/* ============================================================
   Healthy Weight Calculator - Premium Design
   Follows existing PUTE design system (orange scheme)
   ============================================================ */

.puthw-section .pute-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px 50px;
}

/* --- Section --- */
.puthw-section {
    padding: 0;
}

/* --- Controls Bar --- */
.puthw-controls-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
    background: var(--st-white);
    border: 2px solid #ffe0cc;
    border-radius: var(--st-radius);
    box-shadow: var(--st-shadow);
    padding: 10px 16px;
    flex-wrap: wrap;
}

/* --- Unit Toggle --- */
.puthw-unit-toggle {
    display: flex;
    gap: 8px;
}

.puthw-unit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 700;
    border: 2.5px solid var(--st-border);
    border-radius: 50px;
    background: var(--st-white);
    color: var(--st-text-light);
    cursor: pointer;
    transition: var(--st-transition);
}

.puthw-unit-btn .dashicons {
    font-size: 1.1rem;
    width: 20px;
    height: 20px;
}

.puthw-unit-btn:hover {
    border-color: #ffb347;
    color: var(--st-primary);
}

.puthw-unit-btn.puthw-active {
    background: var(--st-gradient);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(255, 77, 0, 0.3);
}

.puthw-unit-btn.puthw-active .dashicons {
    color: #ffffff;
}

/* --- Layout --- */
.puthw-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
}

/* --- Calculator Card --- */
.puthw-calc-card {
    background: var(--st-white);
    border-radius: var(--st-radius);
    box-shadow: var(--st-shadow-md);
    border: 2px solid #ffe0cc;
    overflow: hidden;
}

.puthw-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 28px;
    background: linear-gradient(135deg, #fff4ef 0%, #ffe0cc 50%, #fff8f0 100%);
    border-bottom: 2px solid #ffe0cc;
}

.puthw-card-header .dashicons {
    font-size: 1.5rem;
    width: 30px;
    height: 30px;
    color: var(--st-primary);
}

.puthw-card-header h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--st-secondary);
    margin: 0;
}

/* --- Form --- */
.puthw-form {
    padding: 28px;
}

.puthw-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
    margin-bottom: 10px;
}

.puthw-field {
    margin-bottom: 18px;
}

.puthw-field > label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--st-secondary);
    margin-bottom: 8px;
}

.puthw-input-wrap {
    position: relative;
}

.puthw-input-wrap input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    padding-right: 60px;
    border: 2px solid #ffe0cc;
    border-radius: var(--st-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--st-secondary);
    background: var(--st-white);
    transition: var(--st-transition);
    -moz-appearance: textfield;
}

.puthw-input-wrap input[type="number"]::-webkit-inner-spin-button,
.puthw-input-wrap input[type="number"]::-webkit-outer-spin-button {
    opacity: 1;
}

.puthw-input-wrap input[type="number"]:focus {
    border-color: #ff4d00;
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.12);
}

.puthw-unit-label {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--st-text-light);
    pointer-events: none;
}

.puthw-field-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--st-text-light);
    margin-top: 6px;
    font-style: italic;
}

.puthw-input-row {
    display: flex;
    gap: 12px;
}

.puthw-half {
    flex: 1;
}

/* --- Radio Group --- */
.puthw-radio-group {
    display: flex;
    gap: 20px;
}

.puthw-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 20px;
    border: 2px solid #ffe0cc;
    border-radius: var(--st-radius-sm);
    transition: var(--st-transition);
    flex: 1;
}

.puthw-radio:hover {
    border-color: #ffb347;
}

.puthw-radio input {
    display: none;
}

.puthw-radio-mark {
    width: 20px;
    height: 20px;
    border: 2.5px solid #d1d5db;
    border-radius: 50%;
    position: relative;
    transition: var(--st-transition);
    flex-shrink: 0;
}

.puthw-radio-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--st-gradient);
    transition: transform 0.2s ease;
}

.puthw-radio input:checked ~ .puthw-radio-mark {
    border-color: var(--st-primary);
}

.puthw-radio input:checked ~ .puthw-radio-mark::after {
    transform: translate(-50%, -50%) scale(1);
}

.puthw-radio input:checked ~ .puthw-radio-label {
    color: var(--st-primary);
    font-weight: 700;
}

.puthw-radio-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--st-text);
}

/* --- Buttons --- */
.puthw-btn-group {
    display: flex;
    gap: 14px;
    margin-top: 10px;
}

.puthw-btn-group .pute-btn {
    flex: 1;
}

/* --- Results Card --- */
.puthw-result-card {
    background: var(--st-white);
    border-radius: var(--st-radius);
    box-shadow: var(--st-shadow-lg);
    border: 2px solid #d1fae5;
    overflow: hidden;
    animation: putFadeInUp 0.5s ease;
}

@keyframes putFadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.puthw-result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 28px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-bottom: 2px solid #d1fae5;
}

.puthw-result-header .dashicons {
    font-size: 1.5rem;
    width: 30px;
    height: 30px;
    color: var(--st-success);
}

.puthw-result-header h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--st-secondary);
    margin: 0;
}

/* --- Result Main --- */
.puthw-result-main {
    text-align: center;
    padding: 32px 28px 20px;
}

.puthw-result-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.puthw-result-pair {
    text-align: center;
}

.puthw-result-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--st-secondary);
    line-height: 1;
    letter-spacing: -0.03em;
}

.puthw-result-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--st-text-light);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.puthw-result-sep {
    font-size: 2rem;
    font-weight: 300;
    color: var(--st-text-light);
    padding-top: 0;
}

