/* ── MODAL ── */
.calc-modal-overlay{
  display:none;position:fixed;inset:0;z-index:200;
  background:rgba(8,8,7,0.88);backdrop-filter:blur(6px);
  align-items:center;justify-content:center;
  padding:24px; /* fallback для браузерів без підтримки env() */
  padding-top:max(24px, env(safe-area-inset-top));
  padding-right:max(24px, env(safe-area-inset-right));
  padding-bottom:max(24px, env(safe-area-inset-bottom));
  padding-left:max(24px, env(safe-area-inset-left));
}
.calc-modal-overlay.open{display:flex;}
.calc-modal{
  background:var(--dark2);border:1px solid var(--border);border-radius:3px;
  width:min(1400px, calc(100vw - 48px));max-height:calc(100dvh - 48px);overflow-y:auto;position:relative;
  box-shadow:0 40px 100px rgba(0,0,0,0.6);
}
.calc-modal-close{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  width:100%;box-sizing:border-box;
  padding:20px;background:var(--dark2);
}
.calc-modal-logo{
  font-family:'Cormorant Garamond',serif;font-size:17px;font-weight:500;
  color:var(--text);letter-spacing:0.05em;white-space:nowrap;
}
.calc-modal-logo span{color:var(--gold);}
.calc-modal-close button{
  background:var(--warm);color:var(--text-60);border:1px solid var(--border);
  border-radius:50%;width:44px;height:44px;font-size:16px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:color 0.2s,border-color 0.2s;
}
.calc-modal-close button:hover{color:var(--text);border-color:var(--gold);}
.calc-modal-close button:focus-visible,
.calc-modal .module-btn:focus-visible,
.calc-modal .orient-btn:focus-visible,
.calc-modal .eraser-btn:focus-visible,
.calc-modal .grid-controls button:focus-visible,
.calc-modal .cell:focus-visible,
.calc-modal .cell-delete:focus-visible,
.calc-modal .preset-card:focus-visible,
.calc-modal .preset-pick-btn:focus-visible,
.calc-modal .size-select:focus-visible,
.calc-modal .calc-cta-btn:focus-visible,
.preset-confirm-actions button:focus-visible,
.calc-modal .option-row input:focus-visible{
  outline:2px solid var(--gold);outline-offset:2px;
}

/* Перекриття стилів калькулятора для темної теми модалки */
.calc-modal .wrap{padding-top:8px;padding-bottom:40px;}

/* Планшет: 768–1023px — трохи менше повітря по краях, гарантований touch target */
@media (max-width:1023px){
  .calc-modal{width:calc(100vw - 32px);max-height:calc(100dvh - 32px);}
  .calc-modal .module-btn,
  .calc-modal .grid-controls button,
  .calc-modal .orient-btn,
  .calc-modal .eraser-btn{min-height:44px;}
  .calc-modal .grid-controls button,
  .calc-modal .orient-btn{display:inline-flex;align-items:center;justify-content:center;}
}

/* Мобільна версія: до 767px — повноекранний калькулятор */
@media (max-width:767px){
  .calc-modal-overlay{padding:0;}
  .calc-modal{
    position:fixed;inset:0;
    width:100%;height:100dvh;
    max-width:none;max-height:none;
    border-radius:0;border:none;
    overflow-y:auto;overscroll-behavior:contain;
  }
  .calc-modal-close{
    padding-top:max(16px, env(safe-area-inset-top));
    padding-left:max(20px, env(safe-area-inset-left));
    padding-right:max(20px, env(safe-area-inset-right));
  }
  .calc-modal .wrap{
    padding-left:max(20px, env(safe-area-inset-left));
    padding-right:max(20px, env(safe-area-inset-right));
    padding-bottom:max(40px, env(safe-area-inset-bottom));
  }
}

/* Калькулятор - вбудовані стилі */
  .calc-modal {
    --calc-bark: #2b2520;
    --calc-timber: #8a5a3a;
    --calc-timber-light: #c98a5e;
    --calc-clay: #c1693f;
    --calc-sand: #f3ede3;
    --calc-paper: #fbf8f2;
    --calc-slate: #5a564e;
    --calc-line: #d8cdb8;
    --calc-grid-empty: #ffffff;
  }.calc-modal * { box-sizing: border-box; }.calc-modal {
    margin: 0;
    background: var(--calc-sand);
    color: var(--calc-bark);
    font-family: 'Inter', sans-serif;
  }.calc-modal .wrap { max-width: 1180px; margin: 0 auto; padding: 48px 32px 80px; }.calc-modal header {
