:root {
  --bg: #0f0f1a;
  --bg-soft: #1a1a2e;
  --bg-card: #232340;
  --text: #e8e8f0;
  --text-dim: #9090a8;
  --accent: #c9a86b;
  --accent-soft: #6b5b9c;
  --danger: #d97070;
  --ok: #70d090;
  --border: #2a2a48;
  --radius: 12px;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; flex-direction: column; }

/* ─── Lock screen ─── */
#lock-screen { align-items: center; justify-content: center; padding: 24px; }
.lock-box {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 32px 24px;
  width: 100%; max-width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  text-align: center;
}
.lock-box h1 { font-size: 36px; margin-bottom: 8px; color: var(--accent); }
.lock-box .hint { color: var(--text-dim); font-size: 14px; margin-bottom: 24px; }
.lock-box input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: var(--radius);
  font-size: 16px;
  margin-bottom: 12px;
}
.lock-box input:focus { outline: 1px solid var(--accent); }
.lock-box button {
  width: 100%; padding: 14px;
  background: var(--accent); color: #1a1a2e;
  border: 0; border-radius: var(--radius);
  font-size: 16px; font-weight: 600;
  cursor: pointer;
}
.lock-box .warn { color: var(--danger); font-size: 14px; margin-top: 12px; }
.lock-box .footnote {
  color: var(--text-dim); font-size: 12px;
  margin-top: 20px; line-height: 1.6;
}

/* ─── App shell ─── */
#app { padding-bottom: 72px; }
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
header > * {
  max-width: 720px;
}
.header-inner {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header #today { font-size: 14px; color: var(--text-dim); }
header #lock-btn {
  background: transparent; border: 0; color: var(--text-dim);
  font-size: 18px; cursor: pointer;
}

main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 20px;
  overflow-y: auto;
}

/* ─── Bottom tabs ─── */
nav#tabs {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 8px 0 calc(8px + env(safe-area-inset-bottom));
  z-index: 20;
}
nav#tabs button {
  flex: 1;
  background: transparent; border: 0;
  color: var(--text-dim);
  font-size: 22px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  cursor: pointer; padding: 4px;
}
nav#tabs button span { font-size: 11px; }
nav#tabs button.active { color: var(--accent); }

/* ─── Generic cards / forms ─── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  border: 1px solid rgba(255,255,255,.04);
}
.card + .card { margin-top: 0; }
.list-row {
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s, padding-left .15s;
  border-radius: 4px;
}
.list-row:hover { background: rgba(201,168,107,.06); padding-left: 10px; }
.list-row:last-child { border-bottom: 0; }
.card h2 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--accent);
  white-space: nowrap;
  letter-spacing: .02em;
}
.card h3 { font-size: 14px; color: var(--text-dim); margin-bottom: 8px; }
.card .row.between h2 { margin-bottom: 0; }

textarea, input[type="text"], input[type="date"] {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  resize: vertical;
  color-scheme: dark; /* makes native date picker dark */
}
textarea:focus, input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }

/* Inline inputs should NOT take full width */
.row input[type="date"], .row input[type="text"] {
  width: auto;
  flex: 1;
  min-width: 0;
}
input[type="date"].compact {
  width: auto;
  flex: 0 0 auto;
  max-width: 180px;
}

button.primary {
  background: var(--accent); color: #1a1a2e;
  border: 0; border-radius: 8px;
  padding: 10px 18px;
  font-weight: 600; cursor: pointer;
}
button.ghost {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 14px; cursor: pointer;
}

.row { display: flex; gap: 8px; align-items: center; }
.row.between { justify-content: space-between; }
.muted { color: var(--text-dim); font-size: 13px; }
.toast {
  position: fixed; bottom: 90px; left: 50%; transform: translateX(-50%);
  background: var(--bg-card); padding: 10px 18px; border-radius: 24px;
  font-size: 14px; opacity: 0; transition: opacity .3s;
  z-index: 100; border: 1px solid var(--border);
}
.toast.show { opacity: 1; }

/* Daily quote — contemplative serif */
.quote-card {
  text-align: center;
  padding: 32px 20px;
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(107,91,156,.12) 100%);
}
.quote-card .lotus { font-size: 36px; color: var(--accent); margin-bottom: 12px; }
.quote-card .quote {
  font-family: "Songti TC", "PingFang TC", "STSong", serif;
  font-size: 18px;
  line-height: 2;
  letter-spacing: .08em;
  color: var(--text);
}

/* Habit toggle pills */
.habit-pill {
  padding: 10px 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: 15px;
  cursor: pointer;
  transition: all .2s;
}
.habit-pill.done {
  background: var(--accent);
  color: #1a1a2e;
  border-color: var(--accent);
}