:root {
  color-scheme: dark;
  --color-bg: #0b1715;
  --color-bg-elevated: #10201d;
  --color-panel: #132521;
  --color-panel-strong: #19302a;
  --color-text: #f1e9d8;
  --color-muted: #9ca9a1;
  --color-faint: #687871;
  --color-accent: #d6ad57;
  --color-accent-strong: #f0ca76;
  --color-accent-ink: #17211e;
  --color-danger: #d96455;
  --color-danger-soft: #41251f;
  --color-border: #29413a;
  --color-border-strong: #3b574d;
  --color-overlay: rgba(3, 10, 8, 0.68);
  --shadow-panel: 0 20px 60px rgba(0, 0, 0, 0.24);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-numeric: "SFMono-Regular", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --radius-small: 4px;
  --radius-medium: 12px;
  --radius-large: 20px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="day"] {
  color-scheme: light;
  --color-bg: #f1e8db;
  --color-bg-elevated: #eadfce;
  --color-panel: #e7dac8;
  --color-panel-strong: #dccbb4;
  --color-text: #2b211d;
  --color-muted: #75645d;
  --color-faint: #98857a;
  --color-accent: #842d36;
  --color-accent-strong: #6f202a;
  --color-accent-ink: #fff8ed;
  --color-danger: #a62835;
  --color-danger-soft: #ecd0cd;
  --color-border: #cdbba6;
  --color-border-strong: #b59e86;
  --color-overlay: rgba(52, 38, 31, 0.36);
  --shadow-panel: 0 20px 60px rgba(75, 50, 32, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
}

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  transition: background-color 220ms var(--ease-out), color 180ms var(--ease-out);
}

body.drawer-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  min-height: 48px;
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

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

button:active {
  transform: translateY(1px) scale(0.985);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.38;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

.ambient-ring {
  position: fixed;
  z-index: 0;
  width: 42vw;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--color-accent) 14%, transparent);
  border-radius: 50%;
  pointer-events: none;
}

.ambient-ring::before,
.ambient-ring::after {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--color-accent) 10%, transparent);
  border-radius: inherit;
  content: "";
  inset: 12%;
}

.ambient-ring::after {
  inset: 28%;
}

.ambient-ring--one {
  top: -28vw;
  right: -18vw;
}

.ambient-ring--two {
  bottom: -34vw;
  left: -28vw;
}

.timer-app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(250px, 1fr) auto auto;
  gap: clamp(10px, 1.7vh, 18px);
  width: min(100%, 1440px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 58px;
}

.brand-kicker,
.section-caption {
  margin-bottom: 4px;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-block h1 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.7vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-panel) 72%, transparent);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-faint);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-faint) 15%, transparent);
}

.status-dot.is-running {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 18%, transparent), 0 0 18px color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.status-dot.is-completed {
  background: var(--color-danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-danger) 18%, transparent);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.header-button,
.close-button,
.text-button,
.add-actions button {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: color-mix(in srgb, var(--color-panel) 76%, transparent);
  color: var(--color-text);
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out), transform 120ms ease;
}

.header-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 14px;
  font-size: 0.84rem;
  font-weight: 700;
}

.header-button:hover,
.close-button:hover,
.text-button:hover,
.add-actions button:hover {
  border-color: var(--color-border-strong);
  background: var(--color-panel-strong);
}

.button-mark {
  color: var(--color-accent);
  font-size: 1.2em;
}

.clock-stage {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 0;
  text-align: center;
}

.stage-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(8px, 1.3vh, 14px);
}

.level-badge {
  padding: 7px 11px;
  border-radius: var(--radius-small);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.stage-count {
  color: var(--color-faint);
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.timer {
  color: var(--color-accent-strong);
  font-family: var(--font-numeric);
  font-size: clamp(5.4rem, 14.5vw, 12.5rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.075em;
  line-height: 0.84;
  text-shadow: 0 10px 42px color-mix(in srgb, var(--color-accent) 16%, transparent);
  transition: color 180ms var(--ease-out);
}

