:root {
  --bg-top: #f4efe7;
  --bg-bottom: #ecf7f2;
  --panel: #ffffff;
  --ink: #132a26;
  --ink-soft: #45635d;
  --accent: #14655f;
  --accent-strong: #0b4f4a;
  --line: #d4e4de;
  --danger: #b22222;
  --warn: #9a5d06;
  --ok: #0a6a3e;
  --shadow: 0 10px 24px rgba(12, 61, 56, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(20, 101, 95, 0.16), transparent 36%),
    radial-gradient(circle at 88% 14%, rgba(221, 134, 38, 0.14), transparent 35%),
    linear-gradient(170deg, var(--bg-top), var(--bg-bottom));
}

.app-shell {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 18px 14px 28px;
  display: grid;
  gap: 12px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chip {
  border: 1px solid var(--line);
  background: #ffffffcc;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
}

.chip-muted {
  color: var(--ink-soft);
}

.panel {
  background: var(--panel);
  border: 1px solid #e7f0ec;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 12px;
  animation: fadeUp 220ms ease both;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

.hint {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.flavor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.item-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: linear-gradient(180deg, #ffffff, #f8fcfa);
  min-width: 0;
}

.item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

h3 {
  margin: 0;
  font-size: 1.04rem;
}

.counter-row {
  display: grid;
  grid-template-columns: 56px 1fr 56px 56px;
  gap: 8px;
  align-items: center;
}

.counter-row-inline {
  grid-template-columns: 56px 64px 56px;
}

.ctrl-btn {
  appearance: none;
  border: 1px solid #c7ddd5;
  background: #f1f8f5;
  color: var(--ink);
  border-radius: 10px;
  min-height: 42px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.ctrl-btn:active {
  transform: translateY(1px);
}

.ctrl-btn-strong {
  background: #d2eee4;
  border-color: #9ecfc1;
}

.count {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px dashed #bdd8ce;
  border-radius: 10px;
  font-size: 1.2rem;
}

.gift-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 10px;
}

.totals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}

.totals > div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  display: grid;
  gap: 4px;
}

.total-line {
  background: #e8f6f0;
}

.operator-row {
  margin-top: 10px;
  display: grid;
  gap: 6px;
}

.operator-row input {
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid #c9ddd7;
  padding: 0 10px;
  font-size: 1rem;
}

.validation-hint {
  margin: 8px 0 0;
  min-height: 1.2em;
  color: var(--danger);
  font-weight: 600;
}

.action-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.action-btn {
  appearance: none;
  border: 1px solid #bdd7ce;
  background: #f4f9f7;
  color: var(--ink);
  border-radius: 12px;
  min-height: 48px;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}

.action-link {
  text-decoration: none;
  display: grid;
  place-items: center;
}

.action-primary {
  background: linear-gradient(180deg, #1e8a82, var(--accent));
  color: #fff;
  border-color: #1b7d76;
}

.action-btn[disabled],
.ctrl-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  display: grid;
  gap: 4px;
}

.remaining-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.remaining-grid > div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.status {
  margin: 10px 0 0;
  min-height: 1.2em;
  color: var(--ink-soft);
  font-weight: 600;
}

.status-ok {
  color: var(--ok);
}

.status-warn {
  color: var(--warn);
}

.status-error {
  color: var(--danger);
}

.restock-counter-row {
  grid-template-columns: 56px 56px 56px 1fr;
}

.restock-manual {
  margin-top: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.restock-manual input {
  min-width: 0;
  width: 100%;
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid #c9ddd7;
  padding: 0 10px;
  font-size: 1rem;
}

.restock-manual .ctrl-btn {
  min-width: 70px;
  padding: 0 14px;
  white-space: nowrap;
}

.restock-meta {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
}

.restock-meta > div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  display: grid;
  gap: 4px;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
  }

  .chips {
    justify-content: flex-start;
  }

  .counter-row {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }

  .count {
    grid-column: span 4;
  }

  .restock-manual {
    grid-template-columns: 1fr;
  }

  .restock-manual .ctrl-btn {
    width: 100%;
  }
}