* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  background: #f1f5f9;
  color: #0f172a;
}

a { text-decoration: none; color: inherit; }

.admin-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  box-shadow: 0 20px 50px rgba(15,23,42,.08);
  padding: 28px;
}

.login-card h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.login-card p {
  color: #64748b;
  margin-bottom: 20px;
}

.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: #0f172a;
  color: #e2e8f0;
  padding: 22px;
}

.sidebar h2 {
  color: #fff;
  margin-bottom: 22px;
  font-size: 24px;
}

.sidebar a {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.sidebar a:hover,
.sidebar a.active {
  background: #1e293b;
  color: #fff;
}

.admin-main {
  padding: 24px;
}

.admin-top {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 18px 22px;
  margin-bottom: 22px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.admin-top h1 {
  font-size: 28px;
}

.admin-top p {
  color: #64748b;
  margin-top: 4px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.stat-card,
.panel {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(15,23,42,.05);
}

.stat-card {
  padding: 22px;
}

.stat-card h3 {
  color: #64748b;
  font-size: 14px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat-card strong {
  font-size: 34px;
}

.panel {
  padding: 22px;
  margin-top: 22px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.btn {
  border: 0;
  background: #0f172a;
  color: #fff;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  display: inline-block;
}

.btn-blue { background: #2563eb; }
.btn-red { background: #dc2626; }
.btn-green { background: #16a34a; }
.btn-light { background: #e2e8f0; color: #0f172a; }

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid.two {
  grid-template-columns: 1fr 1fr;
}

label {
  font-weight: 700;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  padding: 13px;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  margin-top: 6px;
  font-size: 15px;
}

textarea {
  min-height: 240px;
  resize: vertical;
}

.message {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.error {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fecaca;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

th,
td {
  text-align: left;
  padding: 13px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: top;
}

th {
  background: #f8fafc;
  font-size: 13px;
  text-transform: uppercase;
  color: #475569;
}

.badge {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge.published {
  background: #dcfce7;
  color: #166534;
}

.badge.draft {
  background: #fef3c7;
  color: #92400e;
}

.actions {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.admin-mobile-btn {
  display: none;
  background: #0f172a;
  color: #fff;
  border: 0;
  padding: 11px 14px;
  border-radius: 10px;
  margin-bottom: 14px;
}

@media (max-width: 950px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .sidebar.show {
    display: block;
  }

  .admin-mobile-btn {
    display: inline-block;
  }

  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .admin-main {
    padding: 14px;
  }

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

  .grid-cards {
    grid-template-columns: 1fr;
  }
}