:root {
  --bg: #071026;
  --card: #0b1220;
  --accent: #7c3aed;
  --muted: #9aa4b2;
  --white: #e6eef6;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: #002252;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.card {
  width: min(820px, 96%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

header {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #22c1c3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 18px;
}

.lead {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.panel {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
}

.field .label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

textarea#inputText {
  min-height: 64px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: transparent;
  color: inherit;
  outline: none;
  resize: vertical;
}

input[type=number],
select {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  background: transparent;
  color: inherit;
  width: 100%;
}

.row {
  display: flex;
  gap: 12px;
  align-items: end;
}

.row .small {
  flex: 1;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: 0;
  background: linear-gradient(90deg, var(--accent), #22c1c3);
  color: white;
  font-weight: 600;
  cursor: pointer
}

.btn.secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted)
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed
}

.muted {
  color: var(--muted);
  font-size: 13px
}

.preview-wrap {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

.preview {
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.005));
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.preview img {
  max-width: 100%;
  max-height: 100%;
  display: block;
  border-radius: 6px;
}

.small {
  font-size: 13px;
  color: var(--muted)
}