/* MemoryZone design tokens (mmz-brand-design) */
:root {
  --mz-green-900: #063a21; --mz-green-800: #085e37; --mz-green-700: #0a804a; --mz-green-600: #0f9557;
  --mz-green-500: #1bab68; --mz-green-300: #86d6ac; --mz-green-200: #bfe8d2; --mz-green-100: #e3f5eb; --mz-green-50: #f2faf6;
  --mz-lime-800: #648a2c; --mz-lime-600: #97c354; --mz-lime-200: #e4f0d3; --mz-lime-100: #f2f8e8;
  --mz-ink-900: #0d1f16; --mz-ink-800: #182b22; --mz-ink-700: #33453c; --mz-ink-600: #55655c; --mz-ink-500: #77857c;
  --mz-ink-400: #9aa6a0; --mz-ink-300: #c2cac5; --mz-ink-200: #dfe4e1; --mz-ink-100: #eef1ef; --mz-ink-50: #f7f8f7;
  --mz-info: #2563c9; --mz-warning: #e0900a; --mz-danger: #d83a2f; --mz-sale: #e0350c;
  --gradient-brand: linear-gradient(135deg, #0A804A 0%, #97C354 100%);
  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(13, 31, 22, .06), 0 1px 3px rgba(13, 31, 22, .08);
  --shadow-lg: 0 10px 24px rgba(13, 31, 22, .10), 0 2px 6px rgba(13, 31, 22, .06);
  --font: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font); font-size: 14px; line-height: 1.5; color: var(--mz-ink-800);
  background: var(--mz-ink-50); -webkit-font-smoothing: antialiased;
}
a { color: var(--mz-green-700); text-decoration: none; }
a:hover { color: var(--mz-green-800); text-decoration: underline; }
:focus-visible { outline: 3px solid rgba(15, 149, 87, .55); outline-offset: 2px; }
h1, h2, h3, h4 { color: var(--mz-ink-900); margin: 0; letter-spacing: -.3px; line-height: 1.25; }
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 20px; font-weight: 600; }
h3 { font-size: 16px; font-weight: 600; }
.muted { color: var(--mz-ink-500); }
.caption { font-size: 12px; letter-spacing: .3px; color: var(--mz-ink-500); }
.mono { font-family: var(--mono); font-size: 13px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }
.truncate { max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
svg.lucide { width: 18px; height: 18px; stroke-width: 2; vertical-align: -3px; }

