.alert,
.error-message,
.success-message,
.error,
.success {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.92rem;
}

.error-message,
.error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.success-message,
.success {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: #f8fafc;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(26, 111, 191, 0.12);
}

button,
.btn,
.button,
.btn-primary,
.btn-danger,
.btn-success,
.btn-warning,
.btn-info {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    min-height: 40px;
    box-sizing: border-box;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: inherit;
    line-height: 1.2;
    vertical-align: middle;
    white-space: nowrap;
}

button:hover,
.btn:hover,
.button:hover,
.btn-primary:hover,
.btn-danger:hover,
.btn-success:hover,
.btn-warning:hover,
.btn-info:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary,
.btn-primary:visited,
button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: #fff;
}

.btn-danger,
.btn-danger:visited {
    background: var(--error-color);
    color: #fff;
}

.btn-success,
.btn-success:visited {
    background: var(--success-color);
    color: #fff;
}

.btn-warning,
.btn-warning:visited {
    background: var(--warning-color);
    color: #fff;
}

.btn-info,
.btn-info:visited {
    background: #3498db;
    color: #fff;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* 角色 / 状态标签：禁止竖排换行 */
.status-active,
.status-disabled,
.role-admin,
.role-user,
.tag,
.badge {
    display: inline-block;
    white-space: nowrap;
    word-break: keep-all;
    line-height: 1.4;
    vertical-align: middle;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #fff;
}

.status-active { background: var(--success-color); }
.status-disabled { background: var(--error-color); }
.role-admin { background: var(--warning-color); }
.role-user { background: #3498db; }

td.col-tag {
    white-space: nowrap;
    width: 1%;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

tr:hover {
    background: #f8fafc;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination a,
.page-link {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--primary-color);
    font-size: 0.88rem;
}

.pagination a:hover,
.pagination a.active,
.page-link.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.footer {
    padding: 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}