/* Honey & ink revision — values now flow from tokens.css (load it before this file). */
/* ============================================
   Explorable Explanations - UI Controls CSS
   Common styles for control panels, sliders, buttons
   ============================================ */

/* ==================== CONTROL PANELS ==================== */

/* Standard Controls Panel - Compact Horizontal Layout */
.controls-panel,
.simulation-controls,
.control-panel,
.gear-controls {
    background-color: var(--surface-sunken);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    margin: 10px 0;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-wrap: wrap; /* Allow wrapping for multi-column layout */
    gap: 8px 15px;
    align-items: flex-start;
    flex-direction: row;
}

/* Control rows - inline horizontal layout */
.controls-panel .control-row,
.controls-panel .slider-row,
.controls-panel .slider-container,
.simulation-controls .control-row,
.simulation-controls .slider-row,
.simulation-controls .slider-container,
.control-panel .control-row,
.control-panel .slider-row,
.control-panel .slider-container,
.gear-controls .control-row,
.gear-controls .slider-row,
.gear-controls .slider-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0;
    /* Auto multi-column: items wrap naturally; single-col on phones via min-width floor */
    flex: 1 1 260px;
    width: auto;
    max-width: 500px;
}

/* Labels inline with controls */
.controls-panel label,
.simulation-controls label,
.control-panel label,
.gear-controls label {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 0;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Sliders with compact width for standard inline layouts */
.controls-panel input[type="range"],
.simulation-controls input[type="range"],
.control-panel input[type="range"],
.gear-controls input[type="range"] {
    width: 120px;
    flex-shrink: 0;
}

/* Override for sliders inside grid layouts - make them flexible and responsive */
.controls-panel [style*="display:grid"] .slider-container input[type="range"],
.controls-panel [style*="display: grid"] .slider-container input[type="range"],
.simulation-controls [style*="display:grid"] .slider-container input[type="range"],
.simulation-controls [style*="display: grid"] .slider-container input[type="range"],
.control-panel [style*="display:grid"] .slider-container input[type="range"],
.control-panel [style*="display: grid"] .slider-container input[type="range"],
.gear-controls [style*="display:grid"] .slider-container input[type="range"],
.gear-controls [style*="display: grid"] .slider-container input[type="range"] {
    width: 100% !important;
    min-width: 100px; /* Increased from 80px to accommodate labels and values */
    flex-shrink: 1;
}

/* Value display spans */
.controls-panel span,
.simulation-controls span,
.control-panel span,
.gear-controls span {
    font-size: 13px;
    min-width: 30px;
    text-align: center;
    font-family: monospace;
}

/* Dropdowns compact */
.controls-panel select,
.simulation-controls select,
.control-panel select,
.gear-controls select {
    max-width: 200px;
}

/* Buttons */
.controls-panel button,
.simulation-controls button,
.control-panel button,
.gear-controls button {
    font-size: 13px;
}

/* ==================== CONTROL GRID LAYOUTS ==================== */

/* Auto-fitting grids — column count determined automatically by available width.
   These work at ALL screen sizes; no media query required.
   Use these classes on a container wrapping .slider-container / .control-item elements. */

.controls-grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 6px 12px;
    width: 100%;
}

/* 2-column grid (wraps to 1 column when narrow) */
.controls-grid-2col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 6px 15px;
    width: 100%;
}

/* 3-column grid (wraps to 2 or 1 column when narrow) */
.controls-grid-3col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 6px 12px;
    width: 100%;
}

/* Items within control grids — a label stacked above an inline [slider + value] */
.control-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

/* Stretch slider triplets to fill available space when directly inside a flex
   control panel. (Inside CSS-grid containers this flex value is ignored.) */
.controls-panel > .control-item,
.simulation-controls > .control-item,
.control-panel > .control-item,
.gear-controls > .control-item {
    flex: 1 1 220px;
    max-width: 500px;
}

.control-item label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-600);
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.control-item input[type="range"] {
    width: 100%;
    min-width: 80px;
}

.control-item span {
    font-size: 12px;
    font-family: monospace;
    color: var(--ink-800);
}

/* Span full row width (e.g. for checkboxes or wide controls inside a 3-col grid) */
.control-item.full-width {
    grid-column: 1 / -1;
}

