/* Import Font hiện đại */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-color: #2c3e50; /* Hoặc #fff nếu muốn dark mode full */
}

body {
    font-family: 'Inter', sans-serif;
    background: #f0f2f5;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-attachment: fixed;
    background-size: cover;
    min-height: 100vh;
    color: #fff; /* Chữ trắng cho nổi trên nền tối */
}

/* Hiệu ứng Blob nền (trang trí) */
.bg-decoration {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: linear-gradient(180deg, rgba(72, 85, 99, 0.4) 0%, rgba(41, 50, 60, 0.4) 100%);
    filter: blur(80px);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    animation: moveBlob 10s infinite alternate;
}

@keyframes moveBlob {
    0% { transform: translate(-50%, -50%) scale(0.9); }
    100% { transform: translate(-45%, -55%) scale(1.1); }
}

/* Glass Card "Xịn" */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    color: #fff;
    transition: transform 0.3s ease;
}

/* Table Style */
.table-glass {
    color: #fff;
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(255,255,255,0.1);
    vertical-align: middle;
}
.table-glass th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(255,255,255,0.1);
}
.table-glass td {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Inputs & Form */
.form-floating-glass > .form-control,
.form-floating-glass > .form-select {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 10px;
}
.form-floating-glass > .form-control:focus,
.form-floating-glass > .form-select:focus {
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}
.form-floating-glass label {
    color: rgba(255, 255, 255, 0.7);
}
.form-floating-glass > .form-control:focus ~ label,
.form-floating-glass > .form-control:not(:placeholder-shown) ~ label {
    color: rgba(255, 255, 255, 0.9);
}

/* Buttons */
.btn-glass {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    color: #fff;
}
.btn-primary-gradient {
    background: var(--primary-gradient);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}
.btn-primary-gradient:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

/* Utilities */
.text-glow {
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}
.avatar-circle {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
}


/* --- Navbar Glass Style --- */
.navbar-glass {
    background: rgba(255, 255, 255, 0.05); /* Nền cực mờ */
    backdrop-filter: blur(15px); /* Làm mờ hậu cảnh */
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Màu chữ trên Navbar */
.navbar-glass .nav-link {
    color: rgba(255, 255, 255, 0.7) !important;
    transition: color 0.2s;
}

.navbar-glass .nav-link:hover,
.navbar-glass .nav-link.active,
.navbar-glass .show > .nav-link {
    color: #fff !important;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
}

/* Badge thông báo */
.navbar-badge {
    box-shadow: 0 0 5px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.3);
}

/* --- Dropdown Glass Menu --- */
.dropdown-menu-glass {
    background: rgba(30, 30, 40, 0.85); /* Nền tối mờ cho dễ đọc text */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border-radius: 12px;
    margin-top: 10px !important; /* Tạo khoảng cách với navbar */
    padding: 0.5rem;
}

/* Dropdown Items */
.dropdown-menu-glass .dropdown-item {
    color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    transition: all 0.2s;
    margin-bottom: 2px;
}

.dropdown-menu-glass .dropdown-item:hover,
.dropdown-menu-glass .dropdown-item:focus {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateX(5px); /* Hiệu ứng trượt nhẹ khi hover */
}

/* Dropdown Header/Footer */
.dropdown-menu-glass .dropdown-header,
.dropdown-menu-glass .dropdown-footer {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dropdown-menu-glass .dropdown-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 0.5rem 0;
}

/* User Menu Header Background */
.user-header-glass {
    background: var(--primary-gradient) !important; /* Dùng gradient tím đã khai báo */
    border-radius: 8px 8px 0 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #fff;
}


/* --- Footer Glass Style --- */
.footer-glass {
    background: rgba(255, 255, 255, 0.05); /* Trong suốt nhẹ */
    backdrop-filter: blur(10px); /* Mờ hậu cảnh */
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1); /* Viền mảnh */
    color: rgba(255, 255, 255, 0.6); /* Text màu xám trắng */
    transition: all 0.3s ease;
}

.footer-glass a {
    color: #fff;
    font-weight: 600;
    transition: all 0.2s;
}

.footer-glass a:hover {
    color: #a6c1ee; /* Màu sáng nhẹ khi hover */
    text-shadow: 0 0 8px rgba(166, 193, 238, 0.5);
    text-decoration: none;
}

/* Hiệu ứng trái tim đập (cho phần Credits) */
.heart-beat {
    color: #ff6b6b;
    animation: heartBeat 1.5s infinite;
    display: inline-block;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.3); }
    28% { transform: scale(1); }
    42% { transform: scale(1.3); }
    70% { transform: scale(1); }
}

/* --- Content Header & Breadcrumb --- */
.app-content-header {
    padding-top: 1.5rem;
    padding-bottom: 1rem;
}

/* Tiêu đề trang */
.page-title {
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    letter-spacing: -0.5px;
    position: relative;
    padding-left: 15px;
}

/* Đường kẻ dọc trang trí bên trái tiêu đề */
.page-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: var(--primary-gradient); /* Đồng bộ màu chủ đạo */
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(118, 75, 162, 0.5);
}

/* Breadcrumb Glass */
.breadcrumb-glass {
    background: transparent;
    padding: 0;
    margin-bottom: 0;
}

.breadcrumb-glass .breadcrumb-item {
    font-size: 0.9rem;
}

/* Màu của dấu gạch chéo (/) */
.breadcrumb-glass .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.3);
    content: "›"; /* Thay dấu / bằng mũi tên cho hiện đại */
    font-size: 1.1em;
    line-height: 1;
    vertical-align: middle;
}

/* Link Breadcrumb */
.breadcrumb-glass .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: all 0.2s ease;
}

.breadcrumb-glass .breadcrumb-item a:hover {
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

/* Active Breadcrumb */
.breadcrumb-glass .breadcrumb-item.active {
    color: #fff;
    font-weight: 600;
}
.breadcrumb-glass .breadcrumb-item.active a {
    color: #fff;
    pointer-events: none; /* Không click được link hiện tại */
}


/* --- DataTables Glass Customization --- */

/* Màu chữ chung cho các thành phần điều khiển */
.dataTables_wrapper .dataTables_length, 
.dataTables_wrapper .dataTables_filter, 
.dataTables_wrapper .dataTables_info, 
.dataTables_wrapper .dataTables_processing, 
.dataTables_wrapper .dataTables_paginate {
    color: rgba(255, 255, 255, 0.7) !important;
    margin-bottom: 1rem;
    margin-top: 1rem;
}

/* Input Search & Select Length */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 6px;
    padding: 4px 8px;
    outline: none;
}
.dataTables_wrapper .dataTables_filter input:focus,
.dataTables_wrapper .dataTables_length select:focus {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 2px rgba(255,255,255,0.1);
}

/* Pagination Buttons (Nút phân trang) */
.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: #fff !important;
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 4px;
    margin: 0 2px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover,
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
    color: #fff !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    color: rgba(255, 255, 255, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* Badges Glass Style */
.badge-glass {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    color: #fff;
    font-weight: 500;
    padding: 0.5em 0.8em;
    border-radius: 6px;
}
.badge-glass-success { background: rgba(25, 135, 84, 0.2); border-color: rgba(25, 135, 84, 0.3); color: #75b798; }
.badge-glass-danger { background: rgba(220, 53, 69, 0.2); border-color: rgba(220, 53, 69, 0.3); color: #ea868f; }
.badge-glass-info { background: rgba(13, 202, 240, 0.2); border-color: rgba(13, 202, 240, 0.3); color: #6edff6; }


label {
    color: black;
}