/* ==========================================================================
   shop.css — Utility and component styles for Vista Readers
   Base typography, resets, and design-theme styles are handled by
   /css/reset.css and /css/main.css. This file covers shared utilities,
   forms, modals, cart/checkout helpers, and new-design UI additions.
   ========================================================================== */

/* Internal design tokens (used below — do not conflict with main.css vars) */
:root {
  --ink:        #1a1a1a;
  --ink-muted:  #6b7280;
  --ink-faint:  #9ca3af;
  --border:     #e5e7eb;
  --surface:    #f8f7f5;
  --navy:       #1c2b3a;
  --gold:       #c9a96e;
  --gold-light: #f5efe3;
  --r-sm: 4px; --r: 8px; --r-lg: 14px;
  --sh-sm: 0 1px 3px rgba(0,0,0,.08);
  --sh:    0 4px 16px rgba(0,0,0,.10);
  --sh-lg: 0 12px 40px rgba(0,0,0,.14);
  --ease: 200ms ease;
  --wrap: 1200px;
  --pad: clamp(16px,4vw,48px);
  --font-head: "Instrument Serif", serif;
  --font-body: "Google Sans Flex", sans-serif;
}

/* ── Layout utilities ────────────────────────────────────────────────────── */
.wrapper-lrg{width:100%;max-width:1400px;margin-inline:auto;padding-inline:var(--pad)}
.wrapper-sml{width:100%;max-width:860px;margin-inline:auto;padding-inline:var(--pad)}
.grid{display:grid;gap:24px}
.flex-row{display:flex;align-items:center;gap:16px}
.text-right{text-align:right} .text-center{text-align:center}
.grey-bg{background:var(--surface)}

/* ── Forms ───────────────────────────────────────────────────────────────── */
.form-input{margin-bottom:18px}
.form-input label{display:block;font-size:.8125rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:6px}
.form-input input,.form-input select,.form-input textarea{width:100%;border:1.5px solid var(--border);border-radius:var(--r-sm);padding:11px 14px;font-size:.9375rem;color:var(--ink);background:#fff;transition:border-color var(--ease);height:46px}
.form-input textarea{height:120px;resize:vertical}
.form-input input:focus,.form-input select:focus,.form-input textarea:focus{outline:none;border-color:var(--navy)}
.form-input input::placeholder{color:var(--ink-faint)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.validate{color:#dc2626;font-size:.8125rem;margin-top:4px;display:block}
.text-link{color:var(--navy);text-decoration:underline}
.red{color:#dc2626}

/* ── Category filter panel (shop / category pages) ───────────────────────── */
.shop-layout{display:flex;gap:32px;align-items:flex-start}
.shop-layout > .shop-grid,.shop-layout > .grid-4{flex:1;min-width:0}
.filters{flex:0 0 250px;display:none;padding-top:8px}
.filters.active{display:block}
.filter-group + .filter-group{margin-top:24px}
@media (max-width:760px){.shop-layout{flex-direction:column}.filters{flex-basis:auto;width:100%}}
.filter-group{margin-bottom:18px}
.filter-group:last-child{margin-bottom:0}
.filter-label{display:block;font-size:.72rem;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--ink-muted);margin-bottom:10px}
.filter-pills{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.filter-pill{display:inline-flex;align-items:center;gap:10px;padding:0;border:none;background:none;font-size:.875rem;color:var(--ink);text-decoration:none;line-height:1;cursor:pointer;transition:color var(--ease)}
.filter-pill::before{content:'';display:inline-block;width:18px;height:18px;border:1.5px solid var(--ink);background:#fff;flex-shrink:0;box-sizing:border-box;transition:background var(--ease),border-color var(--ease)}
.filter-pill:hover{color:var(--navy)}
.filter-pill:hover::before{border-color:var(--navy)}
.filter-pill.active::before{background:var(--navy);border-color:var(--navy);box-shadow:inset 0 0 0 3px #fff}
.filter-pill.active{color:var(--ink);font-weight:500}
.filter-pill span{font-size:.75rem;color:var(--ink-muted);margin-left:2px}

