:root {
  color-scheme: light;
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #edf2f7;
  --line: #e4e9f0;
  --line-strong: #cbd5e1;
  --text: #1f2937;
  --muted: #667085;
  --faint: #98a2b3;
  --accent: #07c160;
  --accent-bg: #e8f8ef;
  --blue: #1677ff;
  --warn: #a66b00;
  --warn-bg: #fff6df;
  --danger: #d14343;
  --danger-bg: #fff0f0;
  --radius: 14px;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { min-height: 100vh; margin: 0; background: var(--bg); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
[hidden] { display: none !important; }
a { color: var(--blue); }
.muted { color: var(--muted); }
.center { text-align: center; }

:focus-visible {
  outline: 3px solid rgba(141, 215, 187, .45);
  outline-offset: 2px;
}

.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(420px, 100%); padding: 38px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: 0 24px 70px rgba(0,0,0,.32); }
.login-card h1 { margin: 22px 0 8px; font-size: 29px; letter-spacing: -.035em; }
.login-card > p { margin: 0; color: var(--muted); line-height: 1.65; }
.logo { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 13px; background: var(--accent); color: #0a1712; font-size: 23px; font-weight: 900; }
.logo.small { width: 36px; height: 36px; border-radius: 10px; font-size: 17px; }

.app-shell { display: grid; grid-template-columns: 224px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 22px 13px; border-right: 1px solid var(--line); background: #fff; }
.brand { display: flex; align-items: center; gap: 11px; padding: 0 8px 28px; }
.brand b, .brand small { display: block; }
.brand b { font-size: 14px; }
.brand small { margin-top: 3px; color: var(--faint); font-size: 11px; }
.sidebar nav { display: grid; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 11px; width: 100%; padding: 11px 12px; border: 0; border-radius: 10px; background: transparent; color: #667085; text-align: left; font-weight: 650; }
.nav-item span { width: 18px; color: #98a2b3; font-size: 17px; text-align: center; }
.nav-item:hover { background: #f0f5fb; color: var(--text); }
.nav-item.active { background: var(--accent-bg); color: #07883f; }
.nav-item.active span { color: var(--accent); }
.sidebar-foot { display: grid; gap: 15px; margin-top: auto; padding: 15px 10px 4px; }
.stream-state { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.stream-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.stream-state i.online { background: var(--accent); box-shadow: 0 0 0 4px rgba(141,215,187,.09); }
.stream-state i.error { background: var(--warn); }
.plain-button, .text-button { padding: 0; border: 0; background: none; color: var(--blue); text-align: left; }
.sidebar-foot .plain-button { color: var(--muted); font-size: 12px; }

.content { min-width: 0; padding: 32px clamp(18px, 4vw, 58px) 72px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 26px; }
.topbar h1 { margin: 0; font-size: 28px; letter-spacing: -.04em; }
.topbar p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.group-picker { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.group-picker select { max-width: 250px; padding: 7px 30px 7px 9px; }
.icon-button { display: none; width: 35px; height: 35px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--muted); }

.page { display: none; }
.page.active { display: block; }
.card { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card + .card, .page > .card + .card { margin-top: 14px; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.card-head h2, .section-head h2 { margin: 0; font-size: 16px; letter-spacing: -.015em; }
.card-head p, .section-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.section-head { display: flex; align-items: end; justify-content: space-between; margin: 28px 0 12px; }
.split { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(300px, .8fr); gap: 14px; margin-top: 14px; }
.setting-top { grid-template-columns: 1fr 1fr; }
.empty { display: grid; min-height: 95px; place-items: center; color: var(--faint); font-size: 13px; }

