:root {
  --bg: #12211A;
  --surface: #1A2E23;
  --surface-2: #223828;
  --line: rgba(233,228,216,0.12);
  --line-strong: rgba(233,228,216,0.24);
  --text: #E9E4D8;
  --text-dim: #9BA89C;
  --gold: #C9A227;
  --gold-dim: #8A6E1D;
  --danger: #C1553A;
  --font-head: 'Arial Narrow', 'Helvetica Neue Condensed', Arial, sans-serif;
  --font-body: -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
}
a { color: var(--gold); }
.wrap { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ---- LOGIN ---- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 0.5px solid var(--line-strong);
  border-radius: 4px;
  padding: 36px 32px;
}
.brand-mark {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: 2px;
  color: var(--gold);
  margin: 0 0 4px;
}
.brand-sub {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 32px;
  border-bottom: 0.5px solid var(--line);
  padding-bottom: 20px;
}
.field-label {
  font-size: 12px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.field-input, textarea.field-input, select.field-input {
  width: 100%;
  padding: 11px 12px;
  background: var(--bg);
  border: 0.5px solid var(--line-strong);
  border-radius: 3px;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 18px;
  font-family: var(--font-body);
}
.field-input:focus { outline: none; border-color: var(--gold-dim); }
.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--gold);
  color: #1A1400;
  border: none;
  border-radius: 3px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  cursor: pointer;
  text-transform: uppercase;
}
.btn-primary:hover { background: #DDB52E; }
.btn-primary:disabled { background: var(--surface-2); color: var(--text-dim); cursor: not-allowed; }
.login-hint {
  margin-top: 18px;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
}
.login-error {
  color: var(--danger);
  font-size: 13px;
  margin: -10px 0 14px;
}

/* ---- APP SHELL ---- */
.page-header { position: sticky; top: 0; z-index: 30; background: var(--bg); }
.topbar { border-bottom: 0.5px solid var(--line); padding: 18px 0; background: var(--bg); }
.topbar-inner { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.top-brand { font-family: var(--font-head); font-weight: 700; font-size: 22px; letter-spacing: 1.5px; color: var(--gold); text-decoration: none; }
.top-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.top-links { font-size: 12px; }
.top-links a { color: var(--text-dim); text-decoration: none; margin-left: 14px; }
.top-links a:hover { color: var(--gold); }

.layout { display: grid; grid-template-columns: 1fr 320px; gap: 28px; padding: 28px 0 60px; align-items: stretch; }
@media (max-width: 800px) { .layout { grid-template-columns: 1fr; } }

.cat-nav-wrap { border-bottom: 0.5px solid var(--line); background: var(--surface); }
.cat-nav { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 20px; overflow-x: auto; }
.cat-tab {
  background: none; border: 0.5px solid var(--line-strong); color: var(--text-dim);
  padding: 6px 14px; border-radius: 20px; font-size: 12px; letter-spacing: 0.3px;
  cursor: pointer; white-space: nowrap; font-family: var(--font-body);
}
.cat-tab:hover { border-color: var(--gold-dim); color: var(--text); }
.cat-tab.active { background: var(--gold); border-color: var(--gold); color: #1A1400; font-weight: 700; }

.section-title {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 0.5px solid var(--line);
}

.catalog-controls {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 12px; margin-bottom: 14px;
}
.sklad-filter { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-dim); cursor: pointer; }
.sklad-filter input { width: auto; margin: 0; }
.sort-select {
  background: var(--surface); border: 0.5px solid var(--line-strong); border-radius: 3px;
  color: var(--text); font-size: 13px; padding: 6px 10px; font-family: var(--font-body); cursor: pointer;
}
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 14px; }
@media (max-width: 420px) { .catalog-grid { grid-template-columns: 1fr; } }
.product-card { background: var(--surface); border: 0.5px solid var(--line); border-radius: 4px; padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.product-image {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 3px; background: var(--surface-2);
}
.product-image-placeholder {
  display: flex; align-items: center; justify-content: center; text-align: center;
  color: var(--text-dim); font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; padding: 8px;
}
.product-cat { font-family: var(--font-mono); font-size: 11px; color: var(--gold-dim); letter-spacing: 0.5px; text-transform: uppercase; }
.product-name { font-size: 15px; font-weight: 600; line-height: 1.3; }
.product-meta { font-size: 12px; color: var(--text-dim); }
.product-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 6px; gap: 8px; }
.product-price { font-family: var(--font-mono); font-size: 15px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }
.stepper { display: flex; align-items: center; border: 0.5px solid var(--line-strong); border-radius: 3px; flex-shrink: 0; }
.stepper button { background: none; border: none; color: var(--text); width: 28px; height: 28px; font-size: 15px; cursor: pointer; font-family: var(--font-mono); flex-shrink: 0; }
.stepper button:hover { background: var(--surface-2); }
.stepper input {
  width: 34px; text-align: center; background: none; border: none; color: var(--text);
  font-family: var(--font-mono); font-size: 13px; -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.out-of-stock { filter: grayscale(1); opacity: 0.55; }
.stock-tag { font-size: 11px; color: var(--danger); font-family: var(--font-mono); }
.stock-qty { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); }

