/* ================================================================
   Platinum Food Advisor — frontend
   ================================================================ */
.pfa-advisor {
    --pfa-primary: #5b7a3a;
    --pfa-primary-hover: #4a6630;
    --pfa-bg: #f8f6f2;
    --pfa-border: #e0dcd4;
    --pfa-text: #333;
    --pfa-text-light: #777;
    --pfa-white: #fff;
    --pfa-radius: 10px;
    --pfa-shadow: 0 2px 10px rgba(0,0,0,.07);

    max-width: 920px;
    margin: 0 auto;
    font-family: inherit;
    color: var(--pfa-text);
    line-height: 1.5;
}

/* --- Form container --- */
.pfa-form {
    background: var(--pfa-bg);
    border-radius: var(--pfa-radius);
    padding: 2rem 2.5rem;
}

/* --- Sections --- */
.pfa-section {
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--pfa-border);
}
.pfa-section--last { border-bottom: none; }

.pfa-heading {
    color: var(--pfa-primary);
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 1rem;
    letter-spacing: .02em;
}

/* ================================================================
   Pet‑type cards
   ================================================================ */
.pfa-pet-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.pfa-pet-option input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.pfa-pet-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .7rem;
    padding: 1.6rem 1rem;
    border: 2px solid var(--pfa-border);
    border-radius: var(--pfa-radius);
    cursor: pointer;
    background: var(--pfa-white);
    transition: border-color .2s, background .2s, box-shadow .2s;
    text-align: center;
}
.pfa-pet-option input:checked + label {
    border-color: var(--pfa-primary);
    background: rgba(91,122,58,.06);
    box-shadow: 0 0 0 3px rgba(91,122,58,.12);
}
.pfa-pet-icon { width: 56px; height: 56px; color: var(--pfa-primary); }
.pfa-pet-icon svg { width: 100%; height: 100%; }
.pfa-pet-label { font-weight: 700; font-size: 1.05rem; }

/* ================================================================
   Food‑type cards
   ================================================================ */
.pfa-food-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.pfa-food-option input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.pfa-food-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .6rem;
    padding: 1.4rem 1rem;
    border: 2px solid var(--pfa-border);
    border-radius: var(--pfa-radius);
    cursor: pointer;
    background: var(--pfa-white);
    transition: border-color .2s, background .2s, box-shadow .2s;
    text-align: center;
}
.pfa-food-option input:checked + label {
    border-color: var(--pfa-primary);
    background: rgba(91,122,58,.06);
    box-shadow: 0 0 0 3px rgba(91,122,58,.12);
}
.pfa-food-icon { width: 52px; height: 52px; color: var(--pfa-primary); }
.pfa-food-icon svg { width: 100%; height: 100%; }
.pfa-food-label { font-weight: 600; font-size: .95rem; }

/* ================================================================
   Range sliders
   ================================================================ */
.pfa-slider-wrap,
.pfa-weight-wrap { max-width: 100%; }

.pfa-slider-wrap input[type="range"],
.pfa-weight-wrap input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--pfa-border);
    outline: none;
    margin: .8rem 0 .4rem;
}
.pfa-slider-wrap input[type="range"]::-webkit-slider-thumb,
.pfa-weight-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--pfa-primary);
    cursor: pointer;
    border: 3px solid var(--pfa-white);
    box-shadow: var(--pfa-shadow);
}
.pfa-slider-wrap input[type="range"]::-moz-range-thumb,
.pfa-weight-wrap input[type="range"]::-moz-range-thumb {
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--pfa-primary);
    cursor: pointer;
    border: 3px solid var(--pfa-white);
    box-shadow: var(--pfa-shadow);
}

.pfa-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: .85rem;
    color: var(--pfa-text-light);
}
.pfa-slider-labels--3 span { flex: 1; }
.pfa-slider-labels--3 span:nth-child(2) { text-align: center; }
.pfa-slider-labels--3 span:last-child { text-align: right; }

