:root {
  --bg: #0b1020;
  --card: #141b2d;
  --text: #eef2ff;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent2: #818cf8;
  --error: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #172554 0%, var(--bg) 55%);
}
.wrap { max-width: 560px; margin: 0 auto; padding: 2rem 1rem 3rem; }
header { margin-bottom: 1.5rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; margin: 0 0 .5rem; }
h1 { margin: 0 0 .5rem; font-size: 2rem; }
.sub { margin: 0; color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.field { display: grid; gap: .5rem; margin-bottom: 1rem; }
.field span { font-size: .9rem; color: var(--muted); }
input[type=file], textarea {
  width: 100%;
  background: #0f172a;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: .75rem;
}
button, .btn {
  display: inline-block;
  width: 100%;
  text-align: center;
  border: 0;
  border-radius: 10px;
  padding: .85rem 1rem;
  font-weight: 600;
  color: #04101f;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  cursor: pointer;
  text-decoration: none;
}
button:disabled { opacity: .6; cursor: wait; }
.hidden { display: none; }
.bar {
  height: 8px;
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  overflow: hidden;
  margin: 1rem 0;
}
#barFill {
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0% { width: 15%; opacity: .7; }
  50% { width: 85%; opacity: 1; }
  100% { width: 15%; opacity: .7; }
}
.error { color: var(--error); margin: .5rem 0 0; }