:root {
  color-scheme: light;
  --bg: #f2f5f4;
  --surface: #ffffff;
  --surface-soft: #eef4f2;
  --ink: #16201d;
  --muted: #62716c;
  --line: #d7e1dd;
  --primary: #176f63;
  --primary-strong: #0d554b;
  --danger: #b8473d;
  --danger-soft: #fff0ee;
  --accent: #d8973c;
  --blue: #245f98;
  --shadow: 0 20px 54px rgba(21, 33, 29, 0.08);
  --radius: 8px;
  font-family:
    Inter, "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 10%, rgba(216, 151, 60, 0.14), transparent 30%),
    linear-gradient(135deg, #f7faf9 0%, var(--bg) 46%, #ecf3f1 100%);
  color: var(--ink);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
}

.app-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.app-header h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

.app-header h1 {
  margin-top: 6px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.05;
}

h2 {
  margin-top: 4px;
  font-size: 22px;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.header-status,
.state-pill,
.soft-label {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

main {
  display: grid;
  gap: 18px;
}

.monitor-grid,
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: start;
}

.monitor-panel,
.summary-panel,
.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

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

.timer {
  margin: 18px 0 20px;
  font-size: clamp(44px, 12vw, 96px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.meter-wrap,
.chart-card {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.meter-header,
.meter-footer,
.chart-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.meter-header strong {
  color: var(--ink);
}

.meter {
  height: 18px;
  overflow: hidden;
  margin: 10px 0;
  border-radius: 999px;
  background: #dce6e2;
}

.meter div {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--danger));
  transition: width 160ms ease;
}

.status-list,
.metric-grid,
.settings-list,
.history-list,
.clip-list {
  display: grid;
  gap: 12px;
}

.status-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.status-list div,
.metric-grid div,
.history-item,
.clip-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.status-list div,
.metric-grid div {
  min-height: 74px;
  padding: 13px;
  display: grid;
  align-content: center;
  gap: 5px;
}

.status-list span,
.metric-grid span,
label span,
.clip-meta,
.history-meta {
  color: var(--muted);
  font-size: 13px;
}

.status-list strong,
.metric-grid strong {
  font-size: 20px;
  line-height: 1.1;
}

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

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.button-row.compact {
  margin-top: 12px;
}

.primary-button,
.secondary-button,
.danger-button,
.danger-outline-button,
.text-button {
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
}

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

.primary-button:hover {
  background: var(--primary-strong);
}

.secondary-button {
  background: var(--surface);
  border-color: #aacac2;
  color: var(--primary);
}

.danger-button {
  background: var(--danger);
  color: #ffffff;
}

.danger-outline-button {
  width: fit-content;
  background: var(--danger-soft);
  border-color: #e6b8b2;
  color: var(--danger);
}

.text-button {
  min-height: 34px;
  padding: 0 4px;
  background: transparent;
  color: var(--blue);
}

.hint {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.dim-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  background: #000000;
  color: #2bd6a2;
  text-align: center;
}

.dim-screen[hidden] {
  display: none;
}

.dim-screen span,
.dim-screen em {
  color: #3f8f77;
  font-size: 14px;
  font-style: normal;
}

.dim-screen strong {
  color: #1fb98d;
  font-size: clamp(42px, 15vw, 92px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.timeline {
  min-height: 108px;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
  gap: 6px;
  padding-top: 12px;
}

.timeline-bar {
  min-height: 8px;
  border-radius: 5px 5px 2px 2px;
  background: var(--primary);
  opacity: 0.3;
  position: relative;
}

.timeline-bar.has-data {
  opacity: 1;
}

.timeline-bar span {
  position: absolute;
  left: 50%;
  bottom: -22px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.notes-field,
.range-field,
.switch-field,
.number-grid label {
  display: grid;
  gap: 7px;
}

.notes-field {
  margin-top: 14px;
}

textarea,
input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 10px 11px;
}

textarea {
  resize: vertical;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.switch-field {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
}

.switch-field input {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.number-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.clip-item,
.history-item {
  padding: 14px;
}

.clip-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 12px;
  align-items: center;
}

.clip-title,
.clip-meta {
  display: block;
}

audio {
  width: 100%;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.history-title {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
}

.history-title strong {
  font-size: 17px;
}

.history-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 5px;
}

.history-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.empty-state {
  min-height: 92px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  border: 1px dashed #b9c9c4;
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.56);
}

.is-recording .state-pill {
  color: var(--primary);
  border-color: #9ac6bd;
  background: #eef8f5;
}

.is-snoring .state-pill {
  color: var(--danger);
  border-color: #e0aaa4;
  background: var(--danger-soft);
}

@media (max-width: 860px) {
  .app-shell {
    padding: 16px;
  }

  .app-header,
  .monitor-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .app-header {
    display: grid;
  }

  .status-list,
  .metric-grid,
  .number-grid,
  .clip-item,
  .history-item {
    grid-template-columns: 1fr;
  }

  .history-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 460px) {
  .monitor-panel,
  .summary-panel,
  .panel {
    padding: 16px;
  }

  .panel-heading {
    display: grid;
  }

  .primary-button,
  .secondary-button,
  .danger-button,
  .danger-outline-button {
    width: 100%;
  }

  .timeline {
    gap: 4px;
  }
}