/* ===== STDEVICE — Redesigned UI (vinli-inspired) ===== */
:root{
  --bg:#f4f6fb;
  --surface:#ffffff;
  --surface-2:#f0f3f9;
  --text:#0f1729;
  --text-soft:#5a6478;
  --muted:#9aa3b2;
  --border:#e7ebf3;
  --accent:#2b7fff;
  --accent-2:#0a5cff;
  --accent-grad:linear-gradient(135deg,#3b8bff 0%,#0a5cff 100%);
  --danger:#ff3b5c;
  --danger-grad:linear-gradient(135deg,#ff5470 0%,#ff2147 100%);
  --success:#16c784;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(20,40,80,.06);
  --shadow:0 8px 28px rgba(20,40,80,.10);
  --shadow-lg:0 18px 46px rgba(20,40,80,.16);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.45;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(env(safe-area-inset-bottom) + 24px);
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none}

.app-container{max-width:1180px;margin:0 auto;padding:0 14px}

/* ===== Header ===== */
.app-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  margin:0 -14px 18px;
  padding:calc(env(safe-area-inset-top) + 12px) 16px 16px;
  border:none;
  border-radius:0 0 22px 22px;
  box-shadow:0 6px 22px rgba(20,40,80,.07);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  font-size:18px;font-weight:800;letter-spacing:.5px;
  background:var(--accent-grad);color:#fff;
  box-shadow:0 6px 16px rgba(10,92,255,.32);
  -webkit-background-clip:border-box;background-clip:border-box;
}
.header-actions{display:flex;align-items:center;gap:10px}
.cart-btn{
  position:relative;display:grid;place-items:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--surface);color:var(--text);
  box-shadow:var(--shadow-sm);border:1px solid var(--border);
  transition:transform .15s ease, box-shadow .2s ease;
}
.cart-btn:active{transform:scale(.92)}
.cart-count{
  position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;
  display:grid;place-items:center;border-radius:999px;
  background:var(--danger-grad);color:#fff;font-size:11px;font-weight:700;
  border:2px solid var(--surface);
}
.cart-count:empty{display:none}
.subtitle{margin-top:6px;color:var(--text-soft);font-size:13px;font-weight:500}

/* ===== Search ===== */
.search-bar{position:relative;margin-top:14px}
.search-bar::before{
  content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;opacity:.5;
  background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6478' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
}
#search-input{
  width:100%;height:50px;padding:0 18px 0 44px;
  border:1px solid var(--border);border-radius:16px;
  background:var(--surface);color:var(--text);font-size:15px;
  box-shadow:var(--shadow-sm);outline:none;
  transition:border-color .2s, box-shadow .2s;
}
#search-input::placeholder{color:var(--muted)}
#search-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(43,127,255,.14)}

/* ===== Hero banner ===== */
.hero{
  margin-bottom:18px;padding:30px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#0a5cff 0%,#3b8bff 55%,#5ea0ff 100%);
  color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.hero::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.12)}
.hero h1{margin:0 0 8px;font-size:26px;font-weight:800;letter-spacing:-.5px}
.hero p{margin:0 0 18px;opacity:.92;font-size:14px;max-width:60%}
.hero .hero-btn{display:inline-block;padding:12px 22px;border-radius:14px;background:#fff;color:var(--accent-2);font-weight:700;font-size:14px}

/* ===== Products grid ===== */
.products-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
}
@media(min-width:560px){.products-grid{grid-template-columns:repeat(3,1fr);gap:16px}}
@media(min-width:860px){.products-grid{grid-template-columns:repeat(4,1fr);gap:18px}}

/* ===== Product card ===== */
.product-card{
  background:var(--surface);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;cursor:pointer;
  transition:transform .2s ease, box-shadow .25s ease;
}
.product-card:active{transform:scale(.98)}
@media(hover:hover){.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}}
.product-card .carousel{
  position:relative;width:100%;aspect-ratio:1/1;background:var(--surface-2);overflow:hidden;
}
.product-card .carousel img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .5s ease;
}
.product-card .carousel img.active{opacity:1}
.carousel-dots{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:center;gap:5px;z-index:2}
.carousel-dots .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.6);transition:all .3s}
.carousel-dots .dot.active{background:#fff;width:16px;border-radius:3px}
.card-info{padding:12px 13px 14px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:13.5px;font-weight:600;color:var(--text);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:36px}
.card-price-badge{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.card-price{font-size:17px;font-weight:800;color:var(--text);white-space:nowrap}
.card-badge{
  font-size:10.5px;font-weight:700;padding:4px 9px;border-radius:999px;
  background:rgba(43,127,255,.12);color:var(--accent-2);text-transform:uppercase;letter-spacing:.3px;
}
.card-badge.out{background:rgba(154,163,178,.18);color:var(--muted)}
.card-badge:empty{display:none}

