body:has(.sc-sudoku-app) {
    overflow-y: scroll;
}

.sc-sudoku-app {
    max-width: 660px;
    margin: 18px auto 40px;
    padding: 18px;
    border: 1px solid #eee;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
    background: #fff
}

/* --- Fullscreen Simulation for iOS/Mobile --- */
body.sc-simulated-fullscreen {
    overflow: hidden;
    /* Hide body scrollbars */
}

.sc-sudoku-app.sc-simulated-fullscreen-active {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    max-width: 100%;
    border-radius: 0;
    overflow-y: auto;
    background-color: #fff;
}

.sc-sudoku-top {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px
}

.sc-sudoku-title {
    text-align: center;
    font-size: 24px;
    font-weight: 500;
    margin-top: 0;
    margin-bottom: 15px;
}

.sc-tab-container {
    display: flex;
    justify-content: center;
    gap: 6px;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 15px;
}

.sc-tab-button {
    padding: 5px 16px;
    cursor: pointer;
    border: none;
    background: #f3f4f6;
    font-size: 18px;
    font-weight: 500;
    color: #374151;
    border-radius: 8px 8px 0 0;
}

.sc-tab-button.active {
    background-color: #2563eb;
    color: #ffffff;
}

/* Override theme hover/focus styles for tabs */
.sc-tab-button:hover,
.sc-tab-button:focus,
.sc-tab-button:active {
    background-color: #f3f4f6;
    /* Keep base color for inactive */
    color: #374151;
    outline: none;
    transform: none;
    /* Remove click effect */
}

.sc-tab-button.active:hover,
.sc-tab-button.active:focus,
.sc-tab-button.active:active {
    background-color: #2563eb;
    /* Keep active color */
    color: #ffffff;
    /* Keep text color white */
}

.sc-tab-content {
    display: none;
}

.sc-tab-content.active {
    display: block;
    padding: 0 15px;
    /* Add horizontal padding for content */
}

.sc-sudoku-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.sc-sudoku-btn {
    padding: 0 7px;
    border-radius: 8px;
    border: 1px solid #d0d7de;
    background: #f8f9fb;
    cursor: pointer;
    font-weight: 500;
    color: #1f2937;
    font-size: 15px;
}

/* Override theme hover/focus styles for buttons */
.sc-sudoku-btn:hover,
.sc-sudoku-btn:focus,
.sc-sudoku-btn:active {
    background: #f8f9fb;
    border-color: #d0d7de;
    color: #1f2937;
    outline: none;
    box-shadow: none;
}

#sc-fullscreen-btn,
#sc-mute-toggle-btn,
#sc-pause-resume-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

#sc-pause-resume-btn {
    display: none;
    /* Hidden by default */
}

#sc-enter-fullscreen-icon,
#sc-exit-fullscreen-icon,
#sc-unmute-icon,
#sc-mute-icon,
#sc-pause-icon,
#sc-resume-icon {
    width: 20px;
    height: 20px;
}

#sc-unmute-icon,
#sc-mute-icon {
    display: none;
    /* Controlled by JS */
}

.sc-note-toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 16px;
}

.sc-board-wrapper {
    position: relative;
    margin: 0 auto;
}

.sc-sudoku-select {
    padding: 8px;
    font-size: 15px;
    border-radius: 8px;
    border: 1px solid #d0d7de
}

/* Override WP theme styles for select and number inputs to ensure consistent styling */
.sc-sudoku-app select.sc-sudoku-select,
.sc-sudoku-app input[type="number"].sc-sudoku-select {
    background-color: #fff;
    outline: none;
    box-shadow: none;
    border-radius: 8px;
    border: 1px solid #d0d7de;
}

.sc-sudoku-app select.sc-sudoku-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 20 20' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 8L10 12L14 8' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    background-size: 20px;
    padding-right: 35px;
    cursor: pointer;
}

.sc-sudoku-app select.sc-sudoku-select:focus,
.sc-sudoku-app input[type="number"].sc-sudoku-select:focus {
    border-color: #8ab4f8;
    /* Light blue highlight on focus */
}

.sc-pause-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.85);
    display: none;
    /* Hidden by default */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    border-radius: 2px;
    /* To match board border */
}

