:root {
  --bg: #f4f1ec;
  --ink: #111816;
  --muted: #65736d;
  --line: #d5ddd6;
  --surface: #ffffff;
  --surface-soft: #eef5f0;
  --green: #20835e;
  --green-dark: #075940;
  --orange: #c96f21;
  --red: #b73324;
  --shadow: 0 18px 48px rgba(25, 38, 32, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(32, 131, 94, 0.12), transparent 38%),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
  min-height: 44px;
  padding: 0 14px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 14px;
  width: min(1180px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 16px 0;
  align-items: center;
}

.hero-panel,
.settings-card,
.pattern-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.eyebrow,
.section-title span {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 4px 0 0;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.timer-card {
  display: grid;
  gap: 10px;
}

.mode-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.mode-toggle button {
  min-height: 38px;
  border-color: transparent;
  background: transparent;
}

.mode-toggle button.is-active {
  background: var(--green);
  color: #fff;
}

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

.phase-row b {
  color: var(--green-dark);
}

.phase-row span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 1rem;
  font-weight: 950;
}

.phase-row strong {
  color: var(--muted);
  font-size: 0.95rem;
}

.timer-face {
  display: grid;
  place-items: center;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at center, #fff 0 47%, transparent 48%),
    conic-gradient(var(--green) var(--progress, 0%), #e3e9e4 0);
  text-align: center;
  transition: background-color 160ms ease, transform 160ms ease;
}

.timer-face.is-running {
  background:
    radial-gradient(circle at center, #fff 0 47%, transparent 48%),
    conic-gradient(var(--green) var(--progress, 0%), #e3e9e4 0);
}

.timer-face.is-run {
  background:
    radial-gradient(circle at center, #fff 0 47%, transparent 48%),
    conic-gradient(var(--orange) var(--progress, 0%), #eee5dc 0);
}

.timer-face.is-warning {
  animation: pulse 900ms ease-in-out infinite;
}

.timer-face p,
.timer-face span {
  margin: 0;
  color: var(--muted);
  font-weight: 850;
}

.timer-face strong {
  display: block;
  margin: 8px 0;
  font-variant-numeric: tabular-nums;
  font-size: clamp(3.5rem, 14vw, 7.5rem);
  line-height: 0.9;
}

.secondary-time {
  display: block;
  margin: -2px 0 12px;
  color: var(--green-dark);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 4vw, 1.6rem);
  font-weight: 950;
}

.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e0e7e1;
}

.progress-track div {
  width: var(--progress, 0%);
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.control-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.timer-face .wake-lock-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin: 0 0 10px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 850;
  text-align: center;
}

.timer-face .wake-lock-status.is-active {
  border-color: rgba(32, 131, 94, 0.28);
  background: rgba(32, 131, 94, 0.12);
  color: var(--green-dark);
}

.timer-face .wake-lock-status.is-requesting {
  border-color: rgba(201, 111, 33, 0.24);
  background: rgba(201, 111, 33, 0.1);
  color: var(--orange);
}

.timer-face .wake-lock-status.is-insecure,
.timer-face .wake-lock-status.is-unavailable {
  border-color: rgba(183, 51, 36, 0.24);
  background: rgba(183, 51, 36, 0.1);
  color: var(--red);
}

.primary-action {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
  min-height: 64px;
  font-size: 1.35rem;
}

.side-grid {
  display: grid;
  gap: 14px;
}

.settings-card {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.section-title strong {
  color: var(--green-dark);
}

.setting-field {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 96px;
  align-items: center;
  gap: 10px;
}

.setting-field span {
  color: var(--ink);
  font-weight: 850;
}

.setting-field input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  font-weight: 850;
}

.setting-field small {
  color: var(--muted);
  font-weight: 750;
}

.pattern-card {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.pattern-card div {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 52px;
}

.pattern-card span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--green-dark);
  font-weight: 950;
}

.pattern-card strong {
  font-size: 1rem;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.015);
  }
}

@media (max-width: 880px) {
  .app-shell {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 16px 0;
  }

  .timer-face {
    min-height: 260px;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
  }

  .hero-panel {
    padding: 10px;
  }

  .phase-row {
    align-items: center;
    flex-direction: row;
  }

  .control-row {
    gap: 8px;
  }

  .timer-face {
    min-height: 220px;
  }

  .timer-face strong {
    font-size: clamp(3.4rem, 19vw, 5.8rem);
  }

  .setting-field {
    grid-template-columns: 1fr 88px;
  }

  .setting-field small {
    grid-column: 1 / -1;
  }
}