/* style.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #f4f4f3;
  --surface:      #ffffff;
  --border:       #d1d1ce;
  --border-light: #e8e8e5;
  --text:         #1a1a1a;
  --text-muted:   #666;
  --text-dim:     #aaa;
  --accent:       #1d4ed8;
  --accent-light: #eff6ff;
  --ok:           #15803d;
  --ok-light:     #f0fdf4;
  --warn:         #b45309;
  --warn-light:   #fffbeb;
  --err:          #dc2626;
  --bdu:          #6d28d9;
  --bdu-light:    #f5f3ff;
  --row-alt:      #fafaf9;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  padding: 1.5rem 1rem 5rem;
}

/* ── Bublinky na pozadí ── */
#bubble-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── Page layout ── */
.page { max-width: 900px; margin: 0 auto; }

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1rem;
  margin-bottom: 1.75rem;
  border-bottom: 2px solid var(--border);
}

.page-header h1 { font-size: 1.15rem; font-weight: 700; }

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.1s, border-color 0.1s;
}
.btn:hover { background: var(--bg); }
.btn.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.btn-primary:hover { background: #1e40af; }
.btn.btn-danger:hover { color: var(--err); border-color: var(--err); }
.btn.btn-export { background: var(--ok-light); color: var(--ok); border-color: #86efac; }
.btn.btn-export:hover { background: #dcfce7; }

/* ── Save status ── */
.save-status {
  font-size: 0.72rem;
  color: var(--text-dim);
  min-width: 12rem;
  text-align: right;
}
.save-status.ok   { color: var(--ok); }
.save-status.warn { color: var(--warn); }
.save-status.err  { color: var(--err); }

/* ── Product block ── */
.product { margin-bottom: 2.5rem; }

.product-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.product-title h2 { font-size: 1rem; font-weight: 700; }

.badge {
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: var(--border-light);
  color: var(--text-muted);
}

.product-link {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--accent);
  text-decoration: none;
}
.product-link:hover { text-decoration: underline; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
}

th {
  background: #ededeb;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th:first-child { text-align: left; }

tbody tr { border-bottom: 1px solid var(--border-light); }
tbody tr:last-child { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--row-alt); }
tbody tr.bdu-row,
tbody tr.bdu-row:nth-child(even) { background: var(--bdu-light); }

td {
  padding: 0.45rem 0.75rem;
  text-align: right;
  white-space: nowrap;
}
td:first-child { text-align: left; font-weight: 600; }

.name-bdu  { color: var(--bdu); }
.val-bdu   { color: var(--bdu); font-weight: 600; }
.val-zero  { color: var(--text-dim); }

/* delete person button */
.btn-del-person {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0 0.3rem;
  line-height: 1;
}
.btn-del-person:hover { color: var(--err); }

/* add person row */
.add-person-row td {
  padding: 0.35rem 0.75rem;
  background: var(--row-alt);
  border-top: 1px dashed var(--border);
}

.add-person-form {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

/* tfoot */
tfoot tr { border-top: 2px solid var(--border); background: #f0f0ee !important; }
tfoot td { font-weight: 700; padding: 0.45rem 0.75rem; }
tfoot td:first-child {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Inputs ── */
input[type="number"], input[type="text"] {
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.82rem;
  background: var(--surface);
  color: var(--text);
  outline: none;
}
input[type="number"] {
  width: 58px;
  text-align: right;
  -moz-appearance: textfield;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }
input[type="text"] { width: 72px; text-transform: uppercase; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }

/* ── Status bar ── */
.status-bar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  font-size: 0.75rem;
}

.s-label { color: var(--text-muted); margin-right: 0.2rem; }

.chip {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 99px;
  font-size: 0.69rem;
  font-weight: 600;
}
.chip.ok   { background: var(--ok-light);   color: var(--ok); }
.chip.warn { background: var(--warn-light);  color: var(--warn); }
.chip.err  { background: #fef2f2;            color: var(--err); }