/* Weight input */
.pfa-weight-input-wrap {
    display: flex;
    align-items: center;
    gap: .4rem;
    justify-content: center;
    margin-top: .8rem;
}
.pfa-weight-input-wrap input {
    width: 72px;
    text-align: center;
    border: 1px solid var(--pfa-border);
    border-radius: 6px;
    padding: .35rem .5rem;
    font-size: .95rem;
}

/* ================================================================
   Radio groups (overweight, intolerances toggle)
   ================================================================ */
.pfa-radio-group {
    display: flex;
    gap: 1.5rem;
}
.pfa-radio {
    display: flex;
    align-items: center;
    gap: .45rem;
    cursor: pointer;
    font-weight: 500;
}
.pfa-radio input[type="radio"] {
    -webkit-appearance: none;
    appearance: none;
    width: 20px; height: 20px;
    border: 2px solid var(--pfa-border);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: border-color .15s;
}
.pfa-radio input[type="radio"]:checked {
    border-color: var(--pfa-primary);
}
.pfa-radio input[type="radio"]::after {
    content: '';
    position: absolute;
    width: 10px; height: 10px;
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%) scale(0);
    background: var(--pfa-primary);
    transition: transform .15s;
}
.pfa-radio input[type="radio"]:checked::after { transform: translate(-50%,-50%) scale(1); }

/* ================================================================
   Intolerances grid
   ================================================================ */
.pfa-intol-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: .55rem;
    margin-top: 1rem;
}
.pfa-intol-item {
    display: flex;
    align-items: center;
    gap: .4rem;
    cursor: pointer;
    font-size: .92rem;
}
.pfa-intol-item input[type="checkbox"] {
    accent-color: var(--pfa-primary);
    width: 17px; height: 17px;
    cursor: pointer;
}

/* ================================================================
   Results
   ================================================================ */
.pfa-results-section { margin-top: 2.5rem; }
.pfa-results-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1.5rem;
}
.pfa-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.5rem;
}
.pfa-no-results {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--pfa-text-light);
    padding: 2rem 0;
}

/* --- Card --- */
.pfa-card {
    background: var(--pfa-white);
    border-radius: var(--pfa-radius);
    overflow: hidden;
    box-shadow: var(--pfa-shadow);
    transition: transform .2s, box-shadow .2s;
}
.pfa-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,.1);
}
.pfa-card-img { display: block; }
.pfa-card-img img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}
.pfa-card-body { padding: 1rem 1.1rem 1.2rem; }
.pfa-card-body h4 {
    margin: 0 0 .45rem;
    font-size: 1rem;
    line-height: 1.3;
}
.pfa-card-body h4 a {
    color: var(--pfa-text);
    text-decoration: none;
}
.pfa-card-body h4 a:hover { color: var(--pfa-primary); }

.pfa-price {
    color: var(--pfa-primary);
    font-weight: 700;
    margin-bottom: .75rem;
    font-size: .95rem;
}

.pfa-btn {
    display: inline-block;
    padding: .5rem 1.1rem;
    background: var(--pfa-primary);
    color: var(--pfa-white) !important;
    text-decoration: none !important;
    border-radius: 6px;
    font-size: .875rem;
    font-weight: 600;
    transition: background .2s;
}
.pfa-btn:hover { background: var(--pfa-primary-hover); }

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 680px) {
    .pfa-form { padding: 1.2rem 1rem; }
    .pfa-food-options { grid-template-columns: 1fr 1fr 1fr; gap: .6rem; }
    .pfa-food-option label { padding: 1rem .6rem; }
    .pfa-food-icon { width: 40px; height: 40px; }
}
@media (max-width: 480px) {
    .pfa-food-options { grid-template-columns: 1fr; }
    .pfa-pet-options { grid-template-columns: 1fr 1fr; }
    .pfa-results { grid-template-columns: 1fr 1fr; gap: 1rem; }
}
@media (max-width: 360px) {
    .pfa-results { grid-template-columns: 1fr; }
}