:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2ea043;
  --accent-dim: #238636;
  --warn: #d29922;
  --danger: #f85149;
  --yellow: #e3b341;
  --radius: 14px;
  --tap: 48px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.app {
  max-width: 520px;
  margin: 0 auto;
}

.header {
  margin-bottom: 20px;
}

.title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.field {
  margin-bottom: 18px;
}

.field:last-of-type {
  margin-bottom: 0;
}

.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.preset-chip {
  min-height: var(--tap);
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.preset-chip:active {
  transform: scale(0.98);
}

.preset-chip.active {
  border-color: var(--accent);
  background: rgba(46, 160, 67, 0.15);
  color: #3fb950;
}

.manual-input {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 12px;
  min-height: var(--tap);
}

.manual-input input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 8px 0;
}

.manual-input input:focus {
  outline: none;
}

.suffix {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}

.segment {
  display: flex;
  gap: 8px;
}

.seg-btn {
  flex: 1;
  min-height: var(--tap);
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.seg-btn[aria-selected="true"] {
  border-color: var(--accent);
  background: rgba(46, 160, 67, 0.2);
  color: #3fb950;
}

.summary-bar {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--surface2);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.summary-bar strong {
  color: var(--text);
}

.entries-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: rgba(46, 160, 67, 0.12);
  color: #3fb950;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.btn-add-icon {
  font-size: 1.2rem;
  line-height: 1;
}

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.entry-row {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 400px) {
  .entry-row {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

.entry-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.period-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.period-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.period-chip {
  min-width: 52px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.period-chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: rgba(46, 160, 67, 0.15);
  color: #3fb950;
}

.countdown-wrap label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.countdown-wrap input {
  width: 100%;
  min-height: var(--tap);
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 600;
}

.countdown-wrap input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.result-block {
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--bg);
  border: 1px dashed var(--border);
  min-height: 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.result-main {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.result-main .sep {
  color: var(--muted);
  font-weight: 600;
  margin: 0 4px;
}

.result-sub {
  font-size: 0.8rem;
  color: var(--muted);
}

.result-block.warn {
  border-color: var(--warn);
}

.result-block.warn .result-main {
  color: var(--warn);
}

.event-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.event-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.event-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 56px;
  padding: 8px 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  line-height: 1.2;
  -webkit-tap-highlight-color: transparent;
}

.event-btn .icon {
  width: 22px;
  height: 22px;
}

.event-btn .icon-emoji {
  font-size: 20px;
  line-height: 1;
}

.event-btn[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(46, 160, 67, 0.12);
}

.event-btn[data-kind="goal"][aria-pressed="true"] {
  border-color: #58a6ff;
  background: rgba(88, 166, 255, 0.12);
}

.event-btn[data-kind="yellow"][aria-pressed="true"] {
  border-color: var(--yellow);
  background: rgba(227, 179, 65, 0.12);
}

.event-btn[data-kind="red"][aria-pressed="true"] {
  border-color: var(--danger);
  background: rgba(248, 81, 73, 0.12);
}

.row-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
}

.btn-remove {
  min-height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-remove:active {
  color: var(--danger);
  border-color: var(--danger);
}

.footer {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.55;
  padding: 8px 0 0;
}

.footer em {
  font-style: normal;
  font-weight: 600;
  color: #7d8590;
}

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