:root {
  color-scheme: light dark;
  --bg: #f8f3f5;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #261c22;
  --muted: #776b72;
  --line: rgba(62, 38, 50, 0.12);
  --primary: #8d4968;
  --primary-deep: #6f3450;
  --primary-soft: #f0dce5;
  --danger: #aa3d45;
  --danger-soft: #f8e3e5;
  --success: #34705a;
  --shadow: 0 14px 40px rgba(74, 40, 56, 0.10);
  --radius: 22px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181216;
    --surface: rgba(39, 29, 35, 0.94);
    --surface-strong: #2a2026;
    --text: #f8f0f4;
    --muted: #c4b7be;
    --line: rgba(255, 255, 255, 0.11);
    --primary: #d98aad;
    --primary-deep: #edabc7;
    --primary-soft: #4d2d3d;
    --danger: #ff9299;
    --danger-soft: #4a292d;
    --success: #7cc5a7;
    --shadow: 0 14px 40px rgba(0, 0, 0, 0.28);
  }
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -5%, rgba(196, 116, 151, 0.17), transparent 32rem),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app {
  width: min(100%, 720px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

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

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 8vw, 2.2rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.subtitle {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.privacy-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.75rem;
  white-space: nowrap;
}

.privacy-badge svg { width: 15px; height: 15px; }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.timer-card {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 20px;
  text-align: center;
}

.timer-card::before {
  content: "";
  position: absolute;
  inset: -110px auto auto 50%;
  width: 230px;
  height: 230px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--primary-soft);
  filter: blur(4px);
  opacity: 0.72;
  pointer-events: none;
}

.timer-label {
  position: relative;
  z-index: 1;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.timer {
  position: relative;
  z-index: 1;
  margin: 0 0 8px;
  font-variant-numeric: tabular-nums;
  font-size: clamp(3.35rem, 18vw, 5.6rem);
  font-weight: 750;
  letter-spacing: -0.06em;
  line-height: 1;
}

.timer-meta {
  position: relative;
  z-index: 1;
  min-height: 22px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.91rem;
}

.main-button {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 76px;
  border: 0;
  border-radius: 23px;
  padding: 14px 22px;
  color: #fff;
  background: linear-gradient(160deg, var(--primary), var(--primary-deep));
  box-shadow: 0 10px 26px rgba(112, 48, 77, 0.26);
  font-size: 1.18rem;
  font-weight: 750;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
  touch-action: manipulation;
}

.main-button:active { transform: scale(0.985); filter: brightness(0.96); }
.main-button.stop { background: linear-gradient(160deg, #b64f58, #87353d); }

.offset-wrap {
  position: relative;
  z-index: 1;
  margin-top: 16px;
}

.offset-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.83rem;
}

.offsets {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.chip, .secondary-button, .icon-button {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--surface-strong);
  cursor: pointer;
  touch-action: manipulation;
}

.chip {
  min-height: 46px;
  border-radius: 15px;
  padding: 8px 5px;
  font-size: 0.88rem;
  font-weight: 650;
}

.chip:active, .secondary-button:active, .icon-button:active { transform: scale(0.98); }
.chip[disabled] { opacity: 0.45; cursor: default; }

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.stat {
  min-height: 95px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.stat-value {
  display: block;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  font-size: 1.55rem;
  font-weight: 750;
  letter-spacing: -0.035em;
}

.stat-label { color: var(--muted); font-size: 0.78rem; line-height: 1.25; }

.section {
  margin-top: 14px;
  padding: 18px;
}

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

h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.count-pill {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--muted);
  background: var(--primary-soft);
  font-size: 0.76rem;
  font-weight: 700;
}

.empty {
  padding: 24px 10px 18px;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
  line-height: 1.45;
}

.history-list { display: grid; gap: 8px; }

.history-row {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr) minmax(0, 0.9fr) 38px;
  align-items: center;
  gap: 8px;
  min-height: 66px;
  padding: 10px 8px 10px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
}

.history-main { min-width: 0; }
.history-number { color: var(--muted); font-size: 0.72rem; font-weight: 700; }
.history-time { margin-top: 3px; font-variant-numeric: tabular-nums; font-size: 1rem; font-weight: 720; }

.metric { min-width: 0; }
.metric-label { display: block; color: var(--muted); font-size: 0.69rem; }
.metric-value { display: block; margin-top: 3px; font-variant-numeric: tabular-nums; font-size: 0.93rem; font-weight: 680; }

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  padding: 0;
}

.icon-button svg { width: 18px; height: 18px; }
.icon-button.danger { color: var(--danger); background: var(--danger-soft); border-color: transparent; }

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 13px;
}

.secondary-button {
  min-height: 48px;
  border-radius: 15px;
  padding: 10px 12px;
  font-size: 0.88rem;
  font-weight: 680;
}

.secondary-button.wide { grid-column: 1 / -1; }
.secondary-button.danger { color: var(--danger); }
.secondary-button[disabled] { opacity: 0.45; cursor: default; }

.note {
  margin: 16px 3px 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: center;
}

.toast {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  width: max-content;
  max-width: calc(100vw - 32px);
  transform: translate(-50%, 24px);
  padding: 11px 14px;
  border-radius: 14px;
  color: var(--surface-strong);
  background: var(--text);
  box-shadow: var(--shadow);
  font-size: 0.86rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

dialog {
  width: min(calc(100% - 28px), 470px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--text);
  background: var(--surface-strong);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

dialog::backdrop { background: rgba(28, 18, 23, 0.48); backdrop-filter: blur(2px); }

.dialog-body { padding: 20px; }
.dialog-title { margin: 0 0 16px; font-size: 1.22rem; }
.form-grid { display: grid; gap: 13px; }

label { display: grid; gap: 6px; color: var(--muted); font-size: 0.8rem; font-weight: 650; }

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 10px 12px;
  color: var(--text);
  background: var(--bg);
  font-size: 1rem;
}

.duration-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dialog-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 18px; }

@media (min-width: 620px) {
  .app { padding-left: 22px; padding-right: 22px; }
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .timer-card { padding-left: 28px; padding-right: 28px; }
  .offsets { max-width: 430px; margin: 0 auto; }
}

@media (max-width: 360px) {
  .history-row { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.85fr) 38px; }
  .history-row .interval-metric { display: none; }
  .privacy-badge span { display: none; }
}

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