:root {
  --bg: #f3f7fd;
  --surface: #ffffff;
  --muted: #e9f0fb;
  --line: #d3e1f2;
  --primary: #0a66d8;
  --on-primary: #ffffff;
  --primary-muted: #e6f0fe;
  --accent: #0e96dc;
  --text: #0c2033;
  --text-2: #4f6c8b;
  --text-3: #5f7289;
  --water: #45c4fd;
  --water-deep: #0d82fd;
  --positive: #0a7658;
  --spark: #d4508a;
  --r: 20px;
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #060e17;
    --surface: #0c1826;
    --muted: #16293a;
    --line: #22384d;
    --primary: #56aeff;
    --on-primary: #03203c;
    --primary-muted: #1a3d66;
    --accent: #63d0ff;
    --text: #e8f1fb;
    --text-2: #9db4cc;
    --text-3: #708aa6;
    --water: #35a8f2;
    --water-deep: #1370d6;
    --positive: #3fc79c;
    --spark: #ffa8c9;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); }

.stage {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.phone {
  width: min(420px, 100%);
  height: min(860px, 100dvh);
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  position: relative;
}

@media (max-width: 520px) {
  .stage { padding: 0; }
  .phone { width: 100%; height: 100dvh; border: 0; border-radius: 0; }
}

.top { padding: 20px 20px 8px; }
.kicker { margin: 0; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.kicker:empty { display: none; }
h1 { margin: 2px 0 0; font-size: 32px; letter-spacing: -0.03em; }
.sub { margin: 4px 0 0; color: var(--text-2); }

.screen { flex: 1; overflow: auto; padding: 8px 20px 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 12px;
}

.vessel { display: grid; place-items: center; padding: 8px 0 16px; }
.ring {
  width: 196px; height: 196px; border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(var(--water-deep) var(--p), var(--muted) 0);
}
.ring span {
  width: 156px; height: 156px; border-radius: 50%;
  background: var(--bg);
  display: grid; place-items: center; text-align: center;
}
.ring strong { font-size: 36px; letter-spacing: -0.03em; }
.ring small { display: block; color: var(--text-2); }

.row { display: flex; gap: 8px; }
.chip, .primary, .ghost, .tabs button, .stepper button {
  font: inherit; border-radius: 12px; cursor: pointer;
}
.chip {
  flex: 1; min-height: 48px; border: 1px solid var(--line);
  background: var(--primary-muted); color: var(--primary); font-weight: 650;
}
.ghost {
  width: 100%; min-height: 48px; margin-top: 8px;
  border: 1px solid var(--line); background: transparent; color: var(--primary); font-weight: 650;
}
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.metrics strong { display: block; font-size: 20px; }
.metrics span { color: var(--text-3); font-size: 13px; }
.moods { display: flex; gap: 8px; flex-wrap: wrap; }
.moods button, .types button {
  border: 1px solid var(--line); background: transparent; color: var(--text);
  border-radius: 999px; padding: 8px 12px; font: inherit;
}
.moods button[aria-pressed="true"], .types button[aria-pressed="true"] {
  background: var(--primary-muted); color: var(--primary); border-color: var(--primary);
}
.log { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.log:first-child { border-top: 0; }
.log span { color: var(--text-2); font-size: 14px; }
.empty { color: var(--text-2); text-align: center; padding: 12px 8px 4px; }

.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; text-align: center; }
.cal .dow { color: var(--text-3); font-size: 12px; }
.day {
  aspect-ratio: 1; border: 0; border-radius: 10px; background: var(--muted); color: var(--text);
  font: inherit;
}
.day[data-band="1"] { background: color-mix(in srgb, var(--primary) 28%, var(--surface)); }
.day[data-band="2"] { background: color-mix(in srgb, var(--primary) 52%, var(--surface)); }
.day[data-band="3"] { background: var(--primary); color: var(--on-primary); }
.day[hidden] { visibility: hidden; }

.bars { display: flex; align-items: flex-end; gap: 8px; height: 160px; }
.bars div { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bars i {
  display: block; width: 100%; border-radius: 8px 8px 4px 4px;
  background: linear-gradient(var(--accent), var(--primary)); min-height: 4px;
}
.bars span { color: var(--text-3); font-size: 12px; font-style: normal; }
.stat { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--line); }
.stat span { color: var(--text-2); }

.linkrow {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0; border-top: 1px solid var(--line); color: inherit; text-decoration: none;
}
.linkrow:first-child { border-top: 0; }
.danger { color: #b42318; background: none; border: 0; font: inherit; padding: 14px 0; cursor: pointer; }

.tabs {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); background: var(--surface);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button {
  border: 0; background: transparent; color: var(--text-3);
  min-height: 64px; display: grid; place-items: center; gap: 2px; font-size: 12px;
}
.tabs svg { width: 22px; height: 22px; }
.tabs button[aria-current="page"] { color: var(--primary); font-weight: 700; }

.snack {
  position: absolute; left: 16px; right: 16px; bottom: 80px;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--text); color: var(--bg); border-radius: 14px; padding: 12px 14px;
}
.snack button { background: none; border: 0; color: var(--water); font: inherit; font-weight: 700; cursor: pointer; }

.sheet { border: 0; padding: 0; background: transparent; width: min(420px, 100%); margin: auto auto 0; }
.sheet::backdrop { background: rgb(12 32 51 / 0.4); }
.sheet form {
  background: var(--surface); color: var(--text);
  border-radius: 24px 24px 0 0; padding: 12px 20px 24px;
}
.handle { width: 36px; height: 4px; border-radius: 99px; background: var(--line); margin: 4px auto 12px; }
.sheet h2 { margin: 0 0 8px; }
.sheet-amount { font-size: 40px; font-weight: 750; letter-spacing: -0.03em; margin: 0; text-align: center; }
.stepper { display: flex; justify-content: center; gap: 16px; margin: 8px 0 16px; }
.stepper button {
  width: 48px; height: 48px; border: 1px solid var(--line); background: var(--muted); color: var(--text); font-size: 24px;
}
.chips, .types { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.primary {
  width: 100%; min-height: 52px; border: 0; background: var(--primary); color: var(--on-primary); font-weight: 700;
}