/* ════════════════════════════════════════════════════════════════════
   BATCH SETUP OVERLAY — quantity-first start screen
   Editorial design matching index.html aesthetic.
   ════════════════════════════════════════════════════════════════════ */

#bs-overlay {
  position: fixed;
  inset: 0;
  z-index: 9995;
  background: radial-gradient(900px 600px at 70% 10%, color-mix(in srgb, var(--accent-200, #DDCFAE) 22%, transparent), transparent 65%),
              radial-gradient(700px 500px at 15% 90%, color-mix(in srgb, var(--sage-200, #C8D6CB) 18%, transparent), transparent 60%),
              var(--paper, #FCFCFB);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 16px;
  overflow-y: auto;
  font-family: 'Tajawal', 'Readex Pro', system-ui, sans-serif;
  direction: rtl;
  animation: bs-fade 0.32s cubic-bezier(0.21, 0.61, 0.35, 1) both;
}
@keyframes bs-fade {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}
[data-theme="dark"] #bs-overlay {
  background: radial-gradient(900px 600px at 70% 10%, rgba(167,135,88,0.12), transparent 65%),
              radial-gradient(700px 500px at 15% 90%, rgba(74,107,92,0.08), transparent 60%),
              #0E0E0C;
}

.bs-panel {
  width: 100%;
  max-width: 720px;
  background: var(--paper-2, #FFFFFF);
  border: 1px solid var(--ink-100, #EEEFF1);
  border-radius: 20px;
  box-shadow: 0 40px 80px rgba(15, 16, 20, 0.10), 0 6px 18px rgba(15, 16, 20, 0.04);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 92vh;
}
[data-theme="dark"] .bs-panel {
  background: #1C1D22;
  border-color: #2A2B31;
}

/* ── Head ─────────────────────────────────────────────────────────── */
.bs-head {
  padding: 30px 36px 24px;
  background: linear-gradient(135deg, #FBF6E9 0%, var(--paper-2, #FFFFFF) 100%);
  border-bottom: 1px solid var(--ink-100, #EEEFF1);
  position: relative;
}
[data-theme="dark"] .bs-head {
  background: linear-gradient(135deg, rgba(167,135,88,0.08), #1C1D22);
  border-bottom-color: #2A2B31;
}

.bs-head-product {
  position: absolute;
  top: 24px;
  inset-inline-end: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border-radius: 100px;
  background: var(--paper-2, #FFFFFF);
  border: 1px solid var(--ink-150, #E5E6E9);
}
[data-theme="dark"] .bs-head-product {
  background: rgba(255,255,255,0.04);
  border-color: #3A3B42;
}
.bs-head-icon {
  font-size: 20px;
  line-height: 1;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink-50, #F6F7F8);
  display: grid;
  place-items: center;
}
.bs-head-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-700, #44464E);
  letter-spacing: 0.08em;
}
[data-theme="dark"] .bs-head-code { color: #BCBEC4; }

.bs-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-700, #6F5938);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
[data-theme="dark"] .bs-eyebrow { color: var(--accent-400, #B89E68); }

.bs-title {
  font-family: 'Instrument Serif', 'Readex Pro', serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink-950, #0F1014);
  margin: 0 0 12px;
  max-width: 88%;
}
.bs-title em {
  font-style: italic;
  color: var(--accent-700, #6F5938);
}
[data-theme="dark"] .bs-title { color: #ECECEE; }
[data-theme="dark"] .bs-title em { color: var(--accent-300, #C9B484); }

.bs-sub {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-600, #5C5F68);
  margin: 0;
  max-width: 60ch;
}
[data-theme="dark"] .bs-sub { color: #BCBEC4; }

/* ── Body ─────────────────────────────────────────────────────────── */
.bs-body {
  padding: 24px 36px;
  overflow-y: auto;
  flex: 1;
}

.bs-kg-section {
  margin-bottom: 22px;
}

.bs-field-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-500, #797C85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.bs-field-label-sm {
  display: block;
  font-family: 'Tajawal', sans-serif;
  font-size: 12px;
  color: var(--ink-600, #5C5F68);
  margin-bottom: 8px;
}

.bs-input-wrap {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

#bs-kg-input {
  flex: 1;
  font-family: 'Instrument Serif', serif;
  font-size: clamp(48px, 7vw, 72px);
  font-weight: 400;
  text-align: center;
  border: 2px solid var(--ink-150, #E5E6E9);
  border-radius: 14px;
  background: var(--paper, #FCFCFB);
  color: var(--ink-950, #0F1014);
  padding: 16px 20px;
  letter-spacing: -0.025em;
  line-height: 1.1;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  font-variant-numeric: tabular-nums;
  width: 100%;
}
#bs-kg-input:focus {
  border-color: var(--accent-500, #A78758);
  box-shadow: 0 0 0 4px rgba(167, 135, 88, 0.15);
  background: var(--paper-2, #FFFFFF);
}
[data-theme="dark"] #bs-kg-input {
  background: rgba(255,255,255,0.03);
  border-color: #3A3B42;
  color: #ECECEE;
}
[data-theme="dark"] #bs-kg-input:focus {
  background: rgba(255,255,255,0.06);
  border-color: var(--accent-500, #A78758);
}