/* ==================== CONTROL GROUP ==================== */
/* Utility class for grouping non-slider controls (selects, buttons).
   Use .control-item for slider triplets. */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.control-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-600);
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.control-group input[type="range"] {
    width: 100%;
    min-width: 80px;
}

.control-group span {
    font-size: 12px;
    font-family: monospace;
    color: var(--ink-800);
}

/* ==================== COMPACT CONTROL ITEMS ==================== */

/* .check-item — canonical wrapper for a checkbox + label pair.
   Replaces the misnamed .slider-container when used for checkboxes.
   Compact: does not stretch like a slider; sits inline with other controls. */
.check-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.controls-panel .check-item,
.simulation-controls .check-item,
.control-panel .check-item,
.gear-controls .check-item {
    flex: 0 1 auto;
    max-width: none;
}

/* .select-item — canonical wrapper for a select/dropdown + label pair.
   Replaces .slider-container when used for <select> elements.
   Compact: does not stretch like a slider. */
.select-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.controls-panel .select-item,
.simulation-controls .select-item,
.control-panel .select-item,
.gear-controls .select-item {
    flex: 0 1 auto;
    max-width: none;
}

/* ==================== OPTIONAL ROW SEPARATORS ==================== */

/* .slider-group / .checkbox-group — use ONLY when controls in a panel serve
   distinctly different purposes and should never share a row.
   (e.g. "variable sliders" vs "display toggles" on their own rows)
   Each group spans the full panel width and handles its own wrapping.
   Do NOT add these just for aesthetic preference — let natural flex wrapping
   decide when controls can coexist on the same row. */

.slider-group {
    flex: 1 1 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    align-items: flex-start;
}

.slider-group > .control-item {
    flex: 1 1 220px;
    max-width: 500px;
}

.checkbox-group {
    flex: 1 1 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 15px;
    align-items: center;
}

.checkbox-group > .check-item,
.checkbox-group > .select-item {
    flex: 0 1 auto;
}

/* ==================== :has() SAFETY FALLBACK ==================== */

/* Prevent any .slider-container still wrapping a checkbox or dropdown
   from incorrectly stretching like a slider. Covers files not yet
   migrated to .check-item / .select-item. */
.controls-panel .slider-container:has(input[type="checkbox"]),
.simulation-controls .slider-container:has(input[type="checkbox"]),
.control-panel .slider-container:has(input[type="checkbox"]),
.gear-controls .slider-container:has(input[type="checkbox"]) {
    flex: 0 1 auto;
    max-width: none;
}

.controls-panel .slider-container:has(select),
.simulation-controls .slider-container:has(select),
.control-panel .slider-container:has(select),
.gear-controls .slider-container:has(select) {
    flex: 0 1 auto;
    max-width: none;
}

/* ==================== SLIDERS ==================== */

/* Slider Containers - Responsive Design */
/* DEPRECATED — use .control-item for sliders, .check-item for checkboxes,
   .select-item for dropdowns. Kept for backwards compatibility. */
.slider-container {
    margin: 4px 0;
}

.slider-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.slider-container input[type="range"] {
    width: 100%;
    max-width: 100%;
    margin: 5px 0;
}

.slider-value {
    display: inline-block;
    min-width: 52px;
    padding: 2px 6px;
    background: none;
    border: none;
    border-radius: 0;
    text-align: center;
    font-family: monospace;
    font-weight: 700;
    color: var(--text-value);
    font-size: 12px;
    align-self: flex-start;
}

/* Slider Row Layout */
.slider-row {
    display: flex;
    align-items: center;
    margin-bottom: 4px;
    gap: 8px;
    flex-wrap: wrap;
}

.slider-label {
    flex: 0 0 auto;
    min-width: 80px;
    max-width: 120px;
    font-size: 0.95em;
}

.slider-row input[type="range"] {
    flex: 1 1 auto;
    min-width: 80px;
    max-width: 100%;
}

.slider-row input[type="number"] {
    width: 70px;
    max-width: 70px;
    padding: 4px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xs);
    flex-shrink: 0;
}

/* Slider Styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-xs);
    background: var(--track);
    border: 1px solid var(--border-strong);
    outline: none;
    cursor: pointer;
    /* Modern browsers accent color for native slider fill */
    accent-color: var(--color-primary);
}

input[type="range"]:hover {
    background: var(--border-strong);
    border: 1px solid var(--border-strong);
}

input[type="range"]:focus {
    background: var(--track);
    outline: none;
}

/* Disabled slider styling */
input[type="range"]:disabled {
    background: var(--surface-muted);
    border: 1px solid var(--track);
    cursor: not-allowed;
}

input[type="range"]:disabled:hover {
    background: var(--surface-muted);
    border: 1px solid var(--track);
}

