:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #12151a;
  --panel-2: #171b21;
  --line: rgba(255,255,255,.08);
  --text: #f7f8fa;
  --muted: #8f97a3;
  --accent: #d7ff64;
  --danger: #ff8a8a;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { min-height: 100svh; overscroll-behavior-y: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.app-shell { min-height: 100svh; max-width: 560px; margin: 0 auto; position: relative; padding-bottom: calc(96px + var(--safe-bottom)); }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: calc(18px + var(--safe-top)) 20px 12px; position: sticky; top: 0; z-index: 5; background: linear-gradient(to bottom, rgba(11,13,16,.98) 75%, rgba(11,13,16,0)); backdrop-filter: blur(18px); }
.topbar h1 { margin: 2px 0 0; font-size: 30px; letter-spacing: -.04em; }
.eyebrow { margin: 0; font-size: 10px; letter-spacing: .16em; font-weight: 800; color: var(--muted); }
.icon-button, .close-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: var(--panel); font-size: 24px; display: grid; place-items: center; }
.close-button { font-size: 28px; line-height: 1; }
.content { padding: 10px 18px 32px; }

.hero { padding: 22px 4px 12px; }
.hero-kicker { color: var(--muted); font-size: 14px; margin: 0 0 8px; }
.hero h2 { font-size: clamp(34px, 10vw, 48px); line-height: .98; letter-spacing: -.055em; margin: 0; max-width: 10ch; }
.hero p { color: var(--muted); font-size: 15px; line-height: 1.55; max-width: 34ch; }

.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0 26px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 20px; padding: 14px; min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; }
.stat strong { font-size: 30px; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: 12px; line-height: 1.25; }
.stat.alert strong { color: var(--accent); }

.section-head { display: flex; align-items: end; justify-content: space-between; margin: 24px 2px 12px; }
.section-head h3 { margin: 0; font-size: 19px; letter-spacing: -.02em; }
.section-head span { color: var(--muted); font-size: 12px; }
.stack { display: grid; gap: 10px; }
.card { border: 1px solid var(--line); background: var(--panel); border-radius: 20px; padding: 16px; }
.card-row { display: flex; gap: 14px; align-items: flex-start; }
.avatar { width: 44px; height: 44px; flex: 0 0 44px; border-radius: 15px; display: grid; place-items: center; background: var(--panel-2); font-weight: 800; font-size: 15px; border: 1px solid var(--line); }
.card h4 { margin: 0 0 4px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); line-height: 1.45; font-size: 13px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.pill { display: inline-flex; align-items: center; min-height: 26px; border-radius: 999px; padding: 5px 9px; background: var(--panel-2); color: var(--muted); font-size: 11px; border: 1px solid var(--line); }
.pill.accent { color: var(--accent); }

.empty { text-align: center; padding: 34px 20px; color: var(--muted); border: 1px dashed var(--line); border-radius: 22px; }
.empty strong { display: block; color: var(--text); margin-bottom: 6px; }

.bottom-nav { position: fixed; left: 50%; bottom: 0; transform: translateX(-50%); width: min(100%,560px); height: calc(76px + var(--safe-bottom)); padding: 8px 12px var(--safe-bottom); display: grid; grid-template-columns: 1fr 1fr 72px 1fr 1fr; align-items: start; background: rgba(15,18,22,.94); border-top: 1px solid var(--line); backdrop-filter: blur(22px); z-index: 20; }
.nav-item { border: 0; background: transparent; color: var(--muted); display: grid; gap: 2px; justify-items: center; padding: 7px 2px; }
.nav-item span { font-size: 20px; }
.nav-item small { font-size: 10px; }
.nav-item.is-active { color: var(--text); }
.capture-nav { width: 60px; height: 60px; margin: -20px auto 0; border: 0; border-radius: 21px; background: var(--accent); color: #0b0d10; font-size: 34px; box-shadow: 0 12px 32px rgba(0,0,0,.35); }

.sheet { width: min(100% - 16px, 544px); max-height: 88svh; border: 1px solid var(--line); border-radius: 28px 28px 0 0; background: #111419; color: var(--text); padding: 10px 18px calc(22px + var(--safe-bottom)); margin: auto auto 0; overflow: auto; }
.sheet::backdrop { background: rgba(0,0,0,.62); backdrop-filter: blur(8px); }
.sheet-handle { width: 40px; height: 5px; background: rgba(255,255,255,.18); border-radius: 99px; margin: 2px auto 14px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.sheet h2 { margin: 2px 0 0; letter-spacing: -.03em; }
label { display: grid; gap: 8px; margin: 15px 0; color: #d6dae0; font-size: 13px; font-weight: 650; }
input, textarea { width: 100%; border: 1px solid var(--line); background: #0c0f13; color: var(--text); border-radius: 16px; padding: 14px; outline: none; resize: vertical; }
input:focus, textarea:focus { border-color: rgba(215,255,100,.55); box-shadow: 0 0 0 3px rgba(215,255,100,.07); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.primary-button { width: 100%; border: 0; border-radius: 18px; min-height: 54px; background: var(--accent); color: #0b0d10; font-weight: 850; margin-top: 8px; }
.privacy-note { text-align: center; color: var(--muted); font-size: 11px; }
.search-input { margin-bottom: 14px; font-size: 16px; }

.list-title { margin: 18px 2px 12px; font-size: 28px; letter-spacing: -.04em; }
.person-grid { display: grid; gap: 10px; }
.person-card { display: flex; align-items: center; gap: 13px; }
.person-card .grow { flex: 1; }
.person-card .count { color: var(--muted); font-size: 12px; }

.promise-card.is-overdue { border-color: rgba(255,138,138,.24); }
.promise-card.is-overdue .pill { color: var(--danger); }

@media (max-width: 380px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats .stat:last-child { grid-column: 1 / -1; min-height: 92px; }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
}