/* ==========================================
   SIDEBAR NAVIGATION
   ========================================== */

.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
}

.sidebar-logo-img {
    max-width: 100%;
    height: auto;
    display: block;
}

.sidebar-logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.sidebar-section-title {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-top: var(--spacing-lg);
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-family: var(--font-family);
    position: relative;
}

.sidebar-nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.sidebar-nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.sidebar-nav-item.active {
    color: var(--text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.sidebar-nav-item.active::before {
    opacity: 1;
}

.sidebar-icon {
    flex-shrink: 0;
    stroke-width: 2;
}

.sidebar-game-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: cover;
    flex-shrink: 0;
}

/* User Profile in Sidebar */
.sidebar-user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    margin: 0 8px 8px 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all var(--transition-base);
    cursor: pointer;
}

.sidebar-user-profile:hover {
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Divider */
.sidebar-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 16px 12px 16px;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Main Content Area */
.main-content {
    margin-left: 260px;
    flex: 1;
    min-height: 100vh;
    width: calc(100% - 260px);
}

#page-container {
    padding: var(--spacing-2xl);
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-muted);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
    }

    #page-container {
        padding: var(--spacing-lg);
    }
}

/* Sidebar Toggle Button (Mobile) */
@media (max-width: 768px) {
    .sidebar-toggle {
        position: fixed;
        top: var(--spacing-lg);
        left: var(--spacing-lg);
        z-index: 101;
        background: var(--accent-primary);
        color: white;
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: var(--shadow-lg);
    }
}

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