/* Input Number Styling */
input[type="number"] {
    width: 70px;
    padding: 4px 2px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xs);
    font-size: 0.9em;
    transition: border-color 0.3s;
}

input[type="number"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(242, 196, 25, 0.25);
}

/* Label Styling */
label {
    font-weight: bold;
    margin-bottom: 5px;
}

/* Slider Track - Webkit browsers (Chrome, Edge, Safari) */
input[type="range"]::-webkit-slider-track {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-xs);
    background: var(--track);
    border: 1px solid var(--border-strong);
}

input[type="range"]:hover::-webkit-slider-track {
    background: var(--border-strong);
    border: 1px solid var(--border-strong);
}

/* Disabled slider track - Webkit */
input[type="range"]:disabled::-webkit-slider-track {
    background: var(--surface-muted);
    border: 1px solid var(--track);
}

/* Slider Thumb - Webkit browsers */
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: var(--shadow-thumb);
    transition: all 0.3s;
    /* Center thumb on 6px track: (20 - 6) / 2 = 7px */
    margin-top: -1px;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--color-primary-hover);
    transform: scale(1.1);
    box-shadow: 0 2px 5px rgba(92, 71, 10, 0.25);
}

/* Disabled slider thumb - Webkit */
input[type="range"]:disabled::-webkit-slider-thumb {
    background: var(--ink-200);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-pressed);
}

input[type="range"]:disabled::-webkit-slider-thumb:hover {
    background: var(--ink-200);
    transform: none;
    box-shadow: var(--shadow-pressed);
}

/* Slider Thumb - Firefox */
input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: 3px solid #fff;
    box-shadow: var(--shadow-thumb);
    transition: all 0.3s;
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--color-primary-hover);
    transform: scale(1.1);
    box-shadow: 0 2px 5px rgba(92, 71, 10, 0.25);
}

/* Disabled slider thumb - Firefox */
input[type="range"]:disabled::-moz-range-thumb {
    background: var(--ink-200);
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-pressed);
}

input[type="range"]:disabled::-moz-range-thumb:hover {
    background: var(--ink-200);
    transform: none;
    box-shadow: var(--shadow-pressed);
}

/* Slider Track - Firefox */
input[type="range"]::-moz-range-track {
    background: var(--track);
    border-radius: var(--radius-xs);
    height: 6px;
    border: 1px solid var(--border-strong);
}

/* Disabled slider track - Firefox */
input[type="range"]:disabled::-moz-range-track {
    background: var(--surface-muted);
    border: 1px solid var(--track);
}

/* ==================== CHECKBOXES ==================== */

/* Custom checkbox styling */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-xs);
    background-color: #fff;
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    margin-right: 8px;
    transition: all 0.3s;
}

input[type="checkbox"]:hover {
    border-color: var(--color-primary-hover);
}

input[type="checkbox"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary-hover);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--ink-800);
    font-size: 14px;
    font-weight: bold;
}

/* Checkbox labels */
label:has(input[type="checkbox"]) {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    margin: 5px 0;
}

/* ==================== DROPDOWNS / SELECT ==================== */

/* Golden dropdown styling */
select {
    padding: 8px 12px;
    font-size: 14px;
    border: 2px solid var(--border-default);
    border-radius: var(--radius-md);
    background-color: #fff;
    color: var(--text-body);
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

select:hover {
    border-color: var(--color-primary-hover);
    background-color: var(--gold-100);
}

select:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--gold-100);
    box-shadow: var(--focus-ring);
}

/* ==================== BUTTONS ==================== */

/* Golden button styling */
button,
.control-button {
    min-width: 80px;
    padding: 7px 14px;
    background-color: var(--color-primary);
    color: var(--text-body);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
    transition: all 0.3s;
    white-space: nowrap;
}

button:hover,
.control-button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-raised);
}

button:active,
.control-button:active {
    transform: translateY(0);
    box-shadow: var(--shadow-pressed);
}

button:disabled,
.control-button:disabled {
    background-color: var(--border-default);
    cursor: not-allowed;
    transform: none;
}

