:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --background: #eef3f7;
  --surface: #ffffff;
  --surface-muted: #e4ebf1;
  --text: #10283e;
  --muted: #506779;
  --accent: #176b87;
  --accent-strong: #0f536a;
  --focus: #9c3cff;
  --warning: #f0c74d;
  --warning-text: #493700;
  --finished: #c6292f;
  --finished-dark: #7d171b;
  --shadow: 0 18px 45px rgb(17 44 68 / 12%);
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding:
    max(1rem, env(safe-area-inset-top))
    max(1rem, env(safe-area-inset-right))
    max(1rem, env(safe-area-inset-bottom))
    max(1rem, env(safe-area-inset-left));
  color: var(--text);
  background:
    radial-gradient(circle at top, rgb(255 255 255 / 85%), transparent 48%),
    var(--background);
  transition: background-color 240ms ease, color 240ms ease;
}

button,
input {
  font: inherit;
}

button {
  min-height: 3.25rem;
  border-radius: 0.85rem;
  cursor: pointer;
  touch-action: manipulation;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

button:focus-visible,
input:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
}

.timer-shell {
  width: min(100%, 86rem);
  min-height: calc(100vh - 2rem);
  min-height: calc(100dvh - 2rem);
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(12rem, 1fr) auto auto auto;
  gap: clamp(0.8rem, 2.2vh, 1.4rem);
}

.timer-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.15rem, 2.8vw, 1.7rem);
  letter-spacing: 0.01em;
}

h2 {
  font-size: 1.05rem;
}

.status {
  min-width: 6rem;
  color: var(--muted);
  font-weight: 750;
  text-align: right;
}

.countdown-panel {
  min-height: 12rem;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgb(23 50 77 / 10%);
  border-radius: clamp(1.25rem, 3vw, 2.2rem);
  background: rgb(255 255 255 / 78%);
  box-shadow: var(--shadow);
}

.timer-display {
  display: block;
  padding: 0 0.18em;
  font-size: clamp(5.5rem, 25vw, 18rem);
  font-weight: 850;
  line-height: 0.9;
  letter-spacing: -0.075em;
  font-variant-numeric: tabular-nums;
  text-align: center;
  white-space: nowrap;
}

.primary-controls {
  display: grid;
  grid-template-columns: minmax(10rem, 1.35fr) minmax(10rem, 1fr);
  gap: 0.8rem;
}

.button {
  border: 2px solid transparent;
  padding: 0.8rem 1.15rem;
  font-weight: 780;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
}

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

.button-secondary,
.button-small {
  border-color: rgb(16 40 62 / 16%);
  color: var(--text);
  background: var(--surface);
}

.button-secondary.is-confirming {
  border-color: var(--finished);
  color: var(--finished-dark);
  background: #fff0f0;
}

.duration-settings {
  display: grid;
  gap: 0.65rem;
  padding: clamp(0.85rem, 2vw, 1.2rem);
  border-radius: 1.1rem;
  background: rgb(255 255 255 / 72%);
}

.quick-times {
  display: grid;
  grid-template-columns: repeat(6, minmax(4.5rem, 1fr));
  gap: 0.5rem;
}

.quick-time,
.setting-button {
  border: 2px solid transparent;
  padding: 0.65rem 0.75rem;
  color: var(--text);
  background: var(--surface-muted);
  font-weight: 720;
}

.quick-time.is-selected {
  border-color: var(--accent);
  color: #ffffff;
  background: var(--accent);
}

.custom-time {
  display: grid;
  grid-template-columns: minmax(9rem, 1fr) auto;
  align-items: end;
  gap: 0.65rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

label {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 680;
}

input {
  min-height: 3.25rem;
  width: 100%;
  border: 2px solid rgb(16 40 62 / 24%);
  border-radius: 0.75rem;
  padding: 0.7rem 0.85rem;
  color: var(--text);
  background: var(--surface);
}

input[aria-invalid="true"] {
  border-color: var(--finished);
}

.input-message,
.browser-message {
  min-height: 1.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.display-settings {
  display: grid;
  grid-template-columns: repeat(2, minmax(9rem, 1fr));
  gap: 0.65rem;
}

.setting-button[aria-pressed="true"] {
  box-shadow: inset 0 0 0 2px var(--accent);
}

body.is-warning {
  color: var(--warning-text);
  background: #f8e6a4;
}

body.is-warning .countdown-panel {
  border-color: #c59400;
  background: #fff7d7;
}

body.is-warning .status {
  color: #705500;
}

body.is-finished {
  color: #ffffff;
  background: var(--finished);
}

body.is-finished .countdown-panel,
body.is-finished .duration-settings {
  border-color: rgb(255 255 255 / 42%);
  background: rgb(83 0 5 / 30%);
}

body.is-finished .status,
body.is-finished label,
body.is-finished .input-message,
body.is-finished .browser-message {
  color: #ffffff;
}

body.is-finished .timer-display {
  color: #ffffff;
}

body.finish-pulse .countdown-panel {
  animation: finish-pulse 1.2s ease-out 1;
}

@keyframes finish-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  25%,
  70% {
    transform: scale(0.975);
    box-shadow: 0 0 0 0.65rem rgb(255 255 255 / 42%);
  }
}

@media (orientation: landscape) and (min-width: 700px) {
  .timer-shell {
    grid-template-columns: minmax(0, 2.4fr) minmax(19rem, 1fr);
    grid-template-rows: auto minmax(16rem, 1fr) auto;
  }

  .timer-header,
  .countdown-panel,
  .primary-controls {
    grid-column: 1;
  }

  .timer-header {
    grid-row: 1;
  }

  .countdown-panel {
    grid-row: 2;
  }

  .primary-controls {
    grid-row: 3;
  }

  .duration-settings {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-content: start;
  }

  .display-settings,
  .browser-message {
    grid-column: 2;
    grid-row: 3;
  }

  .display-settings {
    align-self: start;
  }

  .browser-message {
    align-self: end;
    padding-top: 3.7rem;
    pointer-events: none;
  }

  .quick-times {
    grid-template-columns: repeat(2, minmax(5rem, 1fr));
  }

  .custom-time {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .quick-times {
    grid-template-columns: repeat(3, minmax(4.5rem, 1fr));
  }

  .primary-controls {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 410px) {
  .custom-time {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}



.ausberlinos-backlink { margin: 0 0 18px; font: 500 14px/1.5 system-ui, sans-serif; }
.ausberlinos-backlink a { display: inline-flex; align-items: center; min-height: 44px; color: inherit; text-underline-offset: 4px; }
.ausberlinos-backlink a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }