/* ===========================
   CONVERTER TOOL PAGE STYLES
   =========================== */

.tool-page {
    padding: 140px 0 80px;
    min-height: 100vh;
}
.tool-header {
    text-align: center;
    margin-bottom: 40px;
}
.tool-title {
    font-size: clamp(32px, 5vw, 52px);
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}
.tool-desc {
    font-size: 17px;
    color: var(--gray-500);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Converter */
.tool-converter {
    max-width: 720px;
    margin: 0 auto 48px;
}
.converter-large {
    padding: 8px 8px 8px 20px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
}
.converter-large .converter-input { font-size: 16px; }
.converter-large .converter-btn { padding: 14px 28px; }

.nav-link.active { color: var(--orange); }

.converter-error {
    margin: 12px 0 0;
    font-size: 14px;
    color: #c53030;
    line-height: 1.5;
}
.converter-error.hidden { display: none; }

/* Spinner */
.btn-spinner {
    animation: spin 1s linear infinite;
}
.btn-spinner.hidden { display: none; }
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Result Card */
.tool-result {
    max-width: 880px;
    margin: 0 auto 80px;
}
.result-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 36px 36px 0;
    gap: 24px;
}
.result-title {
    font-size: 28px;
    margin: 8px 0 14px;
    letter-spacing: -0.02em;
}
.result-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.stat {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--gray-500);
}
.stat strong { color: var(--dark); }
.stat svg { opacity: .5; }

/* Serving Scaler */
.serving-scaler {
    flex-shrink: 0;
    text-align: center;
}
.serving-scaler label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--gray-400);
    margin-bottom: 8px;
}
.scaler-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 4px;
}
.scaler-btn {
    width: 32px; height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    transition: all .15s;
}
.scaler-btn:hover { border-color: var(--orange); color: var(--orange); }
.scaler-value {
    width: 36px;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Fraunces', serif;
}

/* Result Body */
.result-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 32px 0;
}
.result-col {
    padding: 0 36px;
}
.result-col:first-child {
    border-right: 1px solid var(--gray-200);
}
.result-col h3 {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    margin-bottom: 20px;
}

/* Ingredients */
.ingredient-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}
.ingredient-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-600);
}
.ingredient-list input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: 20px; height: 20px;
    border: 1.5px solid var(--gray-300);
    border-radius: 5px;
    flex-shrink: 0;
    cursor: pointer;
    transition: all .15s;
    position: relative;
}
.ingredient-list input[type="checkbox"]:checked {
    background: var(--teal);
    border-color: var(--teal);
}
.ingredient-list input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}
.ingredient-list input[type="checkbox"]:checked + .amount,
.ingredient-list input[type="checkbox"]:checked + .amount + span,
.ingredient-list input[type="checkbox"]:checked + span {
    text-decoration: line-through;
    opacity: .4;
}
.amount {
    font-weight: 600;
    color: var(--dark);
    min-width: 24px;
}
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* Instructions */
.instruction-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    counter-reset: none;
}
.instruction-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.step-badge {
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    color: var(--orange);
    font-size: 13px;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
}
.instruction-list p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Result Actions */
.result-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 36px;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* SEO Content */
.seo-content {
    max-width: 680px;
    margin: 0 auto;
    padding: 48px 0;
    border-top: 1px solid var(--gray-200);
}
.seo-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
}
.seo-content h3 {
    font-size: 20px;
    margin: 28px 0 10px;
}
.seo-content p {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 12px;
}

/* Tool footer */
.tool-footer { padding: 32px 0; }
.tool-footer .footer-socials a {
    font-size: 13px;
    color: var(--gray-500);
}
.tool-footer .footer-socials a:hover { color: var(--dark); }

/* Responsive */
@media (max-width: 768px) {
    .result-header { flex-direction: column; padding: 24px 20px 0; }
    .result-body { grid-template-columns: 1fr; }
    .result-col { padding: 0 20px; }
    .result-col:first-child { border-right: none; border-bottom: 1px solid var(--gray-200); padding-bottom: 28px; margin-bottom: 4px; }
    .result-actions { padding: 16px 20px; flex-wrap: wrap; }
    .converter-large { flex-direction: column; padding: 12px; }
    .converter-large .converter-btn { width: 100%; justify-content: center; }
    .converter-large .converter-icon { display: none; }
}