/* ==================== GRID LAYOUT ENHANCEMENTS ==================== */

/* Ensure grid containers with sliders maintain proper spacing and prevent overlap */
.controls-panel [style*="grid-template-columns"],
.simulation-controls [style*="grid-template-columns"],
.control-panel [style*="grid-template-columns"],
.gear-controls [style*="grid-template-columns"] {
    width: 100%;
}

/* Ensure slider containers in grids don't overflow */
.controls-panel [style*="display:grid"] .slider-container,
.controls-panel [style*="display: grid"] .slider-container,
.simulation-controls [style*="display:grid"] .slider-container,
.simulation-controls [style*="display: grid"] .slider-container,
.control-panel [style*="display:grid"] .slider-container,
.control-panel [style*="display: grid"] .slider-container,
.gear-controls [style*="display:grid"] .slider-container,
.gear-controls [style*="display: grid"] .slider-container {
    min-width: 140px; /* Ensure enough space for label + slider + value */
    overflow: visible; /* Allow content to be visible but constrained by parent */
    max-width: 100%; /* Prevent expanding beyond grid cell */
}

/* Labels in grid layouts should not overflow */
.controls-panel [style*="display:grid"] .slider-container label,
.controls-panel [style*="display: grid"] .slider-container label,
.simulation-controls [style*="display:grid"] .slider-container label,
.simulation-controls [style*="display: grid"] .slider-container label,
.control-panel [style*="display:grid"] .slider-container label,
.control-panel [style*="display: grid"] .slider-container label,
.gear-controls [style*="display:grid"] .slider-container label,
.gear-controls [style*="display: grid"] .slider-container label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* Value displays in grid layouts should also be constrained */
.controls-panel [style*="display:grid"] .slider-container span,
.controls-panel [style*="display: grid"] .slider-container span,
.simulation-controls [style*="display:grid"] .slider-container span,
.simulation-controls [style*="display: grid"] .slider-container span,
.control-panel [style*="display:grid"] .slider-container span,
.control-panel [style*="display: grid"] .slider-container span,
.gear-controls [style*="display:grid"] .slider-container span,
.gear-controls [style*="display: grid"] .slider-container span {
    display: block;
    text-align: center;
    max-width: 100%;
    min-width: 50px; /* Ensure enough space for negative values like -300 */
    white-space: nowrap; /* Prevent wrapping */
    font-family: monospace; /* Fixed-width font for consistent spacing */
}

/* ==================== CLASS-BASED GRID SLIDER OVERRIDES ==================== */

/* The [style*="display:grid"] selectors above only match inline-style grids.
   .controls-grid-2col / 3col / auto are class-based grids and need explicit overrides
   so sliders don't overflow/overlap their grid cells. */

/* Stack label above slider (column layout) inside class-based grids */
.controls-grid-2col .slider-container,
.controls-grid-3col .slider-container,
.controls-grid-auto .slider-container {
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
    max-width: 100%;
    flex: none;
    gap: 2px;
}

/* Allow labels to wrap so they don't force overflow */
.controls-grid-2col .slider-container label,
.controls-grid-3col .slider-container label,
.controls-grid-auto .slider-container label {
    white-space: normal;
    display: block;
    margin-bottom: 3px;
}

/* Make sliders fill the full grid-cell width */
.controls-grid-2col .slider-container input[type="range"],
.controls-grid-3col .slider-container input[type="range"],
.controls-grid-auto .slider-container input[type="range"] {
    width: 100% !important;
    min-width: 0;
    flex-shrink: 1;
}

/* ==================== SIMULATION HOLDERS ==================== */

/* Common sim-holder class (used in many pages) */
.sim-holder {
    width: 100%;
    min-height: 400px;
    position: relative;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background-color: var(--surface-sunken);
    margin: 10px 0;
    overflow: hidden;
}

/* ==================== RESPONSIVE DESIGN ==================== */

/* REMOVED - Consolidated into the larger @media (min-width: 1025px) block below */

/* Large Desktop/Ultra-wide - 3 columns layout (≥1440px) */
@media (min-width: 1440px) {
    .controls-panel,
    .simulation-controls,
    .control-panel,
    .gear-controls {
        gap: 15px 30px;
    }

