/* Sidebar Navigation - Modern Tech Style */

.sidebar-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 64px;
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    will-change: width;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.sidebar-nav:hover,
.sidebar-nav.expanded {
    width: 220px;
}

.sidebar-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(34, 197, 94, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    padding: 0 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-weight: 700;
    font-size: 16px;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    will-change: opacity, transform;
}

.sidebar-nav:hover .sidebar-logo,
.sidebar-nav.expanded .sidebar-logo {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-logo-icon svg {
    width: 18px;
    height: 18px;
    color: white;
}

.sidebar-toggle {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.sidebar-nav:hover .sidebar-toggle {
    opacity: 0;
    pointer-events: none;
}

.sidebar-nav.expanded .sidebar-toggle {
    opacity: 0;
    pointer-events: none;
}

.sidebar-menu {
    flex: 1;
    padding: 12px 8px;
    overflow-y: auto;
    overflow-x: hidden;
}

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

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

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    margin-bottom: 4px;
    border-radius: 10px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    transition: background-color 0.2s ease, color 0.2s ease;
    position: relative;
    white-space: nowrap;
    text-decoration: none;
    will-change: background-color;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.9);
}

.sidebar-item.active {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
    color: white;
    box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.3);
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: linear-gradient(180deg, var(--primary-color), var(--primary-color-dark));
    border-radius: 0 3px 3px 0;
}

.sidebar-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-icon svg {
    width: 20px;
    height: 20px;
}

.sidebar-text {
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    will-change: opacity, transform;
}

.sidebar-nav:hover .sidebar-text,
.sidebar-nav.expanded .sidebar-text {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-footer {
    padding: 12px 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-footer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.5);
    transition: background-color 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.sidebar-footer-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.8);
}

.sidebar-footer-text {
    font-size: 13px;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    will-change: opacity, transform;
}

.sidebar-nav:hover .sidebar-footer-text,
.sidebar-nav.expanded .sidebar-footer-text {
    opacity: 1;
    transform: translateX(0);
}

.main-content-wrapper {
    margin-left: 64px;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: margin-left;
}

.main-content-wrapper.sidebar-expanded {
    margin-left: 220px;
}

@media (max-width: 768px) {
    .sidebar-nav {
        width: 0;
        transform: translateX(-100%);
    }
    
    .sidebar-nav.mobile-open {
        width: 220px;
        transform: translateX(0);
    }
    
    .main-content-wrapper {
        margin-left: 0;
    }
    
    .main-content-wrapper.sidebar-expanded {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    width: 44px;
    height: 44px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    color: white;
    will-change: transform;
    transform: translateZ(0);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

[data-theme="dark"] .sidebar-nav {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="light"] .sidebar-nav {
    background: rgba(255, 255, 255, 0.9);
    border-right: 1px solid rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .sidebar-item {
    color: rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .sidebar-item:hover {
    background: rgba(0, 0, 0, 0.04);
    color: rgba(0, 0, 0, 0.9);
}

[data-theme="light"] .sidebar-item.active {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.08));
    color: var(--primary-color-dark);
}

[data-theme="light"] .sidebar-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .sidebar-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .sidebar-logo {
    color: var(--primary-color-dark);
}

[data-theme="light"] .sidebar-footer-item {
    color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .sidebar-footer-item:hover {
    color: rgba(0, 0, 0, 0.8);
}

[data-theme="light"] .sidebar-toggle {
    color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .sidebar-toggle:hover {
    color: rgba(0, 0, 0, 0.8);
}