/* ── Variables ─────────────────────────────────────────────────────────── */
:root {
  --bg: #eef1f7;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-soft: #475569;
  --ink-mute: #94a3b8;
  --line: #e6eaf2;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --green: #16a34a;
  --green-soft: #ecfdf3;
  --amber: #b45309;
  --amber-soft: #fffbeb;
  --radius: 18px;
  --shadow: 0 18px 40px -22px rgba(15,23,42,0.35);
}
*,*::before,*::after { box-sizing: border-box; }
html,body { height:100%; margin:0; }
body {
  font-family: 'Inter','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Page wrapper ──────────────────────────────────────────────────────── */
.page {
  position: relative;
  width: 100%;
  padding: clamp(16px,2vw,32px) clamp(12px,2.4vw,44px) clamp(36px,4vw,64px);
  overflow: hidden;
}
.page__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .55;
  pointer-events: none;
  z-index: 0;
}
.page__glow--a { top:-140px; right:-80px; width:380px; height:380px; background:#c7d2fe; }
.page__glow--b { top:260px; left:-160px; width:340px; height:340px; background:#bbf7d0; }
.page > *:not(.page__glow) { position:relative; z-index:1; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: flex-end;
  justify-content: space-between;
  background: linear-gradient(125deg,#111827 0%,#1f2937 48%,#312e81 100%);
  color: #fff;
  padding: clamp(20px,2.4vw,34px) clamp(18px,2.6vw,38px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero__main { flex:1 1 380px; min-width:0; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #a5b4fc;
  font-weight: 600;
}
.hero__eyebrow .dot {
  width:8px; height:8px; border-radius:50%;
  background:#34d399;
  box-shadow:0 0 0 4px rgba(52,211,153,.18);
}
.hero__title {
  margin: 12px 0 6px;
  font-size: clamp(24px,3vw,44px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 800;
}
.hero__subtitle { margin:0; font-size:15px; color:#cbd5e1; font-weight:500; }
.hero__chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(170px,auto));
  gap: 10px;
}

/* ── Chips ─────────────────────────────────────────────────────────────── */
.chip {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(6px);
}
.chip--solid { background:#fff; border-color:#fff; color:var(--ink); }
.chip--solid .chip__label { color:var(--ink-mute); }
.chip--solid .chip__value { color:var(--accent); font-weight:800; }
.chip__label { font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:#9ca3af; font-weight:600; }
.chip__value { font-size:17px; font-weight:700; letter-spacing:-.01em; }

/* ── Info cards ────────────────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(190px,1fr));
  gap: 14px;
  margin-top: 18px;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 15px 18px;
  box-shadow: 0 10px 24px -20px rgba(15,23,42,.5);
  transition: transform .18s, box-shadow .18s;
}
.info-card:hover { transform:translateY(-3px); box-shadow:0 16px 30px -20px rgba(15,23,42,.55); }
.info-card--wide { grid-column: span 2; }
.info-card__label {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 700;
  margin-bottom: 7px;
}
.info-card__value {
  display: block;
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

/* ── Editable indicator ────────────────────────────────────────────────── */
.editable-hdr {
  cursor: pointer;
  border-radius: 6px;
  padding: 1px 4px;
  transition: background .15s, box-shadow .15s;
}
.editable-hdr:hover {
  background: rgba(79,70,229,.08);
  box-shadow: inset 0 0 0 2px rgba(79,70,229,.3);
}
.chip--solid .editable-hdr:hover {
  background: var(--accent-soft);
}
.hero .editable-hdr:hover {
  background: rgba(255,255,255,.12);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.3);
}