    /* Multi-column slider layout for ultra-wide screens */
    .controls-panel > .control-row,
    .controls-panel > .slider-row,
    .controls-panel > .slider-container,
    .simulation-controls > .control-row,
    .simulation-controls > .slider-row,
    .simulation-controls > .slider-container,
    .control-panel > .control-row,
    .control-panel > .slider-row,
    .control-panel > .slider-container,
    .gear-controls > .control-row,
    .gear-controls > .slider-row,
    .gear-controls > .slider-container {
        /* Fit 3 sliders per row on ultra-wide */
        flex: 0 1 calc(33.333% - 20px); /* 3 columns with gap */
        min-width: 300px; /* Slightly wider for comfort */
        max-width: 420px;
    }

    /* Increase standard inline slider width on large screens */
    .controls-panel > .control-row input[type="range"],
    .controls-panel > .slider-row input[type="range"],
    .controls-panel > .slider-container input[type="range"],
    .simulation-controls > .control-row input[type="range"],
    .simulation-controls > .slider-row input[type="range"],
    .simulation-controls > .slider-container input[type="range"],
    .control-panel > .control-row input[type="range"],
    .control-panel > .slider-row input[type="range"],
    .control-panel > .slider-container input[type="range"],
    .gear-controls > .control-row input[type="range"],
    .gear-controls > .slider-row input[type="range"],
    .gear-controls > .slider-container input[type="range"] {
        width: 180px;
        flex: 1 1 auto;
    }

    /* Grid sliders expand even more on large screens */
    .controls-panel [style*="display:grid"] input[type="range"],
    .controls-panel [style*="display: grid"] input[type="range"],
    .simulation-controls [style*="display:grid"] input[type="range"],
    .simulation-controls [style*="display: grid"] input[type="range"],
    .control-panel [style*="display:grid"] input[type="range"],
    .control-panel [style*="display: grid"] input[type="range"],
    .gear-controls [style*="display:grid"] input[type="range"],
    .gear-controls [style*="display: grid"] input[type="range"] {
        min-width: 150px;
    }
}

/* Large screens - add styles for sliders and grids (≥1025px) */
@media (min-width: 1025px) {
    /* Override auto-fit grids with fixed columns on large screens */
    .controls-grid-2col {
        grid-template-columns: 1fr 1fr;
        gap: 8px 15px;
    }

    .controls-grid-3col {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px 12px;
    }

    .button-group {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }

    /* Multi-column slider layout for large screens */
    .controls-panel > .control-row,
    .controls-panel > .slider-row,
    .controls-panel > .slider-container,
    .simulation-controls > .control-row,
    .simulation-controls > .slider-row,
    .simulation-controls > .slider-container,
    .control-panel > .control-row,
    .control-panel > .slider-row,
    .control-panel > .slider-container,
    .gear-controls > .control-row,
    .gear-controls > .slider-row,
    .gear-controls > .slider-container {
        /* Fit 2-3 sliders per row depending on container width */
        flex: 0 1 calc(50% - 10px); /* 2 columns with gap */
        min-width: 280px; /* Minimum for label + slider + value */
        max-width: 450px; /* Maximum to prevent excessive stretching */
    }

    /* Fixed width for standard inline sliders */
    .controls-panel > .control-row input[type="range"],
    .controls-panel > .slider-row input[type="range"],
    .controls-panel > .slider-container input[type="range"],
    .simulation-controls > .control-row input[type="range"],
    .simulation-controls > .slider-row input[type="range"],
    .simulation-controls > .slider-container input[type="range"],
    .control-panel > .control-row input[type="range"],
    .control-panel > .slider-row input[type="range"],
    .control-panel > .slider-container input[type="range"],
    .gear-controls > .control-row input[type="range"],
    .gear-controls > .slider-row input[type="range"],
    .gear-controls > .slider-container input[type="range"] {
        width: 150px;
        flex: 1 1 auto; /* Allow slider to grow within container */
    }

    /* Flexible width for sliders in grid layouts */
    .controls-panel [style*="display:grid"] input[type="range"],
    .controls-panel [style*="display: grid"] input[type="range"],
    .simulation-controls [style*="display:grid"] input[type="range"],
    .simulation-controls [style*="display: grid"] input[type="range"],
    .control-panel [style*="display:grid"] input[type="range"],
    .control-panel [style*="display: grid"] input[type="range"],
    .gear-controls [style*="display:grid"] input[type="range"],
    .gear-controls [style*="display: grid"] input[type="range"] {
        width: 100% !important;
        min-width: 120px;
    }

