:root {
  --bg: #0e1226;
  --card: rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-hover: rgba(255, 255, 255, 0.12);
  --text: #f3f6fc;
  --muted: rgba(243, 246, 252, 0.6);
  --tiny: rgba(243, 246, 252, 0.4);
  --accent: #8b7bf0;
  --accent2: #f06ba8;
  --green: #4ade80;
  --shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
  --radius: 20px;
  --blur: blur(22px) saturate(160%);
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
.device { display: contents; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  color: var(--text); background: var(--bg); min-height: 100vh; overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* backdrop */
.bg {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(139, 123, 240, 0.35), transparent 60%),
    radial-gradient(1000px 500px at 0% 100%, rgba(240, 107, 168, 0.25), transparent 55%),
    linear-gradient(160deg, #161a36 0%, #0e1226 55%, #080a16 100%);
}

.app { max-width: 1180px; margin: 0 auto; padding: calc(16px + env(safe-area-inset-top)) 18px calc(100px + env(safe-area-inset-bottom)); }

/* topbar */
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 19px; }
.brand-mark { font-size: 22px; }
.top-right { display: flex; align-items: center; gap: 10px; }
.sync { font-size: 11px; color: var(--green); transition: color 0.3s; }
.sync.saving { color: #facc15; }
.sync.error { color: #f87171; }
.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px; color: var(--text);
  background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; cursor: pointer;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* panels */
.panels { width: 100%; }
.panel { display: none; flex-direction: column; gap: 14px; max-width: 640px; margin: 0 auto; }
.panel.active { display: flex; animation: rise 0.35s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.panel-head { display: flex; align-items: center; justify-content: space-between; margin: 4px 2px; }
.panel-head h2 { font-size: 26px; font-weight: 700; }
.add-btn {
  background: var(--accent); color: #fff; border: none; border-radius: 12px;
  padding: 9px 14px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.add-btn:active { transform: scale(0.95); }

/* cards */
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 18px; backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--shadow);
}
.card-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-weight: 600; }
.row-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.mini { background: none; border: none; color: var(--accent); font-size: 13px; font-weight: 600; cursor: pointer; }
.big-line { font-size: 22px; font-weight: 600; }

.hero-greet { padding: 6px 2px 2px; }
.hero-greet h1 { font-size: 28px; font-weight: 700; }

.mini-list { display: flex; flex-direction: column; gap: 8px; }
.mini-list .none { color: var(--tiny); font-size: 14px; }
.mini-item { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.mini-item .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.mini-item .t { color: var(--muted); margin-left: auto; font-size: 13px; }

/* generic stacked rows */
.stack { display: flex; flex-direction: column; gap: 10px; }
.item {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px;
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.item .body { flex: 1; min-width: 0; }
.item .title { font-weight: 600; font-size: 15px; }
.item .title.done { text-decoration: line-through; opacity: 0.5; }
.item .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.item .x { color: var(--tiny); cursor: pointer; font-size: 18px; padding: 2px 4px; }
.item .x:hover { color: #f87171; }

/* checkbox */
.check {
  width: 26px; height: 26px; border-radius: 9px; border: 2px solid var(--card-border);
  display: grid; place-items: center; cursor: pointer; flex-shrink: 0; transition: all 0.15s; font-size: 15px; color: transparent;
}
.check.on { background: var(--green); border-color: var(--green); color: #06240f; }

/* who chip */
.who { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; white-space: nowrap; }
.who.m0 { background: rgba(139, 123, 240, 0.25); color: #c4baff; }
.who.m1 { background: rgba(240, 107, 168, 0.22); color: #ffb3d4; }
.who.m2 { background: rgba(74, 222, 128, 0.2); color: #a7f3c6; }

/* date group label */
.group-label { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); font-weight: 700; margin: 8px 2px 2px; }

/* meal day row */
.meal-day { display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: var(--card); border: 1px solid var(--card-border); border-radius: 16px; backdrop-filter: var(--blur); }
.meal-day .dname { width: 64px; flex-shrink: 0; }
.meal-day .dname b { display: block; font-size: 14px; }
.meal-day .dname span { font-size: 11px; color: var(--muted); }
.meal-day input { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); border-radius: 10px; color: var(--text); padding: 9px 11px; font-size: 14px; outline: none; }
.meal-day input:focus { border-color: var(--accent); }
.meal-day.today { border-color: var(--accent); }

/* add row (grocery) */
.add-row { display: flex; gap: 8px; }
.add-row input { flex: 1; background: var(--card); border: 1px solid var(--card-border); border-radius: 12px; color: var(--text); padding: 13px 14px; font-size: 15px; outline: none; backdrop-filter: var(--blur); }
.add-row input:focus { border-color: var(--accent); }
.add-row button { background: var(--accent); color: #fff; border: none; border-radius: 12px; padding: 0 18px; font-weight: 600; cursor: pointer; }