.status-banner { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.status-banner b { font-size: 15px; }
.status-banner span { color: var(--muted); font-size: 12px; text-align: right; }
.status-banner.good { border-color: #b7e8cb; background: #f0fbf4; }
.status-banner.warn { border-color: #f2d89a; background: #fffaf0; }
.status-banner.quiet { color: #475467; }
.health-grid { display: grid; grid-template-columns: repeat(5, minmax(120px, 1fr)); gap: 10px; }
.health-card { display: grid; grid-template-columns: auto 1fr; gap: 8px 10px; align-items: center; padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.health-card b { font-size: 13px; }
.health-card p { grid-column: 1 / -1; overflow: hidden; margin: 3px 0 0; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.status-light { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.status-light.good { background: var(--accent); }
.status-light.bad { background: var(--danger); }
.metrics-grid { display: grid; grid-template-columns: repeat(6, minmax(95px, 1fr)); gap: 10px; }
.metric-card { padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.metric-card small { color: var(--muted); font-size: 11px; }
.metric-card strong { display: block; margin-top: 9px; font-size: 23px; letter-spacing: -.035em; }
.message-list { display: grid; gap: 0; }
.mini-message { display: grid; grid-template-columns: 80px minmax(0, 1fr) auto; gap: 11px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.mini-message:last-child { border: 0; }
.mini-message b { overflow: hidden; color: #475467; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.mini-message p { margin: 0; color: #344054; font-size: 13px; line-height: 1.5; }
.mini-message time { color: var(--faint); font-size: 10px; }
.mini-message.bot p { color: var(--accent); }
.key-values { display: grid; }
.capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.capability-row { display: flex; align-items: flex-start; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.capability-row b, .capability-row small { display: block; }
.capability-row b { color: var(--text); font-size: 12px; }
.capability-row small { margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.capability-dot { width: 8px; height: 8px; flex: 0 0 auto; margin-top: 4px; border-radius: 50%; background: var(--faint); }
.capability-dot.good { background: var(--accent); }
.key-value { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.key-value b { color: var(--text); }
.subsection-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 20px 0 8px; }
.subsection-head h3 { margin: 0; font-size: 13px; }
.source-health-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; }
.source-health-row { display: flex; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.source-health-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-health-row small { white-space: nowrap; }
.source-ok { color: var(--accent); }
.source-bad { color: var(--danger); }
.quiet-note { margin-top: 17px; padding: 12px; border-radius: 10px; background: #effaf3; color: #277a4c; font-size: 12px; line-height: 1.5; }

.badge { display: inline-flex; align-items: center; padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--surface-2); font-size: 11px; font-weight: 700; white-space: nowrap; }
.badge.good { border-color: #b7e8cb; color: #08783e; background: var(--accent-bg); }
.badge.warn { border-color: #f2d89a; color: var(--warn); background: var(--warn-bg); }
.badge.bad { border-color: #f0b7b7; color: var(--danger); background: var(--danger-bg); }
.badge.neutral { color: var(--muted); }

input, select, textarea { width: 100%; padding: 10px 11px; border: 1px solid var(--line-strong); border-radius: 9px; outline: 0; background: #fff; color: var(--text); }
input:focus, select:focus, textarea:focus { border-color: #76bca2; box-shadow: 0 0 0 3px rgba(118,188,162,.12); }
input:disabled { color: var(--faint); background: #f2f4f7; }
textarea { resize: vertical; line-height: 1.6; }
input[type="range"] { padding: 6px 0; border: 0; box-shadow: none; accent-color: var(--accent); }
label { color: var(--text); font-size: 13px; }
label small { display: block; margin-top: 6px; color: var(--faint); font-size: 11px; font-weight: 400; line-height: 1.45; }
.form-stack { display: grid; gap: 12px; margin-top: 24px; }
.form-stack.compact { margin-top: 0; }
.provider-forms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.provider-forms small { min-height: 18px; }
.topic-preview-card { margin-top: 14px; }
.topic-preview-copy { white-space: pre-wrap; line-height: 1.6; }
.form-error { min-height: 18px; margin: 0; color: var(--danger); font-size: 12px; }
.button { padding: 9px 14px; border: 1px solid transparent; border-radius: 9px; color: var(--text); background: var(--surface-3); font-weight: 700; }
.button.primary { color: #0b1713; background: var(--accent); }
.button.secondary { border-color: var(--line-strong); background: var(--surface-2); }
.button.danger { border-color: #f0b7b7; color: var(--danger); background: var(--danger-bg); }
.button.full { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; }
.button-row.end { justify-content: flex-end; }