    /* Allow buttons to wrap on their own line */
    #button-container {
        width: 100%;
        margin-top: 10px;
    }
}

/* Medium screens - reduce 3-column grids to 2-column (900px-1200px) */
@media (min-width: 900px) and (max-width: 1200px) {
    /* Force 3-column grids to become 2-column on medium screens to prevent overlap */
    .controls-panel [style*="grid-template-columns: 1fr 1fr 1fr"],
    .controls-panel [style*="grid-template-columns:1fr 1fr 1fr"],
    .simulation-controls [style*="grid-template-columns: 1fr 1fr 1fr"],
    .simulation-controls [style*="grid-template-columns:1fr 1fr 1fr"],
    .control-panel [style*="grid-template-columns: 1fr 1fr 1fr"],
    .control-panel [style*="grid-template-columns:1fr 1fr 1fr"],
    .gear-controls [style*="grid-template-columns: 1fr 1fr 1fr"],
    .gear-controls [style*="grid-template-columns:1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }
}

/* Tablets landscape - 2 columns layout (769px-1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    /* Multi-column slider layout for tablets */
    .controls-panel > .control-row,
    .controls-panel > .slider-row,
    .controls-panel > .slider-container,
    .simulation-controls > .control-row,
    .simulation-controls > .slider-row,
    .simulation-controls > .slider-container,
    .control-panel > .control-row,
    .control-panel > .slider-row,
    .control-panel > .slider-container,
    .gear-controls > .control-row,
    .gear-controls > .slider-row,
    .gear-controls > .slider-container {
        /* Fit 2 sliders per row on tablets */
        flex: 0 1 calc(50% - 10px); /* 2 columns with gap */
        min-width: 260px; /* Touch-friendly minimum width */
        max-width: 100%;
    }

    /* Fixed width for standard inline sliders - touch-friendly */
    .controls-panel > .control-row input[type="range"],
    .controls-panel > .slider-row input[type="range"],
    .controls-panel > .slider-container input[type="range"],
    .simulation-controls > .control-row input[type="range"],
    .simulation-controls > .slider-row input[type="range"],
    .simulation-controls > .slider-container input[type="range"],
    .control-panel > .control-row input[type="range"],
    .control-panel > .slider-row input[type="range"],
    .control-panel > .slider-container input[type="range"],
    .gear-controls > .control-row input[type="range"],
    .gear-controls > .slider-row input[type="range"],
    .gear-controls > .slider-container input[type="range"] {
        width: 130px;
        flex: 1 1 auto; /* Allow slider to grow within container */
    }

    /* Increase touch target size for sliders on tablets */
    .controls-panel input[type="range"],
    .simulation-controls input[type="range"],
    .control-panel input[type="range"],
    .gear-controls input[type="range"] {
        height: 10px; /* Larger track for touch */
    }

    /* Larger thumb for touch - 28px for better touch targets */
    .controls-panel input[type="range"]::-webkit-slider-thumb,
    .simulation-controls input[type="range"]::-webkit-slider-thumb,
    .control-panel input[type="range"]::-webkit-slider-thumb,
    .gear-controls input[type="range"]::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
        margin-top: -2px; /* Center on thicker track: (28 - 10) / 2 - 4 = -2px */
    }

    .controls-panel input[type="range"]::-moz-range-thumb,
    .simulation-controls input[type="range"]::-moz-range-thumb,
    .control-panel input[type="range"]::-moz-range-thumb,
    .gear-controls input[type="range"]::-moz-range-thumb {
        width: 28px;
        height: 28px;
    }

    /* Larger track for tablets */
    .controls-panel input[type="range"]::-webkit-slider-track,
    .simulation-controls input[type="range"]::-webkit-slider-track,
    .control-panel input[type="range"]::-webkit-slider-track,
    .gear-controls input[type="range"]::-webkit-slider-track {
        height: 10px;
    }

    .controls-panel input[type="range"]::-moz-range-track,
    .simulation-controls input[type="range"]::-moz-range-track,
    .control-panel input[type="range"]::-moz-range-track,
    .gear-controls input[type="range"]::-moz-range-track {
        height: 10px;
    }

