/*style.css*/
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: scale(1.02);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* 图标面包屑 */
.breadcrumb {
    background: linear-gradient(145deg, #f1f3f5, #ffffff);
    padding: 12px 25px;
    border-radius: 40px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border: 1px solid #e9ecef;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item i {
    margin-right: 5px;
    font-size: 1.2rem;
    color: #6c757d;
}

.breadcrumb-item a {
    color: #495057;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: #0d6efd;
}

.breadcrumb-item.active i {
    color: #0d6efd;
}

.breadcrumb-item.active {
    color: #212529;
    font-weight: 600;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #adb5bd;
    font-size: 1.4rem;
    line-height: 1;
    padding: 0 10px;
}

/* 标题美化 - 与面包屑风格一致 */
h1 {
    font-size: 2.4rem;
    font-weight: 600;
    color: #212529;
    display: flex;
    align-items: center;
    gap: 15px;
    background: #ffffff;
    padding: 12px 28px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid #f1f3f5;
    margin-bottom: 35px !important;
    width: fit-content;  /* 宽度自适应内容 */
}

h1 i {
    font-size: 2.2rem;
    color: #0d6efd;
    background: #e7f1ff;
    padding: 10px;
    border-radius: 40px;
    box-shadow: 0 2px 6px rgba(13,110,253,0.1);
}

h1 {
    transition: transform 0.3s, box-shadow 0.3s;
}

h1:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
/* 导航栏 - 与面包屑、标题风格一致 */
.custom-nav {
    background: #ffffff;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    border: 1px solid #f1f3f5;
    padding: 8px 16px;
}

/* 左侧品牌文字 */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529 !important;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.navbar-brand i {
    color: #0d6efd;
    font-size: 1.8rem;
    transition: transform 0.2s;
}

.navbar-brand:hover {
    color: #0d6efd !important;
}

.navbar-brand:hover i {
    transform: scale(1.05);
}

/* 导航链接基础样式 */
.custom-nav .nav-link {
    color: #495057;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 40px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.custom-nav .nav-link i {
    font-size: 1.2rem;
    color: #6c757d;
    transition: color 0.2s;
}

/* 用户名特殊样式（无悬停背景） */
.custom-nav .nav-item .nav-link.text-dark {
    background: transparent;
    cursor: default;
}
.custom-nav .nav-item .nav-link.text-dark:hover {
    background: transparent;
    color: #212529 !important;
}
.custom-nav .nav-item .nav-link.text-dark i {
    color: #0d6efd;
}

/* 登出/登录按钮悬停效果 */
.custom-nav .nav-link.btn-logout:hover,
.custom-nav .nav-link.btn-login:hover {
    background: #e7f1ff;
    color: #0d6efd;
}
.custom-nav .nav-link.btn-logout:hover i,
.custom-nav .nav-link.btn-login:hover i {
    color: #0d6efd;
}

/* 移动端适配（确保小屏不溢出） */
@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    .navbar-brand i {
        font-size: 1.5rem;
    }
    .custom-nav .nav-link {
        padding: 6px 10px;
        font-size: 0.9rem;
    }
}
/* 登录卡片 - 与整体风格统一 */
.login-card {
    background: #ffffff;
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid #f1f3f5;
    overflow: hidden;  /* 保证圆角裁剪 */
}

.login-card .card-header {
    background: transparent;
    border-bottom: none;
}

.login-card .input-group-text {
    border-radius: 40px 0 0 40px;
    border: 1px solid #dee2e6;
    border-right: none;
    background: #f8f9fa;
    color: #6c757d;
}

.login-card .form-control {
    border-radius: 0 40px 40px 0;
    border: 1px solid #dee2e6;
    border-left: none;
    padding-left: 0;
    box-shadow: none;
    transition: border-color 0.2s;
}

.login-card .form-control:focus {
    border-color: #0d6efd;
    outline: none;
    box-shadow: none;
}

.login-card .form-label {
    color: #212529;
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.login-card .btn-primary {
    background: #0d6efd;
    border: none;
    border-radius: 40px;
    transition: all 0.2s;
}

.login-card .btn-primary:hover {
    background: #0b5ed7;
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.2);
}

.login-card .alert {
    border-radius: 20px;
    border: none;
    background: #f8f9fa;
    color: #212529;
    font-size: 0.9rem;
}

.login-card .alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

.login-card .alert-success {
    background: #dcfce7;
    color: #166534;
}