:root {
  --bg: #0d2d4f;
  --card: #143d66;
  --text: #e8f1fa;
  --muted: #8fb3d4;
  --accent: #4dd68a;
  --err: #ff8a8a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  width: min(360px, 100%);
  display: grid; gap: 1rem;
}
.login-card h1 { margin: 0; font-size: 1.25rem; }
.login-card .sub { margin: 0; color: var(--muted); font-size: 0.9rem; }
label { display: grid; gap: 0.35rem; font-size: 0.85rem; }
input[type=password], input[type=file] {
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  background: rgba(0,0,0,0.2);
  color: var(--text);
}
button, .btn-primary {
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #062a18;
  font-weight: 600;
  cursor: pointer;
}
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid rgba(255,255,255,0.2); }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.muted { color: var(--muted); font-size: 0.85rem; margin-left: 0.5rem; }
.container { max-width: 920px; margin: 0 auto; padding: 1.5rem; display: grid; gap: 1.25rem; }
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}
.card h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.hint { color: var(--muted); font-size: 0.88rem; margin: 0 0 1rem; }
#upload-form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
textarea {
  width: 100%;
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  resize: vertical;
}
.actions { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
.status { margin-top: 0.75rem; font-size: 0.9rem; }
.status.ok { color: var(--accent); }
.status.err { color: var(--err); }
.warnings {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: rgba(0,0,0,0.25);
  border-radius: 8px;
  font-size: 0.78rem;
  white-space: pre-wrap;
  color: #ffd699;
}
.flash { padding: 0.65rem 0.85rem; border-radius: 8px; font-size: 0.9rem; }
.flash-error { background: rgba(255,100,100,0.15); color: var(--err); }
.flash-success { background: rgba(77,214,138,0.15); color: var(--accent); }
.flash-warn { background: rgba(255,200,100,0.12); color: #ffd699; }