/* Menu/Sidebar Styles - Persistent Navigation */

/* Sidebar Container */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: linear-gradient(180deg, #12121a 0%, #0a0a0f 100%);
    color: #e4e4e4;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* Sidebar Collapsed State - HIDDEN off-screen */
.sidebar.collapsed {
    transform: translateX(-100%);
}

/* When menu is open, show sidebar */
.sidebar:not(.collapsed) {
    transform: translateX(0);
}

.sidebar.collapsed .nav-text,
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .section-title,
.sidebar.collapsed .nav-item .agent-avatar + span,
.sidebar.collapsed .nav-item .agent-role {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px;
}

/* Sidebar Header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 60px;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: #f97316;
}

.sidebar-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #94a3b8;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Sidebar Content */
.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

/* Section */
.sidebar-section {
    margin-bottom: 16px;
}

.sidebar-section:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 16px;
}

.section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    padding: 8px 16px;
    margin: 0;
}

/* Navigation List */
.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Nav Item */
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #b0b0b0;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nav-item.active {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    border-left-color: #f97316;
}

.nav-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item:hover svg,
.nav-item.active svg {
    opacity: 1;
}

.nav-text {
    font-size: 14px;
    white-space: nowrap;
    flex: 1;
}

/* Agent Items */
.nav-item.agent {
    gap: 10px;
}

.nav-item.agent .agent-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #2d2d3d;
    flex-shrink: 0;
}

.nav-item.agent .agent-info {
    flex: 1;
    min-width: 0;
}

.nav-item.agent .agent-name {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-item.agent .agent-role {
    font-size: 11px;
    color: #64748b;
}

.nav-item.agent:hover .agent-role,
.nav-item.agent.active .agent-role {
    color: #94a3b8;
}

/* Header Toggle Button */
.header-sidebar-toggle {
    position: relative;
    bottom: 20px;
    width: 40px;
    height: 40px;
    background: rgba(18, 18, 26, 0.9);
    border: 2px solid #f97316;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
    flex-shrink: 0;
    transition: background 0.2s, transform 0.2s;
}

.header-sidebar-toggle:hover {
    background: rgba(249, 115, 22, 0.2);
    transform: scale(1.05);
}

.header-sidebar-toggle:active {
    transform: scale(0.95);
}

.header-sidebar-toggle span {
    width: 20px;
    height: 2px;
    background: #f97316;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.header-sidebar-toggle.open span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.header-sidebar-toggle.open span:nth-child(2) {
    opacity: 0;
}

.header-sidebar-toggle.open span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Sidebar Overlay (for mobile) */
#sidebar-overlay {
    display: none;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar:not(.collapsed) {
        transform: translateX(0);
    }
    
    #sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }
    
    .sidebar:not(.collapsed) ~ #sidebar-overlay {
        opacity: 1;
        visibility: visible;
    }
}