    /* Flexible width for sliders in grid layouts */
    .controls-panel [style*="display:grid"] input[type="range"],
    .controls-panel [style*="display: grid"] input[type="range"],
    .simulation-controls [style*="display:grid"] input[type="range"],
    .simulation-controls [style*="display: grid"] input[type="range"],
    .control-panel [style*="display:grid"] input[type="range"],
    .control-panel [style*="display: grid"] input[type="range"],
    .gear-controls [style*="display:grid"] input[type="range"],
    .gear-controls [style*="display: grid"] input[type="range"] {
        width: 100% !important;
        min-width: 100px;
    }
}

/* Custom grid layouts - responsive (≤768px) */
@media (max-width: 768px) {
    /* auto-fit grids handle wrapping naturally — no override needed here */
    /* (Single-column collapse happens at ≤576px) */

    .button-group {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
    }
}

/* Tablets portrait and phones (≤768px) */
@media (max-width: 768px) {
    .controls-panel,
    .simulation-controls,
    .control-panel,
    .gear-controls {
        gap: 6px 10px;
        padding: 8px 10px;
        /* Keep flex-direction: row so items can still form 2 columns on tablets */
    }

    /* Increase touch target size for sliders on phones/small tablets */
    .controls-panel input[type="range"],
    .simulation-controls input[type="range"],
    .control-panel input[type="range"],
    .gear-controls input[type="range"] {
        height: 10px; /* Larger track for touch */
    }

    /* Larger thumb for touch on phones - 26px */
    .controls-panel input[type="range"]::-webkit-slider-thumb,
    .simulation-controls input[type="range"]::-webkit-slider-thumb,
    .control-panel input[type="range"]::-webkit-slider-thumb,
    .gear-controls input[type="range"]::-webkit-slider-thumb {
        width: 26px;
        height: 26px;
        margin-top: -1px; /* Center on thicker track: (26 - 10) / 2 - 4 = -1px */
    }

    .controls-panel input[type="range"]::-moz-range-thumb,
    .simulation-controls input[type="range"]::-moz-range-thumb,
    .control-panel input[type="range"]::-moz-range-thumb,
    .gear-controls input[type="range"]::-moz-range-thumb {
        width: 26px;
        height: 26px;
    }

    /* Larger track for phones */
    .controls-panel input[type="range"]::-webkit-slider-track,
    .simulation-controls input[type="range"]::-webkit-slider-track,
    .control-panel input[type="range"]::-webkit-slider-track,
    .gear-controls input[type="range"]::-webkit-slider-track {
        height: 10px;
    }

    .controls-panel input[type="range"]::-moz-range-track,
    .simulation-controls input[type="range"]::-moz-range-track,
    .control-panel input[type="range"]::-moz-range-track,
    .gear-controls input[type="range"]::-moz-range-track {
        height: 10px;
    }

    /* Force 3-column grids to become 2-column on tablets */
    .controls-panel [style*="grid-template-columns: 1fr 1fr 1fr"],
    .controls-panel [style*="grid-template-columns:1fr 1fr 1fr"],
    .simulation-controls [style*="grid-template-columns: 1fr 1fr 1fr"],
    .simulation-controls [style*="grid-template-columns:1fr 1fr 1fr"],
    .control-panel [style*="grid-template-columns: 1fr 1fr 1fr"],
    .control-panel [style*="grid-template-columns:1fr 1fr 1fr"],
    .gear-controls [style*="grid-template-columns: 1fr 1fr 1fr"],
    .gear-controls [style*="grid-template-columns:1fr 1fr 1fr"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Reduce minimum widths for smaller screens */
    .controls-panel [style*="display:grid"] .slider-container,
    .controls-panel [style*="display: grid"] .slider-container,
    .simulation-controls [style*="display:grid"] .slider-container,
    .simulation-controls [style*="display: grid"] .slider-container,
    .control-panel [style*="display:grid"] .slider-container,
    .control-panel [style*="display: grid"] .slider-container,
    .gear-controls [style*="display:grid"] .slider-container,
    .gear-controls [style*="display: grid"] .slider-container {
        min-width: 120px;
    }

    .controls-panel .control-row,
    .controls-panel .slider-row,
    .controls-panel .slider-container,
    .simulation-controls .control-row,
    .simulation-controls .slider-row,
    .simulation-controls .slider-container,
    .control-panel .control-row,
    .control-panel .slider-row,
    .control-panel .slider-container,
    .gear-controls .control-row,
    .gear-controls .slider-row,
    .gear-controls .slider-container {
        flex: 1 1 100%; /* Full width on small screens */
        min-width: 0; /* Remove minimum to allow flexible sizing */
        width: 100%; /* Ensure full width */
        max-width: 100%;
    }

