:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #14141f;
  --bg-tertiary: #1e1e2e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #00d4ff;
  --accent-secondary: #00ff88;
  --danger: #ff4466;
  --warn: #ffaa33;
  --focus-ring: #00d4ff;
  --focus-glow: rgba(0, 212, 255, 0.4);
  --radius-md: 12px;
  --radius-sm: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  width: 600px; height: 600px; overflow: hidden;
  background: #000;
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
#app { width: 100%; height: 100%; position: relative; }
.screen { width: 100%; height: 100%; position: absolute; top: 0; left: 0; display: flex; flex-direction: column; }
.screen.hidden { display: none; }
.focusable {
  transition: all 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
  outline: none;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
}
.focusable:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 20px var(--focus-glow);
  background: var(--bg-tertiary);
}
.hidden { display: none !important; }

/* Header */
.hdr {
  display: flex;
  align-items: center;
  padding: 18px 24px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--bg-tertiary);
  min-height: 64px;
  gap: 16px;
}
.hdr-title {
  flex: 1;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-primary);
  text-align: left;
}
.hdr-clock {
  font-size: 16px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.hdr-back {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 26px;
  border: 2px solid transparent;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}
.hdr-back:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 20px var(--focus-glow);
}
.hdr-spacer { width: 44px; }

/* List */
.list {
  flex: 1;
  overflow: hidden;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.event-row {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  min-height: 76px;
  gap: 16px;
  width: 100%;
  text-align: left;
}
.event-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.event-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.event-date {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}
.event-count {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
.event-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.event-num.soon { color: var(--warn); }
.event-num.now { color: var(--danger); }
.event-num.past { color: var(--text-muted); }
.event-unit {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  font-weight: 600;
}

.empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-secondary);
}
.empty-icon {
  font-size: 64px;
  color: var(--text-muted);
}
.empty-msg {
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

/* Footer */
.foot {
  padding: 16px 20px;
  background: var(--bg-primary);
  border-top: 1px solid var(--bg-tertiary);
  display: flex;
}
.foot-row { gap: 12px; }
.foot-btn {
  flex: 1;
  height: 56px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border: 2px solid transparent;
}
.foot-btn-primary {
  flex: 1;
  height: 56px;
  background: var(--accent);
  color: #000;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border: 2px solid transparent;
}
.foot-btn-primary:focus {
  box-shadow: 0 0 24px var(--focus-glow);
  border-color: #fff;
}
.foot-btn-secondary {
  flex: 1;
  height: 56px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1.2px;
  border: 2px solid transparent;
}
.foot-btn-danger {
  flex: 1;
  height: 56px;
  background: rgba(255, 68, 102, 0.15);
  color: var(--danger);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1.2px;
  border: 2px solid transparent;
}
.foot-btn-danger:focus {
  border-color: var(--danger);
  box-shadow: 0 0 20px rgba(255, 68, 102, 0.5);
  background: rgba(255, 68, 102, 0.25);
}

/* Detail */
.detail-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  gap: 8px;
}
.detail-date {
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 2px;
  font-weight: 500;
}
.detail-big {
  font-size: 140px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  margin: 4px 0;
}
.detail-big.soon { color: var(--warn); }
.detail-big.now { color: var(--danger); }
.detail-big.past { color: var(--text-muted); }
.detail-unit {
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: 6px;
  font-weight: 700;
}
.detail-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 12px;
  letter-spacing: 1px;
}

/* Add screen */
.add-body {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field-label {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: center;
}
.field-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 8px;
}
.picker-btn {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  font-size: 22px;
  font-weight: 700;
  border: 2px solid transparent;
  color: var(--text-primary);
}
.picker-val {
  flex: 1;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.picker-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 8px;
  gap: 6px;
}
.picker-up {
  width: 100%;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  font-size: 14px;
  color: var(--text-secondary);
  border: 2px solid transparent;
}
.picker-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  padding: 4px 0;
}
.preview {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  font-weight: 500;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}
.preview.invalid { color: var(--danger); }

/* Confirm */
.confirm-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  gap: 16px;
}
.confirm-msg {
  font-size: 20px;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.confirm-name {
  font-size: 24px;
  color: var(--danger);
  font-weight: 700;
  letter-spacing: 1px;
  padding: 12px 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}