* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

.container {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.admin-layout {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
  display: flex;
  gap: 1.5rem;
}

.admin-sidebar {
  width: 220px;
}

.admin-main {
  flex: 1;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-nav-link {
  display: block;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.admin-nav-link.active {
  border-color: #4f46e5;
  background: rgba(79, 70, 229, 0.15);
}

h1 {
  margin-bottom: 1rem;
}

.card {
  background: #020617;
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.6);
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid #334155;
  background: transparent;
  color: #e5e7eb;
  text-decoration: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.button.primary {
  background: linear-gradient(135deg, #6366f1, #22d3ee);
  border: none;
  color: #020617;
  font-weight: 600;
}

.button:hover {
  opacity: 0.9;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="file"] {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid #334155;
  background: #020617;
  color: #e5e7eb;
}

select {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid #334155;
  background: #020617;
  color: #e5e7eb;
}

.alert {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: rgba(239, 68, 68, 0.1);
  color: #fecaca;
}

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

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.title {
  font-weight: 600;
}

.muted {
  font-size: 0.8rem;
  color: #9ca3af;
}

.upload-link {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  background: #020617;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  word-break: break-all;
}

a {
  color: #a5b4fc;
}

a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .container {
    margin: 1.25rem auto;
    padding: 0 0.75rem;
  }

  .card {
    padding: 0.85rem 1rem;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .list-item {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .admin-sidebar {
    width: 100%;
  }
}