/* ── Panel ─────────────────────────────────────────────────────────────── */
.panel {
  margin-top: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg,#fbfcfe,#f6f8fc);
}
.panel__heading { display:flex; align-items:baseline; gap:12px; }
.panel__heading h2 { margin:0; font-size:18px; font-weight:750; letter-spacing:-.01em; }
.panel__count { font-size:12.5px; color:var(--ink-mute); font-weight:600; }
.panel__actions { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  padding: 8px 18px;
  border: none;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  white-space: nowrap;
  font-family: inherit;
}
.btn:active { transform:scale(0.97); }
.btn--primary { background:var(--accent); color:#fff; box-shadow:0 8px 20px -10px rgba(79,70,229,.7); }
.btn--primary:hover { opacity:.88; }
.btn--ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1.5px solid var(--line);
}
.btn--ghost:hover { background:var(--accent-soft); color:var(--accent); border-color:var(--accent); }

/* ── Search ─────────────────────────────────────────────────────────────── */
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--ink-mute);
  min-width: 270px;
  transition: border-color .15s, box-shadow .15s;
  cursor: text;
}
.search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  color: var(--accent);
}
.search input {
  border: 0; outline: 0;
  background: transparent;
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  width: 100%;
}
.search input::placeholder { color:var(--ink-mute); }

/* ── Table ──────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

.sheet {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  font-size: clamp(12.5px,.92vw,15px);
}

.sheet thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: #111827;
  color: #e2e8f0;
  font-weight: 650;
  text-align: center;
  padding: 12px;
  border-right: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  letter-spacing: .02em;
}
.sheet thead tr:first-child th {
  background: linear-gradient(180deg,#1f2937,#111827);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #a5b4fc;
}
.sheet thead .sub { background:#1f2937; font-size:12.5px; color:#cbd5e1; }
.sheet thead .sub--req { text-align:left; }
.sheet thead .group--qty { color:#6ee7b7; }
.sheet thead .sub--num { min-width:42px; }

/* ── Cells ──────────────────────────────────────────────────────────────── */
.sheet tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  vertical-align: middle;
  background: #fff;
  transition: background .15s;
}
.sheet tbody td:last-child { border-right:0; }
.sheet tbody tr:nth-child(even) td { background:#fafbfe; }
.sheet tbody tr:hover td { background:#f1f5f9; }

.cell.clause {
  text-align: center;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft) !important;
  overflow-wrap: anywhere;
}
.cell.req { font-weight:550; color:var(--ink); line-height:1.4; }
.cell.center { text-align:center; color:var(--ink-soft); font-weight:600; overflow-wrap:anywhere; }
.cell.num {
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: .9em;
  padding-left: 4px;
  padding-right: 4px;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.cell.result {
  text-align: center;
  font-weight: 650;
  color: #166534;
  background: var(--green-soft) !important;
  letter-spacing: .01em;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-size: .94em;
}

/* ── Row tones ──────────────────────────────────────────────────────────── */
tr.tone-info td.cell.num { background:#eef2ff !important; color:#3730a3; }
tr.tone-warn td.cell.num { background:var(--amber-soft) !important; color:var(--amber); font-weight:750; }
tr.tone-ok .cell.result  { background:#dcfce7 !important; color:#15803d; font-weight:750; }

/* ── Editable cells ─────────────────────────────────────────────────────── */
.cell.is-editable { cursor:pointer; }
.cell.is-editable:hover { background:#eef2ff !important; box-shadow:inset 0 0 0 2px rgba(79,70,229,.3); }

/* ── Empty row ──────────────────────────────────────────────────────────── */
.empty {
  text-align: center;
  color: var(--ink-mute);
  padding: 34px 12px !important;
  font-weight: 600;
}

/* ── Hidden search rows ─────────────────────────────────────────────────── */
.data-row.hidden { display:none; }

