/*
Theme Name: MesoSocks Sock Lab 2026
Theme URI: https://mesosocks.com/
Author: MesoSocks
Author URI: https://mesosocks.com/
Description: The Sock Lab — a technical, spec-led WooCommerce theme for MesoSocks. Clean white + graphite + one signal colour (electric teal). Measured claims only.
Version: 1.1.1
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mesosocks-sock-lab
Tags: woocommerce, e-commerce, custom-menu, featured-images
*/

/* ============ Tokens ============ */
:root{
  --lab-white:#ffffff;
  --lab-paper:#f7f8f8;
  --lab-graphite:#2b2f33;
  --lab-graphite-2:#4a5054;
  --lab-line:#dfe3e5;
  --lab-signal:#0097a7; /* THE one signal colour: price, key specs, CTA only */
  --lab-signal-dark:#007b87;
  --lab-radius:10px;
  --lab-font:"Helvetica Neue",Helvetica,"Segoe UI",Arial,"Liberation Sans",sans-serif;
  --lab-max:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--lab-white);color:var(--lab-graphite);font-family:var(--lab-font);font-size:16px;line-height:1.55}
img{max-width:100%;height:auto;display:block}
a{color:var(--lab-graphite);text-decoration-color:var(--lab-line)}
a:hover{text-decoration-color:var(--lab-signal)}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
.lab-wrap{max-width:var(--lab-max);margin:0 auto;padding:0 16px}
.lab-num,.price,.meso-per-pair,.lab-spec-table td,.lab-pack-ladder td{font-variant-numeric:tabular-nums lining-nums}

/* ============ Header ============ */
.lab-header{border-bottom:2px solid var(--lab-graphite);background:var(--lab-white);position:relative;z-index:40}
.lab-header-in{display:flex;align-items:center;gap:16px;padding:14px 0;flex-wrap:wrap}
.lab-logo{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;text-decoration:none}
.lab-logo .lab-logo-mark{color:var(--lab-signal)}
.lab-nav{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
.lab-nav-group{position:relative}
.lab-nav-group>span,.lab-nav a{display:inline-block;padding:8px 10px;font-size:.92rem;font-weight:600;text-decoration:none;border-radius:6px}
.lab-nav a:hover{background:var(--lab-paper)}
.lab-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:wrap}
.lab-header-tools{display:flex;gap:10px;align-items:center}
.lab-spec-strip{background:var(--lab-graphite);color:#fff;font-size:.82rem;padding:7px 0;text-align:center;letter-spacing:.02em}
.lab-spec-strip strong{color:#fff}

/* ============ Buttons / CTA (signal colour) ============ */
.button,.lab-btn,button.single_add_to_cart_button,.woocommerce a.button,.woocommerce button.button,.wc-block-cart__submit-button{
  background:var(--lab-signal)!important;border:0;border-radius:8px;color:#fff!important;
  font-weight:700;padding:12px 20px;display:inline-block;text-decoration:none;cursor:pointer;font-size:1rem;line-height:1.2}
.button:hover,.lab-btn:hover,button.single_add_to_cart_button:hover{background:var(--lab-signal-dark)!important}
.lab-btn-outline{background:var(--lab-white)!important;color:var(--lab-graphite)!important;border:2px solid var(--lab-graphite)}

/* ============ Media wrappers (no layout shift) ============ */
.lab-media{aspect-ratio:1/1;overflow:hidden;background:var(--lab-paper);border:1px solid var(--lab-line);border-radius:var(--lab-radius)}
.lab-media img{width:100%;height:100%;object-fit:cover}
.woocommerce div.product div.images .lab-media,.woocommerce ul.products li.product .lab-media{margin-bottom:10px}
.woocommerce ul.products li.product a img{aspect-ratio:1/1;object-fit:cover;border-radius:var(--lab-radius)}

/* ============ Homepage ============ */
.lab-hero{display:grid;gap:20px;padding:28px 0 8px}
.lab-hero-eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lab-graphite-2)}
.lab-hero h1{font-size:2rem}
.lab-hero-price{font-size:1.6rem;font-weight:800;color:var(--lab-signal)}
.meso-per-pair{color:var(--lab-signal);font-weight:700;font-size:.95rem}
.lab-hero-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:.92rem;color:var(--lab-graphite-2)}
@media(min-width:820px){.lab-hero{grid-template-columns:1.05fr .95fr;align-items:center}.lab-hero h1{font-size:2.7rem}}
.lab-section{padding:30px 0 6px}
.lab-section h2{font-size:1.5rem}
.lab-section-sub{color:var(--lab-graphite-2);max-width:62ch}
.lab-need-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:820px){.lab-need-grid{grid-template-columns:repeat(4,1fr)}}
.lab-need-tile{border:2px solid var(--lab-graphite);border-radius:var(--lab-radius);padding:16px;text-decoration:none;display:block;background:var(--lab-white)}
.lab-need-tile:hover{border-color:var(--lab-signal)}
.lab-need-tile h3{margin:.4em 0 .2em;font-size:1.05rem}
.lab-need-tile p{margin:0;color:var(--lab-graphite-2);font-size:.9rem}
.lab-fabric-band{background:var(--lab-paper);border-top:1px solid var(--lab-line);border-bottom:1px solid var(--lab-line)}
.lab-fabric-grid{display:grid;gap:12px}
@media(min-width:820px){.lab-fabric-grid{grid-template-columns:repeat(3,1fr)}}
.lab-fabric-panel{background:var(--lab-white);border:1px solid var(--lab-line);border-radius:var(--lab-radius);padding:18px}
.lab-fabric-panel h3{font-size:1.05rem}
.lab-fabric-panel p{color:var(--lab-graphite-2);font-size:.93rem}
.lab-guide-teaser{display:grid;gap:18px;align-items:center}
@media(min-width:820px){.lab-guide-teaser{grid-template-columns:.9fr 1.1fr}}
.lab-colour-strip{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.lab-swatch-link{display:flex;flex-direction:column;align-items:center;gap:6px;text-decoration:none;font-size:.82rem;font-weight:600}
.lab-swatch{width:44px;height:44px;border-radius:50%;border:2px solid var(--lab-line);display:inline-block}
.lab-swatch-link:hover .lab-swatch{border-color:var(--lab-signal)}

