:root {
  --bg: #0e1016;
  --bg-soft: #14171f;
  --panel: #181c26;
  --panel-edge: rgba(255, 255, 255, 0.07);
  --ink: #eef1f6;
  --ink-dim: #9aa3b2;
  --ink-faint: #6b7484;
  --accent: #5eead4;
  --accent-deep: #14b8a6;
  --accent-ink: #052e2a;
  --warn: #fbbf24;
  --warn-bg: rgba(251, 191, 36, 0.12);
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --ok: #4ade80;
  --ok-bg: rgba(74, 222, 128, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(700px 420px at 12% -8%, rgba(94, 234, 212, 0.12), transparent 60%),
    radial-gradient(600px 400px at 95% 12%, rgba(251, 191, 36, 0.07), transparent 60%);
  z-index: 0;
}

.wrap {
  width: min(1100px, 92%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--panel-edge);
  background: rgba(14, 16, 22, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-ink);
  font-size: 1.15rem;
  box-shadow: 0 4px 14px rgba(20, 184, 166, 0.35);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.brand-accent { color: var(--accent); }

.tabs {
  display: inline-flex;
  gap: 0.35rem;
  background: var(--bg-soft);
  border: 1px solid var(--panel-edge);
  border-radius: 999px;
  padding: 0.3rem;
}

.tab {
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink-dim);
  background: transparent;
  border: none;
  border-radius: 999px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color 0.2s, background 0.2s, transform 0.15s;
}

.tab:hover { color: var(--ink); }
.tab:active { transform: scale(0.97); }

.tab.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: var(--accent-ink);
}

.pill {
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  min-width: 1.4em;
  text-align: center;
}

.tab.is-active .pill { background: rgba(5, 46, 42, 0.85); color: #fff; }

/* ---------- Hero ---------- */
.hero { padding: 3rem 0 1.8rem; max-width: 640px; }

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 0.7rem;
}

.hero-sub { color: var(--ink-dim); font-size: 1.02rem; }
.hero-sub strong { color: var(--warn); font-weight: 600; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.8rem;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover { transform: translateY(-2px); border-color: rgba(94, 234, 212, 0.3); }

.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-faint);
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  line-height: 1.15;
}

.stat-warn .stat-value { color: var(--warn); }

/* ---------- Layout ---------- */
.columns {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.4rem;
  align-items: start;
  padding-bottom: 3rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  gap: 1rem;
}

.panel h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
}

/* ---------- Table ---------- */
.table-scroll { overflow-x: auto; }

.inv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  min-width: 520px;
}

.inv-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-faint);
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--panel-edge);
}

.inv-table td {
  padding: 0.8rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.inv-table tbody tr {
  transition: background 0.15s;
  animation: rowIn 0.3s ease both;
}

.inv-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }

@keyframes rowIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.num { text-align: right; font-variant-numeric: tabular-nums; }

.item-name { font-weight: 600; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-low { background: var(--warn-bg); color: var(--warn); }
.badge-out { background: var(--danger-bg); color: var(--danger); }

.table-foot {
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.status {
  padding: 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-bottom: 0.9rem;
}

.status-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.status-empty {
  background: var(--bg-soft);
  color: var(--ink-dim);
  border: 1px dashed var(--panel-edge);
  text-align: center;
}

.status .retry {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  margin-left: 0.4rem;
}

/* skeleton */
.skeleton-row td { padding: 0.9rem 0.75rem; }
.skeleton {
  display: block;
  height: 1rem;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Form ---------- */
.form-panel { position: sticky; top: 88px; }

.form-sub { color: var(--ink-dim); font-size: 0.88rem; margin: 0.3rem 0 1.2rem; }

.field { display: block; margin-bottom: 1rem; }

.field-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  margin-bottom: 0.35rem;
}

.field input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1px solid var(--panel-edge);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input::placeholder { color: var(--ink-faint); }

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.15);
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }

/* ---------- Buttons ---------- */
.btn {
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.98rem;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 6px 18px rgba(20, 184, 166, 0.3);
}

.btn-primary:hover { box-shadow: 0 8px 24px rgba(20, 184, 166, 0.45); transform: translateY(-1px); }

.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--panel-edge);
  color: var(--ink-dim);
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.btn-ghost:hover { color: var(--ink); border-color: var(--accent); }

.btn-spinner {
  display: none;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(5, 46, 42, 0.35);
  border-top-color: var(--accent-ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.is-loading .btn-spinner { display: inline-block; }
.btn.is-loading .btn-label { opacity: 0.7; }

@keyframes spin { to { transform: rotate(360deg); } }

.form-msg { font-size: 0.85rem; margin-top: 0.7rem; min-height: 1.2em; }
.form-msg.is-error { color: var(--danger); }
.form-msg.is-ok { color: var(--ok); }

/* ---------- Nightly note ---------- */
.nightly-note {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--warn-bg);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  font-size: 0.83rem;
  color: var(--ink-dim);
}

.nightly-note strong { color: var(--warn); }
.nightly-icon { font-size: 1.1rem; color: var(--warn); line-height: 1.3; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--panel-edge);
  padding: 1.4rem 0 2rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.site-footer a { color: var(--accent); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--panel);
  border: 1px solid rgba(94, 234, 212, 0.4);
  color: var(--ink);
  padding: 0.75rem 1.3rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 50;
  pointer-events: none;
}

.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .columns { grid-template-columns: 1fr; }
  .form-panel { position: static; order: -1; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero { padding-top: 2rem; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .stat-value { font-size: 1.3rem; }
  .panel { padding: 1.1rem; }
  .field-row { grid-template-columns: 1fr; }
  .header-inner { justify-content: center; }
}