.bs-input-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: var(--ink-500, #797C85);
  font-weight: 500;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

@keyframes bs-shake {
  0%, 100% { transform: none; }
  25% { transform: translateX(8px); }
  75% { transform: translateX(-8px); }
}
.bs-shake { animation: bs-shake 0.35s ease-in-out; }

/* Presets */
.bs-presets {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  margin-top: 14px;
}
@media (max-width: 560px) {
  .bs-presets { grid-template-columns: repeat(3, 1fr); }
}
.bs-preset {
  padding: 10px 8px;
  border: 1px solid var(--ink-150, #E5E6E9);
  border-radius: 10px;
  background: var(--paper-2, #FFFFFF);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-700, #44464E);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
  letter-spacing: 0.02em;
}
.bs-preset:hover {
  background: var(--ink-50, #F6F7F8);
  border-color: var(--ink-200, #D8D9DD);
  color: var(--ink-950, #0F1014);
  transform: translateY(-1px);
}
.bs-preset.active {
  background: var(--ink-900, #1C1D22);
  border-color: var(--ink-900, #1C1D22);
  color: #FCFCFB;
  font-weight: 600;
}
[data-theme="dark"] .bs-preset {
  background: rgba(255,255,255,0.03);
  border-color: #3A3B42;
  color: #BCBEC4;
}
[data-theme="dark"] .bs-preset:hover {
  background: rgba(255,255,255,0.06);
  color: #ECECEE;
}
[data-theme="dark"] .bs-preset.active {
  background: #ECECEE;
  border-color: #ECECEE;
  color: var(--ink-950, #0F1014);
}

/* Type selection */
.bs-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}
@media (max-width: 560px) {
  .bs-types { grid-template-columns: 1fr; }
}
.bs-type-btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border: 1.5px solid var(--ink-150, #E5E6E9);
  border-radius: 14px;
  background: var(--paper-2, #FFFFFF);
  text-align: start;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  font-family: inherit;
}
.bs-type-btn:hover {
  border-color: var(--ink-300, #BCBEC4);
  transform: translateY(-1px);
}
.bs-type-btn.active {
  border-color: var(--accent-500, #A78758);
  background: linear-gradient(135deg, #FBF6E9, var(--paper-2, #FFFFFF));
  box-shadow: 0 0 0 3px rgba(167, 135, 88, 0.1);
}
[data-theme="dark"] .bs-type-btn {
  background: rgba(255,255,255,0.03);
  border-color: #3A3B42;
}
[data-theme="dark"] .bs-type-btn.active {
  background: rgba(167, 135, 88, 0.12);
  border-color: var(--accent-500, #A78758);
}
.bs-type-mark {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
}
.bs-type-content { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.bs-type-name {
  font-family: 'Readex Pro', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-950, #0F1014);
  letter-spacing: -0.005em;
}
.bs-type-sub {
  font-size: 11.5px;
  color: var(--ink-500, #797C85);
  line-height: 1.5;
}
[data-theme="dark"] .bs-type-name { color: #ECECEE; }
[data-theme="dark"] .bs-type-sub { color: #BCBEC4; }

/* Advanced */
.bs-advanced {
  margin-bottom: 22px;
  border: 1px solid var(--ink-100, #EEEFF1);
  border-radius: 12px;
  background: var(--ink-50, #F6F7F8);
}
[data-theme="dark"] .bs-advanced {
  background: rgba(255,255,255,0.02);
  border-color: #2A2B31;
}
.bs-advanced summary {
  padding: 12px 18px;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-600, #5C5F68);
  list-style: none;
  letter-spacing: 0.03em;
  user-select: none;
}
.bs-advanced summary::before {
  content: '+';
  font-family: monospace;
  margin-inline-end: 8px;
  display: inline-block;
  transition: transform 0.2s;
  color: var(--ink-400);
}
.bs-advanced[open] summary::before { content: '−'; }
.bs-advanced-inner {
  padding: 0 18px 16px;
}
#bs-name-input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--ink-150, #E5E6E9);
  border-radius: 10px;
  background: var(--paper-2, #FFFFFF);
  font-family: inherit;
  font-size: 13px;
  color: var(--ink-900, #1C1D22);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
#bs-name-input:focus {
  border-color: var(--accent-500, #A78758);
  box-shadow: 0 0 0 3px rgba(167, 135, 88, 0.12);
}
[data-theme="dark"] #bs-name-input {
  background: rgba(255,255,255,0.03);
  border-color: #3A3B42;
  color: #ECECEE;
}

