/* ── Login screen (simple, pas de formulaire config) ─────────── */
#login-screen {
  min-height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  background: var(--bg);
  flex-direction: column;
  gap: var(--space-xl);
}
#login-screen.visible { display: flex; }

.login-card {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-top: 3px solid var(--yellow);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  width: 420px;
  max-width: 100%;
  text-align: center;
  animation: scale-in 0.3s var(--ease);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: var(--space-xl);
}
.login-logo img {
  width: 72px; height: 72px;
  border-radius: 16px;
}
.login-logo-text {
  font-family: var(--font-title);
  font-size: 2.8rem;
  letter-spacing: 0.06em;
  color: var(--yellow);
  line-height: 1;
}
.login-logo-sub {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: -8px;
}

.login-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.login-btn {
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-lg);
  background: var(--yellow);
  color: #0a0a0a;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.login-btn:hover {
  background: #ffd23f;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 197, 24, 0.3);
}
.login-btn:active { transform: translateY(0); }
.login-btn svg   { width: 20px; height: 20px; flex-shrink: 0; }

.login-error {
  margin-top: var(--space-md);
  background: var(--red-dim);
  border: 1px solid var(--red);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--red);
  display: none;
  text-align: left;
}
.login-error.visible { display: block; }

.login-footer {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: var(--space-md);
  line-height: 1.6;
}