.timer.is-warning {
  color: var(--color-danger);
}

.blind-block {
  margin-top: clamp(16px, 2.5vh, 28px);
}

.blinds {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  margin-bottom: 5px;
  font-family: var(--font-numeric);
  font-size: clamp(2.1rem, 5vw, 4.6rem);
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}

.blind-divider {
  color: var(--color-danger);
  font-family: var(--font-display);
  font-weight: 400;
}

.progress-track {
  width: min(380px, 48vw);
  height: 3px;
  margin-top: clamp(15px, 2.5vh, 27px);
  overflow: hidden;
  border-radius: 99px;
  background: var(--color-border);
}

.progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--color-accent);
  transform-origin: left center;
  transition: transform 300ms linear;
}

.next-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: color-mix(in srgb, var(--color-panel) 58%, transparent);
}

.next-panel p {
  margin-bottom: 0;
}

.next-stage {
  font-family: var(--font-numeric);
  font-size: clamp(0.96rem, 1.6vw, 1.2rem);
  font-weight: 750;
}

.next-time {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.72rem;
}

.next-time strong {
  color: var(--color-text);
  font-size: 0.9rem;
}

.controls {
  display: grid;
  grid-template-columns: 0.7fr 0.7fr minmax(190px, 1.35fr) 0.7fr 0.7fr;
  gap: 9px;
}

.control-button,
.primary-control {
  min-height: 66px;
  border-radius: var(--radius-medium);
  transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 120ms ease;
}

.control-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-panel) 74%, transparent);
  color: var(--color-text);
}

.control-button:hover {
  border-color: var(--color-border-strong);
  background: var(--color-panel-strong);
}

.control-button > span {
  font-family: var(--font-numeric);
  font-size: 1.15rem;
  font-weight: 750;
}

.control-button small {
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.primary-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 10px 26px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

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

.primary-control-mark {
  font-size: 0.82rem;
}

.drawer-backdrop {
  position: fixed;
  z-index: 9;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(3px);
}

.drawer {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  width: min(520px, 100vw);
  height: 100dvh;
  overflow-y: auto;
  padding: 24px;
  border-left: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-panel);
  transform: translateX(102%);
  visibility: hidden;
  transition: transform 240ms var(--ease-out), visibility 240ms;
}

.drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-header,
.settings-section-heading,
.drawer-actions,
.dialog-actions,
.add-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.drawer-header {
  margin-bottom: 28px;
}

.drawer-header h2,
.confirm-dialog h2 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 2rem;
}

.close-button {
  width: 48px;
  padding: 0;
  font-size: 1.75rem;
}

.settings-section {
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
}

.settings-section-heading {
  margin-bottom: 16px;
}

.settings-section-heading h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.settings-section-heading span,
.capability-note {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 0.72rem;
}

.field {
  display: grid;
  gap: 7px;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.field input,
.stage-editor input,
.stage-editor select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-panel);
  color: var(--color-text);
  padding: 0 12px;
}

.field small,
.form-error {
  min-height: 16px;
  color: var(--color-danger);
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  border-bottom: 1px solid var(--color-border);
}

.toggle-row > span {
  display: grid;
  gap: 3px;
}

.toggle-row small {
  color: var(--color-muted);
}

.toggle-row input {
  position: absolute;
  opacity: 0;
}

.toggle-row i {
  position: relative;
  width: 48px;
  height: 28px;
  border-radius: 99px;
  background: var(--color-border-strong);
  transition: background-color 180ms var(--ease-out);
}

.toggle-row i::after {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-text);
  content: "";
  transition: transform 180ms var(--ease-out);
}

.toggle-row input:checked + i {
  background: var(--color-accent);
}

.toggle-row input:checked + i::after {
  background: var(--color-accent-ink);
  transform: translateX(20px);
}

.toggle-row input:focus-visible + i {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.text-button,
.add-actions button {
  min-height: 38px;
  padding: 0 11px;
  color: var(--color-accent-strong);
  font-size: 0.74rem;
  font-weight: 750;
}