/* ===== Skeleton ===== */
.skeleton-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.skeleton-img{width:100%;aspect-ratio:1/1}
.skeleton-text{height:13px;margin:12px 13px 0;border-radius:6px}
.skeleton-text.short{width:50%;margin-bottom:14px}
.skeleton-img,.skeleton-text{background:linear-gradient(90deg,#eef1f7 25%,#e2e7f0 37%,#eef1f7 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}

.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-soft);font-size:15px}
.sentinel{height:1px;grid-column:1/-1}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,41,.55);backdrop-filter:blur(4px)}
.modal-content{
  position:absolute;left:0;right:0;bottom:0;max-height:92vh;overflow-y:auto;
  background:var(--surface);border-radius:24px 24px 0 0;
  padding:14px 18px calc(env(safe-area-inset-bottom) + 22px);
  box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.16,1,.3,1);
}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@media(min-width:680px){
  .modal-content{
    left:50%;right:auto;bottom:auto;top:50%;width:520px;
    border-radius:24px;max-height:88vh;
    transform:translate(-50%,-50%);
    animation:popIn .26s cubic-bezier(.16,1,.3,1);
  }
}
@keyframes popIn{
  from{opacity:0;transform:translate(-50%,-46%) scale(.96)}
  to{opacity:1;transform:translate(-50%,-50%) scale(1)}
}
.modal-content::before{content:"";display:block;width:42px;height:5px;border-radius:3px;background:var(--border);margin:2px auto 14px}
@media(min-width:680px){.modal-content::before{display:none}}
.modal-close{
  position:absolute;top:14px;right:16px;width:36px;height:36px;border-radius:50%;
  background:var(--surface-2);color:var(--text-soft);font-size:20px;line-height:1;display:grid;place-items:center;z-index:3;
}
.modal-carousel{position:relative;width:100%;aspect-ratio:1/1;border-radius:18px;overflow:hidden;background:var(--surface-2);margin-bottom:16px}
.modal-carousel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .4s}
.modal-carousel img.active{opacity:1}
.modal-carousel .carousel-dots .dot{background:rgba(255,255,255,.7)}
.modal-carousel .carousel-dots .dot.active{background:#fff}
.modal-info{display:flex;flex-direction:column;gap:12px}
#modal-title{font-size:21px;font-weight:800;letter-spacing:-.3px;margin:0}
.modal-price-badge{display:flex;align-items:center;gap:12px}
#modal-price,.modal-price{font-size:24px;font-weight:800;color:var(--accent-2)}
#modal-badge,.modal-badge{font-size:11px;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(43,127,255,.12);color:var(--accent-2);text-transform:uppercase}
#modal-badge:empty{display:none}
#modal-desc,.modal-desc{color:var(--text-soft);font-size:14.5px;line-height:1.6;white-space:pre-wrap}
.modal-actions{display:flex;gap:10px;margin-top:6px;position:sticky;bottom:0;background:var(--surface);padding-top:8px}
.btn-buy,.btn-add-cart{
  flex:1;height:52px;border-radius:15px;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;gap:6px;transition:transform .15s, filter .2s;
}
.btn-buy:active,.btn-add-cart:active{transform:scale(.97)}
.btn-buy{background:var(--accent-grad);color:#fff;box-shadow:0 8px 20px rgba(10,92,255,.32)}
.btn-add-cart{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}

/* ===== FAB contact ===== */
.fab-contact{
  position:fixed;right:18px;bottom:calc(env(safe-area-inset-bottom) + 18px);z-index:80;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:var(--accent-grad);box-shadow:0 10px 26px rgba(10,92,255,.4);
  transition:transform .15s;
}
.fab-contact:active{transform:scale(.9)}

