/* دخول المتدرب — على هوية واجهة موقع المركز: كحلي عميق، ذهبي، شعار في دائرة */
body.signin { min-height: 100vh; display: flex; flex-direction: column; background-color: var(--navy-deep);
  background-image: radial-gradient(circle at 75% 30%, rgba(217, 165, 32, .10), transparent 40%),
                    radial-gradient(circle at 20% 85%, rgba(255, 255, 255, .05), transparent 35%); }
.signin-hero {
  flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) 440px; gap: 56px; align-items: center;
  max-width: 1120px; width: 100%; margin: 0 auto; padding: 48px 24px;
}
.signin-intro { color: #e2e8f0; }
.signin-intro img { width: 112px; height: 112px; border-radius: 50%; box-shadow: 0 0 0 4px rgba(217, 165, 32, .35), 0 12px 30px rgba(0, 0, 0, .35); }
.signin-intro h1 { font-family: var(--serif); font-size: 56px; line-height: 1.2; color: #fff; margin: 22px 0 6px; }
.signin-intro .gold { color: var(--gold); font-family: var(--serif); font-size: 24px; margin: 0 0 18px; }
.signin-intro p { font-size: 17px; line-height: 1.9; max-width: 460px; margin: 0; }

.signin-card { background: var(--card); border-radius: 18px; padding: 30px 28px; box-shadow: 0 24px 60px rgba(0, 0, 0, .35); }
.signin-card h2 { margin: 0 0 4px; color: var(--navy); font-size: 22px; }
.signin-card .muted { margin: 0 0 18px; font-size: 14.5px; line-height: 1.8; }
.signin-card label { display: block; font-weight: 700; font-size: 14px; color: var(--ink-2); margin-bottom: 6px; }
.signin-card input {
  width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--ink);
}
.signin-card input:focus { outline: 0; border-color: var(--navy); box-shadow: 0 0 0 3px var(--navy-soft); }
.signin-card input.code { font-size: 28px; letter-spacing: 12px; text-align: center; font-weight: 800; color: var(--navy); }
.signin-card .go {
  width: 100%; margin-top: 16px; padding: 12px; border: 0; border-radius: 10px; background: var(--gold); color: var(--navy-deep);
  font-weight: 800; font-size: 16px;
}
.signin-card .go:hover { filter: brightness(1.05); }
.signin-card .links { display: flex; justify-content: space-between; margin-top: 12px; }
.signin-card .links button { border: 0; background: none; color: var(--navy); font-weight: 700; font-size: 14px; padding: 4px 0; }
.signin-card .links button:disabled { color: var(--muted); cursor: default; }
.signin-card .err { color: #a3264a; font-size: 14px; margin: 12px 0 0; }
.signin-card .dev { background: var(--gold-soft); border: 1px solid #f0dca3; color: #6b5310; border-radius: 10px; padding: 10px 12px; font-size: 14px; margin-bottom: 14px; }
.signin-card .dev span { font-weight: 800; font-size: 18px; color: var(--navy); letter-spacing: 3px; }

@media (max-width: 900px) {
  .signin-hero { grid-template-columns: 1fr; gap: 28px; padding: 28px 16px; }
  .signin-intro { text-align: center; }
  .signin-intro h1 { font-size: 40px; }
  .signin-intro p { margin: 0 auto; }
  .topbar-meta { display: none; }
}