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

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-base);
    flex-shrink: 0;
    z-index: 100;
}

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

/* Header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 16px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.logo-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.logo-text h1 {
    font-size: 1.1rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-light), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
}

.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    text-decoration: none;
}

.nav-item.active {
    background: var(--accent-glow);
    color: var(--accent-light);
    box-shadow: inset 3px 0 0 var(--accent);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 1.5;
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 20px;
    padding: 0 6px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-left: auto;
    background: var(--accent);
    color: white;
}

.nav-badge.warning {
    background: var(--yellow);
    color: #000;
}

.nav-badge.info {
    background: var(--blue-bg);
    color: var(--blue);
    border: 1px solid var(--blue-border);
}

.sidebar.collapsed .nav-item span:not(.nav-badge) {
    display: none;
}

.sidebar.collapsed .nav-badge {
    display: none;
}

/* Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.footer-meta {
    margin-top: 8px;
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.sidebar.collapsed .sidebar-footer span {
    display: none;
}

.sidebar.collapsed .footer-meta {
    display: none;
}

/* Mobile overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
    backdrop-filter: blur(4px);
}

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

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        transition: left var(--transition-base);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-toggle {
        display: none;
    }
}