/* Board */
.sc-sudoku-board {
    display: grid;
    gap: 0;
    background: #000;
    margin: 0 auto;
    border: 2px solid #000;
    width: 100%;
    /* Allow it to be responsive */
    box-sizing: border-box;
    /* Include border in the width calculation */
}

.sc-sudoku-row {
    display: contents;
}
    
.sc-sudoku-board.sc-board-paused .sc-sudoku-cell input,
.sc-sudoku-board.sc-board-paused .sc-candidates {
    visibility: hidden;
}

.sc-pause-icon-wrapper {
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    padding: 15px;
    /* Reduced padding to maintain background size */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.sc-pause-icon-wrapper:hover {
    transform: scale(1.05);
}

.sc-pause-icon-wrapper svg {
    width: 90px;
    /* Increased icon size */
    height: 90px;
    /* Increased icon size */
    color: #fff;
}

.sc-sudoku-cell {
    position: relative;
    background: #fff;
    aspect-ratio: 1;
    /* Ensure cells are always square */
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #c5cdda;
    box-sizing: border-box;
}

.sc-sudoku-cell.sc-cell-active {
    box-shadow: inset 0 0 0 1px #7498e8;
    z-index: 1;
}

.sc-sudoku-app .sc-sudoku-cell input[type="text"],
.sc-sudoku-app .sc-sudoku-cell input[type="text"]:focus,
.sc-sudoku-app .sc-sudoku-cell input[type="text"]:active {
    /* Override WP theme styles for cell inputs */
    width: 100%;
    height: 100%;
    border: 0;
    outline: none;
    font-size: 22px;
    text-align: center;
    background-color: transparent;
    box-shadow: none;
    border-radius: 0;
    /* Cells should be square */
    color: #1d4ed8;
    /* A nice blue for user-entered values */
}

.sc-sudoku-cell input.sc-cell-error {
    color: #ef4444;
    /* Red for incorrect inputs */
    font-weight: 500;
}

.sc-sudoku-cell[aria-readonly="true"] {
    background: #f1f5f9;
}

/* Use a darker color for the pre-filled puzzle numbers and prevent color change on focus */
.sc-sudoku-app .sc-sudoku-cell[aria-readonly="true"] input,
.sc-sudoku-app .sc-sudoku-cell[aria-readonly="true"] input:focus,
.sc-sudoku-app .sc-sudoku-cell[aria-readonly="true"] input:active {
    color: #1f2937;
}

/* thicker box borders for 3x3 sections */
.sc-sudoku-cell.sc-border-right {
    border-right: 2px solid #4b5563;
}

.sc-sudoku-cell.sc-border-bottom {
    border-bottom: 2px solid #4b5563;
}

.sc-sudoku-cell.sc-border-left {
    border-left: 2px solid #4b5563;
}

.sc-sudoku-cell.sc-border-top {
    border-top: 2px solid #4b5563;
}

.sc-numpad {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    border: 1px solid #d0d7de;
    border-radius: 8px;
    overflow: hidden;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.sc-numpad-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    font-size: 22px;
    font-weight: 500;
    color: #1f2937;
    border-radius: 0;
    border: none;
    border-right: 1px solid #d0d7de;
    background: #f8f9fb;
    cursor: pointer;
    transition: background-color 0.2s;
}

.sc-numpad-btn:last-child {
    border-right: none;
}

/* Override theme hover/focus styles for numpad */
.sc-numpad-btn:hover,
.sc-numpad-btn:focus,
.sc-numpad-btn:active {
    background-color: #f8f9fb;
    color: #1f2937;
    outline: none;
    box-shadow: none;
}

.sc-numpad-btn svg {
    width: 24px;
    height: 24px;
    pointer-events: none;
    /* Make sure clicks go to the button */
    display: block;
    stroke: currentColor;
    /* Use the button's text color for the icon stroke */
}

/* Small helper row for notes (candidates) shown inside cell when in note mode */
.sc-candidates {
    position: absolute;
    inset: 2px;
    font-size: 9px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    color: #444;
    pointer-events: none;
    text-align: center;
}

.sc-sudoku-message {
    text-align: center;
    font-size: 16px;
    padding-bottom: 5px;
    color: #334155;
    font-weight: 500;
    height: 0;
    opacity: 0;
    overflow: hidden;
    transition: height 0.3s ease, opacity 0.3s ease, margin-bottom 0.3s ease;
}

