/*
 * Modern Main Site Sidebar Styles
 * A contemporary, sleek sidebar design for the main application
 */

:root {
    --main-sidebar-width: 280px;
    --main-sidebar-width-collapsed: 70px;
    --main-sidebar-bg: #1e293b;
    --main-sidebar-bg-light: #ffffff;
    --main-sidebar-border: #334155;
    --main-sidebar-border-light: #e2e8f0;
    --main-sidebar-text: #f1f5f9;
    --main-sidebar-text-light: #334155;
    --main-sidebar-text-muted: #94a3b8;
    --main-sidebar-text-muted-light: #64748b;
    --main-sidebar-hover-bg: #334155;
    --main-sidebar-hover-bg-light: #f8fafc;
    --main-sidebar-active-bg: #3b82f6;
    --main-sidebar-active-text: #ffffff;
    --main-sidebar-accent: #3b82f6;
    --main-sidebar-accent-hover: #2563eb;
    --main-sidebar-success: #10b981;
    --main-sidebar-warning: #f59e0b;
    --main-sidebar-danger: #ef4444;
    --main-sidebar-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --main-sidebar-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --main-sidebar-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light theme variables */
[data-bs-theme="light"] {
    --main-sidebar-bg: var(--main-sidebar-bg-light);
    --main-sidebar-border: var(--main-sidebar-border-light);
    --main-sidebar-text: var(--main-sidebar-text-light);
    --main-sidebar-text-muted: var(--main-sidebar-text-muted-light);
    --main-sidebar-hover-bg: var(--main-sidebar-hover-bg-light);
}

/* Modern Main Sidebar Wrapper */
.modern-main-sidebar-wrapper {
    position: relative;
    z-index: 1000;
}

/* Modern Main Sidebar Toggle Button */
.modern-main-sidebar-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    width: 48px;
    height: 48px;
    background: var(--main-sidebar-bg);
    border: 1px solid var(--main-sidebar-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--main-sidebar-transition);
    box-shadow: var(--main-sidebar-shadow);
}

.modern-main-sidebar-toggle:hover {
    background: var(--main-sidebar-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--main-sidebar-text);
    border-radius: 1px;
    transition: var(--main-sidebar-transition-fast);
}

.modern-main-sidebar-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.modern-main-sidebar-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.modern-main-sidebar-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Modern Main Sidebar */
.modern-main-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--main-sidebar-width);
    height: 100vh;
    background: var(--main-sidebar-bg);
    border-right: 1px solid var(--main-sidebar-border);
    display: flex;
    flex-direction: column;
    transition: var(--main-sidebar-transition);
    z-index: 1000;
    overflow: hidden;
}

.modern-main-sidebar.collapsed {
    width: var(--main-sidebar-width-collapsed);
}

/* Sidebar Header */
.main-sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--main-sidebar-border);
    background: linear-gradient(135deg, var(--main-sidebar-bg) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.main-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--main-sidebar-accent) 0%, var(--main-sidebar-accent-hover) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.brand-content {
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: var(--main-sidebar-transition-fast);
}

.brand-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--main-sidebar-text);
    margin: 0;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--main-sidebar-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modern-main-sidebar.collapsed .brand-content {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Sidebar Content */
.main-sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 0;
}

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

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

.main-sidebar-content::-webkit-scrollbar-thumb {
    background: var(--main-sidebar-border);
    border-radius: 2px;
}

.main-sidebar-content::-webkit-scrollbar-thumb:hover {
    background: var(--main-sidebar-text-muted);
}

/* Navigation List */
.main-nav-list {
    padding: 0;
}

/* Navigation Section */
.main-nav-section {
    margin-bottom: 8px;
}

.main-nav-section-header {
    margin: 0 12px;
}

.main-section-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: none;
    border: none;
    color: var(--main-sidebar-text);
    cursor: pointer;
    transition: var(--main-sidebar-transition-fast);
    user-select: none;
    border-radius: 12px;
    text-align: left;
}

.main-section-toggle:hover {
    background: var(--main-sidebar-hover-bg);
    transform: translateX(2px);
}

.section-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--main-sidebar-accent);
    margin-right: 12px;
    flex-shrink: 0;
}

.section-title {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--main-sidebar-transition-fast);
}

.section-toggle-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--main-sidebar-text-muted);
    transition: var(--main-sidebar-transition-fast);
}

.main-section-toggle[aria-expanded="false"] .section-toggle-icon {
    transform: rotate(-90deg);
}

.modern-main-sidebar.collapsed .section-title,
.modern-main-sidebar.collapsed .section-toggle-icon {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Navigation Section Content */
.main-nav-section-content {
    overflow: hidden;
    transition: var(--main-sidebar-transition);
    padding-left: 12px;
}

.main-nav-section-content.collapsing {
    transition: height 0.35s ease;
}

/* Navigation Items */
.main-nav-item {
    margin: 2px 12px;
}

.main-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    color: var(--main-sidebar-text);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--main-sidebar-transition-fast);
    position: relative;
    overflow: hidden;
}

.main-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--main-sidebar-accent), transparent);
    transition: var(--main-sidebar-transition-fast);
    z-index: -1;
}

.main-nav-link:hover {
    background: var(--main-sidebar-hover-bg);
    color: var(--main-sidebar-text);
    transform: translateX(4px);
}