.ledger {
  background: var(--surface); border: 0.5px solid var(--line-strong); border-radius: 4px; padding: 18px;
  position: sticky; top: 139px; max-height: calc(100vh - 159px); overflow-y: auto;
}
.ledger-empty { font-size: 13px; color: var(--text-dim); padding: 20px 0; text-align: center; }
.ledger-line { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 12.5px; padding: 8px 0; border-bottom: 0.5px dashed var(--line); gap: 8px; }
.ledger-line-name { color: var(--text); flex: 1; }
.ledger-line-qty { color: var(--text-dim); display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.ledger-qty-input {
  width: 32px; text-align: center; background: var(--bg); border: 0.5px solid var(--line-strong);
  border-radius: 3px; color: var(--text); font-family: var(--font-mono); font-size: 12px; padding: 2px 0;
  -moz-appearance: textfield;
}
.ledger-qty-input::-webkit-outer-spin-button, .ledger-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ledger-line-sum { color: var(--text); min-width: 64px; text-align: right; }
.ledger-remove {
  background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 16px;
  line-height: 1; padding: 0 0 0 4px;
}
.ledger-remove:hover { color: var(--danger); }
.sleva-progress {
  font-size: 11.5px; color: var(--gold); background: rgba(201,162,39,0.12);
  border: 0.5px solid var(--gold-dim); border-radius: 4px; padding: 8px 10px; margin-top: 10px;
  text-align: center; line-height: 1.4;
}
.ledger-summary { margin-top: 4px; }
.ledger-summary-row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-mono); font-size: 12.5px; padding: 6px 0; color: var(--text-dim);
}
.ledger-discount-row { color: var(--danger); font-weight: 600; }
.ledger-total { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--font-mono); font-size: 18px; font-weight: 700; padding-top: 10px; margin-top: 4px; border-top: 0.5px solid var(--line); }
.doklad-row { display: flex; gap: 18px; margin-bottom: 14px; }
.doklad-option { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); cursor: pointer; }
.doklad-option input { width: auto; margin: 0; }
.ledger-note-label { font-size: 12px; color: var(--text-dim); margin: 14px 0 6px; display: block; }
.ledger-note { width: 100%; background: var(--bg); border: 0.5px solid var(--line-strong); border-radius: 3px; color: var(--text); font-family: var(--font-body); font-size: 13px; padding: 8px; resize: vertical; min-height: 50px; }
.btn-submit { width: 100%; margin-top: 16px; padding: 13px; background: var(--gold); color: #1A1400; border: none; border-radius: 3px; font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; }
.btn-submit:disabled { background: var(--surface-2); color: var(--text-dim); cursor: not-allowed; }
.btn-submit:not(:disabled):hover { background: #DDB52E; }

/* ---- CONFIRMATION ---- */
.confirm-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.stamp-card { background: var(--surface); border: 0.5px solid var(--line-strong); border-radius: 6px; max-width: 460px; width: 100%; padding: 32px; text-align: center; }
.stamp-mark { display: inline-block; border: 3px solid var(--gold); color: var(--gold); font-family: var(--font-head); font-weight: 700; font-size: 20px; letter-spacing: 2px; padding: 10px 22px; border-radius: 3px; transform: rotate(-6deg); margin-bottom: 22px; }
.stamp-detail { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); text-align: left; background: var(--bg); border: 0.5px solid var(--line); border-radius: 4px; padding: 14px; margin: 18px 0; line-height: 1.8; white-space: pre-wrap; }
.stamp-detail b { color: var(--text); }
.btn-secondary { background: none; border: 0.5px solid var(--line-strong); color: var(--text); padding: 10px 18px; border-radius: 3px; font-size: 13px; cursor: pointer; margin-top: 6px; text-decoration: none; display: inline-block; }
.btn-secondary:hover { background: var(--surface-2); }
.warn-banner { background: rgba(193,85,58,0.15); border: 0.5px solid var(--danger); color: var(--text); font-size: 13px; border-radius: 4px; padding: 10px 14px; margin-bottom: 16px; text-align: left; }
.info-banner { background: rgba(201,162,39,0.15); border: 0.5px solid var(--gold-dim); color: var(--text); font-size: 13px; border-radius: 4px; padding: 10px 14px; margin-bottom: 16px; text-align: left; }

/* ---- ADMIN ---- */
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 8px; border-bottom: 0.5px solid var(--line); vertical-align: middle; }
.admin-table th { color: var(--text-dim); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.admin-thumb { width: 44px; height: 44px; object-fit: cover; border-radius: 3px; background: var(--surface-2); }
.admin-actions a, .admin-actions button { font-size: 12px; margin-right: 8px; }
.link-btn { background: none; border: none; color: var(--gold); cursor: pointer; padding: 0; font-size: 12px; text-decoration: underline; }
.link-btn.danger { color: var(--danger); }
.admin-form { background: var(--surface); border: 0.5px solid var(--line-strong); border-radius: 4px; padding: 20px; margin-bottom: 24px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 160px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.checkbox-row input { width: auto; margin: 0; }

.inline-input {
  width: 100%; padding: 6px 8px; background: var(--bg); border: 0.5px solid var(--line-strong);
  border-radius: 3px; color: var(--text); font-size: 13px; font-family: var(--font-body);
}
.inline-input-num { width: 70px; }
.inline-stock { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-dim); white-space: nowrap; }
.inline-stock input { width: auto; }
.admin-table td.col-kategorie, .admin-table td.col-cena, .admin-table td.col-skladem { min-width: 100px; }

.cat-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.cat-row form { display: flex; align-items: center; gap: 8px; }
.cat-row .field-input { margin-bottom: 0; width: 220px; }
.cat-add-row { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.cat-add-row .field-input { margin-bottom: 0; width: 220px; }
.cat-add-row button { width: auto; padding: 10px 18px; }