.puthw-result-unit-label {
    font-size: 1rem;
    color: var(--st-text-light);
    font-weight: 600;
    margin-top: 8px;
}

.puthw-result-category {
    display: inline-block;
    margin-top: 14px;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
    animation: putFadeInUp 0.4s ease 0.1s both;
}

/* --- Gauge --- */
.puthw-gauge-wrap {
    padding: 0 28px 24px;
}

.puthw-gauge {
    position: relative;
    margin-bottom: 8px;
}

.puthw-gauge-track {
    display: flex;
    height: 14px;
    border-radius: 7px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.puthw-gauge-segment {
    flex: 1;
}

.puthw-seg-under   { background: #3b82f6; }
.puthw-seg-healthy { background: #22c55e; }
.puthw-seg-over    { background: #ef4444; }

.puthw-gauge-pointer {
    position: absolute;
    top: -5px;
    left: 50%;
    width: 4px;
    height: 24px;
    background: var(--st-secondary);
    border-radius: 2px;
    transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.puthw-gauge-pointer::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    width: 12px;
    height: 12px;
    background: var(--st-secondary);
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.puthw-gauge-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--st-text-light);
    padding: 0 2px;
    text-align: center;
}

.puthw-gauge-labels small {
    font-weight: 400;
    opacity: 0.7;
}

/* --- Result Details --- */
.puthw-result-details {
    padding: 0 28px 20px;
}

.puthw-detail-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border: 1.5px solid #d1fae5;
    border-radius: var(--st-radius-sm);
    margin-bottom: 8px;
    transition: var(--st-transition);
}

.puthw-detail-row:last-child {
    margin-bottom: 0;
}

.puthw-detail-row:hover {
    border-color: var(--st-success);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.1);
}

.puthw-detail-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--st-text-light);
}

.puthw-detail-value {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--st-secondary);
}

/* --- Result Actions --- */
.puthw-result-actions {
    display: flex;
    gap: 10px;
    padding: 0 28px 20px;
    justify-content: center;
}

.puthw-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid #d1fae5;
    border-radius: 50px;
    background: #f0fdf4;
    color: var(--st-success);
    cursor: pointer;
    transition: var(--st-transition);
}

.puthw-action-btn:hover {
    background: var(--st-success);
    color: #ffffff;
    border-color: var(--st-success);
}

.puthw-action-btn .dashicons {
    font-size: 1rem;
    width: 18px;
    height: 18px;
}

/* --- Disclaimer --- */
.putcal-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 32px 0;
    padding: 20px 24px;
    background: linear-gradient(135deg, #fef3c7 0%, #fef9e7 50%, #fffbeb 100%);
    border: 1.5px solid #f59e0b;
    border-left: 4px solid #f59e0b;
    border-radius: var(--st-radius);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.1);
}

.putcal-disclaimer .dashicons {
    font-size: 1.3rem;
    width: 26px;
    height: 26px;
    color: #d97706;
    flex-shrink: 0;
    margin-top: 1px;
}

.putcal-disclaimer p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.65;
    color: #92400e;
}

.putcal-disclaimer strong {
    color: #78350f;
}

/* ============================================================
   INFO SECTION
   ============================================================ */
.puthw-info-section {
    padding: 0;
}

.puthw-info-wrap {
    max-width: 740px;
    margin: 0 auto;
}

.puthw-info-card {
    background: linear-gradient(180deg, #ffffff 0%, #fff8f0 100%);
    border: 1px solid #ffe0cc;
    border-radius: var(--st-radius);
    padding: 28px 32px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(255, 77, 0, 0.04);
}

.puthw-info-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--st-heading);
    margin: 0 0 10px;
}

.puthw-info-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--st-text);
    margin: 0 0 12px;
}

.puthw-info-card p:last-child {
    margin-bottom: 0;
}

.puthw-info-card ul.puthw-info-list {
    margin: 8px 0 0;
    padding-left: 20px;
}

.puthw-info-card ul.puthw-info-list li {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--st-text);
    margin-bottom: 6px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .puthw-section {
        padding: 0;
    }

    .puthw-info-section {
        padding: 0;
    }

    .puthw-info-card {
        padding: 20px;
    }

    .puthw-controls-bar {
        flex-direction: column;
        align-items: center;
        padding: 10px 14px;
    }

    .puthw-unit-toggle {
        justify-content: center;
    }

    .puthw-form {
        padding: 20px;
    }

    .puthw-form-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .puthw-card-header {
        padding: 16px 20px;
    }

    .puthw-result-main {
        padding: 24px 20px 18px;
    }

    .puthw-result-numbers {
        flex-direction: column;
        gap: 8px;
    }

    .puthw-result-sep {
        display: none;
    }

    .puthw-result-value {
        font-size: 2.4rem;
    }

    .puthw-radio-group {
        flex-direction: column;
        gap: 10px;
    }

    .puthw-input-row {
        flex-direction: column;
        gap: 10px;
    }

    .puthw-btn-group {
        flex-direction: column;
    }

    .puthw-result-details {
        padding: 0 20px 16px;
    }

    .puthw-gauge-wrap {
        padding: 0 20px 20px;
    }

    .puthw-result-actions {
        padding: 0 20px 16px;
    }

    .putbmi-table {
        font-size: 0.85rem;
    }

    .putbmi-table thead th,
    .putbmi-table tbody td {
        padding: 10px 14px;
    }
}