    .controls-panel input[type="range"],
    .simulation-controls input[type="range"],
    .control-panel input[type="range"],
    .gear-controls input[type="range"] {
        width: 100px;
    }

    .sim-holder {
        min-height: 300px;
    }
}

/* Small phones - stack more (≤576px) */
@media (max-width: 576px) {
    .controls-panel,
    .simulation-controls,
    .control-panel,
    .gear-controls {
        padding: 8px;
        gap: 6px;
    }

    /* Collapse all grid layouts to single column on small phones */
    .controls-grid-2col,
    .controls-grid-3col,
    .controls-grid-auto {
        grid-template-columns: 1fr !important;
    }

    /* Force flex children to full width on phones */
    .controls-panel > .control-row,
    .controls-panel > .slider-row,
    .controls-panel > .slider-container,
    .simulation-controls > .control-row,
    .simulation-controls > .slider-row,
    .simulation-controls > .slider-container,
    .control-panel > .control-row,
    .control-panel > .slider-row,
    .control-panel > .slider-container,
    .gear-controls > .control-row,
    .gear-controls > .slider-row,
    .gear-controls > .slider-container {
        flex: 1 1 100%;
        max-width: 100%;
    }

    /* Even larger thumbs for small phones - 30px for easier touch */
    .controls-panel input[type="range"]::-webkit-slider-thumb,
    .simulation-controls input[type="range"]::-webkit-slider-thumb,
    .control-panel input[type="range"]::-webkit-slider-thumb,
    .gear-controls input[type="range"]::-webkit-slider-thumb {
        width: 30px;
        height: 30px;
        margin-top: -3px; /* Center on track: (30 - 10) / 2 - 4 = -3px */
    }

    .controls-panel input[type="range"]::-moz-range-thumb,
    .simulation-controls input[type="range"]::-moz-range-thumb,
    .control-panel input[type="range"]::-moz-range-thumb,
    .gear-controls input[type="range"]::-moz-range-thumb {
        width: 30px;
        height: 30px;
    }

    /* Force all multi-column grids to single column on small phones */
    .controls-panel [style*="grid-template-columns"],
    .simulation-controls [style*="grid-template-columns"],
    .control-panel [style*="grid-template-columns"],
    .gear-controls [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }

    /* Further reduce minimum widths for small phones */
    .controls-panel [style*="display:grid"] .slider-container,
    .controls-panel [style*="display: grid"] .slider-container,
    .simulation-controls [style*="display:grid"] .slider-container,
    .simulation-controls [style*="display: grid"] .slider-container,
    .control-panel [style*="display:grid"] .slider-container,
    .control-panel [style*="display: grid"] .slider-container,
    .gear-controls [style*="display:grid"] .slider-container,
    .gear-controls [style*="display: grid"] .slider-container {
        min-width: 0; /* Allow full flexibility on small screens */
    }

    .controls-panel .control-row,
    .controls-panel .slider-row,
    .controls-panel .slider-container,
    .simulation-controls .control-row,
    .simulation-controls .slider-row,
    .simulation-controls .slider-container,
    .control-panel .control-row,
    .control-panel .slider-row,
    .control-panel .slider-container,
    .gear-controls .control-row,
    .gear-controls .slider-row,
    .gear-controls .slider-container {
        flex: 1 1 100%;
    }

    .controls-panel input[type="range"],
    .simulation-controls input[type="range"],
    .control-panel input[type="range"],
    .gear-controls input[type="range"] {
        flex: 1 1 auto;
        width: auto;
    }

    .sim-holder {
        min-height: 250px;
    }
}

/* Extra small phones (≤320px) */
@media (max-width: 320px) {
    .controls-panel,
    .simulation-controls,
    .control-panel,
    .gear-controls {
        gap: 8px;
        padding: 8px;
    }

    .controls-panel label,
    .simulation-controls label,
    .control-panel label,
    .gear-controls label {
        font-size: 12px;
    }

    .controls-panel span,
    .simulation-controls span,
    .control-panel span,
    .gear-controls span {
        font-size: 12px;
        min-width: 25px;
    }

    .sim-holder {
        min-height: 200px;
    }
}