.filter-bar { display: grid; grid-template-columns: repeat(3, minmax(130px, 1fr)) auto; gap: 12px; align-items: end; margin-bottom: 14px; }
.filter-bar label { display: grid; gap: 7px; }
.sandbox-card { margin-bottom: 14px; }
.sandbox-grid { display: grid; grid-template-columns: 2fr 2fr 1fr 2fr; gap: 12px; align-items: end; }
.sandbox-grid > label:first-child { grid-column: span 2; }
.sandbox-grid textarea { min-height: 78px; }
.sandbox-card .test-box { margin-top: 14px; white-space: pre-wrap; }
.conversation-list { display: grid; gap: 12px; }
.conversation-card { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.conversation-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.conversation-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.conversation-meta b { font-size: 12px; }
.conversation-meta time, .score-row { color: var(--faint); font-size: 11px; }
.timeline { position: relative; display: grid; gap: 8px; margin-left: 5px; padding-left: 18px; }
.timeline::before { content: ""; position: absolute; top: 8px; bottom: 8px; left: 2px; width: 1px; background: #d8dee8; }
.timeline-message { position: relative; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); }
.timeline-message::before { content: ""; position: absolute; top: 14px; left: -20px; width: 7px; height: 7px; border: 2px solid var(--surface); border-radius: 50%; background: #6c7d8f; }
.timeline-message.bot { border: 1px solid #b7e8cb; background: var(--accent-bg); }
.timeline-message.bot::before { background: var(--accent); }
.timeline-message b { color: var(--muted); font-size: 11px; }
.timeline-message p { margin: 5px 0 0; color: #344054; font-size: 13px; line-height: 1.55; white-space: pre-wrap; }
.decision-details { margin-top: 13px; border-top: 1px solid var(--line); padding-top: 11px; }
.decision-details summary { color: var(--blue); font-size: 12px; cursor: pointer; }
.decision-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; margin: 12px 0 0; }
.decision-grid div { display: grid; grid-template-columns: 78px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.decision-grid dt { color: var(--faint); font-size: 11px; }
.decision-grid dd { margin: 0; color: var(--text); font-size: 12px; line-height: 1.5; word-break: break-word; }
.delivery-parts, .feedback-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.delivery { padding: 4px 8px; border-radius: 999px; background: var(--surface-3); color: var(--muted); font-size: 10px; }
.delivery.sent { color: var(--accent); }
.delivery.failed { color: var(--danger); }
.chip { padding: 5px 9px; border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; color: var(--muted); font-size: 11px; }
.chip:hover { color: var(--text); background: var(--surface-2); }
.chip.selected { border-color: #315748; color: var(--accent); background: var(--accent-bg); opacity: 1; }

