:root {
  --bg: #0b1220;
  --card: #131c2e;
  --card2: #1b2740;
  --text: #e8edf5;
  --muted: #93a2bd;
  --accent: #14b8a6;
  --accent2: #0f766e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --line: #253150;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(72px + var(--safe-b));
  -webkit-text-size-adjust: 100%;
}
h1 { font-size: 1.25rem; margin: 0; }
h2 { font-size: 1.02rem; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px;
  background: linear-gradient(180deg, var(--accent2), transparent);
  position: sticky; top: 0; z-index: 5;
}
.icon-btn { background: none; border: none; color: var(--text); font-size: 1.3rem; cursor: pointer; }
.disclaimer {
  background: #3a2a0a; color: #ffe6b0; font-size: .8rem;
  padding: 8px 16px; border-bottom: 1px solid #5a410f;
}
main { padding: 14px; max-width: 640px; margin: 0 auto; }

.tab { display: none; }
.tab.active { display: block; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px; margin-bottom: 14px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; }
.link-btn { background: none; border: none; color: var(--accent); font-size: .9rem; cursor: pointer; }

label { display: block; font-size: .85rem; color: var(--muted); margin: 8px 0; }
input, select {
  width: 100%; margin-top: 4px; padding: 11px 12px;
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); font-size: 1rem;
}
input[type=checkbox] { width: auto; margin: 0 8px 0 0; transform: scale(1.2); }
.checkline { display: flex; align-items: center; color: var(--text); font-size: .95rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

button.primary {
  width: 100%; margin-top: 12px; padding: 13px; border: none; border-radius: 12px;
  background: var(--accent); color: #06231f; font-weight: 700; font-size: 1rem; cursor: pointer;
}
.saved-msg { color: var(--accent); text-align: center; margin: 8px 0 0; }
.setdiv { border: none; border-top: 1px solid var(--line); margin: 16px 0 4px; }

/* Meal list */
.meal-list { list-style: none; margin: 0; padding: 0; }
.meal-item { display: flex; align-items: center; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.meal-item .mname { flex: 1; font-size: .95rem; }
.meal-item .mname small { color: var(--muted); display: block; font-size: .78rem; }
.meal-item input.amt { width: 74px; text-align: right; padding: 8px; }
.meal-item .unit { color: var(--muted); font-size: .8rem; width: 42px; }
.meal-item .rm { background: none; border: none; color: var(--danger); font-size: 1.2rem; cursor: pointer; }
.est-badge { color: var(--warn); font-size: .72rem; }

/* Totals + plan */
.totals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.totals .t { background: var(--card2); border-radius: 10px; padding: 8px; text-align: center; }
.totals .t b { display: block; font-size: 1.15rem; }
.totals .t span { font-size: .72rem; color: var(--muted); }
.totals .t.carb b { color: var(--accent); }
.plan { font-size: .95rem; }
.plan .big { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.plan .row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); }
.plan .row .u { font-weight: 700; }
.plan .note { color: var(--muted); font-size: .85rem; margin-top: 10px; }
.plan .modehint { background: var(--card2); border-left: 3px solid var(--accent); padding: 8px 10px; border-radius: 8px; margin: 8px 0; font-size: .88rem; }
.plan .hint2 { display: block; margin-top: 7px; padding-top: 7px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; line-height: 1.4; }
.plan .uref { color: var(--muted); font-size: .8rem; font-weight: 400; }

/* Search */
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.chip { background: var(--card2); border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 5px 11px; font-size: .8rem; cursor: pointer; }
.chip.active { background: var(--accent); color: #06231f; border-color: var(--accent); font-weight: 600; }
.food-list { list-style: none; margin: 0; padding: 0; }
.food-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; }
.food-item .fi-main { flex: 1; }
.food-item .fi-main b { font-size: .95rem; }
.food-item .fi-main small { display: block; color: var(--muted); font-size: .8rem; }
.food-item .add { background: var(--accent2); border: none; color: #fff; width: 38px; height: 38px; border-radius: 10px; font-size: 1.4rem; cursor: pointer; flex: none; }

/* Tabbar */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; display: flex;
  background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: var(--safe-b); z-index: 6;
}
.tabbar button {
  flex: 1; background: none; border: none; color: var(--muted);
  font-size: 1.4rem; padding: 8px 0; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.tabbar button span { font-size: .68rem; }
.tabbar button.active { color: var(--accent); }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 20; }
.modal[hidden] { display: none; }
[hidden] { display: none !important; }
.scan-btn { margin-top: 0 !important; margin-bottom: 10px; }
.scan-box { width: 100%; max-width: 440px; }
.video-wrap { position: relative; width: 100%; aspect-ratio: 4/3; background: #000; border-radius: 12px; overflow: hidden; }
#scanVideo { width: 100%; height: 100%; object-fit: cover; }
.scan-line { position: absolute; left: 8%; right: 8%; top: 50%; height: 2px; background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: scan 1.8s ease-in-out infinite; }
@keyframes scan { 0%,100% { top: 25%; } 50% { top: 75%; } }
#scanResult { margin-top: 12px; }
#scanResult b { font-size: 1.05rem; }
#scanClose { display: block; width: 100%; margin-top: 12px; }
.modal-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; max-width: 440px; }
.modal-box p { font-size: .92rem; }