.prog-wrap { display: flex; align-items: center; gap: 0.4rem; flex: 1; min-width: 120px; }
.prog-track { flex: 1; height: 5px; background: var(--border-light); border-radius: 3px; overflow: hidden; }
.prog-fill { height: 100%; border-radius: 3px; transition: width 0.2s; background: var(--accent); }
.prog-fill.ok   { background: var(--ok); }
.prog-fill.warn { background: var(--warn); }

/* ── Summary ── */
.summary {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--border);
}
.summary h3 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 0.6rem;
}

.sc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.7rem 0.85rem;
}
.sc.bdu { border-left: 3px solid var(--bdu); }

.sc-name  { font-size: 0.68rem; color: var(--text-muted); font-weight: 600; margin-bottom: 0.25rem; }
.sc-total { font-size: 1.1rem; font-weight: 700; }
.sc-total.bdu { color: var(--bdu); }
.sc-lines { font-size: 0.67rem; color: var(--text-dim); margin-top: 0.25rem; line-height: 1.75; }

/* ── Note ── */
.note {
  margin-top: 1.5rem;
  padding: 0.7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 0 4px 4px 0;
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.9;
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 1rem; font-weight: 700; }

.modal-body { padding: 1.25rem; }

.btn-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}
.btn-close:hover { color: var(--text); }

/* ── Export modal content ── */
.export-block { margin-bottom: 1.5rem; }
.export-block h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
}

.export-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}
.export-table th {
  font-size: 0.68rem;
  background: #f0f0ee;
  text-align: right;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border);
}
.export-table th:first-child { text-align: left; }
.export-table td {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border-light);
  text-align: right;
}
.export-table td:first-child { text-align: left; font-weight: 600; }
.export-table tfoot td { font-weight: 700; background: #f7f7f5; border-top: 1px solid var(--border); }
.export-table .bdu-col { color: var(--bdu); }

.payment-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
}

.payment-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.4rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.payment-item .p-name { font-weight: 600; font-size: 0.82rem; }
.payment-item .p-name.bdu { color: var(--bdu); }
.payment-item .p-amt  { font-size: 0.9rem; font-weight: 700; }

.export-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

/* ── Print ── */
.print-view { display: none; }

@media print {
  @page {
    size: A4 portrait;
    margin: 10mm 10mm 10mm 10mm;
  }

  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    box-sizing: border-box;
  }

  body {
    background: white !important;
    padding: 0 !important;
    margin: 0 !important;
    color: #000 !important;
    font-family: system-ui, Arial, sans-serif !important;
    font-size: 7.5pt !important;
  }

  .page,
  .modal-overlay,
  .modal-overlay.open,
  #bubble-canvas { display: none !important; }

  .print-view {
    display: block !important;
    width: 100%;
    color: #000;
  }

  /* ── Hlavička ── */
  .pv-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1.5pt solid #000;
    padding-bottom: 3pt;
    margin-bottom: 6pt;
  }
  .pv-header h1 { font-size: 11pt; font-weight: 700; margin: 0; }
  .pv-header .pv-date { font-size: 7pt; color: #666; }

  /* ── Produkt ── */
  .pv-product {
    margin-bottom: 6pt;
    page-break-inside: avoid;
    break-inside: avoid;
  }
  .pv-product-title {
    display: flex;
    align-items: baseline;
    gap: 5pt;
    border-bottom: 0.5pt solid #aaa;
    padding-bottom: 1.5pt;
    margin-bottom: 2.5pt;
  }
  .pv-product-title h2 { font-size: 8.5pt; font-weight: 700; margin: 0; white-space: nowrap; }
  .pv-product-title .pv-badge { font-size: 6.5pt; color: #666; }

  /* ── Tabulka ── */
  .pv-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 7pt;
    table-layout: fixed;
  }
  .pv-table colgroup col:first-child { width: 12%; }
  .pv-table colgroup col { width: 11%; }
  .pv-table colgroup col:last-child  { width: 15%; }

  .pv-table th {
    background: #e8e8e8 !important;
    font-size: 6pt;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    padding: 2pt 3pt;
    text-align: right;
    border: 0.4pt solid #bbb;
    white-space: nowrap;
    overflow: hidden;
  }
  .pv-table th:first-child { text-align: left; }

  .pv-table td {
    padding: 2pt 3pt;
    border: 0.4pt solid #ddd;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
  }
  .pv-table td:first-child { text-align: left; font-weight: 700; }

