/* admin/assets/css/admin_style.css */
body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #f3f4f6; /* Tailwind gray-100 */
}

.admin-container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
}

.admin-card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding: 20px;
    margin-bottom: 20px;
}

.admin-header {
    background-color: #4a5568; /* Tailwind gray-700 */
    color: white;
    padding: 15px 20px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    margin-bottom: 20px;
}

.admin-nav a {
    transition: color 0.3s ease;
}
.admin-nav a:hover {
    color: #a78bfa; /* Tailwind purple-400 */
}

/* 简单的表单美化，Tailwind会处理大部分 */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="file"],
textarea,
select {
    border: 1px solid #d1d5db; /* Tailwind gray-300 */
    padding: 8px 12px;
    border-radius: 4px;
    width: 100%;
    margin-bottom: 10px;
    box-sizing: border-box;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    border-color: #8b5cf6; /* Tailwind purple-500 */
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.3);
}

button, .btn {
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.1s ease;
    font-weight: 500;
}

button:active, .btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: #8b5cf6; /* Tailwind purple-500 */
    color: white;
    border: none;
}
.btn-primary:hover {
    background-color: #7c3aed; /* Tailwind purple-600 */
}

.btn-danger {
    background-color: #ef4444; /* Tailwind red-500 */
    color: white;
    border: none;
}
.btn-danger:hover {
    background-color: #dc2626; /* Tailwind red-600 */
}

.btn-secondary {
    background-color: #6b7280; /* Tailwind gray-500 */
    color: white;
    border: none;
}

.btn-secondary:hover {
    background-color: #4b5563; /* Tailwind gray-600 */
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 0.9em;
}
.alert-success {
    background-color: #d1fae5; /* Tailwind green-100 */
    color: #065f46; /* Tailwind green-800 */
    border: 1px solid #6ee7b7; /* Tailwind green-300 */
}
.alert-danger {
    background-color: #fee2e2; /* Tailwind red-100 */
    color: #991b1b; /* Tailwind red-800 */
    border: 1px solid #fca5a5; /* Tailwind red-300 */
}
.alert-info {
    background-color: #e0f2fe; /* Tailwind sky-100 */
    color: #075985; /* Tailwind sky-800 */
    border: 1px solid #7dd3fc; /* Tailwind sky-300 */
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
th, td {
    border: 1px solid #e5e7eb; /* Tailwind gray-200 */
    padding: 10px;
    text-align: left;
}
th {
    background-color: #f9fafb; /* Tailwind gray-50 */
}