:root {
  --paper: #f3f0ea;
  --panel: #fbfaf7;
  --ink: #1c1917;
  --muted: #6b6560;
  --faint: #8a847c;
  --line: #e4dfd6;
  --accent: #243044;
  --accent-fg: #f7f5f1;
  --warn: #8a5a12;
  --warn-bg: #f4ead8;
  --danger: #8f2d2d;
  --ok: #1f6b45;
  --ok-bg: #e5f0e9;
  --chip: #ebe6dc;
  --shadow: 0 12px 40px rgba(28, 25, 23, 0.08);
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --display: "Newsreader", Georgia, serif;
  --radius: 16px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.45;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: 0.55; }

.app { min-height: 100vh; }
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 8px;
}
.brand { min-width: 0; }
.brand h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 560;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 0.92rem; }
.layout { padding: 8px 16px 96px; max-width: 1100px; margin: 0 auto; }

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.stat span { display: block; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.stat strong {
  display: block;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
  font-size: 1.35rem;
  font-weight: 600;
}
.stat.warn strong { color: var(--warn); }

.bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.bar input, .field input, .field select, .field textarea {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  min-height: 44px;
}
.field textarea { min-height: 72px; resize: vertical; }
.bar input:focus, .field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 35%, white);
  border-color: var(--accent);
}

.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  min-height: 44px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn.danger { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: 0.92rem; }

.list { display: flex; flex-direction: column; gap: 8px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  text-align: left;
  width: 100%;
}
.card.row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 10px;
  align-items: center;
}
.thumb {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--chip);
  object-fit: cover;
}
.thumb.ph { display: grid; place-items: center; color: var(--faint); font-size: 0.75rem; }
.card h2 { margin: 0; font-size: 1rem; font-weight: 600; }
.meta { color: var(--muted); font-size: 0.88rem; margin-top: 2px; }
.qty { text-align: right; font-variant-numeric: tabular-nums; }
.qty b { display: block; font-size: 1.15rem; }
.pill {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 0.75rem;
  font-weight: 600;
}
.pill.ok { background: var(--ok-bg); color: var(--ok); }

.nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid var(--line);
}
.nav button {
  background: transparent;
  border: 0;
  border-radius: 10px;
  min-height: 48px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.82rem;
}
.nav button.on { background: var(--chip); color: var(--ink); }

.sheet {
  position: fixed;
  inset: 0;
  background: rgba(28, 25, 23, 0.35);
  display: grid;
  align-items: end;
  z-index: 5;
}
.sheet form, .sheet .panel {
  background: var(--panel);
  border-radius: 20px 20px 0 0;
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
  max-height: 92vh;
  overflow: auto;
  box-shadow: var(--shadow);
}
.sheet h2 { font-family: var(--display); font-weight: 560; margin: 0 0 12px; }
.grid { display: grid; gap: 10px; }
.grid.two { grid-template-columns: 1fr 1fr; }
.field label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 4px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.note {
  background: var(--warn-bg);
  color: var(--warn);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.92rem;
}
.empty { color: var(--muted); padding: 24px 0; }
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login form {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
}
.login h1 { font-family: var(--display); font-weight: 560; margin: 0 0 8px; }
.err { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; }

@media (min-width: 800px) {
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .nav {
    top: 0; bottom: 0; left: 0; right: auto;
    width: 180px;
    display: flex;
    flex-direction: column;
    border-top: 0;
    border-right: 1px solid var(--line);
    padding: 20px 10px;
  }
  .layout, .top { margin-left: 180px; }
  .top { padding-top: 22px; }
  .sheet { align-items: center; justify-items: center; }
  .sheet form, .sheet .panel {
    width: min(560px, calc(100% - 48px));
    border-radius: 20px;
    max-height: 86vh;
  }
}