.empty { text-align: center; color: var(--tiny); font-size: 14px; padding: 30px 10px; }

/* tabbar */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  display: flex; justify-content: space-around;
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
  background: var(--card); border-top: 1px solid var(--card-border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.tabbar button { flex: 1; border: none; background: none; cursor: pointer; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 5px 2px; border-radius: 12px; }
.tabbar button .ti { font-size: 20px; filter: grayscale(0.4) opacity(0.75); transition: filter 0.2s, transform 0.15s; }
.tabbar button .tl { font-size: 10px; font-weight: 600; }
.tabbar button.active { color: var(--accent); }
.tabbar button.active .ti { filter: none; transform: translateY(-1px) scale(1.1); }
.tabbar button:active .ti { transform: scale(0.9); }

/* bottom sheet */
.sheet-wrap { position: fixed; inset: 0; z-index: 300; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); animation: fade 0.2s ease; }
.sheet {
  position: absolute; left: 0; right: 0; bottom: 0; max-width: 640px; margin: 0 auto;
  background: #1a1f3a; border: 1px solid var(--card-border); border-radius: 24px 24px 0 0;
  padding: 22px 20px calc(26px + env(safe-area-inset-bottom)); animation: slideUp 0.28s cubic-bezier(.2,.8,.2,1);
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.sheet h3 { font-size: 19px; margin-bottom: 16px; }
.sheet label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.sheet input, .sheet select {
  width: 100%; background: rgba(255,255,255,0.06); border: 1px solid var(--card-border);
  border-radius: 12px; color: var(--text); padding: 13px 14px; font-size: 16px; outline: none;
}
.sheet input:focus, .sheet select:focus { border-color: var(--accent); }
.seg { display: flex; gap: 8px; }
.seg button { flex: 1; padding: 11px; border-radius: 12px; border: 1px solid var(--card-border); background: rgba(255,255,255,0.04); color: var(--muted); font-weight: 600; cursor: pointer; font-size: 14px; }
.seg button.on { background: var(--accent); color: #fff; border-color: transparent; }
.sheet-actions { display: flex; gap: 10px; margin-top: 22px; }
.sheet-actions button { flex: 1; padding: 14px; border-radius: 14px; border: none; font-weight: 600; font-size: 15px; cursor: pointer; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: rgba(255,255,255,0.07); color: var(--text); }

/* setup overlay */
.setup { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(800px 500px at 70% 0%, rgba(139,123,240,.4), transparent), #0a0d1c; }
.setup-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--card-border); border-radius: 24px; padding: 28px 24px; backdrop-filter: var(--blur); text-align: center; }
.setup-logo { font-size: 46px; }
.setup-card h2 { font-size: 24px; margin: 6px 0 10px; }
.setup-card p { font-size: 14px; line-height: 1.5; margin-bottom: 16px; }
.setup-card label { display: block; text-align: left; font-size: 12px; color: var(--muted); margin: 12px 0 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.setup-card input { width: 100%; background: rgba(255,255,255,0.06); border: 1px solid var(--card-border); border-radius: 12px; color: var(--text); padding: 13px 14px; font-size: 16px; outline: none; }
.setup-card input:focus { border-color: var(--accent); }
.setup-card #setupSave { width: 100%; margin-top: 20px; padding: 14px; border: none; border-radius: 14px; background: var(--accent); color: #fff; font-weight: 700; font-size: 16px; cursor: pointer; }
.setup-card #setupHint { margin-top: 12px; }

.muted { color: var(--muted); } .tiny { font-size: 12px; }

/* ===== desktop phone frame ===== */
@media (min-width: 820px) {
  body { height: 100vh; overflow: hidden; display: grid; place-items: center;
    background: radial-gradient(circle at 50% 18%, #1c2040 0%, #0a0e17 55%, #05070c 100%); }
  .device { display: block; position: relative; width: 412px; height: min(880px, 94vh);
    border-radius: 56px; overflow: hidden; border: 13px solid #0a0d14;
    box-shadow: 0 50px 130px rgba(0,0,0,0.65), inset 0 0 0 2px rgba(255,255,255,0.04); }
  .device::before { content: ""; position: absolute; top: 11px; left: 50%; transform: translateX(-50%);
    width: 116px; height: 30px; background: #05070c; border-radius: 18px; z-index: 300; }
  .device .bg { position: absolute; }
  .device .app { position: absolute; inset: 0; max-width: none; margin: 0; overflow-y: auto; overflow-x: hidden; padding: 40px 16px 96px; }
  .device .app::-webkit-scrollbar { width: 0; }
  .device .tabbar { position: absolute; }
  .device .panel { max-width: none; }
  /* sheet & setup stay within the frame */
  .device .sheet-wrap, .device .setup { position: absolute; }
  .device .sheet { max-width: none; }
}