* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0b0b0b;
  color: #f2f2f2;
  font-family: 'Inter', Arial, sans-serif;
}

h1, h2 {
  font-family: 'Orbitron', Arial, sans-serif;
}

.admin-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.admin-box {
  width: 100%;
  max-width: 1120px;
  background: #111;
  border-radius: 22px;
  padding: 2rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.05);
}

.admin-box h1 {
  color: #c62828;
  margin-top: 0;
}

.admin-box p {
  color: #cfcfcf;
  line-height: 1.7;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.admin-actions {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  flex-wrap: wrap;
}

.session-text {
  font-size: 0.95rem;
  color: #aaa;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.admin-card {
  background: #171717;
  border-radius: 18px;
  padding: 1.4rem;
  border: 1px solid rgba(255,255,255,0.05);
}

.admin-card h2 {
  margin-top: 0;
}

.admin-card p {
  color: #cfcfcf;
  line-height: 1.7;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.admin-form label {
  font-weight: 700;
  color: #ddd;
  font-size: 0.9rem;
}

.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  background: #0d0d0d;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 0.85rem 0.9rem;
  font-family: 'Inter', Arial, sans-serif;
}

.admin-form textarea {
  resize: vertical;
}

.admin-form button,
.logout-btn {
  margin-top: 0.6rem;
  background: #c62828;
  color: white;
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  cursor: pointer;
  font-weight: 700;
}

.admin-form button:hover,
.logout-btn:hover {
  background: #e53935;
}

.admin-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.logout-btn {
  margin-top: 0;
  padding: 0.75rem 1.1rem;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.back-link.no-margin {
  margin-top: 0;
}

.back-link:hover {
  color: #c62828;
}

.success-box {
  background: rgba(76, 175, 80, 0.12);
  border: 1px solid rgba(76, 175, 80, 0.35);
  color: #a5d6a7;
  border-radius: 14px;
  padding: 1rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.message-box {
  margin-top: 1rem;
  border-radius: 14px;
  padding: 1rem;
  font-weight: 700;
}

.message-box.success {
  background: rgba(76, 175, 80, 0.12);
  border: 1px solid rgba(76, 175, 80, 0.35);
  color: #a5d6a7;
}

.message-box.error {
  background: rgba(244, 67, 54, 0.12);
  border: 1px solid rgba(244, 67, 54, 0.35);
  color: #ef9a9a;
}

.hidden {
  display: none;
}

code {
  background: rgba(255,255,255,0.08);
  padding: 0.12rem 0.3rem;
  border-radius: 6px;
}

@media (max-width: 720px) {
  .admin-container {
    padding: 1rem;
  }

  .admin-box {
    padding: 1.2rem;
  }

  .admin-header {
    flex-direction: column;
  }

  .admin-actions {
    align-items: flex-start;
  }
}