body {
            font-family: 'Segoe UI', Arial, sans-serif;
            background: linear-gradient(120deg, #f0f4f8 0%, #c2e9fb 100%);
            margin: 0;
            padding: 0;
            text-align: center;
        }

        .container {
            margin-top: 60px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
            display: inline-block;
            padding: 40px 60px;
            max-width: 800px;
        }

        .container ul {
            text-align: left;
            margin-left: 0;
            padding-left: 1.5em;
        }

        h1 {
            color: #2b5876;
            margin-bottom: 20px;
        }

        h2 {
            color: #4e4376;
            margin-bottom: 12px;
            border-bottom: 1px solid #eee;
            padding-bottom: 6px;
        }

        form {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin: 12px 0 6px 0;
            color: #4e4376;
            font-weight: bold;
        }

        input[type="text"], input[type="password"] {
            width: 80%;
            padding: 10px;
            border-radius: 6px;
            border: 1px solid #ccc;
            margin-bottom: 16px;
            font-size: 1em;
        }

        button {
            background: #2b5876;
            color: #fff;
            padding: 12px 32px;
            border-radius: 6px;
            border: none;
            font-size: 1.1em;
            cursor: pointer;
            transition: background 0.2s;
        }

        button:hover {
            background: #4e4376;
        }

        .links, .logout {
            margin-top: 18px;
            text-align: right;
        }

        .links a, .logout a {
            color: #2b5876;
            text-decoration: none;
            font-weight: bold;
            margin: 0 12px;
        }

        .links a:hover, .logout a:hover {
            text-decoration: underline;
        }

        .section {
            margin-bottom: 32px;
        }

        .placeholder {
            background: #f0f4f8;
            border-radius: 6px;
            padding: 18px;
            color: #888;
            font-size: 1.05em;
            margin-bottom: 8px;
        }

        .logo {
            width: 80px;
            margin-bottom: 24px;
        }
.empty-state {
    text-align: center;
    padding: 4rem 1rem;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h2 {
    color: #6d4aff;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #666;
    margin: 0.25rem 0;
}

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1rem 0 2rem 0;
}

.tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem 1rem;
    border: 1px solid #333;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, border-color 0.2s;
}

.tile:hover {
    transform: translateY(-4px);
    border-color: #6d4aff;
}

.tile-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.tile-name {
    font-weight: 600;
    font-size: 0.9rem;
}