/* ---------- layout ---------- */
.layout {
  display: grid; grid-template-columns: 232px 1fr; min-height: 100vh;
  background: linear-gradient(90deg, var(--mz-green-900) 0 232px, transparent 232px);
}
.sidebar {
  background: var(--mz-green-900); color: #fff; padding: 20px 12px; position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 24px;
}
.brand { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.mz-wordmark { font-size: 22px; font-weight: 800; letter-spacing: -.5px; color: var(--mz-lime-600); }
.mz-wordmark .zone { color: #fff; }
.brand .tag { font-size: 11px; letter-spacing: 1.5px; color: var(--mz-green-300); }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius);
  color: var(--mz-green-200); font-weight: 500;
}
.nav a:hover { background: var(--mz-green-800); color: #fff; text-decoration: none; }
.nav a.active { background: var(--mz-green-700); color: #fff; }
.nav .count {
  margin-left: auto; background: var(--mz-sale); color: #fff; border-radius: 9999px; font-size: 11px;
  padding: 0 7px; line-height: 18px; font-weight: 600;
}
.nav .count.info { background: var(--mz-lime-600); color: var(--mz-green-900); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 12px 20px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--mz-ink-200); padding: 0 20px; flex-wrap: wrap; }
.tabs a { padding: 12px 14px; color: var(--mz-ink-600); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a:hover { color: var(--mz-green-700); text-decoration: none; }
.tabs a.active { color: var(--mz-green-700); border-bottom-color: var(--mz-green-700); }
.tabs a .n { font-weight: 500; color: var(--mz-ink-400); margin-left: 4px; }
.score { font-weight: 700; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 13px; }
.kv dt { color: var(--mz-ink-500); }
.kv dd { margin: 0; font-weight: 600; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; counter-reset: step; }
.steps div { background: var(--mz-ink-50); border: 1px solid var(--mz-ink-200); border-radius: var(--radius); padding: 12px; font-size: 13px; }
.steps b { display: block; color: var(--mz-green-700); margin-bottom: 4px; }
.sidebar .foot { margin-top: auto; padding: 0 12px; font-size: 12px; color: var(--mz-green-300); display: flex; flex-direction: column; gap: 8px; }
.sidebar .foot a { color: var(--mz-green-200); }
.main { padding: 24px 32px 48px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head .sub { color: var(--mz-ink-500); margin-top: 4px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.nw { flex-wrap: nowrap; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3, .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; background: none; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 12px 16px; gap: 12px; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar .foot { display: none; }
  .main { padding: 16px; }
  .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- card ---------- */
.card {
  background: #fff; border: 1px solid var(--mz-ink-200); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 20px; min-width: 0;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.card.flush { padding: 0; overflow: hidden; }
.card.flush .card-head { padding: 16px 20px 0; }
.kpi { display: flex; flex-direction: column; gap: 4px; }
.kpi .label { color: var(--mz-ink-500); font-size: 13px; display: flex; align-items: center; gap: 8px; }
.kpi .value { font-size: 30px; font-weight: 700; color: var(--mz-ink-900); letter-spacing: -.5px; line-height: 1.15; }
.kpi .hint { font-size: 12px; color: var(--mz-ink-500); }
.kpi.brand { background: var(--gradient-brand); border: none; color: #fff; }
.kpi.brand .label, .kpi.brand .hint { color: rgba(255, 255, 255, .85); }
.kpi.brand .value { color: #fff; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 16px; border-radius: var(--radius);
  border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
  background: var(--mz-green-700); color: #fff; transition: background .15s, box-shadow .15s;
}
.btn:hover { background: var(--mz-green-800); color: #fff; text-decoration: none; }
.btn:active { background: var(--mz-green-900); }
.btn.secondary { background: var(--mz-lime-100); color: var(--mz-green-800); border-color: var(--mz-lime-200); }
.btn.secondary:hover { background: var(--mz-lime-200); }
.btn.outline { background: #fff; color: var(--mz-ink-800); border-color: var(--mz-ink-300); }
.btn.outline:hover { border-color: var(--mz-green-700); color: var(--mz-green-700); }
.btn.ghost { background: transparent; color: var(--mz-ink-700); }
.btn.ghost:hover { background: var(--mz-ink-100); color: var(--mz-ink-900); }
.btn.danger { background: #fff; color: var(--mz-danger); border-color: #f2c4c0; }
.btn.danger:hover { background: #fdecea; }
.btn.sm { height: 30px; padding: 0 10px; font-size: 13px; gap: 6px; }
.btn.icon { width: 30px; padding: 0; justify-content: center; }
.btn[disabled], .btn.loading { opacity: .6; pointer-events: none; }

/* ---------- forms ---------- */
label.field { display: flex; flex-direction: column; gap: 6px; font-weight: 600; color: var(--mz-ink-800); font-size: 13px; }
label.field .hint { font-weight: 400; color: var(--mz-ink-500); font-size: 12px; }
input, select, textarea {
  font: inherit; font-weight: 400; color: var(--mz-ink-900); background: #fff; border: 1px solid var(--mz-ink-300);
  border-radius: var(--radius); padding: 8px 12px; min-height: 38px; width: 100%;
}
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mz-green-600); box-shadow: 0 0 0 3px rgba(15, 149, 87, .25); }
input[type=checkbox] { width: 16px; min-height: 16px; height: 16px; accent-color: var(--mz-green-700); }
.check { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; }
.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filters > * { flex: 0 1 auto; }
.filters input[type=search] { min-width: 260px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
details.panel > summary { cursor: pointer; list-style: none; }
details.panel > summary::-webkit-details-marker { display: none; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--mz-ink-100); text-align: left; vertical-align: middle; }
th {
  font-size: 12px; font-weight: 600; color: var(--mz-ink-500); letter-spacing: .3px; background: var(--mz-ink-50);
  position: sticky; top: 0; z-index: 1; white-space: nowrap;
}
tbody tr:hover { background: var(--mz-green-50); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.price { font-weight: 700; color: var(--mz-green-700); font-variant-numeric: tabular-nums; }
.price.lg { font-size: 28px; letter-spacing: -.5px; }
.price.strike { color: var(--mz-ink-400); text-decoration: line-through; font-weight: 400; font-size: 12px; }
.price.cheaper { color: var(--mz-danger); }
.price.dearer { color: var(--mz-green-700); }
.up { color: var(--mz-danger); font-weight: 600; }
.down { color: var(--mz-green-700); font-weight: 600; }
.cell-sub { font-size: 12px; color: var(--mz-ink-500); }
.empty { padding: 40px 16px; text-align: center; color: var(--mz-ink-500); display: flex; flex-direction: column; align-items: center; gap: 12px; }

