/* ===========================================
   Sidebar Navigation Styles
   =========================================== */

/* CSS Variables */
:root {
    --sidebar-width-collapsed: 70px;
    --sidebar-width-expanded: 260px;
    --sidebar-bg: #1a252f;
    --sidebar-text: #ffffff;
    --sidebar-text-muted: rgba(255, 255, 255, 0.7);
    --sidebar-hover-bg: #2c3e50;
    --sidebar-active-bg: #3498db;
    --sidebar-submenu-bg: #0d1318;
    --header-height: 60px;
    --transition-speed: 0.3s;
}

/* ===========================================
   Sidebar Base
   =========================================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width-collapsed);
    background: var(--sidebar-bg);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-speed) ease;
    overflow: hidden;
}

/* Sidebar Expanded on Hover */
.sidebar:hover,
.sidebar.expanded {
    width: var(--sidebar-width-expanded);
}

/* Hide text when collapsed */
.sidebar-text,
.sidebar-brand-text,
.submenu-arrow {
    opacity: 0;
    white-space: nowrap;
    transition: opacity var(--transition-speed) ease;
}

.sidebar:hover .sidebar-text,
.sidebar:hover .sidebar-brand-text,
.sidebar:hover .submenu-arrow,
.sidebar.expanded .sidebar-text,
.sidebar.expanded .sidebar-brand-text,
.sidebar.expanded .submenu-arrow {
    opacity: 1;
}

/* ===========================================
   Brand/Logo Section
   =========================================== */

.sidebar-brand {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    min-height: 60px;
    flex-shrink: 0;
}

.sidebar-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--sidebar-text);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.sidebar-brand-text {
    margin-left: 12px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===========================================
   Navigation Menu
   =========================================== */

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px 0;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    position: relative;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.sidebar-link:hover {
    background: var(--sidebar-hover-bg);
    color: #fff;
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--sidebar-active-bg);
    color: #fff;
}

.sidebar-link i:first-child {
    width: 40px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-link .sidebar-text {
    flex: 1;
    margin-left: 5px;
}

.submenu-arrow {
    font-size: 0.75rem;
    transition: transform 0.2s ease, opacity var(--transition-speed) ease;
}

/* ===========================================
   Submenu Styles - Flyout (Collapsed State)
   =========================================== */

.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--sidebar-submenu-bg);
    display: none;
    max-height: 70vh;
    overflow-y: auto;
}

/* Flyout submenu when sidebar is collapsed */
.sidebar:not(:hover):not(.expanded) .has-submenu.open>.sidebar-submenu {
    display: block;
    position: absolute;
    left: var(--sidebar-width-collapsed);
    top: 0;
    width: 240px;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.2);
    border-radius: 0 4px 4px 0;
    z-index: 1050;
}

/* Dropdown submenu when sidebar is expanded */
.sidebar:hover .has-submenu.open>.sidebar-submenu,
.sidebar.expanded .has-submenu.open>.sidebar-submenu {
    display: block;
    position: static;
    box-shadow: none;
    border-radius: 0;
}

.sidebar:hover .has-submenu.open>.sidebar-link .submenu-arrow,
.sidebar.expanded .has-submenu.open>.sidebar-link .submenu-arrow {
    transform: rotate(90deg);
}

/* Submenu items */
.sidebar-submenu li a {
    display: block;
    padding: 10px 15px 10px 20px;
    color: var(--sidebar-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

/* Expanded state - add more padding */
.sidebar:hover .sidebar-submenu li a,
.sidebar.expanded .sidebar-submenu li a {
    padding-left: 55px;
}

.sidebar-submenu li a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--sidebar-text);
    text-decoration: none;
}

.sidebar-submenu li a.active {
    background: rgba(52, 152, 219, 0.4);
    color: var(--sidebar-text);
}

/* Submenu dividers and headers */
.sidebar-submenu .submenu-header {
    padding: 8px 15px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-top: 5px;
}

.sidebar:hover .sidebar-submenu .submenu-header,
.sidebar.expanded .sidebar-submenu .submenu-header {
    padding-left: 55px;
}

.sidebar-submenu .submenu-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 5px 0;
}

/* Badge Styles in Submenu */
.sidebar-submenu .badge {
    font-size: 0.65rem;
    margin-left: 5px;
    padding: 0.2em 0.5em;
}

.badge-success {
    background-color: #28a745;
    color: #fff;
}

.badge-info {
    background-color: #17a2b8;
    color: #fff;
}

.badge-primary {
    background-color: #007bff;
    color: #fff;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

/* ===========================================
   Footer Section
   =========================================== */

