/* Styles specific to the Responsive Breakpoint Generator Tool */

    .breakpoint-generator-container {
        max-width: 950px;
        margin: 1rem auto;
        padding: 1.5rem 2rem;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        background-color: var(--bg-color);
    }

    .breakpoint-generator-container h2 {
        text-align: center;
        margin-bottom: 0.5rem;
        font-size: 1.4rem;
        color: var(--text-color);
    }
    .breakpoint-generator-container .description {
        text-align: center;
        margin-bottom: 2rem;
        font-size: 0.9rem;
        color: var(--label-text);
    }

    .main-layout {
        display: flex;
        gap: 2rem;
        flex-wrap: wrap;
    }

    .controls-panel {
        flex: 1;
        min-width: 300px;
        max-width: 400px;
    }

    .output-panel {
        flex: 1.5; /* Output takes more space */
        min-width: 400px;
        display: flex;
        flex-direction: column;
    }

    .controls-panel h3, .output-panel h3 {
        margin-top: 0;
        margin-bottom: 1.2rem;
        font-size: 1.1rem;
        color: var(--label-text);
        font-weight: 600;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 0.5rem;
    }

    .control-fieldset {
        border: 1px solid var(--border-color);
        padding: 1rem 1.2rem 1.2rem 1.2rem;
        border-radius: 4px;
        margin-bottom: 1.5rem;
    }
    .control-fieldset legend {
        font-weight: 500;
        padding: 0 0.5rem;
        font-size: 0.95rem;
        color: var(--label-text);
    }

    .control-group {
        margin-bottom: 1rem;
    }
     .control-group:last-child {
        margin-bottom: 0;
    }

    .control-group label:not(.checkbox-group label) {
        display: block;
        margin-bottom: 0.4rem;
        font-weight: 500;
        color: var(--label-text);
        font-size: 0.9rem;
    }
    .control-group small {
        font-size: 0.8rem;
        color: var(--label-text);
        opacity: 0.7;
        display: block;
        margin-top: 0.2rem;
    }

    .control-group input[type="number"] {
        width: 100%;
        padding: 0.6rem 0.8rem;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        font-size: 0.95rem;
        background-color: var(--bg-color);
        color: var(--text-color);
        transition: border-color 0.2s;
        box-sizing: border-box;
        -moz-appearance: textfield;
    }
    .control-group input[type="number"]::-webkit-outer-spin-button,
    .control-group input[type="number"]::-webkit-inner-spin-button {
        -webkit-appearance: none; margin: 0;
    }
    .control-group input:focus {
        border-color: var(--accent-color);
        outline: none;
        box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.2);
    }
    body.dark-mode .control-group input:focus {
        box-shadow: 0 0 0 2px rgba(102, 191, 255, 0.25);
    }

    /* Checkbox */
    .checkbox-group label {
        display: inline-flex;
        align-items: center;
        cursor: pointer;
        font-size: 0.95rem;
    }
    .checkbox-group input[type="checkbox"] {
        margin-right: 0.5rem;
        accent-color: var(--accent-color);
        width: 16px;
        height: 16px;
    }

    #fluid-options {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px dashed var(--border-color);
    }
    #fluid-options.hidden {
        display: none;
    }

    .error-message {
        color: var(--error-text);
        font-size: 0.85rem;
        margin-top: 0.4rem;
        min-height: 1.2em;
    }

    /* Output Panel */
    .output-panel { position: relative; }
    .output-controls {
        position: absolute;
        top: 5px;
        right: 10px;
        display: flex;
        gap: 0.5rem;
        z-index: 2;
    }
    .control-button.copy {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
        background-color: var(--label-text);
        color: var(--bg-color);
        border: none;
        border-radius: 3px;
        cursor: pointer;
        opacity: 0.8;
        transition: opacity 0.2s;
    }
    .control-button.copy:hover { opacity: 1; }

    .copy-status-message {
        font-size: 0.8rem;
        color: var(--accent-color);
        opacity: 0;
        transition: opacity 0.3s ease-in-out;
        pointer-events: none;
        /* Positioned relative to button via flex gap */
    }
    .copy-status-message.visible { opacity: 1; }

    #css-output-pre {
        flex-grow: 1;
        margin: 0;
        padding: 0.8rem;
        padding-top: 2.5rem; /* Space for buttons */
        border: 1px solid var(--border-color);
        border-radius: 4px;
        background-color: var(--preview-bg);
        overflow: auto;
        min-height: 300px;
    }
    #css-output {
        font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
        font-size: 0.9rem;
        color: var(--text-color);
        line-height: 1.5;
        white-space: pre;
        display: block;
    }

    .hidden { display: none; }

    /* Responsive */
    @media (max-width: 768px) {
        .main-layout { flex-direction: column; }
        .controls-panel { max-width: 100%; }
    .output-panel {width:100%!important;min-width:100%!important;}
    }