/* ===== Cart page ===== */
.cart-page{max-width:680px;margin:0 auto;padding:0 14px}
.cart-header{display:flex;align-items:center;gap:12px;padding:calc(env(safe-area-inset-top) + 16px) 0 18px}
.cart-header .back-btn,.back-link{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);color:var(--text)}
.cart-header h1,.cart-title{font-size:22px;font-weight:800;margin:0}
#cart-items{display:flex;flex-direction:column;gap:12px}
.cart-item{
  display:flex;align-items:center;gap:14px;padding:12px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.cart-item img{width:72px;height:72px;border-radius:14px;object-fit:cover;background:var(--surface-2);flex-shrink:0}
.cart-item .cart-item-info,.cart-item>div:not(.cart-item-info){flex:1;min-width:0}
.cart-item-info .title,.cart-item .title{font-size:14px;font-weight:600;line-height:1.35;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cart-item span{font-size:16px;font-weight:800;color:var(--accent-2)}
.btn-remove-item{
  width:34px;height:34px;border-radius:50%;background:var(--surface-2);color:var(--danger);
  font-size:20px;line-height:1;display:grid;place-items:center;flex-shrink:0;transition:transform .15s,background .2s;
}
.btn-remove-item:active{transform:scale(.9)}
.cart-summary,#cart-summary{
  margin-top:20px;padding:18px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);
  position:sticky;bottom:calc(env(safe-area-inset-bottom) + 12px);
}
.cart-total,.summary-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:16px}
.cart-total span:last-child,.summary-row span:last-child{font-size:22px;font-weight:800;color:var(--text)}
#btn-order,.btn-order{
  width:100%;height:54px;border-radius:15px;background:var(--accent-grad);color:#fff;
  font-size:16px;font-weight:700;box-shadow:0 10px 24px rgba(10,92,255,.34);transition:transform .15s;
}
#btn-order:active{transform:scale(.98)}
.cart-empty{text-align:center;padding:70px 20px;color:var(--text-soft);font-size:16px}
/* ===== v2: new components ===== */
.icon-btn{
  position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background:var(--surface);color:var(--text-soft);border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:transform .15s, color .2s, background .2s;
}
.icon-btn svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.icon-btn:active{transform:scale(.92)}
.icon-btn.active{color:#fff;background:var(--danger-grad);border-color:transparent}
.icon-btn.active svg{fill:#fff;stroke:#fff}

/* card entrance animation */
.product-card{opacity:0;transform:translateY(10px)}
.product-card.in{opacity:1;transform:translateY(0);transition:opacity .35s ease, transform .35s ease, box-shadow .25s ease}

/* favorite heart on card */
.card-fav{
  position:absolute;top:8px;right:8px;z-index:3;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;background:rgba(255,255,255,.85);backdrop-filter:blur(6px);
  box-shadow:var(--shadow-sm);transition:transform .15s, background .2s;
}
.card-fav svg{fill:none;stroke:#9aa3b2;stroke-width:1.6}
.card-fav:active{transform:scale(.85)}
.card-fav.active{background:#fff}
.card-fav.active svg{fill:var(--danger);stroke:var(--danger);animation:pop .3s ease}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.25)}100%{transform:scale(1)}}

/* image placeholder */
.no-img{display:flex !important;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eef2fb,#dde6f7) !important;}
.no-img span{font-weight:800;letter-spacing:1px;font-size:13px;
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.65}
.modal-carousel.no-img span{font-size:22px}

/* modal favorite button */
.modal-fav{
  position:absolute;top:14px;right:60px;width:36px;height:36px;border-radius:50%;z-index:4;
  background:var(--surface-2);display:grid;place-items:center;transition:transform .15s;
}
.modal-fav svg{fill:none;stroke:var(--text-soft);stroke-width:1.6}
.modal-fav:active{transform:scale(.85)}
.modal-fav.active svg{fill:var(--danger);stroke:var(--danger);animation:pop .3s ease}
.modal-badge.out,#modal-badge.out{background:rgba(154,163,178,.18);color:var(--muted)}

/* toast */
.toast{
  position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 86px);transform:translate(-50%,20px);
  z-index:300;background:rgba(15,23,41,.94);color:#fff;padding:12px 20px;border-radius:14px;
  font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;max-width:80%;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* empty state */
.empty-ico,.cart-empty-ico{font-size:46px;margin-bottom:10px}

/* cart item layout v2 */
.cart-item-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.cart-item-img{width:72px;height:72px;border-radius:14px;flex-shrink:0}
.qty-control{display:inline-flex;align-items:center;gap:0;margin-top:6px;
  background:var(--surface-2);border-radius:11px;padding:3px;width:fit-content}
.qty-btn{width:30px;height:30px;border-radius:9px;background:var(--surface);color:var(--text);
  font-size:18px;font-weight:700;line-height:1;display:grid;place-items:center;box-shadow:var(--shadow-sm);
  transition:transform .12s}
.qty-btn:active{transform:scale(.88)}
.qty-val{min-width:34px;text-align:center;font-weight:700;font-size:15px}

/* cart empty v2 */
.cart-empty-btn{display:inline-block;margin-top:16px;padding:12px 24px;border-radius:14px;
  background:var(--accent-grad);color:#fff;font-weight:700;box-shadow:0 8px 20px rgba(10,92,255,.3)}
/* ===== v3: accounts, auth, discounts, admin ===== */