.sidebar-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px;
    margin-top: auto;
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    padding: 10px 5px;
    color: var(--sidebar-text);
    font-size: 0.9rem;
}

.sidebar-user i {
    width: 40px;
    text-align: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.sidebar-logout-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 5px;
    background: transparent;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 0.9rem;
}

.sidebar-logout-btn:hover {
    background: rgba(231, 76, 60, 0.3);
    color: #e74c3c;
}

.sidebar-logout-btn i {
    width: 40px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-login-link {
    display: flex;
    align-items: center;
    padding: 10px 5px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.sidebar-login-link:hover {
    background: var(--sidebar-hover-bg);
    color: #fff;
    text-decoration: none;
}

.sidebar-login-link i {
    width: 40px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ===========================================
   Top Header Styles
   =========================================== */

.top-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width-collapsed);
    right: 0;
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1030;
    transition: left var(--transition-speed) ease;
}

.sidebar:hover~.top-header,
.sidebar.expanded~.top-header {
    left: var(--sidebar-width-expanded);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hamburger-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
    padding: 5px;
}

.hamburger-btn:hover {
    color: #007bff;
}

.header-breadcrumb .breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.header-breadcrumb .breadcrumb-item a {
    color: #6c757d;
    text-decoration: none;
}

.header-breadcrumb .breadcrumb-item a:hover {
    color: #007bff;
}

.header-breadcrumb .breadcrumb-item.active {
    color: #333;
}

.header-user {
    color: #333;
    font-size: 0.9rem;
}

.header-user .text-muted {
    font-size: 0.85rem;
}

/* ===========================================
   Main Content Wrapper
   =========================================== */

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

.main-wrapper.with-sidebar {
    margin-left: var(--sidebar-width-collapsed);
    padding-top: var(--header-height);
    transition: margin-left var(--transition-speed) ease;
}

/* Keep content fixed - don't shift with sidebar hover */
/* If you want content to shift, uncomment below */
/*
.sidebar:hover ~ .main-wrapper.with-sidebar,
.sidebar.expanded ~ .main-wrapper.with-sidebar {
    margin-left: var(--sidebar-width-expanded);
}
*/

/* ===========================================
   Mobile/Responsive Styles
   =========================================== */

/* Mobile Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1035;
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 991.98px) {

    /* Sidebar hidden by default on mobile */
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width-expanded);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    /* Always show text on mobile when open */
    .sidebar.mobile-open .sidebar-text,
    .sidebar.mobile-open .sidebar-brand-text,
    .sidebar.mobile-open .submenu-arrow {
        opacity: 1;
    }

    /* Header full width on mobile */
    .top-header {
        left: 0;
    }

    .sidebar:hover~.top-header,
    .sidebar.expanded~.top-header,
    .sidebar.mobile-open~.top-header {
        left: 0;
    }

    /* Main content full width on mobile */
    .main-wrapper.with-sidebar {
        margin-left: 0;
    }

    .sidebar:hover~.main-wrapper.with-sidebar,
    .sidebar.expanded~.main-wrapper.with-sidebar {
        margin-left: 0;
    }

    /* Submenu always dropdown on mobile */
    .sidebar.mobile-open .has-submenu.open>.sidebar-submenu {
        display: block;
        position: static;
        box-shadow: none;
    }

    .sidebar.mobile-open .sidebar-submenu li a {
        padding-left: 55px;
    }

    .sidebar.mobile-open .sidebar-submenu .submenu-header {
        padding-left: 55px;
    }

    /* Mobile submenu arrow rotation */
    .sidebar.mobile-open .has-submenu.open>.sidebar-link .submenu-arrow {
        transform: rotate(90deg);
    }
}

/* ===========================================
   Scrollbar Styling for Sidebar
   =========================================== */

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-submenu::-webkit-scrollbar {
    width: 4px;
}

.sidebar-submenu::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-submenu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

/* ===========================================
   Embed Mode - Hide Sidebar & Header
   =========================================== */

body.embed-mode .sidebar,
body.embed-mode .top-header,
body.embed-mode .sidebar-overlay {
    display: none !important;
}

body.embed-mode .main-wrapper {
    margin-left: 0 !important;
    padding-top: 0 !important;
}

/* ===========================================
   Notification Dropdown in Header
   =========================================== */

.top-header .notification-dropdown {
    position: relative;
}

.top-header .notification-dropdown .nav-link {
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
}

.top-header .notification-dropdown .nav-link:hover {
    color: #007bff;
}

.top-header .notification-dropdown .dropdown-menu {
    position: absolute;
    right: 0;
    top: 100%;
    min-width: 300px;
}