.sc-sudoku-message:not(:empty) {
    height: 30px;
    opacity: 1;
}

.sc-sudoku-timer {
    font-size: 18px;
    font-weight: 500;
    color: #9216a7;
    display: none;
    /* Hidden by default */
    text-align: center;
    margin-bottom: 5px;
}

.sc-settings-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: fit-content;
    margin: 0 auto;
    align-items: flex-start;
    /* Align items to prevent stretching */
}

.sc-settings-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.sc-settings-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sc-radio-group {
    display: flex;
    gap: 15px;
    align-items: center;
    /* Vertically center the radio labels */
}

.sc-sudoku-app input[type="checkbox"],
.sc-sudoku-app input[type="radio"] {
    width: 1.15em;
    height: 1.15em;
    cursor: pointer;
    margin: 0;
    /* Reset default margin to fix alignment */
}

/* Override theme focus styles for checkboxes and radios */
.sc-sudoku-app input[type="checkbox"]:focus,
.sc-sudoku-app input[type="radio"]:focus {
    outline: none;
}

#sc-timer-options {
    display: none;
    /* Hidden by default */
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    margin-left: 10px;
    border-left: 2px solid #e5e7eb;
    margin-top: 5px;
    /* Reduced space from 15px */
}

#sc-countdown-setting {
    display: none;
    /* Hidden by default, controlled by JS */
}

#sc-timer-duration {
    width: 70px;
}

/* Hide spinners from number input */
.sc-sudoku-app input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.sc-sudoku-app input[type="number"]::-webkit-outer-spin-button,
.sc-sudoku-app input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.sc-settings-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 25px;
}

.sc-numpad-btn {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sc-settings-actions .sc-sudoku-btn {
    padding: 8px 13px;
    font-size: 16px;
}

#sc-clear-settings-btn {
    background-color: #6c757d;
    color: white;
}

#sc-save-settings-btn {
    background-color: #0c8579;
    color: white;
}

/* Override theme hover/focus styles for specific buttons */
#sc-clear-settings-btn:hover,
#sc-clear-settings-btn:focus {
    background-color: #6c757d;
}

#sc-save-settings-btn:hover,
#sc-save-settings-btn:focus {
    background-color: #0c8579;
}

/* Add a consistent click effect for all buttons inside the app */
.sc-sudoku-app button:active {
    transform: scale(0.98);
}

.faq-list {
    margin-top: 1rem;
}

.faq-list dt {
    font-weight: 500;
    font-size: 1.1em;
}

.faq-list dd {
    margin-left: 0;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    padding-bottom: 10px;
    border-bottom: 1px dashed #ddd;
}

/* Mobile responsiveness */
@media(max-width:720px) {
    .sc-sudoku-app {
        padding-left: 0;
        padding-right: 0;
        border-radius: 0;
        box-shadow: none;
        border-left: none;
        border-right: none;
    }

    .sc-tab-content.active {
        padding-left: 0;
        padding-right: 0;
    }

    .sc-numpad-btn {
        width: 50px;
        height: 50px;
        padding: 0;
        font-size: 20px;
        border: 1px solid #d0d7de;
        /* Add border to all sides */
        border-top: none;
        /* Remove top border to avoid double borders */
        border-left: none;
        /* Remove left border to avoid double borders */
        box-sizing: border-box;
        /* Ensure border is included in size */
    }

    .sc-numpad {
        flex-wrap: wrap;
    }

    .sc-sudoku-app .sc-sudoku-cell input[type="text"] {
        font-size: 18px;
        padding: 0;
    }

    .sc-candidates {
        font-size: 6px;
        inset: 3px;
        gap: 0;
        padding: 0;
        text-align: center;
    }

    /* Add padding in fullscreen on mobile to prevent grid from sticking to edges */
    #sc-sudoku-app:-webkit-full-screen,
    #sc-sudoku-app:-moz-full-screen,
    #sc-sudoku-app:-ms-fullscreen,
    #sc-sudoku-app:fullscreen,
    .sc-sudoku-app.sc-simulated-fullscreen-active {
        padding-left: 5px;
        padding-right: 5px;
    }
    
    .sc-sudoku-btn {
        padding: 8px;
    }
}