:root {
  color-scheme: dark;
  --bg: #16171d;
  --fg: #f6f4ef;
  --muted: #a8a49b;
  --fill: #f6f4ef;
  --ink: #16171d;
}

body[data-screen="countdown"] {
  --bg: #1c1917;
  --fg: #fafaf9;
  --muted: #d6d3d1;
}

body[data-screen="work"] {
  --bg: #c2410c;
  --fg: #fff7ed;
  --muted: #ffedd5;
  --fill: #fff7ed;
  --ink: #431407;
}

body[data-screen="rest"] {
  --bg: #155e75;
  --fg: #ecfeff;
  --muted: #cffafe;
  --fill: #ecfeff;
  --ink: #083344;
}

body[data-screen="done"] {
  --bg: #166534;
  --fg: #f0fdf4;
  --muted: #dcfce7;
  --fill: #f0fdf4;
  --ink: #052e16;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
}

body {
  min-height: 100dvh;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding:
    max(1.25rem, env(safe-area-inset-top))
    max(1.25rem, env(safe-area-inset-right))
    max(1.25rem, env(safe-area-inset-bottom))
    max(1.25rem, env(safe-area-inset-left));
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.panel[hidden] {
  display: none;
}

h1 {
  margin: 0;
  font-size: 1.85rem;
  font-weight: 650;
  letter-spacing: -0.03em;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.25rem 0 1.25rem;
}

.topbar.with-back {
  position: relative;
  justify-content: flex-start;
}

.topbar.with-back h1 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
}

.text-btn {
  min-height: 3rem;
  padding: 0.35rem 0.15rem;
  border: 0;
  background: transparent;
  color: var(--fg);
  font-size: 1.05rem;
  font-weight: 650;
}

.hint {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.preset-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.preset-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
}

.preset-row:last-child {
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
}

.preset-load {
  flex: 1;
  min-height: 4.25rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.85rem 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}

.preset-name {
  font-size: 1.2rem;
  font-weight: 650;
}

.preset-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.icon-btn {
  flex: none;
  width: 3.25rem;
  height: 3.25rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: var(--fill);
  color: var(--ink);
}

.icon-btn svg {
  width: 1.35rem;
  height: 1.35rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.25rem;
}

.field span {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 2px solid color-mix(in srgb, var(--fg) 45%, transparent);
  background: transparent;
  font-size: 1.35rem;
  font-weight: 650;
}

.form-error {
  margin: 0.85rem 0 0;
  color: #fecaca;
}

.editor-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

.editor-actions .primary {
  margin-top: 0;
}

.settings {
  display: flex;
  flex-direction: column;
}

.setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
}

.setting:last-child {
  border-bottom: 1px solid color-mix(in srgb, var(--fg) 16%, transparent);
}

.name {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.name label {
  font-size: 1.2rem;
  font-weight: 650;
}

.name span {
  color: var(--muted);
  font-size: 0.9rem;
}

.stepper {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.stepper button {
  width: 3.25rem;
  height: 3.25rem;
  border: 0;
  border-radius: 999px;
  background: var(--fill);
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1;
}

.stepper input {
  width: 4.5rem;
  padding: 0.2rem 0;
  border: 0;
  border-bottom: 2px solid color-mix(in srgb, var(--fg) 45%, transparent);
  background: transparent;
  font-size: 2rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.stepper input {
  -moz-appearance: textfield;
  appearance: textfield;
}

.primary,
.ghost {
  min-height: 3.5rem;
  border-radius: 999px;
  font-size: 1.2rem;
  font-weight: 650;
}

.primary {
  margin-top: auto;
  border: 0;
  background: var(--fill);
  color: var(--ink);
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.actions .primary {
  margin-top: 0;
}

.ghost {
  border: 2px solid color-mix(in srgb, var(--fg) 80%, transparent);
  background: transparent;
  color: var(--fg);
}

.readout {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  user-select: none;
}

.phase {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.timer {
  position: relative;
  display: grid;
  place-items: center;
  width: min(78vw, 22rem);
  aspect-ratio: 1;
  margin: 0.35rem 0 0.5rem;
}

.ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(-90deg);
  color: var(--fg);
}

.ring[hidden] {
  display: none;
}

.ring circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.75;
  stroke-linecap: round;
}

.time {
  margin: 0;
  font-size: clamp(6.5rem, 34vw, 9rem);
  font-weight: 650;
  line-height: 0.9;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}

.round,
.left {
  margin: 0;
}

.round {
  font-size: 1.35rem;
  font-weight: 650;
}

.left {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 1.15rem;
}

#done .round {
  margin-top: 0.75rem;
  font-size: 1.5rem;
}