:root {
  --bg: #0f1117;
  --panel: #1a1d27;
  --panel-2: #21252f;
  --border: #2c313d;
  --text: #e7e9ee;
  --muted: #9aa0ab;
  --primary: #4f8cff;
  --primary-d: #3b73e0;
  --danger: #e0556b;
  --ok: #37d39b;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.muted { color: var(--muted); margin: 4px 0 0; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title { font-weight: 600; font-size: 1.05rem; }
.logout-link { color: var(--muted); text-decoration: none; font-size: .9rem; }
.logout-link:hover { color: var(--text); }

/* ---------- Layout ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 22px 16px 60px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 22px;
}
.panel h2 { margin: 0 0 4px; font-size: 1.1rem; }

/* ---------- Form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin: 16px 0;
}
.field { display: flex; flex-direction: column; gap: 6px; }
label { font-size: .82rem; color: var(--muted); font-weight: 500; }

input, select {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: .95rem;
  width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--primary); border-color: transparent; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-d); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #cc4459; }
.btn-ghost { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-block { width: 100%; }

/* ---------- Stato / progress ---------- */
.status { margin-top: 18px; }
.status-row {
  display: flex; justify-content: space-between;
  font-size: .9rem; color: var(--muted); margin-bottom: 8px;
}
.progress {
  height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden;
  border: 1px solid var(--border);
}
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--ok));
  transition: width .3s ease;
}
.status.done .progress-bar { width: 100% !important; }

/* ---------- Risultati ---------- */
.empty {
  color: var(--muted); text-align: center;
  padding: 40px 16px; border: 1px dashed var(--border); border-radius: var(--radius);
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  animation: pop .2s ease;
}
@keyframes pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.card-title { font-weight: 600; font-size: 1rem; margin: 0; }
.card-link { font-size: .8rem; color: var(--primary); text-decoration: none; white-space: nowrap; }
.card-link:hover { text-decoration: underline; }

.card-error { border-color: var(--danger); }
.card-error .card-title { color: var(--danger); }

.answer {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 12px 0;
  font-size: .95rem;
}

.card-foot { display: flex; gap: 8px; align-items: center; }
.copy-btn { font-size: .85rem; padding: 8px 12px; }
.copy-btn.copied { background: var(--ok); color: #06281c; }

details.orig {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--muted);
}
details.orig summary { cursor: pointer; user-select: none; }
details.orig pre {
  white-space: pre-wrap; word-wrap: break-word;
  margin: 8px 0 0; padding: 10px;
  background: var(--panel-2); border-radius: 8px; border: 1px solid var(--border);
  color: var(--text); font-size: .82rem;
  max-height: 320px; overflow: auto;
}

/* ---------- Login ---------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-card {
  width: 100%; max-width: 360px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 26px; text-align: center;
}
.login-logo { font-size: 2.4rem; }
.login-card h1 { font-size: 1.2rem; margin: 8px 0 2px; }
.login-sub { color: var(--muted); margin: 0 0 18px; font-size: .9rem; }
.login-card form { display: flex; flex-direction: column; gap: 10px; text-align: left; }
.login-card label { margin-top: 4px; }

.alert {
  padding: 10px 12px; border-radius: 8px; font-size: .88rem; margin-bottom: 6px;
}
.alert-error { background: rgba(224,85,107,.15); color: #f0a7b2; border: 1px solid var(--danger); }