: 4px;
    align-items: center;
    color: var(--fg-dim);
    cursor: pointer;
    user-select: none;
}

#search {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
    min-width: 260px;
    outline: none;
}

#search:focus {
    border-color: var(--accent);
}

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

#counter {
    margin-right: 8px;
    font-variant-numeric: tabular-nums;
}

button {
    background: var(--bg-elev2);
    color: var(--fg);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}

button:hover {
    border-color: var(--accent);
}

button.primary {
    background: var(--accent-strong);
    border-color: var(--accent-strong);
    color: #fff;
}

button.primary:hover {
    background: #388bfd;
    border-color: #388bfd;
}

/* ── main ───────────────────────────────────────────────────────────── */
#app {
    max-width: 1600px;
    margin: 0 auto;
    padding: 24px 16px 120px;
}

.loading {
    color: var(--fg-dim);
    padding: 48px;
    text-align: center;
}

/* group header */
.group {
    margin-top: 32px;
}
.group:first-child {
    margin-top: 0;
}
.group.hidden { display: none; }

.group-header {
    display: flex;
    gap: 12px;
    align-items: baseline;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
    position: sticky;
    top: 56px;
    background: var(--bg);
    z-index: 10;
}

.group-header h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.group-header .group-count {
    color: var(--fg-dim);
    font-size: 13px;
}

/* card */
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    scroll-margin-top: 120px;
}

.card.focused {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.card.hidden {
    display: none;
}

.card-header {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.card-path {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--fg);
    flex: 1;
    min-width: 0;
    word-break: break-all;
}

.card-path .seg-root {
    color: var(--accent);
}

.card-meta {
    color: var(--fg-dim);
    font-size: 12px;
}

.card-approve {
    display: flex;
    gap: 6px;
    align-items: center;
    font-weight: 500;
    user-select: none;
}

.card-approve input {
    transform: scale(1.15);
}

/* confidence pill */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--mono);
    border: 1px solid transparent;
    cursor: help;
}

.pill.green {
    background: rgba(63, 185, 80, 0.15);
    color: var(--green);
    border-color: rgba(63, 185, 80, 0.35);
}

.pill.yellow {
    background: rgba(210, 153, 34, 0.15);
    color: var(--yellow);
    border-color: rgba(210, 153, 34, 0.35);
}

.pill.red {
    background: rgba(248, 81, 73, 0.15);
    color: var(--red);
    border-color: rgba(248, 81, 73, 0.35);
}

/* two-column current vs draft */
.twocol {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 12px;
}

.twocol .col-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
    margin-bottom: 6px;
}

.twocol .col {
    min-width: 0;
}

.current-box {
    background: var(--bg-elev2);
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--fg-dim);
    font-family: var(--mono);
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 200px;
    overflow: auto;
}

/* draft editor */
.editor {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.field label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
}

.field input[type="text"],
.field textarea,
.field select {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 7px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.field textarea {
    min-height: 60px;
    line-height: 1.5;
}

.field input[type="text"]:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--accent);
}

.field-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}

.checkbox-field {
    display: flex;
    gap: 6px;
    align-items: center;
}

/* enum editor */
.enums {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.enum-row {
    display: grid;
    grid-template-columns: 160px 1fr auto;
    gap: 6px;
}
.enum-row input {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-family: var(--mono);
}
.enum-row button {
    padding: 2px 8px;
    font-size: 11px;
}

/* context collapsible */
details.context {
    margin-top: 8px;
    border-top: 1px solid var(--border-soft);
    padding-top: 10px;
}
details.context > summary {
    cursor: pointer;
    color: var(--fg-dim);
    font-size: 12px;
    user-select: none;
}
details.context > summary:hover {
    color: var(--fg);
}
details.context[open] > summary {
    margin-bottom: 10px;
    color: var(--fg);
}

.ctx-block {
    margin: 8px 0;
}
.ctx-block h4 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
    margin: 0 0 4px;
}
.ctx-block pre,
.ctx-block code {
    font-family: var(--mono);
    font-size: 12px;
    background: var(--bg-elev2);
    padding: 8px 10px;
    border-radius: 6px;
    color: var(--fg);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px solid var(--border-soft);
}

.tag {
    display: inline-block;
    background: var(--bg-elev2);
    border: 1px solid var(--border-soft);
    padding: 1px 6px;
    border-radius: 4px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-dim);
    margin-right: 4px;
}

