/* ============================================
   Sidebar Menu - Premium Dark Theme
   ============================================ */

/* Sidebar Wrapper */
.sidebar-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    padding: var(--space-6) 0;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 999;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
}

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

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

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

/* Sidebar Header */
.sidebar-header {
    padding: 0 var(--space-6) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-6);
}

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

.sidebar-brand:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.4));
}

.sidebar-brand .brand-logo {
    transition: all var(--transition);
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

/* Sidebar User */
.sidebar-user {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}

.sidebar-user:hover {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-glow);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-md), 0 0 20px rgba(139, 92, 246, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.user-username {
    font-size: 0.8125rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sidebar Menu */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.menu-section {
    margin-bottom: var(--space-6);
}

.menu-section-title {
    padding: 0 var(--space-6);
    margin-bottom: var(--space-2);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.menu-item {
    margin-bottom: 2px;
    position: relative;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition);
    position: relative;
    border-left: 3px solid transparent;
}

.menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--gradient-main);
    transform: scaleY(0);
    transition: transform var(--transition);
}

.menu-link:hover {
    background: var(--bg-glass-hover);
    padding-left: calc(var(--space-6) + 6px);
    color: var(--primary-400);
}

.menu-link.active {
    background: var(--bg-glass-hover);
    color: var(--primary-400);
    font-weight: 600;
}

.menu-link.active::before {
    transform: scaleY(1);
}

.menu-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--transition);
}

.menu-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.menu-link:hover .menu-icon {
    transform: scale(1.15);
}

.menu-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Menu Badge */
.menu-badge {
    background: var(--gradient-main);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    min-width: 24px;
    text-align: center;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.logout-btn {
    width: 100%;
    padding: var(--space-3) var(--space-5);
    background: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    color: var(--danger-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: all var(--transition);
    cursor: pointer;
}

.logout-btn svg {
    width: 18px;
    height: 18px;
}

.logout-btn:hover {
    background: var(--danger-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.3);
    border-color: transparent;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 280px;
    transition: margin-left var(--transition);
    min-height: 100vh;
    position: relative;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
    position: fixed;
    top: var(--space-6);
    left: var(--space-6);
    z-index: 1001;
    width: 52px;
    height: 52px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
}

.menu-toggle:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary-500);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.menu-toggle-icon {
    width: 24px;
    height: 24px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.menu-toggle-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-color);
    border-radius: 2px;
    transition: all var(--transition);
}

.menu-toggle.active .menu-toggle-icon span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .menu-toggle-icon span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-toggle-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

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

/* Bot Selector */
.bot-selector {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-color);
}

.bot-selector-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}

.bot-selector select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-color);
    font-size: 0.875rem;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
}

.bot-selector select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15), var(--shadow-glow);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: var(--shadow-2xl);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 280px;
    }

    .menu-toggle {
        width: 48px;
        height: 48px;
        top: var(--space-4);
        left: var(--space-4);
    }

    .sidebar-header {
        padding: 0 var(--space-5) var(--space-5);
    }

    .menu-link {
        padding: var(--space-3) var(--space-5);
    }

    .sidebar-footer {
        padding: var(--space-5);
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 260px;
    }

    .sidebar-user {
        padding: var(--space-3);
    }

    .user-avatar {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .user-name {
        font-size: 0.875rem;
    }

    .menu-link {
        font-size: 0.875rem;
    }
}

/* Hide navbar when sidebar is used */
body.sidebar-layout .navbar {
    display: none;
}

body.sidebar-layout .container {
    padding: var(--space-6);
}

@media (max-width: 768px) {
    body.sidebar-layout .container {
        padding: var(--space-4);
    }
}