/* ── Sold-out badge (product cards in category grid) ─────────────────────── */
.sold-out-badge{position:absolute;top:12px;left:12px;z-index:2;padding:4px 10px;background:rgba(0,0,0,.65);color:#fff;font-size:.7rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}

/* ── Lens power option — disabled state (product page) ──────────────────── */
.lens-power-option.disabled{opacity:.35;pointer-events:none}

/* ── Add-to-cart feedback message (product page) ────────────────────────── */
.cart-confirm{display:none;font-size:.875rem;padding:10px 14px;margin-bottom:10px;border-radius:var(--r-sm);line-height:1.4}
.cart-confirm--visible{display:block;background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.cart-confirm--error.cart-confirm--visible{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* ── Product summary / description ──────────────────────────────────────── */
.summary{font-size:1rem;color:var(--ink-muted);line-height:1.7}
.summary p{margin-bottom:.5em}
.description{padding-top:16px;border-top:1px solid var(--border);font-size:.9375rem;color:var(--ink-muted);line-height:1.75}
.description p{margin-bottom:.75em}
.sale-tag{position:absolute;display:inline-block;background:var(--gold);color:#fff;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:100px;z-index:2}

/* ── Trust badges ────────────────────────────────────────────────────────── */
.trust-badges{list-style:none;margin:24px 0 0;padding:18px 0 0;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}
.trust-badge{display:flex;align-items:center;gap:12px;font-size:.875rem;color:var(--ink)}
.trust-badge__icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--surface);color:var(--navy);flex-shrink:0}
.trust-badge__text{line-height:1.4}

/* ── Afterpay ────────────────────────────────────────────────────────────── */
.afterpay-tab{display:flex;align-items:flex-start;gap:12px;background:var(--surface);border-radius:var(--r);padding:14px 16px;font-size:.875rem;color:var(--ink-muted);line-height:1.5}
.afterpay-tab figure{flex-shrink:0;width:72px}
.afterpay-logo{width:100%}
.afterpay-pop{display:inline-block;margin-top:4px;font-size:.8125rem;font-weight:500;color:var(--navy);text-decoration:underline;cursor:pointer}

/* ── Stock indicator (pulse dot) ────────────────────────────────────────── */
.stock-messages{display:flex;align-items:flex-start;gap:12px;font-size:.875rem;color:var(--ink-muted)}
.stock-messages>div:last-child{display:flex;flex-direction:column;gap:2px}
.stock-label{margin:0;font-weight:500;color:var(--ink)}
.stock-sub{margin:0;font-size:.8125rem;color:var(--ink-muted)}
.circle{position:relative;width:14px;height:14px;flex-shrink:0;margin-top:3px}
.circle::after{content:'';position:absolute;inset:0;background:#22c55e;border-radius:50%}
.circle--red::after{background:#dc2626}
.circle--red .ringring{border-color:#dc2626}
.ringring{position:absolute;inset:-4px;border-radius:50%;border:2px solid #22c55e;animation:ring 1.5s ease infinite}
@keyframes ring{0%{transform:scale(1);opacity:1}100%{transform:scale(1.8);opacity:0}}

/* ── Product specs (lens/bridge/temple) ─────────────────────────────────── */
.product-specs{display:flex;gap:40px;padding:28px 0;border-top:1px solid var(--border);margin-top:8px;flex-wrap:wrap}
.product-spec{display:flex;flex-direction:column;gap:4px;min-width:60px}
.product-spec__label{font-size:.75rem;font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-muted)}
.product-spec__value{font-size:1rem;font-weight:700;color:var(--ink)}

