/* Custom Styles with Light theme */
:root {
    --primary: #5e72e4;
    --secondary: #8392ab;
    --success: #2dce89;
    --info: #11cdef;
    --warning: #fb6340;
    --danger: #f5365c;
    --light: #ced4da;
    --dark: #172b4d;
    --darker: #0b1526;
    
    /* Light theme colors */
    --bg-dark: #f8f9fe;
    --bg-dark-2: #fff;
    --bg-dark-3: #fff;
    --text-light: #333;
    --text-muted: #8898aa;
    --border-dark: rgba(0,0,0,.1);
}

/* Page load transition */
.page-loading {
    visibility: hidden;
}

.page-loading * {
    transition: none !important;
}

.page-ready {
    visibility: visible;
}

.page-ready * {
    transition: all 0.3s ease;
}

body {
    background-color: var(--bg-dark);
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    min-height: 100vh;
    padding-top: 70px;
    color: var(--text-light);
}

/* Navbar styling */
.navbar {
    background: linear-gradient(87deg, #825ee4 0, #5e72e4 100%) !important;
    padding: 0.75rem 1rem;
    border: 0;
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .15);
    min-height: 70px;
}

.navbar .container-fluid {
    padding: 0 1rem;
}

.navbar-brand {
    color: #fff !important;
    font-weight: 600;
    margin-right: 0;
}

.navbar-brand img {
    width: 30px;
    height: 30px;
}

.navbar .nav-link {
    color: rgba(255, 255, 255, .95) !important;
}

.navbar .nav-link:hover {
    color: #fff !important;
}

/* Sidebar styling */
.sidebar {
    background: var(--bg-dark-2);
    width: 250px;
    min-height: calc(100vh - 70px);
    position: fixed;
    left: 0;
    top: 70px;
    bottom: 0;
    z-index: 100;
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .1);
    transition: all .3s ease;
    overflow-y: auto;
    transform: translateX(0);
    visibility: visible !important;
}

/* Sidebar collapsed state */
body.sidebar-collapsed .sidebar {
    width: 70px;
}

body.sidebar-collapsed .sidebar .nav-link span {
    display: none;
}

body.sidebar-collapsed .content-wrapper {
    margin-left: 70px;
}

body.sidebar-collapsed .sidebar .nav-link {
    padding: 0.75rem;
    justify-content: center;
}

body.sidebar-collapsed .sidebar .nav-link i {
    margin: 0;
    font-size: 1.2rem;
}

.sidebar .nav-link {
    color: var(--text-light);
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.375rem;
    margin: 0.25rem 1rem;
    transition: all .2s ease;
    display: flex;
    align-items: center;
}

.sidebar .nav-link i {
    color: var(--text-muted);
    margin-right: 1rem;
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
    transition: all .2s ease;
}

.sidebar .nav-link span {
    opacity: 1;
    transition: all .2s ease;
}

.sidebar .nav-link:hover {
    background: rgba(94, 114, 228, 0.1);
    color: var(--primary);
}

.sidebar .nav-link:hover i {
    color: var(--primary);
    transform: translateX(3px);
}

.sidebar .nav-link.active {
    background: linear-gradient(87deg, #825ee4 0, #5e72e4 100%);
    color: #fff;
    box-shadow: 0 4px 6px rgba(50, 50, 93, .11), 0 1px 3px rgba(0, 0, 0, .08);
}

.sidebar .nav-link.active i {
    color: #fff;
}

/* Content area styling */
.content-wrapper {
    margin-left: 250px;
    padding: 0.3rem;
    min-height: calc(100vh - 70px);
    background: var(--bg-dark);
    transition: all .3s ease;
}

/* Card styling */
.card {
    position: relative;
    margin-bottom: 1.5rem;
    background: var(--bg-dark-3);
    border: 1px solid var(--border-dark);
    box-shadow: 0 0 1rem 0 rgba(0, 0, 0, .1);
    border-radius: 0.375rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    margin-bottom: 0;
    background: var(--bg-dark-3);
    border-bottom: 1px solid var(--border-dark);
}

.card-header h3, .card-header h4, .card-title {
    font-size: 2.0625rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
    color: var(--text-light);
}

/* Button styling */
.btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 0.375rem;
    letter-spacing: 0.025em;
    transition: all .15s ease;
}

.btn-primary {
    background: linear-gradient(87deg, #825ee4 0, #5e72e4 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(87deg, #725ad0 0, #4e61d0 100%);
}

/* Table styling */
.table {
    font-size: 0.875rem;
    color: var(--text-light);
}