/* flow cards */
.cm-host {
    background: var(--bg-elev2);
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    overflow: hidden;
    font-size: 12px;
    max-height: 360px;
    overflow: auto;
}
.cm-host .cm-editor {
    height: auto;
}
.js-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
    margin: 10px 0 4px;
}
.js-label .stub-tag {
    background: rgba(248, 81, 73, 0.15);
    color: var(--red);
    padding: 1px 6px;
    border-radius: 3px;
    text-transform: none;
    letter-spacing: 0;
    font-size: 10px;
    font-weight: 600;
}

/* toast */
#toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.2s;
    pointer-events: none;
    z-index: 200;
}
#toast.show {
    opacity: 1;
    transform: translateY(0);
}
#toast.error {
    border-color: var(--red);
    color: var(--red);
}
#toast.ok {
    border-color: var(--green);
    color: var(--green);
}

/* help */
kbd {
    background: var(--bg-elev2);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--fg-dim);
}

.kbd-hint {
    font-size: 11px;
    color: var(--fg-dimmer);
    margin-top: 6px;
}

/* threshold indicator */
.threshold {
    display: inline-flex;
    gap: 4px;
    align-items: center;
    font-size: 11px;
    color: var(--fg-dim);
    font-family: var(--mono);
}

/* ── attribute table (excel-style) ──────────────────────────────────── */
.attr-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: fixed;
}

.attr-table thead th {
    position: sticky;
    top: 116px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    color: var(--fg-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 10px;
    padding: 6px 6px;
    text-align: left;
    z-index: 5;
}

.attr-table .col-approve { width: 32px; text-align: center; }
.attr-table .col-path { width: 22%; }
.attr-table .col-conf { width: 64px; text-align: center; }
.attr-table .col-info { width: auto; }
.attr-table .col-usage { width: 12%; }
.attr-table .col-owner { width: 86px; }
.attr-table .col-type { width: 90px; }
.attr-table .col-req { width: 36px; text-align: center; }
.attr-table .col-expand { width: 32px; text-align: center; }

.attr-table tbody td {
    border-bottom: 1px solid var(--border-soft);
    padding: 4px 6px;
    vertical-align: top;
}

.attr-table tr.row.focused > td {
    background: rgba(88, 166, 255, 0.08);
    box-shadow: inset 2px 0 0 var(--accent);
}

.attr-table tr.row.hidden { display: none; }
.attr-table tr.row.hidden + tr.row-detail { display: none !important; }
.attr-table tr.row-detail.collapsed { display: none; }

.attr-table .col-path {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--fg);
    word-break: break-all;
    line-height: 1.4;
    padding-top: 8px;
}
.attr-table .col-path .seg-root { color: var(--accent); }

.attr-table .col-conf { padding-top: 6px; }

.attr-table input[type="text"],
.attr-table textarea,
.attr-table select {
    width: 100%;
    background: var(--bg-elev2);
    border: 1px solid var(--border-soft);
    color: var(--fg);
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.attr-table textarea.info-area {
    font-size: 12px;
    line-height: 1.45;
    min-height: 36px;
}

.attr-table input[type="text"]:focus,
.attr-table textarea:focus,
.attr-table select:focus {
    border-color: var(--accent);
}

.attr-table input[type="checkbox"] {
    transform: scale(1.05);
    cursor: pointer;
}

.attr-table .expand-btn {
    padding: 2px 8px;
    font-size: 14px;
    line-height: 1;
    color: var(--fg-dim);
}
.attr-table .expand-btn.open { color: var(--accent); border-color: var(--accent); }

/* sentinel state */
.attr-table tr.row-needs-input > td {
    background: rgba(248, 81, 73, 0.05);
    box-shadow: inset 3px 0 0 var(--red);
}

.sentinel-wrap {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sentinel-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--red);
    font-weight: 600;
}
.sentinel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
}
.sentinel-input {
    width: 100%;
    background: var(--bg-elev2);
    border: 1px solid rgba(248, 81, 73, 0.4);
    color: var(--fg);
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-family: inherit;
    resize: vertical;
    min-height: 36px;
}
.sentinel-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.sentinel-btn {
    padding: 3px 10px;
    font-size: 11px;
    border-color: var(--red);
    color: var(--red);
}
.sentinel-btn:hover:not(:disabled) {
    background: rgba(248, 81, 73, 0.12);
    border-color: var(--red);
}
.sentinel-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.sentinel-status {
    font-size: 11px;
}

/* expanded detail row */
.row-detail-cell {
    background: var(--bg-elev);
    padding: 12px 16px !important;
    border-bottom: 1px solid var(--border) !important;
}
.row-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 16px;
}
.row-detail-grid .detail-block h4 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--fg-dim);
    margin: 0 0 8px;
}
.context-blocks { display: flex; flex-direction: column; gap: 8px; }