    display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px;
    margin-bottom: 44px; border-bottom: 1px solid var(--calc-line); padding-bottom: 28px;
  }.calc-modal .eyebrow { font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--calc-clay); font-weight: 600; margin-bottom: 6px; }.calc-modal h2 { font-family: 'Fraunces', serif; font-weight: 500; font-size: 42px; margin: 0; line-height: 1.08; letter-spacing: -0.01em; color: var(--calc-bark); }.calc-modal .subhead { font-size: 15px; color: #3a3730; max-width: 520px; text-align: center; line-height: 1.55; }

  @media (max-width: 880px) {.calc-modal h2 { font-size: 32px; }.calc-modal header { flex-direction: column; align-items: center; }
  }.calc-modal .layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }.calc-modal .layout > * { min-width: 0; }
  @media (max-width: 880px) {.calc-modal .layout { grid-template-columns: 1fr; } }.calc-modal .panel { background: var(--calc-paper); border: 1px solid var(--calc-line); border-radius: 4px; padding: 28px; }.calc-modal .panel h2 { font-family: 'Fraunces', serif; font-size: 19px; font-weight: 500; margin: 0 0 18px; display: flex; align-items: baseline; gap: 10px; color: var(--calc-bark); }.calc-modal .panel h2 .num { color: var(--calc-clay); font-size: 13px; font-family: 'Inter', sans-serif; font-weight: 700; }/* --- module palette --- */
  .calc-modal .palette { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 28px; }.calc-modal .module-btn {
    border: 1.5px solid var(--calc-line); background: var(--calc-grid-empty); border-radius: 3px; padding: 12px 14px;
    cursor: pointer; text-align: left; transition: border-color 0.15s, transform 0.1s;
  }.calc-modal .module-btn:hover { transform: translateY(-1px); }.calc-modal .module-btn.active { border-color: var(--calc-clay); box-shadow: 0 0 0 1px var(--calc-clay) inset; }.calc-modal .module-btn .swatch { width: 16px; height: 16px; border-radius: 2px; display: inline-block; margin-right: 8px; vertical-align: middle; }.calc-modal .module-btn .label { font-weight: 600; font-size: 13.5px; color: var(--calc-bark); }.calc-modal .module-btn .price { font-size: 12px; color: var(--calc-slate); margin-top: 4px; }.calc-modal .size-select { margin-top: 8px; width: 100%; font-size: 12px; padding: 4px 6px; border: 1px solid var(--calc-line); border-radius: 3px; background: var(--calc-paper); color: var(--calc-bark); }.calc-modal .orient-btn {
    margin-top: 8px; width: 100%; font-size: 12px; padding: 5px 8px;
    border: 1px solid var(--calc-clay); border-radius: 3px; background: transparent;
    color: var(--calc-clay); cursor: pointer; font-family: 'Inter', sans-serif;
    transition: background 0.15s;
  }.calc-modal .orient-btn:hover { background: rgba(193,105,63,0.08); }.calc-modal .orient-note {
    margin-top: 8px; font-size: 11.5px; color: var(--calc-slate); font-style: italic; line-height: 1.4;
  }.calc-modal .eraser-btn {
    grid-column: span 2; border: 1.5px dashed var(--calc-line); background: transparent; border-radius: 3px;
    padding: 10px; cursor: pointer; font-size: 13px; color: var(--calc-slate);
  }.calc-modal .eraser-btn.active { border-color: var(--calc-bark); color: var(--calc-bark); border-style: solid; }/* --- grid --- */
  .calc-modal .grid-help { font-size: 13px; color: #3a3730; margin-bottom: 14px; line-height: 1.5; }.calc-modal .grid-scroll {
    overflow: auto;
    max-width: 100%;
    border: 1.5px solid #b8aa94;
    border-radius: 4px;
    background: repeating-linear-gradient(0deg, transparent, transparent 35px, rgba(0,0,0,0.03) 35px, rgba(0,0,0,0.03) 36px),
                repeating-linear-gradient(90deg, transparent, transparent 35px, rgba(0,0,0,0.03) 35px, rgba(0,0,0,0.03) 36px);
    padding: 16px;
    position: relative;
  }.calc-modal .grid-scroll-hint {
    display: none;
    font-size: 11.5px; color: var(--calc-slate); text-align: right;