.table thead th {
    padding: 1rem;
    background-color: rgba(94, 114, 228, 0.05);
    border-bottom: 1px solid var(--border-dark);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-top: 0;
    color: var(--text-muted);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-color: var(--border-dark);
}

/* Form styling */
.form-control {
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    background-color: var(--bg-dark-2);
    border: 1px solid var(--border-dark);
    border-radius: 0.375rem;
    color: var(--text-light);
    transition: all .2s ease;
}

.form-control:focus {
    background-color: var(--bg-dark-2);
    border-color: var(--primary);
    color: var(--text-light);
    box-shadow: 0 0 0 0.2rem rgba(94, 114, 228, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Dropdown styling */
.dropdown-menu {
    margin-top: 0.5rem;
    min-width: 12rem;
    padding: 0.5rem 0;
    background-color: var(--bg-dark-3);
    border: 1px solid var(--border-dark);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, .1);
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 0.5rem 1rem;
    color: var(--text-light);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    transition: all 0.2s ease;
}

.dropdown-item i {
    margin-right: 0.75rem;
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

.dropdown-item:hover {
    background-color: var(--bg-dark-2);
    color: var(--primary);
}

.dropdown-divider {
    border-color: var(--border-dark);
    margin: 0.5rem 0;
}

/* Alert styling */
.alert {
    position: relative;
    padding: 1rem 1.5rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

.alert-success {
    background-color: rgba(45, 206, 137, .1);
    border-color: rgba(45, 206, 137, .15);
    color: #2dce89;
}

.alert-danger {
    background-color: rgba(245, 54, 92, .1);
    border-color: rgba(245, 54, 92, .15);
    color: #f5365c;
}

/* Badge styling */
.badge {
    padding: 0.35em 0.5em;
    font-size: 0.75em;
    font-weight: 600;
}

.badge-success {
    background: linear-gradient(87deg, #2dce89 0, #2dcecc 100%);
}

.badge-warning {
    background: linear-gradient(87deg, #fb6340 0, #fbb140 100%);
}

.badge-danger {
    background: linear-gradient(87deg, #f5365c 0, #f56036 100%);
}

/* Responsive */
@media (max-width: 992px) {
    .navbar-brand {
        margin-left: 0;
        font-size: 0.9rem;
    }

    .navbar-brand img {
        width: 25px;
        height: 25px;
    }

    #sidebarToggle {
        order: 1;
        margin: 0 0.5rem;
        padding: 0.25rem;
        z-index: 1060; /* Đảm bảo nút toggle luôn ở trên cùng */
    }

    .navbar .btn-link {
        color: white !important;
        font-size: 1.2rem;
    }

    .navbar .container-fluid {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 0.5rem !important;
    }

    /* Sidebar styling on mobile */
    .sidebar {
        position: fixed;
        left: -250px;
        transition: all 0.3s ease;
        z-index: 1050;
        background-color: #f8f9fa !important; /* Màu nền sáng */
        box-shadow: 2px 0 8px rgba(0,0,0,0.1);
    }

    .sidebar .nav-link {
        color: #333 !important; /* Màu chữ tối */
    }

    .sidebar .nav-link:hover {
        background-color: #e9ecef !important; /* Màu hover sáng */
        color: #000 !important;
    }

    .sidebar .nav-link i {
        color: #6c757d !important; /* Màu icon xám */
    }

    .sidebar .nav-link.active {
        background-color: #e3e6f0 !important;
        color: #fff !important;
    }

    .sidebar .nav-link.active i {
        color: #fff !important;
    }

    .sidebar.show {
        left: 0;
    }

    /* Overlay khi sidebar hiện */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
    }

    .sidebar.show + .sidebar-overlay {
        display: block;
    }

    .content-wrapper {
        margin-left: 0 !important;
        width: 100% !important;
    }

    body.sidebar-collapsed .content-wrapper {
        margin-left: 0;
    }

    /* Đơn giản hóa nút đăng xuất trên mobile */
    .navbar .btn-link.text-light {
        display: flex;
        align-items: center;
        padding: 0.5rem;
        font-size: 1.2rem;
    }

    /* Ẩn dropdown user trên mobile */
    .navbar-nav {
        display: none !important;
    }
    
    body.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
    }
}

/* Fix for mobile nav dropdown */
@media (max-width: 576px) {
    .navbar-nav .dropdown-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        float: none;
        margin: 0;
        border-radius: 0;
    }
    table .btn {
        padding: 0.325rem;
    }
}

/* Utilities */
.text-muted {
    color: var(--text-muted) !important;
}

.border-dark {
    border-color: var(--border-dark) !important;
}

.bg-gradient-primary {
    background: linear-gradient(87deg, #825ee4 0, #5e72e4 100%) !important;
}