/* ChrysoKit . VAT Calculator . styles . 20260509g */

/* ---------- Tokens ---------- */
.vat-app {
  --ck-primary:   var(--color-sage,    #7C9473);
  --ck-primary-2: var(--color-sage-d,  #5C7A52);
  --ck-accent:    var(--color-terra,   #D4A373);
  --ck-accent-2:  var(--color-terra-d, #B07A48);
  --ck-bg:        var(--surface,       #fff);
  --ck-bg-2:      var(--surface-2,     #FAF6E8);
  --ck-text:      var(--text,          #2A2620);
  --ck-muted:     var(--muted,         #6B6357);
  --ck-border:    var(--border,        #E7DFC9);
  --ck-shadow:    0 1px 2px rgba(20,15,5,.04), 0 8px 24px -12px rgba(20,15,5,.10);
  --ck-shadow-lg: 0 4px 8px rgba(20,15,5,.06), 0 24px 48px -16px rgba(20,15,5,.18);
  --r-sm: 8px; --r-md: 12px; --r-lg: 18px;
}
[data-theme="dark"] .vat-app {
  --ck-bg:     #211C18;
  --ck-bg-2:   #1A1612;
  --ck-text:   #F2EBDA;
  --ck-muted:  #B6AB95;
  --ck-border: #34291F;
  --ck-shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.55);
  --ck-shadow-lg: 0 4px 8px rgba(0,0,0,.5), 0 24px 48px -16px rgba(0,0,0,.7);
}

/* ---------- Layout ---------- */
.vat-app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  margin-top: 24px;
  align-items: start;
  color: var(--ck-text);
}
@media (max-width: 1024px) { .vat-app { grid-template-columns: 1fr; } }
.vat-card { display: grid; gap: 20px; min-width: 0; }

/* ---------- Card base ---------- */
.vat-app .card {
  background: var(--ck-bg);
  border: 1px solid var(--ck-border);
  border-radius: var(--r-lg);
  padding: 22px;
  box-shadow: var(--ck-shadow);
}
.vat-app .card-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.02rem; font-weight: 700;
  margin: 0 0 14px;
  color: var(--ck-text);
}
.vat-app .card-title svg { width: 18px; height: 18px; opacity: .85; }

/* ---------- Mode tabs ---------- */
.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--ck-bg-2);
  padding: 6px;
  border-radius: var(--r-md);
  border: 1px solid var(--ck-border);
  margin-bottom: 20px;
}
.mode-tab {
  border: 0; background: transparent;
  padding: 12px 8px;
  border-radius: var(--r-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  font-size: .9rem;
  color: var(--ck-muted);
  transition: background .15s, color .15s, transform .12s;
}
.mode-tab:hover { color: var(--ck-text); }
.mode-tab svg { width: 18px; height: 18px; }
.mode-tab .mode-sub {
  font-size: .72rem; font-weight: 500;
  color: inherit; opacity: .7;
  text-transform: lowercase; letter-spacing: .02em;
}
.mode-tab.is-active {
  background: var(--ck-bg);
  color: var(--ck-primary);
  box-shadow: 0 1px 3px rgba(20,15,5,.12);
}
.mode-tab.is-active .mode-sub { opacity: .9; color: var(--ck-muted); }
@media (max-width: 480px) {
  .mode-tab { padding: 10px 4px; font-size: .8rem; }
  .mode-tab .mode-sub { display: none; }
}