/* Live preview */
.bs-preview { margin-bottom: 18px; }
.bs-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--ink-100, #EEEFF1);
  border: 1px solid var(--ink-100, #EEEFF1);
  border-radius: 12px;
  overflow: hidden;
}
[data-theme="dark"] .bs-preview-grid {
  background: #2A2B31;
  border-color: #2A2B31;
}
.bs-preview-stat {
  background: var(--paper-2, #FFFFFF);
  padding: 14px 16px;
}
[data-theme="dark"] .bs-preview-stat { background: #1C1D22; }
.bs-preview-stat-highlight {
  background: linear-gradient(135deg, #FBF6E9, var(--paper-2, #FFFFFF));
}
[data-theme="dark"] .bs-preview-stat-highlight {
  background: linear-gradient(135deg, rgba(167,135,88,0.12), #1C1D22);
}
.bs-preview-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-500, #797C85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.bs-preview-val {
  font-family: 'Instrument Serif', serif;
  font-size: 24px;
  font-weight: 400;
  color: var(--ink-950, #0F1014);
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.bs-preview-val span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-400, #9A9DA5);
  font-weight: 500;
  margin-inline-start: 4px;
  letter-spacing: 0.04em;
}
[data-theme="dark"] .bs-preview-val { color: #ECECEE; }
.bs-preview-sub {
  font-size: 10.5px;
  color: var(--ink-500, #797C85);
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

/* Market bands strip */
.bs-market {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--ink-50, #F6F7F8);
  border: 1px solid var(--ink-100, #EEEFF1);
  border-radius: 12px;
}
[data-theme="dark"] .bs-market {
  background: rgba(255,255,255,0.02);
  border-color: #2A2B31;
}
.bs-market-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-500, #797C85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.bs-market-label b {
  color: var(--ink-900, #1C1D22);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
[data-theme="dark"] .bs-market-label b { color: #ECECEE; }
.bs-market-bands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.bs-market-band {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid;
}
.bs-market-band.basic   { color: #3B5C2C; background: #EEF4EC; border-color: #B9D0AE; }
.bs-market-band.premium { color: var(--accent-800, #524229); background: #FBF6E9; border-color: var(--accent-300, #C9B484); }
.bs-market-band.luxury  { color: #7B2A19; background: #F8E8E4; border-color: #E3B5A8; }
[data-theme="dark"] .bs-market-band.basic { background: rgba(88,132,63,0.1); color: #B9D0AE; }
[data-theme="dark"] .bs-market-band.premium { background: rgba(167,135,88,0.12); color: var(--accent-300, #C9B484); }
[data-theme="dark"] .bs-market-band.luxury { background: rgba(168,52,30,0.1); color: #E3B5A8; }

/* ── Footer ───────────────────────────────────────────────────────── */
.bs-foot {
  padding: 18px 30px 22px;
  border-top: 1px solid var(--ink-100, #EEEFF1);
  background: var(--ink-50, #F6F7F8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
[data-theme="dark"] .bs-foot {
  background: #15161A;
  border-top-color: #2A2B31;
}

.bs-back, .bs-skip {
  padding: 11px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-600, #5C5F68);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.bs-back:hover, .bs-skip:hover {
  background: var(--paper-2, #FFFFFF);
  color: var(--ink-950, #0F1014);
  border-color: var(--ink-150, #E5E6E9);
}
.bs-back-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  margin-inline-end: 4px;
  color: var(--ink-400, #9A9DA5);
}
[data-theme="dark"] .bs-back, [data-theme="dark"] .bs-skip { color: #9A9DA5; }
[data-theme="dark"] .bs-back:hover, [data-theme="dark"] .bs-skip:hover {
  background: rgba(255,255,255,0.06);
  color: #ECECEE;
}

.bs-skip {
  font-size: 11.5px;
  color: var(--ink-500, #797C85);
}

.bs-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--ink-900, #1C1D22);
  color: #FCFCFB;
  border: 1px solid var(--ink-900, #1C1D22);
  border-radius: 12px;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.2s, background 0.2s;
  margin-inline-start: auto;
  letter-spacing: -0.005em;
}
.bs-go:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(15, 16, 20, 0.22);
  background: #000;
}
.bs-go:active { transform: translateY(0); }
.bs-go-arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  line-height: 1;
}
[data-theme="dark"] .bs-go {
  background: #ECECEE;
  border-color: #ECECEE;
  color: var(--ink-950, #0F1014);
}
[data-theme="dark"] .bs-go:hover { background: #fff; }

/* ── Mobile ────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  #bs-overlay { padding: 2vh 12px; align-items: flex-start; }
  .bs-panel { max-height: none; }
  .bs-head { padding: 24px 22px 18px; }
  .bs-head-product { top: 18px; inset-inline-end: 18px; padding: 5px 10px 5px 6px; }
  .bs-head-icon { font-size: 16px; width: 24px; height: 24px; }
  .bs-head-code { font-size: 10px; }
  .bs-title { font-size: 24px; max-width: 100%; }
  .bs-sub { font-size: 13px; }
  .bs-body { padding: 18px 22px; }
  .bs-foot { padding: 14px 18px 18px; flex-direction: column; align-items: stretch; }
  .bs-foot > * { width: 100%; justify-content: center; }
  .bs-go { order: -1; }
}