:root {
  --bg: #0f1419;
  --bg-elev: #1a222c;
  --card: #1e2833;
  --ink: #e8eef4;
  --muted: #8b9aab;
  --line: #2c3a48;
  --accent: #3dba9c;
  --accent-dim: rgba(61, 186, 156, .16);
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, .12);
  --warn: #fbbf24;
  --warn-bg: rgba(251, 191, 36, .12);
  --info: #93c5fd;
  --info-bg: rgba(96, 165, 250, .12);
  --maybe: #c4b5fd;
  --maybe-bg: rgba(167, 139, 250, .12);
  --radius: 14px;
  --shadow: 0 16px 40px rgba(0, 0, 0, .35);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(800px 420px at 15% -5%, #1a3d36 0%, transparent 55%),
    radial-gradient(700px 380px at 95% 0%, #1e2a44 0%, transparent 50%),
    var(--bg);
  padding: 36px 16px 56px;
  line-height: 1.5;
}

.wrap { max-width: 860px; margin: 0 auto; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, #3dba9c, #2a7a9e);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

h1 {
  margin: 0 0 8px;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.lead {
  margin: 0 0 26px;
  color: var(--muted);
  max-width: 58ch;
  font-size: .98rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-bottom: 18px;
}

.modes label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 500;
  user-select: none;
  color: var(--ink);
}

.modes input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

.field { margin-bottom: 16px; }

.field > label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 7px;
}

textarea,
input[type="url"],
input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: var(--bg-elev);
  transition: border-color .15s, box-shadow .15s;
}

textarea {
  min-height: 190px;
  resize: vertical;
  line-height: 1.55;
}

textarea:focus,
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

#checkBtn {
  border: none;
  background: var(--accent);
  color: #06241e;
  font: inherit;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 11px;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}

#checkBtn:hover { filter: brightness(1.08); }
#checkBtn:active { transform: translateY(1px); }
#checkBtn:disabled { opacity: .55; cursor: not-allowed; }

#status {
  font-size: .9rem;
  color: var(--muted);
}

.hidden { display: none !important; }
.empty {
  color: var(--muted);
  font-style: italic;
  margin: 0;
}

/* ---- Results shell ---- */
.results {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.results.visible,
.results:not([hidden]) {
  display: flex;
}

.result-empty {
  padding: 14px 16px;
  border-radius: 11px;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-style: italic;
  background: var(--bg-elev);
}

.error-box {
  background: var(--danger-bg);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, .35);
  border-radius: 11px;
  padding: 12px 14px;
}

/* ---- Category panels ---- */
.category-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, .02), transparent 40%),
              var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.category-header h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6em;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  background: var(--accent-dim);
  color: var(--accent);
}

.category-hint {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .84rem;
}

.cat-forbidden {
  border-color: rgba(248, 113, 113, .28);
}
.cat-forbidden .category-badge {
  background: var(--danger-bg);
  color: var(--danger);
}

.cat-mixed {
  border-color: rgba(251, 191, 36, .28);
}
.cat-mixed .category-badge {
  background: var(--warn-bg);
  color: var(--warn);
}

.cat-latin {
  border-color: rgba(96, 165, 250, .28);
}
.cat-latin .category-badge {
  background: var(--info-bg);
  color: var(--info);
}

.cat-maybe {
  border-color: rgba(167, 139, 250, .28);
}
.cat-maybe .category-badge {
  background: var(--maybe-bg);
  color: var(--maybe);
}

/* ---- Items ---- */
.item-list,
.maybe-list,
.mixed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}

.item-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.item-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.word-chip {
  display: inline-block;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, .35);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: .9rem;
  font-weight: 650;
}

.cat-latin .word-chip {
  background: var(--info-bg);
  color: var(--info);
  border-color: rgba(96, 165, 250, .35);
}

.mixed-chip {
  background: var(--warn-bg);
  color: var(--ink);
  border-color: rgba(251, 191, 36, .35);
  font-weight: 650;
}

.word-count {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 600;
}

.latin-letter {
  color: red;
  font-weight: 700;
}

/* Synonyms */
.synonyms {
  font-size: .9rem;
  line-height: 1.45;
}

.synonyms.muted {
  color: var(--muted);
  font-style: italic;
}

.synonyms-label {
  display: inline-block;
  margin-right: 8px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  vertical-align: baseline;
}

.synonyms-values {
  color: var(--ink);
}

/* Context button */
.btn-context {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: .82rem;
  font-weight: 650;
  padding: 7px 12px;
  border-radius: 9px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}

.btn-context:hover {
  background: var(--accent-dim);
  border-color: rgba(61, 186, 156, .45);
}

.btn-context.is-open {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: #9aecd8;
}

/* Context panel */
.context-panel {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .22);
  border: 1px solid var(--line);
}

.context-list {
  margin: 0;
  padding-left: 1.15em;
  line-height: 1.55;
  font-size: .9rem;
}

.context-item {
  margin-bottom: .45em;
}

.context-item:last-child {
  margin-bottom: 0;
}

.context-item mark {
  background: transparent;
  color: var(--danger);
  font-weight: 700;
  padding: 0;
}

/* maybe_allowed — простой список */
.maybe-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid rgba(167, 139, 250, .25);
}

.maybe-word {
  color: var(--maybe);
  font-weight: 600;
  font-size: .92rem;
  word-break: break-all;
}

.mixed-card {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

footer {
  margin-top: 20px;
  text-align: center;
  color: var(--muted);
  font-size: .78rem;
}

@media (max-width: 560px) {
  h1 { font-size: 1.4rem; }
  .card { padding: 18px; }
  .category-panel { padding: 14px; }
}