/* -- Pad Finder Block ---------------------------------------------------- */

.pf-block {
    background-color: var(--color-gray-darker, #1a2a3a);
    color: #fff;
    padding: 40px 35px 60px;
    position: relative;
    min-height: 350px;
    overflow: hidden;
}

/* -- Card Deck ----------------------------------------------------------- */

.pf-card-deck {
    display: flex;
    justify-content: center;
    gap: 12px;
    height: 120px;
    position: absolute;
    top:0px;left:0px;
    overflow: hidden;
}

.pf-card {
    width: 80px;
    height: 120px;
    border-radius: 6px;
    overflow: hidden;
    transform: translateY(-50%);
    transition: transform 0.6s ease, opacity 0.4s ease;
    opacity: 0.3;
    flex-shrink: 0;
}

.pf-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pf-card.match {
    transform: translateY(-20%);
    opacity: 1;
}

.pf-card.partial {
    transform: translateY(-40%);
    opacity: 0.6;
}

.pf-card.eliminated {
    transform: translateY(-100%);
    opacity: 0;
}

/* -- Stages -------------------------------------------------------------- */

.pf-stages {
    position: relative;
    min-height: 200px;
    margin-top:50px;
}

.pf-stage {
    display: none;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    text-align: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.pf-stage.active {
    display: block;
}

.pf-stage.visible {
    opacity: 1;
    transform: translateX(0);
}

.pf-stage.exit {
    opacity: 0;
    transform: translateX(-30px);
}

/* -- Typography ---------------------------------------------------------- */

.pf-heading {
    font-family: 'Roboto', Arial, sans-serif;
    font-size: 1.6em;
    font-weight: 700;
    margin: 0 0 8px;
    color: #fff;
}

.pf-subtext {
    font-size: 1em;
    opacity: 0.75;
    margin: 0 0 30px;
}

.pf-question {
    font-size: 1.15em;
    margin-bottom: 24px;
}

/* -- Buttons ------------------------------------------------------------- */

.pf-choices {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.pf-btn {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    font-family: 'Roboto', Arial, sans-serif;
}

.pf-btn:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.5);
}

.pf-btn.selected {
    background: var(--color-blue, #3385bd);
    border-color: var(--color-blue, #3385bd);
}

.pf-btn-restart {
    margin-top: 30px;
    opacity: 0.7;
    font-size: 0.9em;
}

/* -- Back button --------------------------------------------------------- */

.pf-back-btn {
    position: absolute;
    bottom: 16px;
    left: 35px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 0.9em;
    cursor: pointer;
    padding: 6px 12px;
    font-family: 'Roboto', Arial, sans-serif;
    transition: color 0.2s ease;
}

.pf-back-btn:hover {
    color: #fff;
}

/* -- Part number search -------------------------------------------------- */

.pf-search-wrap {
    max-width: 400px;
    margin: 0 auto;
    position: relative;
}

.pf-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.1em;
    font-family: 'Roboto', Arial, sans-serif;
    outline: none;
    box-sizing: border-box;
}

.pf-input::placeholder {
    color: rgba(255,255,255,0.4);
}

.pf-input:focus {
    border-color: var(--color-blue, #3385bd);
}

.pf-part-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    color: #333;
    border-radius: 0 0 6px 6px;
    max-height: 260px;
    overflow-y: auto;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.pf-part-result {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.pf-part-result:hover {
    background: #f0f5fa;
}

.pf-part-result .pf-part-num {
    font-weight: 700;
}

.pf-part-result .pf-part-name {
    font-size: 0.85em;
    color: #777;
}

/* -- Family grid --------------------------------------------------------- */

.pf-family-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    max-width: 700px;
    margin: 0 auto;
}

.pf-family-card {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    padding: 20px 12px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    text-align: center;
}

.pf-family-card:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.4);
}

.pf-family-card .pf-family-name {
    font-weight: 700;
    font-size: 0.95em;
}

/* -- Filter groups (Stage 3) --------------------------------------------- */

.pf-filter-groups {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 500px;
    margin: 0 auto;
}

.pf-filter-group {
    text-align: left;
}

.pf-filter-label {
    font-size: 0.85em;
    text-transform: uppercase;
    font-weight: 700;
    opacity: 0.6;
    margin-bottom: 8px;
}

.pf-filter-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.pf-filter-opt {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.25);
    color: #fff;
    padding: 8px 18px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95em;
    transition: background 0.2s ease;
    font-family: 'Roboto', Arial, sans-serif;
}

.pf-filter-opt:hover {
    background: rgba(255,255,255,0.2);
}

.pf-filter-opt.selected {
    background: var(--color-blue, #3385bd);
    border-color: var(--color-blue, #3385bd);
}

/* -- Grit grid ----------------------------------------------------------- */

.pf-grit-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
}

/* -- Results ------------------------------------------------------------- */

.pf-results {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.pf-result-card {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    padding: 20px;
    min-width: 180px;
    max-width: 240px;
    text-align: center;
}

.pf-result-card img {
    width: 100%;
    max-height: 160px;
    object-fit: contain;
    margin-bottom: 12px;
}

.pf-result-card .pf-result-name {
    font-weight: 700;
    font-size: 1.05em;
    margin-bottom: 4px;
}

.pf-result-card .pf-result-part {
    font-size: 0.85em;
    opacity: 0.65;
}

.pf-result-card .pf-result-score {
    margin-top: 8px;
    font-size: 0.8em;
    opacity: 0.5;
}

/* -- Responsive ---------------------------------------------------------- */

@media only screen and (max-width: 575px) {
    .pf-block {
        padding: 30px 20px 50px;
    }
    .pf-card-deck {
        height: 80px;
        gap: 8px;
    }
    .pf-card {
        width: 55px;
        height: 80px;
    }
    .pf-heading {
        font-size: 1.3em;
    }
    .pf-choices {
        flex-direction: column;
        align-items: center;
    }
    .pf-btn {
        width: 100%;
        max-width: 280px;
    }
    .pf-family-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}