/* ========== ROOT VARIABLES (MÀU SẮC CHỦ ĐẠO) ========== */
:root {
    --color-primary: #B83227;
    --color-primary-dark: #9C2A21;
    --color-secondary: #F5E8C7;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #F8F8F8;

    --btn-primary-bg: var(--color-primary, #B83227);
    --btn-primary-hover: var(--color-primary-dark, #9C2A21);
    --btn-primary-border: var(--color-primary, #B83227);
    --btn-primary-disabled: #e0a098;
}

/* ========== GLOBAL STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
}

/* ========== SIDEBAR STYLES ========== */
/* Đặt ở đầu file style-bt.css */
#sidebar {
    display: none !important;
}

#sidebar.sidebar-ready,
#sidebar.collapsed {
    display: block !important;
}

.sidebar {
    transition: width 0.2s ease;
    width: 200px;
    color: var(--color-text-light);
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    min-height: 100vh;
}

.row.g-0 {
    align-items: stretch !important;
}

#sidebar-container,
#notebook-sidebar-container {
    display: flex;
    align-self: stretch;
}

/* Thanh cuộn cho sidebar */
.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.sidebar .nav-link {
    color: var(--color-text-light) !important;
}

.sidebar .nav-link:hover {
    background-color: #f5f5f5;
    color: var(--color-primary) !important;
}

.sidebar .nav-link i {
    color: var(--color-text-light);
}

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

#sidebarHeader h5 {
    color: var(--color-primary);
    font-weight: 700;
}

/* ========== LINK STYLES DÙNG CHUNG ========== */
a,
.nav-link,
.footer a,
#sidebarHeader i,
.dropdown-item {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
.nav-link:hover,
.footer a:hover,
#sidebarHeader i:hover,
.dropdown-item:hover {
    color: var(--color-primary);
}

/* Riêng icon trong header */
#sidebarHeader i {
    font-size: 1.25rem;
    cursor: pointer;
}

hr {
    border-color: #e9ecef !important;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar.collapsed .sidebar-text {
    display: none;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0 !important;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.sidebar.collapsed .profile-section .sidebar-text,
.sidebar.collapsed .dropdown-toggle .sidebar-text {
    display: none;
}

.sidebar.collapsed .profile-name {
    display: none;
}

.sidebar.collapsed .dropdown-menu {
    position: fixed !important;
    left: 70px !important;
    top: auto !important;
}

.toggle-btn {
    cursor: pointer;
}

.nav-link {
    white-space: nowrap;
}

.min-vh-100 {
    min-height: 100vh;
}

/* Căn giữa nút toggle khi sidebar thu nhỏ */
.sidebar.collapsed #sidebarHeader {
    justify-content: center !important;
}

.sidebar.collapsed #menuText {
    display: none;
}

/* Khi chưa thu nhỏ - toggle sát lề phải */
.sidebar:not(.collapsed) #sidebarHeader {
    justify-content: space-between;
}

/* ========== HEADER STYLES ========== */
.header {
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 0.75rem 1.5rem;
}

.breadcrumb-item+.breadcrumb-item::before {
    content: "›";
}

.stat-icon {
    font-size: 1.25rem;
    color: #6c757d;
}

.stat-value {
    font-weight: 600;
    font-size: 0.9rem;
    color: #2c3e50;
}

.stat-label {
    font-size: 0.7rem;
    color: #6c757d;
}

.avatar-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    cursor: pointer;
}

.avatar-circle {
    width: 36px;
    height: 36px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* ========== FOOTER STYLES ========== */
.footer {
    background: white;
    border-top: 1px solid #e9ecef;
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {

    /* CÁCH DỨT ĐIỂM - ẨN HOÀN TOÀN SIDEBAR */
    #sidebar {
        display: none !important;
        /* Không chiếm chỗ, không background, không gì cả */
    }

    /* Chỉ hiện khi có class collapsed */
    #sidebar.collapsed {
        display: block !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        background: white;
        border-top: 1px solid #e9ecef;
        border-right: none !important;
        z-index: 1000;
        padding: 0.5rem 0;
    }

    .sidebar.collapsed #sidebarHeader {
        display: none;
    }

    .sidebar.collapsed #toggleSidebar {
        display: none;
    }

    .sidebar.collapsed .nav {
        flex-direction: row !important;
        justify-content: space-around;
        margin: 0 !important;
    }

    .sidebar.collapsed .nav-item {
        flex: 1;
        text-align: center;
    }

    .sidebar.collapsed .nav-link {
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 0.5rem 0 !important;
        gap: 4px;
    }

    .sidebar.collapsed .nav-link i {
        font-size: 1.5rem !important;
        margin: 0 !important;
    }

    .sidebar.collapsed .sidebar-text {
        display: none;
    }

    body {
        padding-bottom: 70px;
    }

    main {
        margin-bottom: 70px;
    }

    .header .d-flex {
        flex-wrap: nowrap !important;
        overflow-x: auto;
    }

    .header .d-flex .gap-3 {
        gap: 0.5rem !important;
    }
}


/* VIP Badge trên header */
.vip-badge-header {
    background: linear-gradient(135deg, #f1c40f, #e67e22);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 8px;
    display: inline-block;
}

/* Override .btn-primary */
.btn-primary {
    background-color: var(--btn-primary-bg) !important;
    border-color: var(--btn-primary-border) !important;
    transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover) !important;
    border-color: var(--btn-primary-hover) !important;
    transform: translateY(-1px);
}

.btn-primary:active {
    background-color: var(--btn-primary-hover) !important;
    transform: translateY(0);
}

.btn-primary:disabled,
.btn-primary.disabled {
    background-color: var(--btn-primary-disabled) !important;
    border-color: var(--btn-primary-disabled) !important;
    opacity: 0.7;
}

.btn-outline-primary {
    color: var(--btn-primary-bg) !important;
    border-color: var(--btn-primary-bg) !important;
}

.btn-outline-primary:hover {
    background-color: white !important;
    border-color: var(--btn-primary-bg) !important;
    color: var(--btn-primary-bg) !important;
    transform: translateY(-1px);
}

/* ========== BOOTSTRAP COLOR OVERRIDE ========== */
/* Override text-primary */
.text-primary {
    color: var(--color-primary, #B83227) !important;
}

/* Override bg-primary */
.bg-primary {
    background-color: var(--color-primary, #B83227) !important;
}

/* Override bg-opacity variants (cho circle background) */
.bg-primary.bg-opacity-10 {
    background-color: rgba(184, 50, 39, 0.1) !important;
}

.bg-primary.bg-opacity-25 {
    background-color: rgba(184, 50, 39, 0.25) !important;
}

/* ========== HOVER EFFECT - NỔI LÊN ========== */
/* Class tổng quát cho hiệu ứng nổi */
.hover-lift {
    transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    cursor: pointer;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* ========== PAGINATION COLOR ========== */
.page-item .page-link {
    color: var(--color-primary);
    border-color: #dee2e6;
}

.page-item .page-link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.page-item.disabled .page-link {
    color: #6c757d;
    pointer-events: none;
}

textarea:focus,
input:focus,
.form-control:focus {
    outline: none;
    box-shadow: 0 0 0 0.5px var(--color-primary);
    border-color: var(--color-primary);
}

/* Hover effect cho tất cả Bootstrap icons */
i[class*="bi-"]:hover {
    color: var(--color-primary) !important;
    transition: color 0.2s ease;
}