/* =========================================================
   LearnDash Dynamic Quiz — Selector UI
   Minimal, theme-agnostic styling.
   Uses CSS custom properties so themes can override easily.
   ========================================================= */

:root {
    --ldq-accent:          #2271b1;   /* WP admin blue — neutral default */
    --ldq-accent-hover:    #135e96;
    --ldq-selected-bg:     #2271b1;
    --ldq-selected-text:   #ffffff;
    --ldq-border:          #dcdcde;
    --ldq-radius:          6px;
    --ldq-font-size-num:   2rem;
    --ldq-font-size-label: 0.75rem;
    --ldq-error-color:     #d63638;
    --ldq-gap:             0.75rem;
}

/* Wrapper */
.ldq-selector {
    margin-bottom: 1.5rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var( --ldq-border );
    border-radius: var( --ldq-radius );
    background: #f9f9f9;
}

.ldq-selector__prompt {
    margin: 0 0 1rem;
    font-weight: 600;
    font-size: 1rem;
}

/* Option buttons row */
.ldq-selector__options {
    display: flex;
    flex-wrap: wrap;
    gap: var( --ldq-gap );
}

/* Individual option button */
.ldq-option-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 90px;
    padding: 0.75rem 1rem;
    border: 2px solid var( --ldq-border );
    border-radius: var( --ldq-radius );
    background: #fff;
    cursor: pointer;
    transition:
        border-color 0.15s ease,
        background   0.15s ease,
        color        0.15s ease,
        transform    0.1s ease;
    line-height: 1.2;
}

.ldq-option-btn:hover:not( :disabled ) {
    border-color: var( --ldq-accent );
    transform: translateY( -1px );
}

.ldq-option-btn:focus-visible {
    outline: 3px solid var( --ldq-accent );
    outline-offset: 2px;
}

.ldq-option-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Selected state */
.ldq-option-btn.is-selected,
.ldq-option-btn[aria-pressed="true"] {
    background: var( --ldq-selected-bg );
    border-color: var( --ldq-selected-bg );
    color: var( --ldq-selected-text );
}

.ldq-option-btn__number {
    font-size: var( --ldq-font-size-num );
    font-weight: 700;
}

.ldq-option-btn__label {
    font-size: var( --ldq-font-size-label );
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.8;
}

/* Error message */
.ldq-selector__error {
    margin: 0.75rem 0 0;
    color: var( --ldq-error-color );
    font-size: 0.875rem;
    font-weight: 500;
}

.ldq-selector__error[hidden] {
    display: none;
}

/* Responsive */
@media ( max-width: 480px ) {
    .ldq-option-btn {
        flex: 1 1 calc( 33% - var( --ldq-gap ) );
    }
}

/* -------------------------------------------------------
   Locked state — applied after Start Quiz is clicked
   ------------------------------------------------------- */

.ldq-selector.is-locked {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.ldq-selector.is-locked::after {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    cursor: not-allowed;
    border-radius: var( --ldq-radius );
}

/* Hide non-selected buttons when locked */
.ldq-selector.is-locked .ldq-option-btn:not( .is-selected ) {
    opacity: 0;
    pointer-events: none;
}

/* Keep the selected button fully visible when locked */
.ldq-selector.is-locked .ldq-option-btn.is-selected {
    opacity: 1;
    cursor: default;
}

/* Show checkmark on the prompt when locked */
.ldq-selector.is-locked .ldq-selector__prompt::after {
    content: ' \2713';
    font-size: 0.85em;
    color: #2271b1;
    font-weight: 400;
}


/* ==========================================================
   Category Selector Panel  (v1.4.0)
   ========================================================== */

.ldq-cat-selector {
    margin-bottom: 1rem;
    padding: 1.25rem 1.5rem;
    border: 1px solid var( --ldq-border );
    border-radius: var( --ldq-radius );
    background: #f9f9f9;
}

.ldq-cat-selector__prompt {
    margin: 0 0 0.75rem;
    font-weight: 600;
    font-size: 1rem;
}

/* Toolbar: Select all / Deselect all */
.ldq-cat-selector__toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.ldq-cat-btn-all {
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    border: 1px solid var( --ldq-border );
    border-radius: var( --ldq-radius );
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.ldq-cat-btn-all:hover:not( :disabled ) {
    border-color: var( --ldq-accent );
    background: var( --ldq-accent );
    color: #fff;
}

/* Category list — 2-column grid on wider screens */
.ldq-cat-selector__list {
    display: grid;
    grid-template-columns: repeat( auto-fill, minmax( 220px, 1fr ) );
    gap: 0.5rem 1.5rem;
}

/* Loading placeholder */
.ldq-cat-loading {
    font-style: italic;
    color: #888;
    font-size: 0.875rem;
}

/* Individual category row */
.ldq-cat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.3rem 0.4rem;
    border-radius: 4px;
    transition: background 0.12s;
    user-select: none;
}

.ldq-cat-item:hover {
    background: #ececec;
}

.ldq-cat-checkbox {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    accent-color: var( --ldq-accent );
    cursor: pointer;
}

.ldq-cat-item__name {
    flex: 1;
    line-height: 1.3;
}

.ldq-cat-item__count {
    color: #888;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Error */
.ldq-cat-selector__error {
    margin: 0.75rem 0 0;
    color: var( --ldq-error-color );
    font-size: 0.875rem;
    font-weight: 500;
}

.ldq-cat-selector__error[hidden] { display: none; }

/* Locked state */
.ldq-cat-selector.is-locked {
    opacity: 0.55;
    pointer-events: none;
    position: relative;
}

.ldq-cat-selector.is-locked::after {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    cursor: not-allowed;
    border-radius: var( --ldq-radius );
}

/* Keep checked items readable when locked */
.ldq-cat-selector.is-locked .ldq-cat-checkbox:checked + .ldq-cat-item__name {
    opacity: 1;
}

@media ( max-width: 480px ) {
    .ldq-cat-selector__list {
        grid-template-columns: 1fr;
    }
}
input.wpProQuiz_button.ldq-btn-disabled,
input.wpProQuiz_startButton.ldq-btn-disabled,
button.wpProQuiz_startButton.ldq-btn-disabled {
    opacity: 0.45;
    cursor: not-allowed !important;
    pointer-events: none;
    /* Desaturate any theme colour on the button */
    filter: grayscale( 60% );
    /* Smooth transition when re-enabled */
    transition: opacity 0.2s ease, filter 0.2s ease;
}

/* Transition when enabled so it doesn't snap */
input.wpProQuiz_button,
input.wpProQuiz_startButton,
button.wpProQuiz_startButton {
    transition: opacity 0.2s ease, filter 0.2s ease;
}
.wpProQuiz_results p:first-of-type {
    display: none;
}