:root {
    --font: "Segoe UI", "Helvetica Neue", ui-sans-serif, system-ui, sans-serif;
    --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    --radius: 8px;
    --space: 16px;
}

html[data-theme="dark"] {
    --brand-accent: #5ce1b5;
    --bg: #0b0f14;
    --bg-elevated: #10161e;
    --surface: #151c26;
    --surface-hover: #1b2430;
    --border: #273140;
    --text: #e8eef5;
    --muted: #8b98a8;
    --faint: #5d6b7c;
    --accent: #6aa8d8;
    --accent-soft: rgba(106, 168, 216, 0.12);
    --positive: #5dcaa5;
    --warning: #d6b15a;
    --negative: #e07a7a;
    --chart-grid: rgba(232, 238, 245, 0.06);
    --shadow: none;
    --kpi-fail: var(--negative);
}

html[data-theme="light"] {
    --brand-accent: #0b9e74;
    --bg: #eef1f5;
    --bg-elevated: #f7f9fb;
    --surface: #ffffff;
    --surface-hover: #f3f6f9;
    --border: #d5dde6;
    --text: #17202a;
    --muted: #5c6b7a;
    --faint: #8493a3;
    --accent: #1f6fb2;
    --accent-soft: rgba(31, 111, 178, 0.08);
    --positive: #1f8a66;
    --warning: #9a7400;
    --negative: #c24747;
    --chart-grid: rgba(23, 32, 42, 0.08);
    --shadow: none;
    --kpi-fail: var(--negative);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.45;
}

button, input, select {
    font: inherit;
    color: inherit;
}

code {
    font-family: var(--mono);
    font-size: 0.92em;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    position: sticky;
    top: 0;
    z-index: 20;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    min-width: 0;
}

.brand-mark {
    font-family: "Sora", var(--font);
    font-weight: 700;
    letter-spacing: -0.03em;
    font-size: 1.15rem;
    line-height: 1.1;
}

.brand-mark span {
    color: var(--brand-accent);
}

.brand-sub {
    color: var(--muted);
    font-size: 0.8rem;
    font-family: "IBM Plex Mono", var(--mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: min(48vw, 520px);
}

.tabs {
    display: flex;
    gap: 4px;
    flex: 1;
}

.tab {
    background: transparent;
    border: 1px solid transparent;
    color: var(--muted);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
}

.tab.is-active {
    color: var(--text);
    border-color: var(--border);
    background: var(--surface);
}

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

.live-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
    padding: 4px 8px;
}

.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--positive);
}

.live-pill.is-error .live-dot {
    background: var(--negative);
}

.icon-btn, .btn {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
}

.icon-btn:hover, .btn:hover, .tab:hover {
    background: var(--surface-hover);
}

.btn {
    background: var(--accent);
    border-color: var(--accent);
    color: #0b0f14;
    font-weight: 600;
}

html[data-theme="light"] .btn {
    color: #fff;
}

.btn-ghost {
    background: var(--surface);
    color: var(--text);
    font-weight: 500;
}

.btn-danger {
    background: transparent;
    border-color: var(--negative);
    color: var(--negative);
}

html[data-theme="dark"] .icon-sun { display: none; }
html[data-theme="light"] .icon-moon { display: none; }

main {
    padding: 20px 24px 40px;
    max-width: 1440px;
    margin: 0 auto;
}

.view { display: none; }
.view.is-active { display: block; }

.kpi-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.kpi-label {
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.kpi-value {
    font-size: 28px;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    margin: 6px 0 2px;
    letter-spacing: -0.03em;
}

.kpi-hint { color: var(--faint); font-size: 12px; }

.kpi-alert .kpi-value { color: var(--kpi-fail); }

.chart-grid, .split {
    display: grid;
    gap: 12px;
    margin-bottom: 16px;
}

.chart-grid { grid-template-columns: 1fr 1fr; }
.split { grid-template-columns: 1.1fr 1fr 1fr; }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px 16px;
    min-width: 0;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 10px;
}

.panel-head h2 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}

.panel-head p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

canvas {
    width: 100%;
    display: block;
}

.table-wrap { overflow: auto; max-height: 280px; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

th { color: var(--muted); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty, .muted { color: var(--muted); }
.clickable { cursor: pointer; }
.clickable:hover td { background: var(--surface-hover); }

.anchor-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.anchor-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    word-break: break-all;
    font-family: var(--mono);
    font-size: 12px;
}

.anchor-list li .ta-id { flex: 1; min-width: 0; }

.ta-shield {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 1px;
    color: var(--positive);
}

.ta-shield-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.inspect-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 12px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
}

.form input[type="url"], .form select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
}

.optional { color: var(--faint); font-weight: 400; }

.check {
    flex-direction: row !important;
    align-items: center;
    gap: 8px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.api-frame-wrap { min-height: calc(100vh - 140px); display: flex; flex-direction: column; }
.api-frame {
    flex: 1;
    width: 100%;
    min-height: 70vh;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: #fff;
}

.modal[hidden] { display: none; }
.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.modal-card {
    position: relative;
    margin: 5vh auto;
    width: min(960px, calc(100% - 32px));
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.modal-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px 8px;
    border-bottom: 1px solid var(--border);
}

.modal-head h2 { margin: 0 0 4px; font-size: 16px; }
.modal-meta { margin: 0; color: var(--muted); font-size: 12px; }

.modal-tabs {
    display: flex;
    gap: 4px;
    padding: 10px 18px 0;
}

.modal-body {
    padding: 12px 18px 18px;
    overflow: auto;
}

.json-tree, .raw-view {
    font-family: var(--mono);
    font-size: 12.5px;
    line-height: 1.55;
}

.raw-view {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.json-key { color: var(--accent); }
.json-str { color: var(--positive); }
.json-num { color: var(--warning); }
.json-bool { color: var(--negative); }
.json-null { color: var(--faint); }

.tree-toggle {
    background: none;
    border: 0;
    color: var(--muted);
    cursor: pointer;
    padding: 0 4px 0 0;
    font-family: var(--mono);
}

.tree-block { margin-left: 16px; }
.tree-collapsed { display: none; }

.chain-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 16px;
}

.chain-step {
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 10px 12px;
    background: var(--surface);
}

.chain-step + .chain-step { margin-top: 8px; }
.chain-step h3 { margin: 0 0 4px; font-size: 13px; }
.chain-step p { margin: 0; color: var(--muted); font-size: 12px; }

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: 4px;
    z-index: 80;
}

.lock {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(11, 15, 20, 0.72);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.lock.is-open {
    display: flex;
}

.lock-card {
    width: min(420px, 100%);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 22px 20px;
}

.lock-card h2 {
    margin: 0 0 8px;
    font-size: 16px;
}

.lock-card p {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 13px;
}

.lock-card label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 14px;
}

.lock-card input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
}

.lock-error { color: var(--negative) !important; }

@media (max-width: 1100px) {
    .kpi-row, .chart-grid, .split, .inspect-layout {
        grid-template-columns: 1fr;
    }
    .topbar { flex-wrap: wrap; }
}