/* ── Quantity control (cart page) ───────────────────────────────────────── */
.quantity-block{display:flex;align-items:center}
.js-qty{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:var(--r-sm);overflow:hidden;height:34px}
.js-qty__adjust{width:30px;height:34px;display:flex;align-items:center;justify-content:center;background:var(--surface);border:none;cursor:pointer;font-size:1rem;color:var(--ink);padding:0;flex-shrink:0;transition:background var(--ease)}
.js-qty__adjust:hover{background:var(--border)}
.js-qty__num{width:40px;text-align:center;border:none;border-inline:1.5px solid var(--border);background:#fff;font-size:.875rem;font-weight:500;color:var(--ink);height:34px;padding:0;outline:none;-moz-appearance:textfield}
.js-qty__num::-webkit-outer-spin-button,.js-qty__num::-webkit-inner-spin-button{-webkit-appearance:none}

/* ── Modal content overlay (product gallery lightbox, afterpay popup) ────── */
.modal-content{display:none;position:fixed;inset:0;z-index:1200;overflow-y:auto;background:#fff}
.modal-content.active{display:block}
.modal-content .close-icon{position:fixed;top:16px;right:16px;width:40px;height:40px;border-radius:50%;background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1201;transition:background var(--ease)}
.modal-content .close-icon:hover{background:var(--border)}
.modal-content .close-icon::before,.modal-content .close-icon::after{content:'';position:absolute;width:16px;height:1.5px;background:var(--ink);border-radius:2px}
.modal-content .close-icon::before{transform:rotate(45deg)}
.modal-content .close-icon::after{transform:rotate(-45deg)}

/* ── mc4 modal utilities (shared modals) ─────────────────────────────────── */
.js-modal,.modal{display:none;position:fixed;inset:0;z-index:1100;align-items:center;justify-content:center}
.js-modal.modal--is-visible,.modal.modal--is-visible{display:flex}
.mc4-flex{display:flex}.mc4-flex-center{align-items:center;justify-content:center}
.mc4-bg{background:rgba(0,0,0,.5)}
.mc4-max-width-xs{max-width:640px;width:100%;min-height:400px}
.mc4-padding-md{padding:24px}.mc4-padding-x-md{padding-inline:24px}.mc4-padding-y-sm{padding-block:16px}
.mc4-radius-md{border-radius:var(--r-lg)}.mc4-shadow-md{box-shadow:var(--sh-lg)}.mc4-inner-glow{box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.mc4-overflow-auto{overflow:auto}
.mc4-width-100\%{width:100%}.mc4-max-height-100\%{max-height:100%}
.mc4-display\@md{display:block}
.mc4-text-component{font-size:.9375rem;color:var(--ink);line-height:1.6}
.mc4-icon{display:inline-flex;align-items:center}
.mc4-icon--sm svg{width:18px;height:18px}
.modal__close-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;transition:background var(--ease)}
.modal__close-btn:hover{background:var(--surface)}
.modal__close-btn--outer{position:absolute;top:-48px;right:0;background:#fff}
.modal--animate-scale.modal--is-visible .modal__content{animation:scaleIn 200ms ease}
@keyframes scaleIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal__content{background:#fff;border-radius:var(--r-lg);width:100%;max-width:640px;position:relative;box-shadow:var(--sh-lg);max-height:90vh;overflow-y:auto}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media(max-width:768px){
  .form-row{grid-template-columns:1fr}
}


/* FILTER pill button */
.filter-icon{display:inline-flex;align-items:center;gap:10px;background:#1c2b46;color:#fff;border:0;border-radius:100px;padding:8px 18px;font-size:.75rem;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;cursor:pointer;transition:opacity var(--ease)}
.filter-icon:hover{opacity:.9}
.filter-icon-lines{display:inline-flex;flex-direction:column;justify-content:center;gap:3px}
.filter-icon-lines span{display:block;height:1.5px;background:#fff;border-radius:1px}
.filter-icon-lines span:nth-child(1){width:14px}
.filter-icon-lines span:nth-child(2){width:10px}
.filter-icon-lines span:nth-child(3){width:14px}