:root {
  --surface-1: #f4f5f7;
  --surface-2: #ffffff;
  --border: #e4e6ea;
  --border-strong: #cfd3da;
  --text-primary: #1a1d23;
  --text-secondary: #666b76;
  --text-muted: #9aa0aa;
  --accent: #2f6fed;
  --accent-contrast: #ffffff;
  --success-bg: #e3f6e9; --success-fg: #1f8a4c;
  --warning-bg: #fff2e0; --warning-fg: #b5690a;
  --danger-bg: #fdeaea; --danger-fg: #c0392b;
  --violet-bg: #ece6fb; --violet-fg: #6c3fd1;
  --aqua-bg: #e1f4f7; --aqua-fg: #1489a3;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); background: var(--surface-1);
  color: var(--text-primary); -webkit-tap-highlight-color: transparent;
}
#app { max-width: 480px; margin: 0 auto; min-height: 100vh; background: var(--surface-2); display: flex; flex-direction: column; }

input, select, textarea, button {
  font-family: var(--font); font-size: 14px; border-radius: var(--radius);
  border: 1px solid var(--border-strong); padding: 9px 12px; background: #fff; color: var(--text-primary);
}
button { cursor: pointer; background: var(--surface-1); }
button.primary { background: var(--accent); color: var(--accent-contrast); border: none; font-weight: 600; }
button.text-link { border: none; background: none; color: var(--accent); padding: 6px 0; }
button.danger { color: var(--danger-fg); border-color: var(--danger-bg); }
.full { width: 100%; }

.topbar {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px;
  border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface-2); z-index: 5;
}
.topbar h1 { font-size: 16px; font-weight: 600; margin: 0; flex: 1; }
.topbar .back { cursor: pointer; font-size: 18px; }

.content { padding: 12px 16px 90px; flex: 1; overflow-y: auto; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 10px; }
.chip {
  border: 1px solid var(--border-strong); color: var(--text-secondary); font-size: 12px;
  padding: 5px 12px; border-radius: 999px; white-space: nowrap; cursor: pointer; background: #fff;
}
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.card {
  background: var(--surface-1); border-radius: var(--radius); padding: 12px; margin-bottom: 8px;
}
.card-title { font-size: 13px; font-weight: 600; margin: 0 0 2px; }
.card-sub { font-size: 12px; color: var(--text-secondary); margin: 0; }
.card-row { display: flex; justify-content: space-between; align-items: flex-start; }

.badge { font-size: 11px; padding: 3px 8px; border-radius: 6px; white-space: nowrap; }
.badge.gray { background: var(--surface-1); color: var(--text-secondary); border: 1px solid var(--border-strong); }
.badge.violet { background: var(--violet-bg); color: var(--violet-fg); }
.badge.aqua { background: var(--aqua-bg); color: var(--aqua-fg); }
.badge.warning { background: var(--warning-bg); color: var(--warning-fg); }
.badge.success { background: var(--success-bg); color: var(--success-fg); }
.badge.danger { background: var(--danger-bg); color: var(--danger-fg); }

label { font-size: 12px; color: var(--text-secondary); display: block; margin: 10px 0 4px; }
label:first-child { margin-top: 0; }

.bottomnav {
  display: flex; justify-content: space-around; padding: 10px 0; border-top: 1px solid var(--border);
  position: sticky; bottom: 0; background: var(--surface-2);
}
.navitem { text-align: center; color: var(--text-secondary); cursor: pointer; font-size: 10px; }
.navitem.active { color: var(--accent); }
.navitem .icon { font-size: 20px; display: block; }

.fab-btn { padding: 6px 14px; font-size: 13px; }

.msg { margin-bottom: 10px; max-width: 85%; }
.msg .meta { font-size: 11px; color: var(--text-secondary); margin: 0 0 4px; }
.msg .bubble { background: var(--surface-1); border-radius: var(--radius); padding: 8px 12px; font-size: 13px; display: inline-block; }
.msg.own { margin-left: auto; text-align: right; }
.msg.own .bubble { background: var(--accent); color: #fff; text-align: left; }

.tabbar { display: flex; gap: 4px; margin-bottom: 10px; border-bottom: 1px solid var(--border); }
.tabbar div { flex: 1; text-align: center; font-size: 12px; padding: 8px 0; color: var(--text-secondary); cursor: pointer; }
.tabbar div.active { font-weight: 600; color: var(--text-primary); border-bottom: 2px solid var(--text-primary); }

.pin-dots { display: flex; gap: 10px; justify-content: center; margin: 16px 0; }
.pin-dot { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--border-strong); }
.pin-dot.filled { background: var(--text-primary); border-color: var(--text-primary); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 220px; margin: 0 auto; }
.pin-pad button { padding: 14px 0; font-size: 16px; }

.avatar {
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; background: var(--violet-bg); color: var(--violet-fg); flex-shrink: 0;
}
.row { display: flex; align-items: center; gap: 12px; padding: 10px 4px; border-top: 1px solid var(--border); }
.row:first-child { border-top: none; }

.error-box { background: var(--danger-bg); color: var(--danger-fg); padding: 8px 12px; border-radius: var(--radius); font-size: 13px; margin-bottom: 10px; }

.pos-block { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; margin-bottom: 10px; }
.subtask-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.check { width: 16px; height: 16px; border-radius: 4px; border: 1.5px solid var(--border-strong); flex-shrink: 0; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.check.done { background: var(--success-fg); border-color: var(--success-fg); color: #fff; font-size: 11px; }

.toggle { width: 32px; height: 18px; border-radius: 999px; border: 1.5px solid var(--border-strong); position: relative; display: inline-block; cursor: pointer; flex-shrink: 0; }
.toggle.on { background: var(--accent); border-color: var(--accent); }
.toggle .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--text-muted); position: absolute; top: 1.5px; left: 2px; transition: left .1s; }
.toggle.on .dot { background: #fff; left: 16px; }