.stage-editor {
  display: grid;
  gap: 8px;
}

.stage-row {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.stage-row--break {
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-panel));
}

.stage-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 7px 9px 7px 13px;
  border-bottom: 1px solid var(--color-border);
}

.stage-row-header > div,
.stage-row-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-row-number {
  color: var(--color-accent-strong);
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  font-weight: 800;
}

.stage-row-header strong {
  font-size: 0.82rem;
}

.stage-row-actions button {
  width: 38px;
  min-height: 36px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-elevated);
  color: var(--color-muted);
  font-weight: 800;
}

.stage-row-actions button:last-child {
  color: var(--color-danger);
}

.stage-fields {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr repeat(2, 1fr);
  gap: 8px;
  padding: 12px;
}

.stage-fields--break {
  grid-template-columns: 1fr 1fr;
}

.stage-field {
  display: grid;
  min-width: 0;
  gap: 5px;
  color: var(--color-muted);
  font-size: 0.67rem;
  font-weight: 650;
}

.stage-field input,
.stage-field select {
  min-height: 44px;
  padding: 0 9px;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.stage-field small {
  min-height: 0;
  color: var(--color-danger);
  font-size: 0.62rem;
  line-height: 1.35;
}

.stage-field small:not(:empty) {
  min-height: 28px;
}

.form-error {
  display: block;
  margin-top: 8px;
}

.drawer-actions {
  position: sticky;
  bottom: -24px;
  margin: 16px -24px -24px;
  padding: 18px 24px max(18px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg-elevated) 92%, transparent);
  backdrop-filter: blur(16px);
}

.danger-button,
.save-button {
  min-height: 50px;
  padding: 0 18px;
  border-radius: var(--radius-medium);
  font-weight: 850;
}

.danger-button {
  border: 1px solid color-mix(in srgb, var(--color-danger) 48%, var(--color-border));
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.save-button {
  min-width: 140px;
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.confirm-dialog {
  width: min(430px, calc(100vw - 32px));
  padding: 26px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-large);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
}

.confirm-dialog::backdrop {
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
}

.confirm-dialog p:not(.brand-kicker) {
  margin: 12px 0 24px;
  color: var(--color-muted);
  line-height: 1.65;
  text-wrap: pretty;
}

.dialog-actions {
  justify-content: flex-end;
}

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 20px;
  min-width: 220px;
  padding: 13px 18px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-panel-strong);
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
  text-align: center;
  transform: translateX(-50%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-height: 720px) and (orientation: landscape) {
  .timer-app {
    grid-template-rows: auto minmax(210px, 1fr) auto auto;
    gap: 8px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .timer {
    font-size: clamp(5rem, 13vw, 8.6rem);
  }

  .blind-block {
    margin-top: 12px;
  }

  .progress-track {
    margin-top: 12px;
  }

  .control-button,
  .primary-control {
    min-height: 60px;
  }
}

@media (orientation: portrait) {
  .timer-app {
    grid-template-rows: auto minmax(300px, 1fr) auto auto;
    gap: 12px;
  }

  .topbar {
    grid-template-columns: 1fr auto;
  }

  .header-status {
    display: none;
  }

  .timer {
    font-size: clamp(5rem, 19vw, 9rem);
  }

}

@media (max-width: 680px) {
  .timer-app {
    padding-inline: 14px;
  }

  .brand-kicker,
  .header-button .button-mark,
  .next-time {
    display: none;
  }

  .brand-block h1 {
    font-size: 1.6rem;
  }

  .header-button {
    padding: 0 10px;
    font-size: 0.75rem;
  }

  .next-panel {
    padding-inline: 14px;
  }

  .controls {
    grid-template-columns: repeat(4, 1fr);
  }

  .primary-control {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .control-button small {
    display: none;
  }

  .settings-section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .stage-fields,
  .stage-fields--break {
    grid-template-columns: 1fr 1fr;
  }
}

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