.main-nav-link:hover::before {
    width: 4px;
}

.main-nav-link.active,
.main-nav-link:focus {
    background: var(--main-sidebar-active-bg);
    color: var(--main-sidebar-active-text);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: translateX(4px);
}

.main-nav-link.active::before {
    width: 4px;
    background: rgba(255, 255, 255, 0.3);
}

.nav-link-content {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.nav-link-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
    opacity: 0.8;
}

.main-nav-link:hover .nav-link-icon,
.main-nav-link.active .nav-link-icon {
    opacity: 1;
}

.nav-link-text {
    font-size: 14px;
    font-weight: 500;
    transition: var(--main-sidebar-transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-badge {
    background: var(--main-sidebar-accent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    min-width: 20px;
    text-align: center;
    transition: var(--main-sidebar-transition-fast);
}

.modern-main-sidebar.collapsed .nav-link-text,
.modern-main-sidebar.collapsed .nav-badge {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.modern-main-sidebar.collapsed .main-nav-link {
    justify-content: center;
    padding: 12px;
}

.modern-main-sidebar.collapsed .nav-link-icon {
    margin-right: 0;
}

/* Sidebar Footer */
.main-sidebar-footer {
    padding: 16px 0 20px;
    border-top: 1px solid var(--main-sidebar-border);
    background: linear-gradient(135deg, var(--main-sidebar-bg) 0%, rgba(59, 130, 246, 0.02) 100%);
}

.nav-divider {
    height: 1px;
    background: var(--main-sidebar-border);
    margin: 16px 20px;
}

/* User Section */
.user-section {
    margin: 0 12px 16px;
}

.user-profile-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--main-sidebar-text);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--main-sidebar-transition-fast);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.user-profile-link:hover {
    background: rgba(59, 130, 246, 0.15);
    color: var(--main-sidebar-text);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.user-profile-link.active {
    background: var(--main-sidebar-active-bg);
    color: var(--main-sidebar-active-text);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--main-sidebar-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    margin-right: 12px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.avatar-text {
    text-transform: uppercase;
}

.user-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    transition: var(--main-sidebar-transition-fast);
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: inherit;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

.user-role {
    font-size: 12px;
    color: var(--main-sidebar-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-arrow {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--main-sidebar-text-muted);
    transition: var(--main-sidebar-transition-fast);
}

.user-profile-link:hover .profile-arrow {
    color: var(--main-sidebar-text);
    transform: translateX(2px);
}

.modern-main-sidebar.collapsed .user-info,
.modern-main-sidebar.collapsed .profile-arrow {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Logout Link */
.logout-link {
    opacity: 0.8;
}

.logout-link:hover {
    opacity: 1;
    background: rgba(239, 68, 68, 0.1) !important;
    color: var(--main-sidebar-danger) !important;
}

/* Sidebar Overlay */
.main-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--main-sidebar-transition);
}

.main-sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-main-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--main-sidebar-shadow);
    }
    
    .modern-main-sidebar.show {
        transform: translateX(0);
    }
    
    .modern-main-sidebar-toggle {
        top: 15px;
        left: 15px;
        width: 44px;
        height: 44px;
    }
    
    .main-sidebar-overlay.show {
        display: block;
    }
}

@media (min-width: 769px) {
    .modern-main-sidebar-toggle {
        display: none;
    }
    
    .main-sidebar-overlay {
        display: none;
    }
}

/* Animation for section collapse */
@keyframes slideDown {
    from {
        max-height: 0;
        opacity: 0;
    }
    to {
        max-height: 1000px;
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        max-height: 1000px;
        opacity: 1;
    }
    to {
        max-height: 0;
        opacity: 0;
    }
}

/* Focus styles for accessibility */
.main-nav-link:focus,
.main-section-toggle:focus,
.user-profile-link:focus,
.modern-main-sidebar-toggle:focus {
    outline: 2px solid var(--main-sidebar-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --main-sidebar-border: #000000;
        --main-sidebar-text: #000000;
        --main-sidebar-bg: #ffffff;
    }
    
    [data-bs-theme="light"] {
        --main-sidebar-border: #000000;
        --main-sidebar-text: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Print styles */
@media print {
    .modern-main-sidebar-wrapper {
        display: none;
    }
}

/* Status badges for different states */
.nav-badge.success {
    background: var(--main-sidebar-success);
}

.nav-badge.warning {
    background: var(--main-sidebar-warning);
}

.nav-badge.danger {
    background: var(--main-sidebar-danger);
}

/* Tooltip support for collapsed sidebar */
.modern-main-sidebar.collapsed .main-nav-link,
.modern-main-sidebar.collapsed .main-section-toggle {
    position: relative;
}

.modern-main-sidebar.collapsed .main-nav-link:hover::after,
.modern-main-sidebar.collapsed .main-section-toggle:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--main-sidebar-bg);
    color: var(--main-sidebar-text);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1002;
    margin-left: 8px;
    box-shadow: var(--main-sidebar-shadow);
    border: 1px solid var(--main-sidebar-border);
}

/* Smooth content adjustment */
.main-content {
    margin-left: var(--main-sidebar-width);
    transition: var(--main-sidebar-transition);
}

.modern-main-sidebar.collapsed + .main-content {
    margin-left: var(--main-sidebar-width-collapsed);
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0 !important;
    }
}