.runtime-card { margin-top: 14px; }
.effective-policy { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: rgba(255,255,255,.02); }
.effective-policy .card-head { margin-bottom: 10px; }
.effective-policy h3 { margin: 0; font-size: 14px; }
.scope-head { align-items: center; }
.scope-control { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.scope-control button { padding: 7px 10px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 12px; }
.scope-control button.active { background: var(--surface-3); color: var(--text); }
.inherit-banner { display: flex; justify-content: space-between; gap: 15px; margin-bottom: 14px; padding: 11px 13px; border-radius: 10px; background: var(--warn-bg); color: var(--warn); font-size: 12px; }
.switch-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-2); }
.switch span b, .switch span small { display: block; }
.switch span b { color: var(--text); font-size: 13px; }
.switch span small { margin-top: 4px; }
.switch input { width: 19px; height: 19px; accent-color: var(--accent); }
.common-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 17px 0 3px; }
.common-grid label { display: block; }
.common-grid select { margin-top: 8px; }
.common-grid output { display: block; min-height: 20px; color: var(--accent); font-size: 12px; }
.mix-fieldset { display: grid; grid-template-columns: repeat(4, minmax(110px, 1fr)) auto; gap: 10px; align-items: end; margin: 8px 0 0; padding: 14px; border: 1px solid var(--line); border-radius: 11px; }
.mix-fieldset legend { padding: 0 6px; color: var(--muted); font-size: 12px; }
.mix-fieldset label { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 5px; }
.mix-fieldset label input { grid-column: 1; margin-top: 6px; }
.mix-fieldset label span { grid-column: 2; grid-row: 2; color: var(--faint); }
.mix-fieldset p { margin: 0 0 9px; font-size: 11px; }
.mix-fieldset p.valid { color: var(--accent); }
.mix-fieldset p.invalid { color: var(--danger); }
.advanced { margin-top: 4px; border: 1px solid var(--line); border-radius: 11px; background: #f8fafc; }
.advanced summary { padding: 13px 14px; color: var(--text); cursor: pointer; font-size: 13px; font-weight: 700; }
.advanced summary span { margin-left: 7px; color: var(--faint); font-size: 11px; font-weight: 400; }
.advanced-groups { display: grid; gap: 14px; padding: 3px 14px 16px; }
.advanced-group { padding: 14px 0 4px; border-top: 1px solid var(--line); }
.advanced-group:first-child { border-top: 0; }
.advanced-group h4 { margin: 0 0 4px; font-size: 14px; }
.advanced-group > p { margin: 0 0 13px; color: var(--faint); font-size: 12px; }
.advanced-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; padding: 3px 14px 16px; }
.advanced-group .advanced-grid { padding: 3px 0 8px; }
.advanced-grid label { display: grid; gap: 7px; }
.advanced-grid .wide-label { grid-column: 1 / -1; }
.compact-switch { min-height: 68px; }
.save-row { display: flex; align-items: center; justify-content: flex-end; gap: 15px; }
.save-row span { color: var(--faint); font-size: 11px; }
.readonly-card { margin-top: 14px; }
.detail-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; margin: 0; }
.detail-list div { display: flex; justify-content: space-between; gap: 15px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.detail-list dt { color: var(--muted); font-size: 12px; }
.detail-list dd { overflow: hidden; margin: 0; color: var(--text); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }

.persona-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .75fr); gap: 20px; }
.persona-meta { display: grid; gap: 3px; justify-items: end; text-align: right; }
.persona-layout .form-stack { margin-top: 0; }
.persona-layout aside { padding-left: 20px; border-left: 1px solid var(--line); }
.persona-layout aside h3 { margin: 0 0 11px; font-size: 14px; }
.persona-layout aside h3:not(:first-child) { margin-top: 22px; }
.persona-layout aside textarea, .persona-layout aside button { margin-top: 8px; }
.test-box { min-height: 90px; margin-top: 12px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: #f8fafc; color: #344054; font-size: 12px; line-height: 1.6; white-space: pre-wrap; }
.version-list { display: grid; gap: 7px; max-height: 410px; overflow: auto; }
.version-item { padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; }
.version-item summary { color: var(--text); font-size: 11px; cursor: pointer; }
.diff-box { max-height: 210px; overflow: auto; padding: 10px; border-radius: 8px; background: var(--surface-3); color: var(--muted); font-size: 10px; white-space: pre-wrap; }
.memory-list { display: grid; gap: 9px; }
.memory-item { padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.memory-item p { margin: 0 0 10px; font-size: 13px; line-height: 1.55; }
.memory-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--faint); font-size: 10px; }
.danger-link { padding: 0; border: 0; background: none; color: var(--danger); font-size: 11px; }
.evidence { display: block; margin-top: 8px; color: var(--faint); font-size: 10px; }

.account-card { display: flex; align-items: center; gap: 14px; padding: 16px; border: 1px solid #b7e8cb; border-radius: 12px; background: var(--accent-bg); }
.avatar { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 50%; background: #c9f0d8; color: #07883f; font-size: 19px; font-weight: 900; }
.account-card h3 { margin: 0 0 5px; }
.account-card p { margin: 0; color: #277a4c; font-size: 12px; }
.qr-wrap { position: relative; display: grid; width: min(280px, 100%); aspect-ratio: 1; margin: 10px auto; place-items: center; overflow: hidden; border-radius: 14px; background: white; }
.qr-wrap img { width: 100%; height: 100%; }
.qr-wrap div { position: absolute; color: #56616d; }
.quick-list { display: grid; }
.quick-account { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.quick-account:last-child { border: 0; }
.quick-account b, .quick-account small { display: block; }
.quick-account small { margin-top: 4px; color: var(--faint); }
.connection-card { margin-top: 14px; }

