.color-preview {
            width: 100%;
            height: 120px;
            border-radius: 16px;
            margin: 1rem 0;
            border: 2px solid #ddd;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: background 0.1s ease;
        }
@media (max-width: 768px) {.color-input-row{display:block!important}}
        .format-card {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1rem;
            margin-bottom: 1rem;
            border-left: 5px solid #2c7da0;
        }
        .format-label {
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #1e2a3e;
        }
        .format-input {
            font-family: 'Courier New', monospace;
            font-size: 1rem;
        }
        .harmony-card {
            background: white;
            border-radius: 20px;
            padding: 1rem;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: transform 0.2s;
            cursor: pointer;
        }
        .harmony-card:hover { transform: translateY(-3px); }
        .harmony-swatch {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 0.5rem;
            border: 2px solid #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .contrast-box {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 1rem;
            margin-top: 1.5rem;
        }
        .contrast-preview {
            padding: 1rem;
            border-radius: 12px;
            text-align: center;
            font-weight: bold;
        }
        .input-group-custom { background: #ffffff; border-radius: 24px; padding: 1.2rem; box-shadow: 0 2px 6px rgba(0,0,0,0.05); }
        .color-input-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
        .cmyk-hint {
            font-size: 0.75rem;
            cursor: help;
            margin-left: 6px;
            color: #6c757d;
        }
        .print-note {
            font-size: 0.7rem;
            color: #6c757d;
            margin-top: 0.25rem;
        }
        @media (max-width: 768px) {
            .harmony-swatch { width: 45px; height: 45px; }
        }
        .btn-sm-icon {
            padding: 0.2rem 0.5rem;
            font-size: 0.75rem;
        }
        .color-wheel {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            margin: 0 auto;
            cursor: crosshair;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        .simulation-badge {
            display: inline-block;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            margin-right: 8px;
            border: 1px solid #ddd;
        }
        .psychology-tip {
            background: #fff9e6;
            border-left: 4px solid #ffc107;
            padding: 0.6rem 1rem;
            border-radius: 12px;
            font-size: 0.85rem;
            margin-top: 1rem;
        }
        .export-dropdown .dropdown-menu {
            min-width: 240px;
        }