.nkf-wrap {
  font-family: 'Jost', sans-serif;
  --nkf-bg: #150f2e;
  --nkf-card: #1e1745;
  --nkf-card-soft: rgba(255,255,255,.04);
  --nkf-border: rgba(255,255,255,.10);
  --nkf-ink: #f4f1ff;
  --nkf-ink-dim: #b8b0e0;
  --nkf-gold: #e6b95c;
  --nkf-gold-soft: rgba(230,185,92,.15);
  --nkf-danger: #e2574c;
  max-width: 720px;
  margin: 0 auto;
  color: var(--nkf-ink);
}
.nkf-wrap * { box-sizing: border-box; }

.nkf-card {
  background: linear-gradient(180deg, var(--nkf-card) 0%, var(--nkf-bg) 100%);
  border: 1px solid var(--nkf-border);
  border-radius: 18px;
  padding: 28px 26px 22px;
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}

.nkf-title {
  margin: 0 0 4px;
  font-size: 26px;
  font-weight: 700;
  color: var(--nkf-ink) !important;
}
.nkf-subtitle {
  margin: 0 0 22px;
  color: var(--nkf-ink-dim);
  font-size: 14px;
  line-height: 1.5;
}

.nkf-form { display: flex; flex-direction: column; gap: 16px; }
.nkf-field { display: flex; flex-direction: column; gap: 6px; }
.nkf-field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.nkf-field-row .nkf-field { flex: 1; min-width: 140px; }
.nkf-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--nkf-ink-dim);
}
.nkf-optional { font-weight: 400; opacity: .7; }

.nkf-manual-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--nkf-ink-dim);
  cursor: pointer;
  margin-top: -6px;
}
.nkf-manual-toggle input { width: auto; margin: 0; }

.nkf-wrap input[type="text"],
.nkf-wrap select {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--nkf-border);
  border-radius: 10px;
  color: var(--nkf-ink);
  padding: 10px 12px;
  font-size: 14.5px;
  font-family: inherit;
  width: 100%;
}
.nkf-wrap input[type="text"]:focus,
.nkf-wrap select:focus {
  outline: none;
  border-color: var(--nkf-gold);
  box-shadow: 0 0 0 3px var(--nkf-gold-soft);
}
.nkf-wrap input[type="text"]::placeholder { color: rgba(244,241,255,.35); }

.nkf-date-row, .nkf-time-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.nkf-date-row select { flex: 1; min-width: 0; }
.nkf-time-row select { flex: 1; min-width: 0; }
.nkf-time-sep { color: var(--nkf-ink-dim); font-weight: 600; }

.nkf-field-hint {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--nkf-ink-dim);
  opacity: .85;
}

.nkf-autocomplete { position: relative; }
.nkf-suggestions {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  z-index: 20;
  background: var(--nkf-card);
  border: 1px solid var(--nkf-border);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0,0,0,.4);
  max-height: 260px;
  overflow-y: auto;
}
.nkf-suggestion-item {
  padding: 9px 14px;
  font-size: 13.5px;
  color: var(--nkf-ink);
  cursor: pointer;
}
.nkf-suggestion-item:hover,
.nkf-suggestion-item:active {
  background: var(--nkf-gold-soft);
}
.nkf-suggestion-item + .nkf-suggestion-item { border-top: 1px solid var(--nkf-border); }

.nkf-error {
  background: rgba(226,87,76,.12);
  border: 1px solid rgba(226,87,76,.4);
  color: #ff9a91;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13.5px;
  margin: 0;
}

.nkf-btn-primary {
  background: linear-gradient(135deg, var(--nkf-gold), #c9932f);
  color: #2a1c00;
  border: none;
  border-radius: 12px;
  padding: 13px 20px;
  font-size: 15.5px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
  transition: transform .08s ease, box-shadow .15s ease;
}
.nkf-btn-primary:hover { box-shadow: 0 6px 18px rgba(230,185,92,.35); transform: translateY(-1px); }
.nkf-btn-primary:active { transform: translateY(0); }

.nkf-results {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--nkf-border);
}

.nkf-result-name {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: var(--nkf-ink);
  margin: 0 0 14px;
}

.nkf-result-primary {
  background: var(--nkf-gold-soft);
  border: 1px solid rgba(230,185,92,.35);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}
.nkf-result-primary .nkf-result-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--nkf-gold);
}

/* Flexbox (not grid) on purpose: a grid with a fixed track count leaves
   empty cells when the item count isn't a clean multiple of the column
   count (the visible gap in the last row) — flex-wrap instead lets the
   last row's items grow to fill whatever space is left over. */
.nkf-result-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.nkf-result-grid > div {
  background: var(--nkf-card-soft);
  border: 1px solid var(--nkf-border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1 1 190px;
}
.nkf-result-grid .nkf-result-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--nkf-ink);
}

.nkf-result-label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--nkf-ink-dim);
  font-weight: 600;
}
.nkf-result-sub {
  font-size: 12.5px;
  color: var(--nkf-ink-dim);
}

.nkf-hint {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--nkf-ink-dim);
  opacity: .9;
}

.nkf-export-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.nkf-btn-export {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--nkf-border);
  color: var(--nkf-ink);
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.nkf-btn-export:hover {
  background: var(--nkf-gold-soft);
  border-color: rgba(230,185,92,.4);
}

.nkf-disclaimer {
  margin: 20px 0 0;
  font-size: 11.5px;
  color: var(--nkf-ink-dim);
  opacity: .7;
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 520px) {
  .nkf-card { padding: 22px 18px 18px; }
  .nkf-title { font-size: 22px; }
  .nkf-date-row, .nkf-time-row { flex-wrap: wrap; }
}

@media (prefers-color-scheme: light) {
  .nkf-wrap {
    --nkf-bg: #fdfaf3;
    --nkf-card: #ffffff;
    --nkf-card-soft: rgba(30,23,69,.035);
    --nkf-border: rgba(30,23,69,.12);
    --nkf-ink: #1e1745;
    --nkf-ink-dim: #665f8f;
  }
  .nkf-wrap input[type="text"],
  .nkf-wrap select { background: rgba(30,23,69,.03); }
}