.operator-strip { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 14px 0 18px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(110deg, #ffffff, #f3faf6); box-shadow: 0 10px 28px rgba(26, 54, 45, .06); }
.operator-strip > div:first-child { min-width: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); align-items: baseline; column-gap: 10px; row-gap: 5px; }
.operator-strip strong { font-size: 17px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.operator-strip .muted { grid-column: 2; font-size: 12px; }
.eyebrow { grid-column: 1 / -1; color: var(--faint); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.operator-state { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.operator-state .muted { font-size: 11px; }
@media (max-width: 720px) {
  .operator-strip { align-items: stretch; flex-direction: column; }
  .operator-strip .button { width: 100%; }
  .operator-state { justify-content: space-between; }
}
.layer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.layer { display: grid; grid-template-columns: auto 1fr; gap: 7px 9px; padding: 13px; border-radius: 10px; background: var(--surface-2); }
.layer i { width: 7px; height: 7px; margin-top: 4px; border-radius: 50%; background: var(--danger); }
.layer.ok i { background: var(--accent); }
.layer b { font-size: 12px; }
.layer span { grid-column: 1 / -1; color: var(--faint); font-size: 10px; }
.log-list { display: grid; gap: 0; max-height: 420px; overflow: auto; }
.log-row { padding: 10px 0; border-bottom: 1px solid var(--line); }
.log-row:last-child { border: 0; }
.log-row b { display: block; color: var(--text); font-size: 11px; }
.log-row p { margin: 5px 0; color: var(--muted); font-size: 11px; line-height: 1.5; word-break: break-word; }
.log-row small { color: var(--faint); font-size: 10px; }
.text-link { font-size: 11px; }
.storage-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.storage-item { padding: 13px; border-radius: 10px; background: var(--surface-2); }
.storage-item b, .storage-item span { display: block; }
.storage-item b { font-size: 18px; }
.storage-item span { margin-top: 5px; color: var(--faint); font-size: 10px; }