/* ---------- Fields ---------- */
.vat-inputs { display: grid; gap: 14px; }
.vat-app .field > label {
  display: block;
  font-size: .82rem; font-weight: 600;
  color: var(--ck-muted);
  margin-bottom: 6px;
  letter-spacing: .01em;
}
.vat-app .field-row {
  display: flex; align-items: stretch;
  background: var(--ck-bg-2);
  border: 1px solid var(--ck-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.vat-app .field-row:focus-within {
  border-color: var(--ck-primary);
  box-shadow: 0 0 0 3px rgba(124,148,115,.18);
}
.vat-app .field-row .prefix,
.vat-app .field-row .suffix {
  padding: 0 14px;
  display: flex; align-items: center;
  font-weight: 700; color: var(--ck-muted);
  background: transparent;
}
.vat-app .field-row .prefix { border-right: 1px solid var(--ck-border); }
.vat-app .field-row .suffix { border-left: 1px solid var(--ck-border); }
.vat-app .field-row input {
  flex: 1; min-width: 0;
  border: 0; outline: none;
  padding: 10px 12px;
  background: transparent;
  color: var(--ck-text);
  font: 600 .98rem inherit;
}
.vat-app .field-row.big {
  background: linear-gradient(135deg, var(--ck-bg-2) 0%, var(--ck-bg) 100%);
  border-width: 2px;
}
.vat-app .field-row.big .prefix {
  font-size: 1.4rem;
  padding: 0 18px;
  color: var(--ck-primary);
}
.vat-app .field-row.big input {
  font-size: 1.6rem; font-weight: 800;
  padding: 16px 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.vat-app .field input::-webkit-outer-spin-button,
.vat-app .field input::-webkit-inner-spin-button { appearance: none; margin: 0; }
.vat-app .field input[type="number"] { appearance: textfield; }
.vat-app .field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.vat-app .field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--ck-border);
  background: var(--ck-bg-2);
  color: var(--ck-text);
  font: 600 .92rem inherit;
}

/* ---------- Result rows ---------- */
.vat-results {
  margin-top: 20px;
  display: grid; gap: 8px;
}
.result-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--ck-border);
  background: var(--ck-bg-2);
  position: relative;
  overflow: hidden;
}
.result-row::before {
  content: ""; position: absolute;
  left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--ck-primary);
}
.result-row.r-tax::before { background: var(--ck-accent); }
.result-row.r-gross {
  background: linear-gradient(135deg, var(--ck-primary) 0%, var(--ck-primary-2) 100%);
  color: #fff;
  border-color: transparent;
}
.result-row.r-gross::before { background: rgba(255,255,255,.5); }
.result-row.r-gross .r-label { color: rgba(255,255,255,.85); }
.r-label { font-size: .88rem; font-weight: 600; color: var(--ck-muted); display: flex; align-items: center; gap: 8px; }
.r-rate {
  font-size: .72rem;
  background: var(--ck-bg);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--ck-text);
  border: 1px solid var(--ck-border);
}
.r-gross .r-rate { background: rgba(255,255,255,.2); color: #fff; border-color: transparent; }
.r-value {
  font-size: 1.45rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}
.result-row.r-gross .r-value { font-size: 1.6rem; }

/* ---------- 3D split bar ---------- */
.split-wrap { margin-top: 22px; }
.split-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
  font-size: .85rem; color: var(--ck-muted); font-weight: 600;
}
.split-head svg { width: 14px; height: 14px; vertical-align: -2px; }
.split-pct { font-variant-numeric: tabular-nums; }

.split-bar {
  display: flex;
  height: 56px;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,.12), 0 6px 14px -8px rgba(20,15,5,.30);
  border: 1px solid var(--ck-border);
  background: var(--ck-bg-2);
}
.split-net, .split-vat {
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .92rem;
  letter-spacing: .02em;
  transition: width .45s cubic-bezier(.2,.8,.2,1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.split-net {
  background: linear-gradient(180deg, var(--ck-primary) 0%, var(--ck-primary-2) 100%);
}
.split-vat {
  background: linear-gradient(180deg, var(--ck-accent) 0%, var(--ck-accent-2) 100%);
}
.split-net::after, .split-vat::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,.20), rgba(255,255,255,0));
  pointer-events: none;
}
.split-net span, .split-vat span {
  position: relative; z-index: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.split-axis {
  display: flex; justify-content: space-between;
  margin-top: 6px;
  font-size: .76rem; color: var(--ck-muted); font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- Action row ---------- */
.actions-row {
  display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap;
}
.actions-row .btn { flex: 1; min-width: 0; justify-content: center; }
.btn.sm { padding: 8px 12px; font-size: .85rem; }

