:root {
  --bg: #0b0f14;
  --card: #121821;
  --muted: #9fb0c3;
  --text: #e6eef7;
  --accent: #4cc9f0;
  --accent2: #80ffdb;
  --danger: #ff5c5c;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 10% -10%, #16202b 0%, var(--bg) 60%);
  color: var(--text);
}

.wrap {
  max-width: 960px;
  margin: 40px auto;
  padding: 24px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  padding: 20px;
}

h1 {
  font-size: 24px;
  margin: 0 0 16px;
  letter-spacing: 0.3px;
}

p.lead {
  color: var(--muted);
  margin-top: 4px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.col-12 {
  grid-column: span 12;
}

.col-6 {
  grid-column: span 6;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

input[type="text"], input[type="file"] {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #0f1520;
  color: var(--text);
  outline: none;
}

input[type="text"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.18);
}

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

.btn {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  color: #041019;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 8px 20px rgba(76, 201, 240, 0.28);
  transition: transform 0.05s ease-in-out;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: #1b2635;
  color: var(--text);
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.log {
  background: #0f1520;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 12px;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color: #bcd1e6;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
}

.note {
  font-size: 12px;
  color: var(--muted);
}

.pill {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 720px) {
  .col-6 {
    grid-column: span 12;
  }
}