/* ---------- Theme ---------- */
:root {
  --bg: #0e0b16;
  --bg-soft: #1a1428;
  --bg-card: #1f1830;
  --fg: #f5f1ff;
  --fg-dim: #b3a9c9;
  --border: #2c2240;
  --accent: #d8b4fe;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.4);

  --c-pink:   #ff6fa3;   /* I miss you */
  --c-blue:   #4cb8ff;   /* Available */
  --c-yellow: #ffd84a;   /* Busy */
  --c-orange: #ff8a3d;   /* High intensity busy */
  --c-red:    #ff4d4d;   /* Emergencies only */
  --c-purple: #b07cff;   /* Personal study / meditation */
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: radial-gradient(ellipse at top, #1b1430 0%, var(--bg) 60%) no-repeat fixed;
  color: var(--fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
  overscroll-behavior-y: none;
}
body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

button { font-family: inherit; touch-action: manipulation; }
.hidden { display: none !important; }

/* ---------- Profile picker (first launch) ---------- */
.screen { min-height: 100dvh; display: flex; flex-direction: column; }
.picker-wrap {
  margin: auto;
  padding: 32px 24px;
  text-align: center;
  max-width: 480px;
}
.picker-title { font-size: 28px; font-weight: 700; margin: 0 0 8px; }
.picker-sub { color: var(--fg-dim); margin: 0 0 32px; }
.picker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.picker-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 18px;
  padding: 24px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s ease;
  min-height: 140px;
}
.picker-card:active { transform: scale(0.97); }
.picker-card:hover { border-color: var(--accent); }
.picker-emoji {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-pink), var(--c-purple));
  color: white;
  font-weight: 700; font-size: 24px;
  display: grid; place-items: center;
  box-shadow: var(--shadow);
}
.picker-name { font-weight: 600; font-size: 18px; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px 8px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--c-pink);
  box-shadow: 0 0 12px var(--c-pink);
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.6; }
}
.brand-name { font-weight: 600; letter-spacing: 0.3px; }
.icon-btn {
  background: transparent; border: 0; color: var(--fg-dim);
  font-size: 22px; padding: 8px 12px; cursor: pointer;
  min-width: 44px; min-height: 44px;
}
.icon-btn:active { color: var(--fg); }

/* ---------- Light cards ---------- */
.lights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 8px 16px 4px;
}
.light-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px 14px 18px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  position: relative;
  overflow: hidden;
}
.light-header {
  width: 100%;
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px;
}
.light-name { font-weight: 600; font-size: 15px; }
.light-time { color: var(--fg-dim); font-size: 11px; }
.light-orb {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
.light-orb.lit {
  box-shadow:
    0 0 28px var(--orb-color),
    0 0 60px var(--orb-color),
    inset 0 0 18px rgba(255, 255, 255, 0.25);
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.5), var(--orb-color) 60%);
}
.light-label {
  font-size: 13px; font-weight: 500;
  color: var(--fg-dim);
  text-align: center;
  min-height: 1.2em;
}

/* ---------- Color picker ---------- */
.picker {
  padding: 18px 16px 8px;
}
.picker-heading {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-dim);
  text-align: center;
}
#me-label { color: var(--accent); font-weight: 600; }
.color-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.color-btn {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 14px 8px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  cursor: pointer;
  color: var(--fg);
  min-height: 88px;
  transition: transform 0.1s ease, border-color 0.2s ease, background 0.2s ease;
}
.color-btn:active { transform: scale(0.95); }
.color-btn.selected {
  border-color: var(--btn-color);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
}
.color-swatch {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--btn-color);
  box-shadow: 0 0 16px var(--btn-color);
}
.color-name {
  font-size: 12px;
  font-weight: 500;
  text-align: center;
  line-height: 1.25;
}

/* ---------- Timeline ---------- */
.timeline { padding: 18px 16px 32px; }
.timeline-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.timeline-head h2 {
  font-size: 14px; font-weight: 600;
  color: var(--fg-dim);
  margin: 0; letter-spacing: 0.4px; text-transform: uppercase;
}
.text-btn {
  background: transparent; border: 0;
  color: var(--fg-dim);
  cursor: pointer; padding: 8px 10px;
  min-width: 44px; min-height: 44px;
  font-size: 18px;
}
.timeline-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.timeline-empty {
  color: var(--fg-dim);
  font-size: 13px;
  text-align: center;
  padding: 20px 0;
  font-style: italic;
}
.timeline-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--dot-color);
  background: var(--dot-color);
}
.timeline-text {
  flex: 1;
  font-size: 13px;
  line-height: 1.35;
}
.timeline-text strong { color: var(--fg); }
.timeline-text span { color: var(--fg-dim); }
.timeline-time {
  font-size: 11px;
  color: var(--fg-dim);
  flex-shrink: 0;
}

/* ---------- Status banner ---------- */
.status-banner {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom));
  left: 50%; transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow);
  z-index: 50;
}
.status-banner.error { border-color: var(--c-red); color: var(--c-red); }
.status-banner.warn  { border-color: var(--c-yellow); }
.status-banner.ok    { border-color: var(--c-blue); }

/* ---------- Settings dialog ---------- */
.settings {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--bg-card);
  color: var(--fg);
  padding: 0;
  max-width: 360px;
  width: calc(100% - 32px);
}
.settings::backdrop { background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.settings-form { padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 12px; }
.settings-form h2 { margin: 0 0 4px; font-size: 18px; }
.settings-meta { color: var(--fg-dim); font-size: 12px; margin: 4px 0 0; text-align: center; }
.btn {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 500;
  cursor: pointer;
  min-height: 44px;
}
.btn:active { transform: scale(0.97); }
.btn-danger { color: var(--c-red); border-color: var(--c-red); }
.btn-ghost { background: transparent; }

/* ---------- Tablet/desktop ---------- */
@media (min-width: 640px) {
  body { max-width: 520px; margin: 0 auto; }
  .color-grid { grid-template-columns: repeat(6, 1fr); }
  .light-orb { width: 112px; height: 112px; }
}