/* ============================================
           RESET AND BASE STYLES
           ============================================ */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }

        /* ============================================
           HEADER AND NAVIGATION
           ============================================ */
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem 1rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: bold;
            text-decoration: none;
            color: white;
        }

        .logo img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 3px solid white;
        }

        nav {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        nav a {
            color: white;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        nav a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }

        .tool-navbar {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.tool-navbar nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tool-navbar a {
    color: white;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    transition: 0.3s;
}

.tool-navbar a:hover {
    background: rgba(255,255,255,0.2);
}

        /* ============================================
           BREADCRUMBS
           ============================================ */
        .breadcrumb-container {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 1rem;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .breadcrumb a {
            color: #667eea;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .breadcrumb a:hover {
            color: #764ba2;
            text-decoration: underline;
        }

        .breadcrumb span {
            color: #999;
        }

        /* ============================================
           MAIN CONTENT
           ============================================ */
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }

        .content-wrapper {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        section {
            background: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        section h1 {
            color: #667eea;
            margin-bottom: 1rem;
            font-size: 2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        section h2 {
            color: #764ba2;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            border-bottom: 3px solid #667eea;
            padding-bottom: 0.5rem;
        }

        section h3 {
            color: #333;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        /* ============================================
           CARDS AND POSTS
           ============================================ */
        .announcement-card,
        .LinkedIn-Post {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #667eea;
            transition: all 0.3s ease;
        }

        .announcement-card:hover,
        .LinkedIn-Post:hover {
            transform: translateX(5px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

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

        .post-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #667eea;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        .post-meta {
            display: flex;
            flex-direction: column;
        }

        .post-meta strong {
            color: #333;
            margin-bottom: 0.25rem;
        }

        .post-date {
            font-size: 0.85rem;
            color: #999;
        }

        .post-content {
            color: #555;
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        .post-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .post-action-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: #667eea;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            font-size: 0.9rem;
        }

        .post-action-btn:hover {
            background: #764ba2;
            transform: translateY(-2px);
        }

        /* ============================================
           SIDEBAR
           ============================================ */
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        aside h3 {
            color: #667eea;
            margin-bottom: 1rem;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-section {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }

        .sidebar-section:last-child {
            border-bottom: none;
        }

        .sidebar-link {
            display: block;
            padding: 0.5rem 0;
            color: #667eea;
            text-decoration: none;
            transition: all 0.3s ease;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
        }

        .sidebar-link:hover {
            color: #764ba2;
            padding-left: 0.5rem;
        }

        .stat-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem;
            border-radius: 6px;
            text-align: center;
            margin-bottom: 0.5rem;
        }

        .stat-number {
            font-size: 1.5rem;
            font-weight: bold;
        }

        .stat-label {
            font-size: 0.85rem;
            opacity: 0.9;
        }

        /* ============================================
           FOOTER
           ============================================ */
        footer {
            background: #333;
            color: white;
            padding: 3rem 1rem 1rem;
            margin-top: 3rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            color: #667eea;
            margin-bottom: 1rem;
        }

        .footer-section a {
            display: block;
            color: #ccc;
            text-decoration: none;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: #667eea;
        }

        .footer-bottom {
            border-top: 1px solid #555;
            padding-top: 1rem;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }

        /* ============================================
           RESPONSIVE DESIGN - TABLETS
           ============================================ */
        @media (max-width: 768px) {
            html {
                font-size: 14px;
            }

            main {
                grid-template-columns: 1fr;
            }

            aside {
                position: static;
            }

            .header-container {
                justify-content: center;
                text-align: center;
            }

            nav {
                justify-content: center;
            }

            section {
                padding: 1.5rem;
            }

            section h1 {
                font-size: 1.5rem;
            }

            section h2 {
                font-size: 1.25rem;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }
        }

        /* ============================================
           RESPONSIVE DESIGN - MOBILE
           ============================================ */
        @media (max-width: 480px) {
            html {
                font-size: 13px;
            }

            header {
                padding: 1rem 0.5rem;
            }

            .header-container {
                flex-direction: column;
            }

            .logo {
                font-size: 1.2rem;
            }

            .logo img {
                width: 40px;
                height: 40px;
            }

            nav {
                gap: 0.75rem;
                justify-content: center;
            }

            nav a {
                padding: 0.4rem 0.75rem;
                font-size: 0.85rem;
            }

            main {
                padding: 1rem 0.5rem;
                gap: 1rem;
            }

            section {
                padding: 1rem;
                margin-bottom: 1rem;
            }

            section h1 {
                font-size: 1.25rem;
            }

            section h2 {
                font-size: 1.1rem;
            }

            .announcement-card,
            .LinkedIn-Post {
                padding: 1rem;
                margin-bottom: 1rem;
            }

            .post-actions {
                flex-direction: column;
            }

            .post-action-btn {
                width: 100%;
                justify-content: center;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .breadcrumb {
                font-size: 0.75rem;
            }

            .breadcrumb span {
                margin: 0 0.25rem;
            }
        }

        /* ============================================
           UTILITY CLASSES
           ============================================ */
        .icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .hidden {
            display: none;
        }

        .text-center {
            text-align: center;
        }

        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }

        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }

        .p-1 { padding: 0.5rem; }
        .p-2 { padding: 1rem; }
        .p-3 { padding: 1.5rem; }