:root {
  --bg: #f3efe6;
  --bg-accent: #e7ddd0;
  --panel: rgba(255, 250, 242, 0.88);
  --panel-strong: #fffaf2;
  --ink: #1c2024;
  --muted: #6d737d;
  --line: rgba(28, 32, 36, 0.1);
  --primary: #0f5f5c;
  --primary-soft: rgba(15, 95, 92, 0.12);
  --accent: #c76b2a;
  --danger: #b6402c;
  --success: #1d7a43;
  --shadow: 0 24px 60px rgba(34, 36, 38, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(199, 107, 42, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(15, 95, 92, 0.14), transparent 32%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
}

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

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
  box-shadow: none;
}

.shell {
  width: min(1680px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(360px, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.hero-copy,
.hero-side,
.panel {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: grid;
  align-content: space-between;
  min-height: 248px;
  padding: 32px;
  border-radius: 32px;
}

.hero-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  border-radius: 28px;
  align-content: start;
}

.eyebrow,
.panel-kicker,
.status-label,
.metric-label,
.muted,
.small {
  color: var(--muted);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.panel h2,
.detail-title {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.02;
}

.lead {
  max-width: 56ch;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.status-card {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(28, 32, 36, 0.08);
  border-radius: 18px;
}

.status-card strong {
  font-size: 22px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(360px, 1fr);
  grid-template-areas:
    "control control"
    "dashboard detail"
    "recap recap"
    "demo demo";
  gap: 20px;
  align-items: start;
}

.panel {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.panel-dashboard {
  grid-area: dashboard;
  min-height: 0;
}

.panel-detail {
  grid-area: detail;
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow: auto;
}

.panel-recap,
.panel-demo,
.panel-control {
  grid-column: 1 / -1;
}

.panel-control {
  grid-area: control;
}

.panel-recap {
  grid-area: recap;
}

.panel-demo {
  grid-area: demo;
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 1fr);
  gap: 14px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 18px;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: end;
  flex-wrap: wrap;
}

.toolbar-field {
  display: grid;
  gap: 6px;
  min-width: 180px;
}

.control-field {
  min-width: min(360px, 100%);
}

.toolbar-field span {
  font-size: 12px;
  color: var(--muted);
}

select,
input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
}

textarea {
  min-height: 104px;
  resize: vertical;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  transition: 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(28, 32, 36, 0.08);
}

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

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.chip {
  padding: 10px 14px;
  border: 1px solid rgba(28, 32, 36, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
}

.chip.is-active {
  border-color: transparent;
  background: var(--primary-soft);
  color: var(--primary);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.dashboard-signals {
  margin-bottom: 18px;
}

.metric-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(28, 32, 36, 0.06);
}

.metric-value {
  margin-top: 8px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.users-list,
.recap-panel,
.detail-panel {
  display: grid;
  gap: 12px;
}

.users-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.user-row,
.stack-card,
.comment-card,
.tag-group {
  border: 1px solid rgba(28, 32, 36, 0.08);
  background: rgba(255, 255, 255, 0.64);
  border-radius: 18px;
}

.user-row {
  display: grid;
  gap: 14px;
  width: 100%;
  height: 100%;
  padding: 16px;
  text-align: left;
}

.user-row.is-active {
  border-color: rgba(15, 95, 92, 0.24);
  background: rgba(15, 95, 92, 0.1);
}

.row-top,
.detail-top,
.inline-list,
.tag-toolbar,
.note-toolbar,
.recap-grid,
.tag-chip-line {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.row-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
}

.user-name,
.detail-title,
.recap-number {
  font-size: 22px;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(28, 32, 36, 0.06);
  color: var(--muted);
  font-size: 12px;
}

.badge.is-good {
  background: rgba(29, 122, 67, 0.12);
  color: var(--success);
}

.badge.is-warm {
  background: rgba(199, 107, 42, 0.12);
  color: var(--accent);
}

.badge.is-danger {
  background: rgba(182, 64, 44, 0.12);
  color: var(--danger);
}

.comment-preview {
  color: var(--muted);
  line-height: 1.6;
}

.stack-card {
  padding: 16px;
}

.audience-stream-card {
  display: grid;
  gap: 14px;
}

.audience-stream-card__head {
  margin-bottom: 0;
}

.audience-stream-filter-row {
  margin-bottom: 0;
}

.interaction-list {
  display: grid;
  gap: 10px;
}

.interaction-row {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(28, 32, 36, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
}

.interaction-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(28, 32, 36, 0.06);
}

.interaction-row__top,
.interaction-row__detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.detail-top {
  justify-content: space-between;
  align-items: start;
}

.detail-section {
  display: grid;
  gap: 10px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.session-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stat-box {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(28, 32, 36, 0.06);
}

.stat-box strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
}

.comment-card {
  padding: 14px;
}

.comment-time {
  margin-top: 8px;
  font-size: 12px;
}

.tag-group {
  padding: 14px;
  display: grid;
  gap: 12px;
}

.tag-chip-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.tag-chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(28, 32, 36, 0.08);
  background: rgba(255, 255, 255, 0.85);
}

.tag-chip.is-selected {
  border-color: transparent;
  color: #fff;
}

.tag-delete {
  min-width: 34px;
  min-height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(182, 64, 44, 0.16);
  background: rgba(182, 64, 44, 0.08);
  color: var(--danger);
}

.tag-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px auto;
  gap: 10px;
}

.note-toolbar {
  justify-content: space-between;
}

.snapshot-card,
.insight-note {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(15, 95, 92, 0.08);
  border: 1px solid rgba(15, 95, 92, 0.12);
}

.snapshot-card {
  display: grid;
  gap: 12px;
}

.insight-note--warn {
  margin-top: 12px;
  background: rgba(199, 107, 42, 0.1);
  border-color: rgba(199, 107, 42, 0.2);
  color: #8c4b1a;
}

.snapshot-card__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.recap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.recap-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(28, 32, 36, 0.06);
}

.recap-list {
  display: grid;
  gap: 10px;
}

.event-link {
  display: grid;
  justify-items: start;
  gap: 4px;
}

.link-button {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--primary);
}

.empty {
  padding: 24px;
  border-radius: 18px;
  border: 1px dashed rgba(28, 32, 36, 0.18);
  color: var(--muted);
}

.demo-copy {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

@media (max-width: 1460px) {
  .shell {
    width: min(100vw - 32px, 100%);
  }

  .hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.95fr);
  }

  .summary-grid,
  .recap-grid,
  .session-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .users-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas: none;
  }

  .panel-control,
  .panel-dashboard,
  .panel-detail,
  .panel-recap,
  .panel-demo {
    grid-area: auto;
    grid-column: auto;
  }

  .panel-detail {
    position: static;
    max-height: none;
    overflow: visible;
  }

  .summary-grid,
  .recap-grid,
  .control-grid,
  .session-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .users-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100vw - 20px, 100%);
    padding-top: 12px;
  }

  .hero-copy,
  .panel {
    padding: 20px;
  }

  .hero-side {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .detail-grid,
  .recap-grid,
  .tag-form,
  .control-grid,
  .session-meta-grid {
    grid-template-columns: 1fr;
  }

  .demo-copy,
  .panel-head,
  .row-main {
    grid-template-columns: 1fr;
    display: grid;
  }
}