:root {
  --bg: #0f172a;
  --card: #111827;
  --card-2: #172033;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --danger: #fb7185;
  --border: rgba(255,255,255,.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #164e63, transparent 34%), var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hero {
  padding: 56px 20px 28px;
  text-align: center;
}

.hero__content { max-width: 980px; margin: 0 auto; }
.eyebrow { color: var(--accent); letter-spacing: .14em; text-transform: uppercase; font-weight: 700; }
h1 { font-size: clamp(32px, 5vw, 64px); line-height: 1; margin: 12px 0; }
.subtitle { color: var(--muted); font-size: 18px; max-width: 720px; margin: 0 auto; }


.yandex-ad {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 18px;
  text-align: center;
}
.yandex-ad__label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}

.layout {
  width: min(1180px, calc(100% - 32px));
  margin: 24px auto;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 22px;
}

.panel, .info article {
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(0,0,0,.25);
}

.panel { padding: 24px; }
h2, h3 { margin-top: 0; }

.field { display: grid; gap: 8px; margin: 16px 0; }
.field span, .check span { color: var(--muted); font-size: 14px; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, .8);
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

textarea { resize: vertical; min-height: 142px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.check { display: flex; align-items: center; gap: 10px; margin: 10px 0 20px; }
.check input { width: auto; }

.buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.button {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #05111d; border: 0; }
.button.ghost { background: transparent; }
.button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.hint { color: var(--muted); font-size: 14px; line-height: 1.5; }

.preview { min-height: 560px; display: flex; flex-direction: column; }
.preview__header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
#status { color: var(--muted); margin-top: -8px; }
.canvas-wrap {
  flex: 1;
  min-height: 380px;
  margin: 18px 0;
  background: #fff;
  border-radius: 22px;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 24px;
}
canvas { max-width: 100%; height: auto; }
.small-note { color: var(--muted); font-size: 13px; line-height: 1.45; margin: -4px 0 10px; }
.result-list {
  flex: 1;
  min-height: 380px;
  margin: 18px 0;
  display: grid;
  gap: 16px;
  align-content: start;
}
.empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 22px;
  padding: 24px;
}
.result-card {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}
.result-card__top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.result-card__title { font-weight: 800; }
.result-card__text { color: var(--muted); font-size: 13px; word-break: break-all; margin-top: 4px; }
.result-card__canvas {
  background: #fff;
  display: grid;
  place-items: center;
  padding: 22px;
  overflow: auto;
}
.result-card.error { border-color: rgba(251, 113, 133, .6); }
.result-card.error .result-card__canvas { background: rgba(251, 113, 133, .08); color: #fecdd3; }
.notice {
  color: #fde68a;
  background: rgba(251, 191, 36, .1);
  border: 1px solid rgba(251, 191, 36, .25);
  border-radius: 16px;
  padding: 14px;
  line-height: 1.45;
}

.info {
  width: min(1180px, calc(100% - 32px));
  margin: 22px auto 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.info article { padding: 22px; }
.info p { color: var(--muted); line-height: 1.55; }

@media (max-width: 900px) {
  .layout, .info { grid-template-columns: 1fr; }
  .preview__header { flex-direction: column; }
}