:root {
  --bg:         #0a0e1a;
  --surface:    #12172a;
  --elevated:   #1a2035;
  --hover:      #1e2640;
  --border:     #2a3052;
  --text:       #d4d8f0;
  --muted:      #5a6480;
  --accent:     #5865f2;
  --accent-h:   #4752c4;
  --success:    #23d160;
  --warning:    #ffdd57;
  --danger:     #ff3860;
  --ok-bg:      rgba(35,209,96,.12);
  --warn-bg:    rgba(255,221,87,.10);
  --danger-bg:  rgba(255,56,96,.12);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'Hiragino Sans', sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.app-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}
.tabs { display: flex; gap: .25rem; }
.tab {
  padding: .45rem 1rem;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: 6px;
  font-size: .9rem;
  transition: background .15s, color .15s;
}
.tab:hover  { background: var(--hover); color: var(--text); }
.tab.active { background: var(--accent); color: #fff; }

/* ── Main ── */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}
.loading { color: var(--muted); padding: 2rem 0; }
.empty   { color: var(--muted); padding: 1rem 0; }

/* ── Page header ── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.page-header h2 { font-size: 1.25rem; font-weight: 700; }

/* ── Stat bar ── */
.stat-bar { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .75rem 1.25rem;
  min-width: 120px;
  text-align: center;
}
.stat-card.stat-danger  { border-color: var(--danger);  background: var(--danger-bg); }
.stat-card.stat-warning { border-color: var(--warning); background: var(--warn-bg); }
.stat-value { display: block; font-size: 1.75rem; font-weight: 700; line-height: 1; }
.stat-label { display: block; font-size: .75rem; color: var(--muted); margin-top: .25rem; }

/* ── Category section ── */
.category-section { margin-bottom: 1.5rem; }
.category-title {
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .6rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border);
}

/* ── Item grid (dashboard) ── */
.item-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: .5rem;
}
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem .8rem;
  transition: border-color .15s;
}
.item-card:hover { border-color: var(--accent); }
.item-card.danger  { border-color: var(--danger);  background: var(--danger-bg); }
.item-card.warning { border-color: var(--warning); background: var(--warn-bg); }
.item-name  { font-size: .8rem; color: var(--muted); }
.item-stock { font-size: 1.2rem; font-weight: 700; margin-top: .2rem; }
.item-price { font-size: .75rem; color: var(--muted); margin-top: .15rem; }

/* ── Filters ── */
.filter-bar {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem; flex-wrap: wrap;
}
.filter-right { display: flex; gap: .5rem; margin-left: auto; }
.tab-group { display: flex; gap: .25rem; flex-wrap: wrap; }
.filter-tab {
  padding: .35rem .85rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 20px;
  cursor: pointer;
  font-size: .85rem;
  transition: all .15s;
}
.filter-tab:hover  { background: var(--hover); color: var(--text); }
.filter-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Form controls ── */
.input, .select {
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: .45rem .75rem;
  font-size: .9rem;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
.input:focus, .select:focus { border-color: var(--accent); }
.input-sm, .select-sm {
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: .3rem .65rem;
  font-size: .85rem;
  outline: none;
}
.input-sm:focus, .select-sm:focus { border-color: var(--accent); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .3rem;
  padding: .45rem 1rem;
  border: none; border-radius: 6px;
  cursor: pointer; font-size: .9rem;
  font-weight: 500; transition: all .15s;
  white-space: nowrap;
}
.btn-primary       { background: var(--accent);  color: #fff; }
.btn-primary:hover { background: var(--accent-h); }
.btn-ghost         { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover   { background: var(--hover); }
.btn-success       { background: var(--success); color: #000; }
.btn-success:hover { filter: brightness(1.1); }
.btn-warning       { background: var(--warning); color: #000; }
.btn-warning:hover { filter: brightness(1.1); }
.btn-xs { padding: .25rem .6rem; font-size: .78rem; }
.btn-danger-ghost { background: transparent; border: 1px solid var(--border); color: var(--danger); }
.btn-danger-ghost:hover { border-color: var(--danger); background: var(--danger-bg); }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-table  { background: rgba(88,101,242,.2); color: var(--accent); }
.badge-cat    { background: var(--elevated); border: 1px solid var(--border); color: var(--muted); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }
.badge-ok     { background: var(--ok-bg); color: var(--success); border: 1px solid var(--success); }

/* ── Recipe list ── */
.recipe-list { display: flex; flex-direction: column; gap: .5rem; }
.recipe-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color .15s;
}
.recipe-card:hover { border-color: var(--accent); }
.recipe-card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .7rem 1rem; flex-wrap: wrap; gap: .5rem;
}
.recipe-card-title { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.recipe-name { font-weight: 600; font-size: .95rem; }
.recipe-card-meta  { display: flex; align-items: center; gap: .5rem; }
.recipe-price { color: var(--muted); font-size: .85rem; }
.recipe-materials {
  display: none;
  border-top: 1px solid var(--border);
  padding: .75rem 1rem;
}
.recipe-card.expanded .recipe-materials { display: block; }