/* ============ Spec tables ============ */
.lab-spec-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.95rem}
.lab-spec-table th,.lab-spec-table td{border:1px solid var(--lab-line);padding:9px 12px;text-align:left;vertical-align:top}
.lab-spec-table th{background:var(--lab-paper);width:34%;font-weight:700}
.lab-spec-table .lab-key-spec{color:var(--lab-signal);font-weight:700}

/* ============ Product page ============ */
.woocommerce div.product .product_title{font-size:1.7rem}
.woocommerce div.product p.price,.woocommerce div.product span.price{color:var(--lab-signal);font-weight:800;font-size:1.45rem}
.lab-random-note{border:1px dashed var(--lab-graphite-2);border-radius:8px;padding:10px 12px;font-size:.9rem;color:var(--lab-graphite-2);margin:10px 0}
.lab-trust-block{border:1px solid var(--lab-line);border-radius:var(--lab-radius);padding:16px;background:var(--lab-paper);margin:18px 0}
.lab-trust-block h3{font-size:1rem;margin-bottom:.4em}
.lab-trust-block ul{margin:0;padding-left:18px}
.lab-guide-link{border:2px solid var(--lab-graphite);border-radius:var(--lab-radius);padding:14px 16px;margin:18px 0;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.lab-guide-link strong{font-size:1.02rem}
.lab-pack-ladder table{width:100%;border-collapse:collapse}
.lab-pack-ladder th,.lab-pack-ladder td{border:1px solid var(--lab-line);padding:8px 10px;text-align:left}
.lab-pack-ladder .lab-current{background:var(--lab-paper);font-weight:700}

/* Variation swatches (enhanced by assets/js/sock-lab.js from the native select) */
.lab-swatch-picker{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 12px}
.lab-swatch-btn{width:46px;height:46px;border-radius:50%;border:2px solid var(--lab-line);cursor:pointer;padding:0;background:var(--lab-paper)}
.lab-swatch-btn[aria-pressed="true"]{border-color:var(--lab-signal);box-shadow:0 0 0 2px var(--lab-signal) inset}
.lab-swatch-name{font-size:.9rem;font-weight:600}
.woocommerce div.product form.cart .variations select{min-height:46px;font-size:1rem;max-width:100%}

/* Sticky mobile Add to Cart */
.lab-sticky-atc{display:none}
@media(max-width:768px){
  .lab-sticky-atc{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:999;
    background:var(--lab-white);border-top:2px solid var(--lab-graphite);padding:10px 14px;
    gap:12px;align-items:center;justify-content:space-between}
  .lab-sticky-atc .price{color:var(--lab-signal);font-weight:800;font-size:1.15rem}
  .lab-sticky-atc a,.lab-sticky-atc button{flex:0 0 auto}
  body.single-product{padding-bottom:74px}
}

/* ============ Shop / cards ============ */
.woocommerce ul.products li.product .price{color:var(--lab-signal);font-weight:800}
.woocommerce ul.products li.product .meso-per-pair{display:block;font-size:.85rem}
.lab-cat-intro{max-width:70ch;color:var(--lab-graphite-2)}

/* ============ Guide page ============ */
.lab-guide h2{margin-top:1.4em;font-size:1.45rem}
.lab-guide .lab-guide-num{color:var(--lab-signal);font-weight:800}
.lab-height-diagram{max-width:520px;width:100%;height:auto}
.lab-faq dt{font-weight:700;margin-top:12px}
.lab-faq dd{margin:4px 0 0;color:var(--lab-graphite-2)}

/* ============ Shop archive (sidebar + grid, v1.1) ============ */
.lab-archive{display:flex;gap:26px;align-items:flex-start;padding:26px 0 10px}
.lab-archive-sidebar{flex:0 0 218px;background:var(--lab-paper);border:1px solid var(--lab-line);border-radius:var(--lab-radius);padding:16px 18px}
.lab-archive-main{flex:1 1 auto;min-width:0}
.lab-filter-group{margin:0 0 18px}
.lab-filter-group:last-child{margin-bottom:2px}
.lab-filter-group h3{font-size:.95rem;margin:0 0 8px}
.lab-filter-list{list-style:none;margin:0;padding:0}
.lab-filter-list li{margin:5px 0}
.lab-filter-list a{text-decoration:none}
.lab-filter-list a:hover{text-decoration:underline;text-decoration-color:var(--lab-signal)}
.lab-filter-list a.lab-filter-active{color:var(--lab-signal);font-weight:700}
@media(max-width:860px){
  .lab-archive{flex-direction:column}
  .lab-archive-sidebar{flex:none;width:100%}
}

/* ============ Footer ============ */
.lab-footer{background:var(--lab-graphite);color:#e8ebec;margin-top:44px;padding:34px 0 26px}
.lab-footer a{color:#fff}
.lab-footer-grid{display:grid;gap:20px}
@media(min-width:820px){.lab-footer-grid{grid-template-columns:repeat(3,1fr)}}
.lab-footer h3{color:#fff;font-size:1rem}
.lab-footer ul{list-style:none;margin:0;padding:0}
.lab-footer li{margin:6px 0}
.lab-footer-small{font-size:.85rem;color:#c6cbcd;margin-top:20px}