.confirm-dialog { width: min(420px, calc(100% - 30px)); padding: 0; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--surface); color: var(--text); box-shadow: 0 30px 90px rgba(0,0,0,.5); }
.confirm-dialog::backdrop { background: rgba(0,0,0,.65); }
.confirm-dialog form { padding: 21px; }
.confirm-dialog h2 { margin: 0; font-size: 17px; }
.confirm-dialog p { margin: 10px 0 22px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.toast-region { position: fixed; z-index: 30; right: 18px; bottom: 18px; display: grid; gap: 8px; }
.toast { display: flex; align-items: center; gap: 14px; max-width: 390px; padding: 12px 14px; border: 1px solid #b7e8cb; border-radius: 10px; background: var(--accent-bg); color: #17643d; box-shadow: 0 16px 50px rgba(15,23,42,.14); font-size: 12px; }
.toast.error { border-color: #f0b7b7; background: var(--danger-bg); color: var(--danger); }
.toast-action { margin-left: auto; padding: 0; border: 0; background: none; color: var(--accent); font-weight: 800; }
.survey-shell { display: grid; min-height: 100vh; place-items: center; padding: 24px; }
.survey-card { width: min(680px, 100%); padding: clamp(22px, 5vw, 42px); }
.survey-card h1 { max-width: 560px; margin: 8px 0 12px; font-size: clamp(24px, 5vw, 38px); line-height: 1.18; }
.survey-card h2 { margin: 10px 0 18px; line-height: 1.4; }
.survey-card fieldset { display: grid; gap: 9px; margin: 4px 0; padding: 14px; border: 1px solid var(--line); border-radius: 10px; }
.survey-card legend { padding: 0 5px; color: var(--muted); font-size: 12px; }
.survey-options { display: grid; gap: 10px; margin: 2px 0 4px; }
.survey-option { display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; background: var(--surface-2); }
.survey-option:has(input:checked) { border-color: var(--accent); background: var(--accent-bg); }
.survey-option input { margin-top: 3px; accent-color: var(--accent); }
.check-row { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.check-row input { accent-color: var(--accent); }
.survey-progress { display: flex; align-items: center; gap: 12px; margin: 26px 0 28px; color: var(--muted); font-size: 12px; }
.survey-progress > span:last-child { flex: 1; height: 5px; overflow: hidden; border-radius: 999px; background: var(--line); }
.survey-progress > span:last-child { background: linear-gradient(to right, var(--accent) var(--survey-progress, 0%), var(--line) var(--survey-progress, 0%)); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 1100px) {
  .health-grid { grid-template-columns: repeat(3, 1fr); }
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .common-grid, .advanced-grid { grid-template-columns: repeat(2, 1fr); }
  .sandbox-grid { grid-template-columns: 1fr 1fr; }
  .mix-fieldset { grid-template-columns: repeat(4, 1fr); }
  .mix-fieldset p { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
  .app-shell { display: block; }
  .sidebar { position: sticky; z-index: 15; display: block; width: 100%; height: auto; padding: 8px 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand, .sidebar-foot { display: none; }
  .sidebar nav { display: flex; overflow-x: auto; scrollbar-width: none; }
  .nav-item { min-width: max-content; padding: 9px 10px; font-size: 12px; }
  .content { padding: 22px 13px 60px; }
  .topbar { display: grid; grid-template-columns: minmax(0, 1fr); align-items: flex-start; }
  .topbar h1 { font-size: 24px; }
  .topbar p { display: none; }
  .top-actions { width: 100%; flex-wrap: nowrap; justify-content: space-between; }
  .group-picker span { display: none; }
  .group-picker { min-width: 0; flex: 1; }
  .group-picker select { width: 100%; max-width: none; }
  .icon-button { display: block; }
  .status-banner { align-items: flex-start; flex-direction: column; }
  .status-banner span { text-align: left; }
  .split, .setting-top, .persona-layout, .provider-forms { grid-template-columns: 1fr; }
  .persona-layout aside { padding: 18px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .filter-bar { grid-template-columns: 1fr 1fr; }
  .switch-grid, .common-grid, .advanced-grid, .detail-list, .sandbox-grid { grid-template-columns: 1fr; }
  .sandbox-grid > label:first-child { grid-column: auto; }
  .capability-list { grid-template-columns: 1fr; }
  .mix-fieldset { grid-template-columns: repeat(2, 1fr); }
  .layer-grid { grid-template-columns: repeat(2, 1fr); }
  .decision-grid { grid-template-columns: 1fr; }
  .conversation-head { align-items: flex-start; flex-direction: column; }
  .scope-head { align-items: flex-start; flex-direction: column; }
  .scope-control { width: 100%; }
  .scope-control button { flex: 1; }
}

@media (max-width: 520px) {
  .survey-shell { display: block; min-height: 100dvh; padding: 0; }
  .survey-card { width: 100%; min-height: 100dvh; padding: 22px 16px calc(88px + env(safe-area-inset-bottom)); border: 0; border-radius: 0; box-shadow: none; }
  .survey-card input, .survey-card textarea, .survey-card select { font-size: 16px; }
  .survey-card #survey-question { min-height: calc(100dvh - 120px); overflow-wrap: anywhere; }
  .survey-card h1 { font-size: 25px; }
  .survey-card h2 { font-size: 20px; }
  .survey-card fieldset { padding: 10px; }
  .survey-option { min-height: 48px; align-items: center; padding: 13px 12px; }
  .survey-option input { width: 20px; height: 20px; flex: 0 0 auto; }
  .survey-card .survey-actions { position: fixed; z-index: 10; right: 0; bottom: 0; left: 0; display: flex; gap: 8px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(12px); }
  .survey-card .survey-actions .button { min-height: 48px; flex: 1; }
}

@media (max-width: 480px) {
  .login-card { padding: 28px 21px; }
  .health-grid, .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { grid-template-columns: 1fr; }
  .filter-bar .button { width: 100%; }
  .mini-message { grid-template-columns: 64px 1fr; }
  .mini-message time { display: none; }
  .layer-grid, .storage-grid { grid-template-columns: repeat(2, 1fr); }
  .mix-fieldset { grid-template-columns: 1fr 1fr; }
  .save-row { align-items: stretch; flex-direction: column; }
  .save-row .button { width: 100%; }
  .toast-region { right: 10px; bottom: 10px; left: 10px; }
  .toast { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}