:root {
  color-scheme: light dark;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #0f172a;
  color: #e2e8f0;
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: #38bdf8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-weight: 600;
  transition: transform 0.1s ease, opacity 0.1s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
}

.button--ghost {
  background: rgba(148, 163, 184, 0.15);
  color: #e2e8f0;
}

.button--danger {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.button--secondary {
  background: rgba(129, 140, 248, 0.2);
  color: #c7d2fe;
}

.auth {
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth__container {
  width: min(90%, 400px);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(30, 64, 175, 0.35);
}

.auth__subtitle {
  margin: 0 0 1.5rem;
  color: #94a3b8;
}

.auth__form {
  display: grid;
  gap: 1rem;
}

label {
  font-size: 0.9rem;
  color: #cbd5f5;
}

input[type='email'],
input[type='password'],
input[type='file'] {
  width: 100%;
  padding: 0.7rem;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.65);
  color: inherit;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.alert--error {
  background: rgba(248, 113, 113, 0.12);
  color: #fca5a5;
}

.alert--success {
  background: rgba(16, 185, 129, 0.12);
  color: #6ee7b7;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(100, 116, 139, 0.2);
}

.topbar__subtitle {
  display: block;
  font-size: 0.9rem;
  color: #94a3b8;
}

.layout {
  display: grid;
  gap: 1.5rem;
  padding: 2rem;
  max-width: 1080px;
  margin: 0 auto;
}

.card {
  background: rgba(15, 23, 42, 0.7);
  padding: 1.5rem 2rem;
  border-radius: 14px;
  border: 1px solid rgba(79, 70, 229, 0.2);
  backdrop-filter: blur(12px);
}

.upload-form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

th,
td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

tr:hover {
  background: rgba(79, 70, 229, 0.08);
}

.slug-form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.slug-form input {
  flex: 1;
  min-width: 160px;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(15, 23, 42, 0.65);
  color: inherit;
}

.error {
  display: flex;
  align-items: center;
  justify-content: center;
}

.error__container {
  text-align: center;
  background: rgba(15, 23, 42, 0.8);
  padding: 2rem;
  border-radius: 12px;
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .layout {
    padding: 1rem;
  }

  .card {
    padding: 1.5rem;
  }
}