/* Main Container Layout */
.main-container {
    display: flex;
    min-height: calc(100vh - var(--nav-height));
    margin-top: var(--nav-height);
    background-color: var(--background-color);
    width: 100%;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    z-index: 100;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar-item:hover {
    background-color: var(--hover-bg);
}

.sidebar-item.active {
    background-color: var(--primary-color);
    color: white;
}

.sidebar-item i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

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

/* Content Area Styles */
.content {
    flex: 1;
    padding: 2rem;
    background-color: var(--content-bg);
    margin-left: var(--sidebar-width);
    min-height: calc(100vh - var(--nav-height));
}

/* Home Page Styles */
.welcome-section {
    text-align: center;
    padding: 2rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.2);
}

.welcome-section h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.5s ease-out;
}

.welcome-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    animation: fadeInUp 0.5s ease-out 0.2s backwards;
}

/* Search Section */
.search-section {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.5s ease-out 0.4s backwards;
}

.search-container {
    flex: 1;
    position: relative;
}

.search-container input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-container input:focus {
    border-color: #2196F3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
    outline: none;
}

.search-container i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

#skillTypeFilter {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#skillTypeFilter:focus {
    border-color: #2196F3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
    outline: none;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.dashboard-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out backwards;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-header i {
    font-size: 1.5rem;
    color: #2196F3;
    background: rgba(33, 150, 243, 0.1);
    padding: 0.8rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.dashboard-card:hover .card-header i {
    transform: scale(1.1);
    background: #2196F3;
    color: white;
}

.card-header h2 {
    font-size: 1.2rem;
    color: #333;
    margin: 0;
}

.matches-list, .activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.match-item, .activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.match-item:hover, .activity-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.progress-tracker {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.progress-bar {
    height: 10px;
    background: #e9ecef;
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #2196F3, #4CAF50);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.progress-stats {
    display: flex;
    justify-content: space-between;
    color: #666;
    font-size: 0.9rem;
}

.resources-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.resource-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
    color: #2196F3;
}

.resource-item i {
    font-size: 1.2rem;
    color: #2196F3;
}

.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.user-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease-out backwards;
}

.user-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.user-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-size: 1.2rem;
    color: #333;
    margin: 0;
}

.user-skills {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.skill-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-section h4 {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.skill-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-chip {
    background: #f8f9fa;
    color: #333;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.skill-chip:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dashboard-card:nth-child(1) { animation-delay: 0.1s; }
.dashboard-card:nth-child(2) { animation-delay: 0.2s; }
.dashboard-card:nth-child(3) { animation-delay: 0.3s; }
.dashboard-card:nth-child(4) { animation-delay: 0.4s; }

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .content {
        margin-left: 0;
        padding: 1rem;
    }

    .welcome-section {
        padding: 1.5rem;
    }

    .welcome-section h1 {
        font-size: 2rem;
    }

    .search-section {
        flex-direction: column;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .users-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}