/* ── Tables ── */
.mat-table, .result-table, .inv-table, .calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.mat-table th, .result-table th, .inv-table th, .calc-table th {
  text-align: left;
  padding: .4rem .6rem;
  color: var(--muted);
  font-weight: 600;
  font-size: .75rem;
  border-bottom: 1px solid var(--border);
}
.mat-table td, .result-table td, .inv-table td, .calc-table td {
  padding: .4rem .6rem;
  border-bottom: 1px solid var(--border);
}
.mat-table tr:last-child td, .result-table tr:last-child td,
.inv-table tr:last-child td, .calc-table tr:last-child td {
  border-bottom: none;
}
.row-shortage td { background: var(--danger-bg); }
.row-ok td       { background: var(--ok-bg); }
.ok { color: var(--success); font-weight: 700; }
.ng { color: var(--danger);  font-weight: 700; }

/* ── Mat edit table ── */
.mat-edit-table { width: 100%; border-collapse: collapse; }
.mat-edit-table th {
  text-align: left; padding: .3rem .5rem;
  color: var(--muted); font-size: .75rem;
  border-bottom: 1px solid var(--border);
}
.mat-edit-table td { padding: .3rem .5rem; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 200;
}
.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: min(640px, 95vw);
  max-height: 85vh;
  overflow-y: auto;
  z-index: 201;
  padding: 1.5rem;
}
.hidden { display: none !important; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-close {
  background: transparent; border: none;
  color: var(--muted); cursor: pointer; font-size: 1.1rem;
  padding: .2rem .4rem; border-radius: 4px;
}
.modal-close:hover { color: var(--text); background: var(--hover); }

/* ── Recipe form ── */
.recipe-form { display: flex; flex-direction: column; gap: .85rem; }
.form-row { display: flex; flex-direction: column; gap: .3rem; }
.form-row label { font-size: .8rem; color: var(--muted); font-weight: 600; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.form-section { display: flex; flex-direction: column; gap: .5rem; }
.form-section-header {
  display: flex; align-items: center; justify-content: space-between;
}
.form-section-header label { font-size: .8rem; color: var(--muted); font-weight: 600; }
.form-actions {
  display: flex; justify-content: flex-end; gap: .5rem;
  padding-top: .5rem; border-top: 1px solid var(--border);
  margin-top: .25rem;
}
.section-title {
  font-size: .9rem; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em;
  display: flex; align-items: center; gap: .5rem;
}

/* ── Calculator ── */
.calc-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 900px) { .calc-layout { grid-template-columns: 1fr; } }
.calc-left, .calc-right {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.calc-left { display: flex; flex-direction: column; gap: .75rem; }
.calc-right { display: flex; flex-direction: column; }
.calc-right-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .75rem;
}
.calc-recipe-list { display: flex; flex-direction: column; gap: .3rem; max-height: 60vh; overflow-y: auto; }
.calc-recipe-item {
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem .5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: background .15s;
}
.calc-recipe-item:hover { background: var(--hover); border-color: var(--border); }
.calc-recipe-name { flex: 1; font-size: .875rem; }
.calc-recipe-table { font-size: .75rem; color: var(--muted); white-space: nowrap; }

.calc-selected { margin-bottom: .75rem; }
.qty-control { display: flex; align-items: center; gap: .4rem; }
.qty-val { font-weight: 700; min-width: 1.5rem; text-align: center; }

/* ── Bulk add ── */
.bulk-wrap { display: flex; flex-direction: column; gap: 1rem; }
.bulk-reason-bar { display: flex; align-items: center; gap: .75rem; }
.bulk-reason-label { font-size: .8rem; color: var(--muted); font-weight: 600; white-space: nowrap; }
.bulk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.bulk-table th {
  text-align: left;
  padding: .5rem .7rem;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: var(--elevated);
}
.bulk-table td {
  padding: .35rem .5rem;
  border-bottom: 1px solid var(--border);
}
.bulk-table tr:last-child td { border-bottom: none; }
.bulk-table .col-name { width: 100%; }
.bulk-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bulk-total {
  font-size: .9rem;
  color: var(--muted);
}
.bulk-total span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.bulk-result {
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .875rem;
  white-space: pre-line;
}
.bulk-result-ok    { background: var(--ok-bg);     color: var(--success); border: 1px solid var(--success); }
.bulk-result-warn  { background: var(--warn-bg);   color: var(--warning); border: 1px solid var(--warning); }
.bulk-result-error { background: var(--danger-bg); color: var(--danger);  border: 1px solid var(--danger); }
.hidden { display: none !important; }

/* ── Inventory table ── */
.inv-table .item-name-cell { font-weight: 500; }
.inv-table .price-cell { text-align: right; color: var(--muted); font-size: .875rem; }
.inv-table .stock-cell { font-weight: 700; text-align: right; }
.stock-zero { color: var(--danger); }
.stock-low  { color: var(--warning); }
.stock-ok   { color: var(--success); }
.action-cell { display: flex; gap: .35rem; flex-wrap: wrap; align-items: center; }