  .pv-table tbody tr:nth-child(even) td { background: #f6f6f6 !important; }

  .pv-table tfoot td {
    font-weight: 700;
    font-size: 7pt;
    border-top: 0.8pt solid #888;
    background: #e8e8e8 !important;
  }

  .pv-table .bdu-td { color: #5b21b6; }
  .pv-table .dim    { color: #bbb; }

  /* ── Status ── */
  .pv-status {
    font-size: 6pt;
    color: #777;
    margin-top: 1.5pt;
  }
  .pv-status.warn { color: #b45309; font-weight: 700; }
  .pv-status.ok   { color: #15803d; font-weight: 700; }

  /* ── Souhrn plateb ── */
  .pv-summary {
    margin-top: 6pt;
    page-break-inside: avoid;
    break-inside: avoid;
  }
  .pv-summary h3 {
    font-size: 8pt;
    font-weight: 700;
    border-bottom: 0.5pt solid #aaa;
    padding-bottom: 1.5pt;
    margin-bottom: 3pt;
  }

  /* pevný počet sloupců = 1 na osobu, max 8 */
  .pv-pay-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 2.5pt;
  }

  .pv-pay-item {
    border: 0.4pt solid #ccc;
    padding: 3pt 4pt;
    display: flex;
    flex-direction: column;
  }
  .pv-pay-name  { font-size: 6pt; color: #555; font-weight: 700; text-transform: uppercase; }
  .pv-pay-name.bdu { color: #5b21b6; }
  .pv-pay-amt   { font-size: 9pt; font-weight: 700; line-height: 1.2; margin-top: 1pt; }
  .pv-pay-lines { font-size: 5.5pt; color: #999; margin-top: 1pt; line-height: 1.4; }

  /* ── Celková suma ── */
  .pv-grand {
    margin-top: 3pt;
    padding: 3.5pt 6pt;
    border: 0.8pt solid #888;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    background: #e8e8e8 !important;
  }
  .pv-grand-label { font-size: 8pt; font-weight: 600; }
  .pv-grand-amt   { font-size: 11pt; font-weight: 700; }

  /* ── Poznámka ── */
  .pv-footer {
    margin-top: 5pt;
    font-size: 5.5pt;
    color: #aaa;
    border-top: 0.4pt solid #ddd;
    padding-top: 3pt;
    line-height: 1.5;
  }
}

@media (max-width: 540px) {
  input[type="number"] { width: 46px; }
  .product-link { display: none; }
  .save-status { display: none; }
}

/* ── Add-product modal form ── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.25rem;
}
.form-grid .full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); }
.field input[type="text"],
.field input[type="number"],
.field input[type="url"] {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--surface);
  outline: none;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }
.field .hint { font-size: 0.67rem; color: var(--text-dim); margin-top: 0.1rem; }

.form-error {
  font-size: 0.75rem;
  color: var(--err);
  min-height: 1.2em;
  margin-top: 0.5rem;
}

.net-preview {
  font-size: 0.72rem;
  color: var(--ok);
  margin-top: 0.5rem;
  min-height: 1.2em;
}

/* ── Reset dropdown ── */
.reset-wrap { position: relative; display: inline-block; }
.reset-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 200px;
  z-index: 50;
}
.reset-wrap:focus-within .reset-menu,
.reset-menu.open { display: block; }
.reset-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.85rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text);
}
.reset-menu button:hover { background: var(--bg); }
.reset-menu button.danger { color: var(--err); }
.reset-menu hr { border: none; border-top: 1px solid var(--border-light); margin: 0.2rem 0; }

.btn.btn-sm { font-size: 0.72rem; padding: 0.2rem 0.55rem; }

@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: 1; }
}

/* ── QR platba ── */
.sc-clickable {
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.sc-clickable:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.sc-qr-hint {
  font-size: 0.65rem;
  color: var(--accent);
  margin-top: 0.4rem;
  letter-spacing: 0.03em;
}

.qr-detail {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-size: 0.8rem;
}

.qr-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border-light);
}
.qr-row:last-child { border-bottom: none; }

.qr-lbl {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}