/* ── Modal ──────────────────────────────────────────────────────────────── */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.open { display:flex; }
.modal__box {
  background: var(--surface);
  border-radius: 16px;
  width: min(480px,100%);
  box-shadow: 0 24px 60px -20px rgba(15,23,42,.5);
  overflow: hidden;
  animation: slideUp .18s ease;
}
@keyframes slideUp {
  from { transform:translateY(20px); opacity:0; }
  to   { transform:translateY(0);    opacity:1; }
}
.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(125deg,#111827,#1f2937);
  color: #fff;
  padding: 16px 20px;
}
.modal__title { font-weight:700; font-size:15px; }
.modal__close {
  background:none; border:none; color:#9ca3af;
  font-size:18px; cursor:pointer; line-height:1; padding:0 4px;
}
.modal__close:hover { color:#fff; }
.modal__body { padding:20px 20px 12px; display:flex; flex-direction:column; gap:8px; }
.form-field__label { font-size:12px; color:var(--ink-soft); font-weight:700; }
.form-field__input {
  padding: 10px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border .15s, box-shadow .15s;
  width: 100%;
}
.form-field__input:focus { border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); }
.modal__foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px 18px;
}

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: #111827;
  color: #fff;
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 300;
  white-space: nowrap;
}
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* ── Toolbar badges ──────────────────────────────────────────────────────── */
.edit-badge {
  margin-left: 8px;
  font-size: 11px;
  font-weight: 750;
  color: var(--amber);
  background: var(--amber-soft);
  border: 1px solid #fde68a;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.gen-badge {
  margin-left: 8px;
  font-size: 11px;
  font-weight: 750;
  color: #15803d;
  background: var(--green-soft);
  border: 1px solid #bbf7d0;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.btn--reset { background:#fff; color:#b91c1c; border-color:#fecaca; font-size:12.5px; padding:8px 14px; }
.btn--reset:hover { background:#fef2f2; color:#b91c1c; border-color:#fca5a5; }

/* ── Generate dialog: "Fill the batch details" ───────────────────────────── */
.modal--form.open { display:block; overflow-y:auto; }
.modal__box--form {
  width: min(1080px, calc(100% - 24px));
  margin: 24px auto;
  padding: 18px 22px 14px;
  border-radius: 18px;
}
.modal__head--form {
  background: #fff;
  color: var(--ink);
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 0;
}
.modal__kicker {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 750;
}
.modal__box--form .modal__title {
  margin: 6px 0 3px;
  font-size: 19px;
  font-weight: 750;
  letter-spacing: -.01em;
  color: var(--ink);
}
.modal__sub { margin: 0; font-size: 12.5px; color: var(--ink-mute); font-weight: 600; }

.form-scroll { display: grid; gap: 12px; margin-top: 14px; }
.form-group { border: 0; margin: 0; padding: 0; min-width: 0; }
.form-group__legend {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 800;
  padding: 0;
  margin-bottom: 6px;
}

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.form-grid--8 { grid-template-columns: repeat(8, minmax(0,1fr)); }   /* the 8 sample columns */
.form-grid--many { grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); }
.form-grid:not(.form-grid--8):not(.form-grid--many) { max-width: 640px; }
.form-field { display: block; min-width: 0; }
.form-field--wide { grid-column: 1 / -1; }

.modal__box--form .form-field__label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.form-field--sample .form-field__label {
  text-align: center;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 6px;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}
.form-field--sample .form-field__input {
  text-align: center;
  font-weight: 750;
  padding: 9px 4px;
}
.modal__box--form .form-field__input { background: #fbfcfe; font-weight: 650; }

.modal__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.modal__hint { font-size: 11.5px; color: var(--ink-mute); font-weight: 600; }
.modal__buttons { display: flex; gap: 10px; margin-left: auto; }

@media (max-width: 1023px) {
  .form-grid--8 { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .form-grid--many { grid-template-columns: repeat(auto-fit, minmax(170px,1fr)); }
}
@media (max-width: 640px) {
  .form-grid, .form-grid--many { grid-template-columns: 1fr; }
  .form-grid--8 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .modal__box--form { width: 100%; margin: 12px auto; padding: 16px 14px 12px; }
  .modal__buttons { margin-left: 0; }
}