/* ══════════════════════════════════════════════
   HR Dashboard — Authentication Styles
   ══════════════════════════════════════════════ */

/* ── Fade-in animation ── */
@keyframes authFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes authShake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-6px); }
  80%      { transform: translateX(6px); }
}

/* ── Login page — full-page overlay ── */
#login-page {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b 0%, #3b82f6 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

/* ── Login card ── */
.login-card {
  width: 100%;
  max-width: 420px;
  margin: 1rem;
  padding: 2.5rem 2.5rem 2rem;
  background: #ffffff;
  border-radius: 16px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  animation: authFadeIn 0.5s ease-out both;
}

/* ── Logo / heading ── */
.login-card .login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-card .login-logo h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: -0.025em;
}

.login-card .login-logo p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: #64748b;
}

/* ── Form layout ── */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Input groups ── */
.login-form .input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.login-form .input-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
}

.login-form .input-group input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
  color: #1e293b;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
}

.login-form .input-group input::placeholder {
  color: #94a3b8;
}

.login-form .input-group input:focus {
  border-color: #3b82f6;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* ── Login button ── */
.login-form .login-btn {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background: #3b82f6;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.login-form .login-btn:hover {
  background: #2563eb;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.login-form .login-btn:active {
  background: #1d4ed8;
  transform: scale(0.98);
}

/* ── Error message ── */
.login-error {
  min-height: 1.25rem;
  margin: 0;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: #ef4444;
  text-align: center;
  transition: opacity 0.2s ease;
}

.login-error:empty {
  opacity: 0;
}

.login-error:not(:empty) {
  opacity: 1;
}

.login-error.shake {
  animation: authShake 0.4s ease;
}

/* ── Demo credentials hint ── */
.login-hint {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #e2e8f0;
  text-align: center;
}

.login-hint p {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-hint ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.login-hint li {
  font-size: 0.8rem;
  color: #64748b;
  font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas,
    monospace;
}

.login-hint li span.hint-role {
  display: inline-block;
  min-width: 70px;
  font-weight: 600;
  color: #475569;
}

/* ── App wrapper visibility ── */
#app-wrapper {
  display: none;
}

#app-wrapper.visible {
  display: block;
}

/* ── Responsive tweaks ── */
@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.5rem 1.5rem;
    border-radius: 12px;
  }

  .login-card .login-logo h1 {
    font-size: 1.5rem;
  }
}