/* ---------- Ladder (rate compare) ---------- */
.hint { font-size: .85rem; color: var(--ck-muted); margin: -4px 0 12px; }
.ladder { display: grid; gap: 8px; }
.ladder-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--ck-bg-2);
  border: 1px solid var(--ck-border);
  border-radius: var(--r-md);
  transition: transform .12s;
}
.ladder-row:hover { transform: translateY(-1px); }
.ladder-row.is-current {
  background: linear-gradient(135deg, var(--ck-primary) 0%, var(--ck-primary-2) 100%);
  border-color: transparent;
  color: #fff;
}
.ladder-row.is-current .lr-mini { background: rgba(255,255,255,.25); }
.lr-rate {
  font-weight: 800;
  font-size: 1rem;
  text-align: center;
  padding: 4px 0;
  border-radius: var(--r-sm);
  background: var(--ck-bg);
  border: 1px solid var(--ck-border);
}
.ladder-row.is-current .lr-rate { background: rgba(255,255,255,.2); border-color: transparent; color: #fff; }
.lr-mini {
  height: 10px; border-radius: 999px;
  background: var(--ck-bg);
  position: relative; overflow: hidden;
}
.lr-mini i {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--ck-accent), var(--ck-accent-2));
  display: block;
  transition: width .35s ease;
}
.lr-amount { font-weight: 700; font-variant-numeric: tabular-nums; font-size: .95rem; }

/* ---------- Invoice ---------- */
.invoice-head {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  margin-bottom: 4px;
}
.invoice-head .card-title { margin: 0; }
.btn-primary {
  background: var(--ck-primary);
  color: #fff;
  border: 0;
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-weight: 600;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, transform .12s;
}
.btn-primary:hover { background: var(--ck-primary-2); }
.btn-primary svg { width: 16px; height: 16px; }

.inv-table-wrap {
  margin-top: 14px;
  border: 1px solid var(--ck-border);
  border-radius: var(--r-md);
  overflow: auto;
}
.inv-table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 640px; }
.inv-table thead th {
  background: var(--ck-bg-2);
  text-align: left;
  padding: 10px 12px;
  font-size: .74rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
  color: var(--ck-muted);
  border-bottom: 1px solid var(--ck-border);
}
.inv-table thead th.num { text-align: right; }
.inv-table tbody td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--ck-border);
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
}
.inv-table tbody td.num { text-align: right; font-weight: 600; }
.inv-table tbody tr:last-child td { border-bottom: 0; }
.inv-table tbody input {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  color: var(--ck-text);
  font: inherit;
  font-variant-numeric: tabular-nums;
}
.inv-table tbody input.num { text-align: right; }
.inv-table tbody input:hover { background: var(--ck-bg-2); }
.inv-table tbody input:focus {
  outline: none;
  background: var(--ck-bg-2);
  border-color: var(--ck-primary);
  box-shadow: 0 0 0 3px rgba(124,148,115,.18);
}
.inv-del {
  border: 0; background: transparent;
  color: var(--ck-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--r-sm);
  display: inline-flex;
}
.inv-del:hover { color: #c0392b; background: var(--ck-bg-2); }
.inv-del svg { width: 16px; height: 16px; }
.inv-table tfoot td {
  background: var(--ck-bg-2);
  padding: 12px;
  font-weight: 800;
  font-size: 1rem;
  border-top: 2px solid var(--ck-border);
  font-variant-numeric: tabular-nums;
}
.inv-table tfoot td.num { text-align: right; }
.inv-table tfoot .tot-label { text-align: right; color: var(--ck-muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; }

/* Prose */
.prose { font-size: .92rem; color: var(--ck-text); line-height: 1.55; margin: 0 0 10px; }
.prose-list {
  margin: 8px 0 0;
  padding-left: 0;
  list-style: none;
  display: grid; gap: 6px;
}
.prose-list li {
  font-size: .88rem;
  color: var(--ck-muted);
  padding: 8px 12px;
  background: var(--ck-bg-2);
  border-radius: var(--r-sm);
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
.prose-list li strong { color: var(--ck-text); font-weight: 700; }