:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface-2: #1a1a26;
  --surface-3: #22223a;
  --border: rgba(255,255,255,0.07);

  --event-meeting: #6fd3ff;
  --event-task: #c89dff;
  --event-personal: #ffcf6b;
  --event-busy: #ff7ac0;
  --event-break: #ff9a5a;

  --accent: #6fd3ff;
  --accent-glow: rgba(111,211,255,0.15);
  --warm: #ff9a5a;
  --warn: #ff6b7a;
  --success: #9ff7c2;
  --muted: rgba(255,255,255,0.35);
  --text: rgba(255,255,255,0.88);
  --text-dim: rgba(255,255,255,0.5);

  --radius: 10px;
  --radius-sm: 6px;
  --transition: 180ms ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
  width: 600px;
  height: 600px;
  overflow: hidden;
  user-select: none;
}

#app {
  width: 600px;
  height: 600px;
  position: relative;
  overflow: hidden;
}

#ambient-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 600px; height: 600px;
  z-index: 0;
  pointer-events: none;
}

.screen {
  position: absolute;
  top: 0; left: 0;
  width: 600px; height: 600px;
  display: flex;
  flex-direction: column;
  z-index: 1;
}
.screen.hidden { display: none; }

.focusable { outline: none; cursor: default; }
.focusable:focus,
.focusable.focused {
  box-shadow: 0 0 0 1.5px var(--accent), 0 0 14px var(--accent-glow);
}

/* ── AMBIENT ── */
#screen-ambient { background: transparent; }

.ambient-zones {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.zone {
  position: absolute;
  width: 145px;
  padding: 14px 16px;
  background: rgba(10,10,20,0.76);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  pointer-events: all;
  transition: background var(--transition), box-shadow var(--transition);
}
.zone:focus, .zone.focused {
  background: rgba(18,18,30,0.92);
  box-shadow: 0 0 0 1.5px var(--accent), 0 0 20px var(--accent-glow);
}

.zone-tl { top: 16px; left: 16px; }
.zone-tr { top: 16px; right: 16px; text-align: right; }
.zone-bl { bottom: 68px; left: 16px; }
.zone-br { bottom: 68px; right: 16px; text-align: right; }

.zone-label {
  font-size: 9px;
  letter-spacing: 0.13em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.zone-value {
  font-size: 30px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.zone-tr .zone-value,
.zone-br .zone-value { color: var(--event-personal); }
.zone-sub {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zone.shimmer .zone-value {
  animation: shimmer-pulse 1.4s ease-in-out infinite;
}
@keyframes shimmer-pulse {
  0%, 100% { opacity: 1; text-shadow: 0 0 14px var(--warm); color: var(--warm); }
  50%       { opacity: 0.55; text-shadow: none; color: var(--event-personal); }
}

.ambient-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  z-index: 2;
}

.ambient-time {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  text-shadow: 0 0 50px rgba(111,211,255,0.18);
}
.ambient-date {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.ambient-now-card {
  margin-top: 14px;
  background: rgba(18,18,26,0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 20px;
  text-align: center;
  min-width: 230px;
  backdrop-filter: blur(10px);
  transition: background var(--transition), box-shadow var(--transition);
}
.ambient-now-card:focus,
.ambient-now-card.focused {
  background: var(--surface-2);
  box-shadow: 0 0 0 1.5px var(--accent), 0 0 20px var(--accent-glow);
}

.now-label {
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.now-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.now-time {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ── HEADER ── */
.header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.back-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 13px;
  padding: 4px 10px;
  cursor: default;
  transition: all var(--transition);
}
.back-btn:focus, .back-btn.focused {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.header-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  flex: 1;
}
.header-meta {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* ── FILTER BAR ── */
.filter-bar {
  display: flex;
  gap: 8px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.filter-chip {
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: default;
  transition: all var(--transition);
}
.filter-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.filter-chip:focus, .filter-chip.focused {
  box-shadow: 0 0 0 1.5px var(--accent), 0 0 8px var(--accent-glow);
}

