:root {
  color-scheme: dark;
  --timer-background: #09090b;
  --timer-text: #fafafa;
  --timer-muted: #a1a1aa;
  --timer-border: rgba(250, 250, 250, 0.24);
  --timer-hover: rgba(250, 250, 250, 0.08);
  --timer-dialog-background: #18181b;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body.pomodoro-page {
  margin: 0;
  overflow: hidden;
  background: var(--timer-background);
  color: var(--timer-text);
  font-family: var(--font-sans, 'Inter', system-ui, sans-serif);
}

button {
  font: inherit;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.timer-main {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding: max(1.25rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
    max(1.25rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.timer-centre {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  max-width: 100%;
}

.timer-heading {
  margin: 0;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.timer-display {
  display: block;
  color: var(--timer-text);
  font-size: clamp(4.5rem, min(24vw, 31vh), 18rem);
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: -0.07em;
  line-height: 0.9;
  white-space: nowrap;
}

.timer-controls {
  display: grid;
  align-items: center;
  grid-template-columns: 2.75rem clamp(4.5rem, 9vw, 5.25rem) 2.75rem;
  gap: clamp(0.75rem, 2.5vw, 1.25rem);
  margin-top: clamp(2rem, 6vh, 4rem);
}

.timer-toggle,
.timer-reset,
.corner-button,
.dialog-close {
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--timer-border);
  background: transparent;
  color: var(--timer-text);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.timer-toggle {
  width: clamp(4.5rem, 9vw, 5.25rem);
  height: clamp(4.5rem, 9vw, 5.25rem);
  grid-column: 2;
  border-radius: 50%;
}

.timer-toggle-icon {
  width: 42%;
  height: 42%;
  fill: currentColor;
}

.timer-toggle-icon[data-play-icon] {
  transform: translateX(0.1em);
}

.timer-reset {
  width: 2.75rem;
  height: 2.75rem;
  grid-column: 3;
  border-color: transparent;
  border-radius: 50%;
  color: var(--timer-muted);
}

.timer-reset svg,
.corner-button svg,
.dialog-close svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.corner-button {
  position: fixed;
  z-index: 2;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  width: 2.75rem;
  height: 2.75rem;
  border-color: transparent;
  border-radius: 50%;
  color: var(--timer-muted);
}

.timer-toggle:hover,
.timer-reset:hover,
.corner-button:hover,
.dialog-close:hover {
  background: var(--timer-hover);
  color: var(--timer-text);
}

.timer-toggle:active,
.timer-reset:active,
.corner-button:active,
.dialog-close:active {
  transform: scale(0.96);
}

.timer-toggle:focus-visible,
.timer-reset:focus-visible,
.corner-button:focus-visible,
.dialog-close:focus-visible {
  outline: 3px solid var(--timer-text);
  outline-offset: 4px;
}

.timer-dialog {
  width: min(30rem, calc(100vw - 2rem));
  margin: auto;
  padding: 2.75rem 3.25rem 2.25rem 2.25rem;
  border: 1px solid var(--timer-border);
  border-radius: 0.75rem;
  background: var(--timer-dialog-background);
  color: var(--timer-text);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.45);
}

.timer-dialog::backdrop {
  background: rgba(0, 0, 0, 0.64);
}

.timer-dialog p {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.65;
}

.dialog-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 2.75rem;
  height: 2.75rem;
  border-color: transparent;
  border-radius: 50%;
  color: var(--timer-muted);
}

@media (max-height: 31.25rem) {
  .timer-controls {
    margin-top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
  }
}

@media (forced-colors: active) {
  .timer-toggle,
  .timer-reset,
  .corner-button,
  .dialog-close,
  .timer-dialog {
    border-color: ButtonText;
  }
}