/* Professional Modern Theme - Layout Styles */

/* ===== LAYOUT STRUCTURE ===== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

.sidebar {
    width: var(--sidebar-width);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: var(--backdrop-blur);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: var(--z-sidebar);
    overflow-y: auto;
    transition: var(--transition);
}

.main-content {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.content-container {
    flex: 1;
    padding: var(--content-padding);
    overflow-y: auto;
    width: 100%;
}

/* ===== SIDEBAR STYLES ===== */
.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color-light);
    background: rgba(0, 212, 255, 0.05);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-size: var(--font-size-xl);
    font-weight: 700;
    transition: var(--transition);
}

.sidebar-logo:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.sidebar-logo i {
    font-size: 1.5rem;
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
}

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

.nav-section-title {
    padding: 0 var(--spacing-lg) var(--spacing-sm);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-item {
    margin: var(--spacing-xs) var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-muted);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--text-color);
    background: rgba(0, 212, 255, 0.1);
    text-decoration: none;
    transform: translateX(4px);
}

.nav-link.active {
    color: var(--text-color);
    background: var(--gradient-primary);
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--box-shadow-focus);
}

.nav-link i {
    font-size: 1.1rem;
    margin-right: var(--spacing-sm);
    min-width: 20px;
    text-align: center;
}

/* ===== HEADER STYLES ===== */
.top-header {
    height: var(--header-height);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--content-padding);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-points {
    display: flex;
    align-items: center;
    background: rgba(0, 212, 255, 0.1);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    border: 1px solid var(--border-color);
    font-weight: 600;
    transition: var(--transition);
    gap: var(--spacing-sm);
}

.user-points:hover {
    background: rgba(0, 212, 255, 0.15);
    transform: scale(1.05);
}

.user-points i {
    color: var(--warning-color);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-header {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 20px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.btn-header:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--text-color);
    text-decoration: none;
    transform: translateY(-2px);
}

/* ===== MOBILE MENU ===== */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: scale(1.05);
}

/* ===== GRID LAYOUTS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-sm));
}

.col, .col-md-6, .col-lg-4, .col-lg-5, .col-lg-7 {
    padding: 0 var(--spacing-sm);
    flex: 1;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.col-lg-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
}

.col-lg-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
}

/* ===== AUTHENTICATION LAYOUTS ===== */
.login-container, .register-container {
    background: var(--background-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: block;
}

.login-header h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.stats-preview {
    background: var(--background-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--text-color);
}

/* ===== RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: calc(var(--z-sidebar) + 1);
        transition: transform var(--duration-normal) ease;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .content-container {
        padding: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .header-title {
        font-size: var(--font-size-lg);
    }
    
    .top-header {
        padding: 0 var(--spacing-lg);
    }
    
    .row {
        margin: 0;
    }
    
    .col, .col-md-6, .col-lg-4, .col-lg-5, .col-lg-7 {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 0;
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-container {
        padding: var(--spacing-md);
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .user-points {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .login-container, .register-container {
        padding: var(--spacing-xl);
    }
}

/* Extra small mobile screens */
@media (max-width: 480px) {
    .content-container {
        padding: 1rem; /* Fallback value */
        padding: var(--spacing-md, 1rem);
    }
    
    .top-header {
        padding: 0 1rem; /* Fallback value */
        padding: 0 var(--spacing-md, 1rem);
    }
    
    .header-title {
        font-size: 1.25rem; /* Fallback value */
        font-size: var(--font-size-lg, 1.25rem);
    }
    
    /* Keep points text visible on mobile */
    .user-points .points-text {
        display: inline !important;
        font-size: 0.8rem !important;
        font-weight: 600 !important;
    }
    
    /* Ensure proper mobile display for points container */
    .user-points {
        display: flex !important;
        align-items: center !important;
        gap: 0.3rem !important;
        padding: 0.25rem 0.75rem !important;
        font-size: 0.8rem !important;
        min-height: 32px !important;
        border-radius: 16px !important;
    }
    
    /* Ensure points icon is properly sized on mobile */
    .user-points i {
        display: inline !important;
        font-size: 0.9rem !important;
        margin-right: 0 !important;
    }
    
    .btn-header span {
        display: none;
    }
    
    .btn-header {
        width: 36px;
        height: 36px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }
}