/* ── EVENT LIST ── */
.event-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}
.event-list::-webkit-scrollbar { width: 3px; }
.event-list::-webkit-scrollbar-track { background: transparent; }
.event-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.event-item {
  display: flex;
  align-items: stretch;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: default;
  transition: background var(--transition);
}
.event-item:focus, .event-item.focused {
  background: var(--surface-2);
  box-shadow: inset 3px 0 0 var(--accent);
  outline: none;
}
.event-item.past { opacity: 0.42; }

.event-type-bar {
  width: 3px;
  border-radius: 2px;
  flex-shrink: 0;
  align-self: stretch;
}
.event-time-col {
  width: 52px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.event-start { font-size: 12px; color: var(--text); font-weight: 600; }
.event-end   { font-size: 10px; color: var(--text-dim); }
.event-info  { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.event-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.event-meta {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-badge {
  flex-shrink: 0;
  align-self: center;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid;
}
.badge-now {
  color: var(--warm);
  border-color: var(--warm);
  background: rgba(255,154,90,0.12);
  animation: badge-pulse 2s ease-in-out infinite;
}
.badge-soon {
  color: var(--event-personal);
  border-color: var(--event-personal);
  background: rgba(255,207,107,0.1);
}
.badge-done { color: var(--muted); border-color: var(--border); }

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

.time-separator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.time-separator-line { flex: 1; height: 1px; background: var(--border); }

/* ── DETAIL ── */
.detail-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.detail-time-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.detail-time {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.detail-duration { font-size: 12px; color: var(--text-dim); }
.detail-title { font-size: 20px; font-weight: 700; color: var(--text); line-height: 1.2; }
.detail-location { font-size: 12px; color: var(--text-dim); }
.detail-countdown { font-size: 12px; color: var(--warm); letter-spacing: 0.05em; }

.heat-bar-container { display: flex; flex-direction: column; gap: 5px; }
.heat-bar-label {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.heat-bar-track {
  height: 4px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}
.heat-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success), var(--warn));
  border-radius: 2px;
  transition: width 600ms ease;
}

.detail-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-pill {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--surface-2);
}
.detail-description { font-size: 12px; color: var(--text-dim); line-height: 1.6; }
.detail-attendees {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.attendee-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--muted);
}
.attendee-more { font-size: 10px; color: var(--text-dim); }

/* ── WEEK ── */
.week-grid {
  padding: 14px 16px 10px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  flex-shrink: 0;
}
.week-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  cursor: default;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.week-day:focus, .week-day.focused {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 10px var(--accent-glow);
}
.week-day.today   { background: var(--surface-2); border-color: rgba(111,211,255,0.3); }
.week-day.selected { background: var(--surface-3); border-color: var(--accent); box-shadow: 0 0 14px var(--accent-glow); }

.week-day-name { font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.week-day-num  { font-size: 16px; font-weight: 700; color: var(--text); }
.week-day.today .week-day-num { color: var(--accent); }
.week-dots { display: flex; gap: 2px; flex-wrap: wrap; justify-content: center; min-height: 8px; }
.week-dot  { width: 5px; height: 5px; border-radius: 50%; }

.week-day-preview { flex: 1; overflow-y: auto; border-top: 1px solid var(--border); }
.week-preview-header {
  padding: 10px 16px 6px;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── NAV BAR ── */
.nav-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.nav-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 14px;
  cursor: default;
  transition: all var(--transition);
}
.nav-btn:focus, .nav-btn.focused {
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}
.nav-btn-primary {
  color: var(--accent);
  border-color: rgba(111,211,255,0.3);
  background: var(--accent-glow);
}
.nav-btn-primary:focus, .nav-btn-primary.focused {
  background: rgba(111,211,255,0.22);
  box-shadow: 0 0 12px var(--accent-glow);
}
.nav-status {
  flex: 1;
  text-align: center;
  font-size: 10px;
  color: var(--muted);
}