/* compare matrix */
.matrix td.cell { text-align: right; white-space: nowrap; }
.matrix td.cell.cheaper { background: #fdecea; }
.matrix td.cell.equal { background: var(--mz-lime-100); }
.matrix td.cell.dearer { background: var(--mz-green-50); }
.matrix td.cell.oos { color: var(--mz-ink-400); }
.matrix td.cell.lowest { box-shadow: inset 0 0 0 2px var(--mz-danger); }

/* ---------- badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; border-radius: 9999px; padding: 2px 10px; font-size: 12px;
  font-weight: 600; white-space: nowrap; background: var(--mz-ink-100); color: var(--mz-ink-700);
}
.badge.green { background: var(--mz-green-100); color: var(--mz-green-800); }
.badge.lime { background: var(--mz-lime-100); color: var(--mz-lime-800); }
.badge.danger { background: #fdecea; color: #a8281f; }
.badge.warning { background: #fdf3e1; color: #9a6206; }
.badge.info { background: #e6effc; color: #1d4fa3; }
.badge.sale { background: var(--mz-sale); color: #fff; }
.badge.solid { background: var(--mz-green-700); color: #fff; }
.pos-cheapest { background: var(--mz-green-100); color: var(--mz-green-800); }
.pos-competitive { background: var(--mz-lime-100); color: var(--mz-lime-800); }
.pos-expensive { background: #fdecea; color: #a8281f; }
.pos-no_data, .pos-no_price { background: var(--mz-ink-100); color: var(--mz-ink-600); }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }

/* ---------- misc ---------- */
.bar { display: flex; height: 10px; border-radius: 9999px; overflow: hidden; background: var(--mz-ink-100); }
.bar span { display: block; height: 100%; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.list { display: flex; flex-direction: column; }
.list-item { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--mz-ink-100); }
.list-item:last-child { border-bottom: none; }
.list-item .grow { flex: 1; min-width: 0; }
.sev-high { color: var(--mz-danger); }
.sev-medium { color: var(--mz-warning); }
.sev-low { color: var(--mz-info); }
.sev-info { color: var(--mz-ink-500); }
.suggest { border-radius: var(--radius); padding: 16px; background: var(--mz-green-50); border: 1px solid var(--mz-green-200); display: flex; flex-direction: column; gap: 8px; }
.suggest.lower, .suggest.floor { background: #fdf3e1; border-color: #f5dcae; }
.suggest.none { background: var(--mz-ink-50); border-color: var(--mz-ink-200); }
.stat-line { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--mz-ink-200); }
.stat-line:last-child { border-bottom: none; }
.chart-box { position: relative; height: 340px; flex: 1; }
.card.chart-card { display: flex; flex-direction: column; }
pre.code { background: var(--mz-ink-900); color: var(--mz-green-200); padding: 16px; border-radius: var(--radius); overflow: auto; font-size: 12px; margin: 0; }
.toast-wrap { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--mz-ink-900); color: #fff; padding: 12px 16px; border-radius: var(--radius); box-shadow: var(--shadow-lg); max-width: 420px; }
.toast.error { background: var(--mz-danger); }
.toast.ok { background: var(--mz-green-700); }

/* login */
.login-page { min-height: 100vh; display: grid; place-items: center; background: var(--gradient-brand); padding: 16px; }
.login-card { width: 100%; max-width: 380px; background: #fff; border-radius: 12px; padding: 32px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 16px; }
.login-card .mz-wordmark { color: var(--mz-lime-600); font-size: 28px; }
.login-card .mz-wordmark .zone { color: var(--mz-green-700); }
.alert-box { padding: 10px 12px; border-radius: var(--radius); background: #fdecea; color: #a8281f; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- kiểm tra nhanh ---------- */
.quick { position: relative; padding: 0 4px; }
.quick input {
  width: 100%; padding: 9px 12px; border-radius: var(--radius); border: 1px solid var(--mz-green-700);
  background: var(--mz-green-800); color: #fff; font: inherit; font-size: 13px;
}
.quick input::placeholder { color: var(--mz-green-300); }
.quick-results {
  position: absolute; left: 4px; top: calc(100% + 6px); width: 420px; max-width: calc(100vw - 32px); z-index: 50;
  background: #fff; color: var(--mz-ink-800); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--mz-ink-200); overflow: hidden;
}
.quick-item { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-bottom: 1px solid var(--mz-ink-100); color: inherit; }
.quick-item:hover { background: var(--mz-green-50); text-decoration: none; }
.quick-item .badge { align-self: flex-start; }
.quick-name { font-weight: 600; font-size: 13px; color: var(--mz-ink-900); }
.quick-meta { font-size: 12px; color: var(--mz-ink-500); }
.quick-empty { padding: 12px; font-size: 13px; color: var(--mz-ink-500); }
.toast.warn { border-left: 4px solid var(--mz-warning); }