    margin-top: 6px; letter-spacing: 0.02em;
  }.calc-modal .grid-scroll.is-scrollable + .grid-scroll-hint {
    display: block;
  }.calc-modal .build-grid {
    display: grid;
    gap: 3px;
  }.calc-modal .cell {
    border: 1.5px dashed #9e9282; border-radius: 3px; cursor: pointer; position: relative;
    background: var(--calc-grid-empty); overflow: hidden;
    transition: border-color 0.12s;
    display: flex; align-items: center; justify-content: center;
  }.calc-modal .cell:hover { border-color: var(--calc-timber); border-style: solid; }.calc-modal .cell.empty { color: rgba(0,0,0,0.3); font-size: 16px; }.calc-modal .cell.filled {
    overflow: visible;
    border-style: solid;
    color: #fff; font-weight: 600; text-align: center; line-height: 1.2; padding: 3px;
    flex-direction: column; gap: 1px;
  }.calc-modal .cell-label {
    font-size: clamp(8.5px, 2.1vw, 11px);
    overflow-wrap: break-word; word-break: break-word; max-width: 100%; hyphens: auto;
  }.calc-modal .cell.filled .cell-size { display: block; font-weight: 400; font-size: clamp(7.5px, 1.6vw, 9.5px); opacity: 0.85; margin-top: 1px; }.calc-modal .cell.filled.cell-tiny .cell-size { display: none; }.calc-modal .cell-delete {
    position: absolute; top: -9px; right: -9px; z-index: 5;
    width: 32px; height: 32px; padding: 0;
    border-radius: 50%; border: 2px solid var(--calc-paper);
    background: #3a3730; color: #fff; font-size: 14px; font-weight: 700; line-height: 1;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,0.3);
  }.calc-modal .cell-delete:hover { background: #c1693f; }@media (max-width:1023px) {
    .calc-modal .cell-delete { width: 40px; height: 40px; top: -12px; right: -12px; font-size: 17px; }
  }.calc-modal .cell.occupied-secondary {
    /* клітина, яку "накриває" сусідній довший модуль — не клікабельна напряму, показує продовження кольору */
    pointer-events: none;
  }.calc-modal .grid-controls {
    display: flex; justify-content: space-between; align-items: center; margin-top: 14px;
    font-size: 12.5px; color: var(--calc-slate); flex-wrap: wrap; gap: 8px;
  }.calc-modal .grid-controls .btn-group { display: flex; gap: 8px; flex-wrap: wrap; }.calc-modal .grid-controls button {
    border: 1.5px dashed var(--calc-line); background: transparent; border-radius: 3px; padding: 6px 12px;
    cursor: pointer; font-size: 12px; color: var(--calc-slate);
  }.calc-modal .grid-controls button:hover { border-color: var(--calc-clay); color: var(--calc-clay); }/* --- options --- */
  .calc-modal .option-row { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--calc-line); }.calc-modal .option-row:last-child { border-bottom: none; }.calc-modal .option-row input[type="checkbox"] { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--calc-clay); flex-shrink: 0; }.calc-modal .option-text { flex: 1; }.calc-modal .option-name { font-weight: 600; font-size: 14px; }.calc-modal .option-desc { font-size: 12.5px; color: var(--calc-slate); margin-top: 2px; }.calc-modal .option-price { font-size: 13px; font-weight: 600; color: var(--calc-timber); white-space: nowrap; }/* --- summary --- */
  .calc-modal .summary { margin-top: 28px; background: var(--calc-bark); color: var(--calc-sand); border-radius: 4px; padding: 26px 28px; }.calc-modal .summary-line { display: flex; justify-content: space-between; font-size: 13.5px; padding: 7px 0; color: rgba(243,237,227,0.75); }.calc-modal .summary-line .dot { width: 9px; height: 9px; border-radius: 2px; display: inline-block; margin-right: 7px; }.calc-modal .summary-divider { border-top: 1px solid rgba(243,237,227,0.18); margin: 14px 0; }.calc-modal .summary-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 4px; }.calc-modal .summary-total .label { font-family: 'Fraunces', serif; font-size: 15px; }.calc-modal .summary-total .value { font-family: 'Fraunces', serif; font-size: 32px; font-weight: 500; color: var(--calc-timber-light); }.calc-modal .summary-meta { font-size: 12px; color: rgba(243,237,227,0.5); margin-top: 6px; }.calc-modal .empty-note { font-size: 13px; color: rgba(243,237,227,0.55); font-style: italic; }
  .calc-modal .calc-cta-btn {
    margin-top: 20px; width: 100%; min-height: 48px; padding: 13px 20px;
    background: var(--calc-timber-light); color: #1c1712; border: none; border-radius: 3px;
    font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.02em;
    cursor: pointer; transition: background .15s, opacity .15s;
  }
  .calc-modal .calc-cta-btn:hover:not(:disabled) { background: #dba374; }
  .calc-modal .calc-cta-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  /* --- готові планування (presets) --- */
  .calc-modal .presets-heading { margin-bottom: 12px; }
  .calc-modal .presets-title { display: block; font-family: 'Fraunces', serif; font-size: 16px; font-weight: 500; color: var(--calc-bark); }
  .calc-modal .presets-sub { display: block; font-size: 12px; color: var(--calc-slate); margin-top: 2px; }
  .calc-modal .presets-scroll { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .calc-modal .preset-card { border: 1.5px solid var(--calc-line); border-radius: 4px; background: var(--calc-grid-empty); padding: 10px; cursor: pointer; text-align: left; display: flex; flex-direction: column; gap: 6px; transition: border-color .15s; }
  .calc-modal .preset-card:hover { border-color: var(--calc-clay); }
  .calc-modal .preset-preview { display: grid; gap: 2px; background: var(--calc-line); border-radius: 2px; padding: 2px; width: 100%; aspect-ratio: 4/3; }
  .calc-modal .preset-preview-cell { border-radius: 1px; min-height: 0; min-width: 0; }
  .calc-modal .preset-info { display: flex; flex-direction: column; gap: 2px; }
  .calc-modal .preset-badge { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.05em; color: var(--calc-clay); text-transform: uppercase; }
  .calc-modal .preset-name { font-size: 13px; font-weight: 600; color: var(--calc-bark); }
  .calc-modal .preset-meta { font-size: 11.5px; color: var(--calc-slate); }
  .calc-modal .preset-meta.preset-price { font-size: 13px; font-weight: 700; color: var(--calc-timber); }
  .calc-modal .preset-pick-btn { margin-top: 4px; width: 100%; min-height: 36px; padding: 7px; font-size: 12px; font-weight: 600; border: 1px solid var(--calc-clay); border-radius: 3px; background: transparent; color: var(--calc-clay); cursor: pointer; transition: background .15s, color .15s; }
  .calc-modal .preset-pick-btn:hover { background: var(--calc-clay); color: #fff; }
  @media (max-width: 767px) {
    .calc-modal .presets-scroll { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 78%; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; margin: 0 -4px; padding-left: 4px; padding-right: 4px; }
    .calc-modal .preset-card { scroll-snap-align: start; }
    .calc-modal .preset-pick-btn { min-height: 44px; }
  }
  /* --- діалог підтвердження заміни плану --- */
  .preset-confirm-overlay { position: fixed; inset: 0; z-index: 250; background: rgba(20,17,12,0.55); display: none; align-items: center; justify-content: center; padding: 20px; }
  .preset-confirm-overlay.open { display: flex; }
  .preset-confirm-box { background: var(--calc-paper); border-radius: 4px; padding: 24px; max-width: 360px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
  .preset-confirm-box p { font-size: 14px; color: var(--calc-bark); line-height: 1.5; margin-bottom: 18px; }
  .preset-confirm-actions { display: flex; gap: 10px; }
  .preset-confirm-actions button { flex: 1; min-height: 44px; padding: 10px; border-radius: 3px; font-size: 13px; font-weight: 600; cursor: pointer; }
  .preset-confirm-cancel { border: 1px solid var(--calc-line); background: transparent; color: var(--calc-slate); }
  .preset-confirm-ok { border: 1px solid var(--calc-clay); background: var(--calc-clay); color: #fff; }