/* discounts */
.price-wrap{display:flex;flex-direction:column;line-height:1.1}
.old-price{font-size:12px;color:var(--muted);text-decoration:line-through;font-weight:600;margin-top:2px}
.disc-inline{font-size:13px;font-weight:800;color:var(--danger);margin-left:6px;vertical-align:middle}
.disc-badge{
  position:absolute;top:8px;left:8px;z-index:3;
  background:var(--danger-grad);color:#fff;font-size:12px;font-weight:800;
  padding:4px 9px;border-radius:9px;box-shadow:0 4px 12px rgba(255,47,92,.35);
}
#modal-price .old-price{font-size:16px;margin-left:8px}

/* account dropdown */
.account-menu-backdrop{position:fixed;inset:0;z-index:150}
.account-menu{
  position:fixed;top:calc(env(safe-area-inset-top) + 64px);right:14px;z-index:160;width:230px;
  background:var(--surface);border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-lg);padding:8px;animation:popIn2 .18s ease}
@keyframes popIn2{from{opacity:0;transform:translateY(-6px) scale(.97)}to{opacity:1;transform:none}}
.account-head{display:flex;align-items:center;gap:12px;padding:12px 10px 14px;border-bottom:1px solid var(--border);margin-bottom:6px}
.account-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--accent-grad);color:#fff}
.account-name{font-weight:700;font-size:15px}
.account-role{font-size:12px;color:var(--text-soft)}
.account-item{display:flex;align-items:center;gap:10px;width:100%;padding:11px 12px;border-radius:12px;
  background:transparent;color:var(--text);font-size:14px;font-weight:600;text-align:left;transition:background .15s}
.account-item:hover{background:var(--surface-2)}
.account-item svg{color:var(--text-soft)}

/* auth modal */
.auth-modal{position:fixed;inset:0;z-index:400;display:flex;align-items:center;justify-content:center}
.auth-backdrop{position:absolute;inset:0;background:rgba(15,23,41,.55);backdrop-filter:blur(4px)}
.auth-card{position:relative;width:min(92vw,400px);background:var(--surface);border-radius:24px;
  padding:28px 24px;box-shadow:var(--shadow-lg);animation:popIn3 .24s cubic-bezier(.16,1,.3,1)}
@keyframes popIn3{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
.auth-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;
  background:var(--surface-2);color:var(--text-soft);display:grid;place-items:center}
.auth-brand{font-size:24px;font-weight:800;text-align:center;margin-bottom:18px;
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-tabs{display:flex;background:var(--surface-2);border-radius:13px;padding:4px;margin-bottom:20px}
.auth-tab{flex:1;padding:10px;border-radius:10px;font-size:14px;font-weight:700;color:var(--text-soft);background:transparent;transition:all .2s}
.auth-tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}
.auth-label{display:block;font-size:13px;font-weight:600;color:var(--text-soft);margin:0 0 6px 2px}
.auth-input{width:100%;height:48px;padding:0 16px;border:1px solid var(--border);border-radius:13px;
  background:var(--surface);font-size:15px;color:var(--text);outline:none;margin-bottom:14px;transition:border-color .2s, box-shadow .2s}
.auth-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(43,127,255,.14)}
.auth-error{color:var(--danger);font-size:13px;font-weight:600;min-height:18px;margin-bottom:8px}
.auth-submit{width:100%;height:50px;border-radius:14px;background:var(--accent-grad);color:#fff;
  font-size:15px;font-weight:700;box-shadow:0 8px 20px rgba(10,92,255,.3);transition:transform .15s}
.auth-submit:active{transform:scale(.98)}
.auth-submit:disabled{opacity:.6}

/* admin gate */
.admin-gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:10}
.admin-gate-card{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:24px;
  padding:36px 30px;box-shadow:var(--shadow);width:min(90vw,360px)}
.admin-gate-card .logo{font-size:26px;margin-bottom:10px}
.admin-gate-card p{color:var(--text-soft);margin-bottom:20px}
.gate-home{display:inline-block;margin-top:14px;color:var(--accent-2);font-weight:600;font-size:14px}

/* admin panel */
.admin-tabs{display:flex;gap:8px;background:var(--surface-2);padding:5px;border-radius:14px;margin-bottom:18px}
.admin-tab{flex:1;padding:11px;border-radius:10px;font-size:14px;font-weight:700;color:var(--text-soft);background:transparent;transition:all .2s}
.admin-tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.admin-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.admin-form h3{margin:0 0 16px;font-size:17px;font-weight:800}
.form-group{margin-bottom:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-soft);margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:12px;background:var(--surface);font-size:15px;color:var(--text);font-family:inherit;outline:none;transition:border-color .2s, box-shadow .2s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(43,127,255,.12)}
.preview-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.preview-grid img{width:70px;height:70px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}
.btn-submit{width:100%;height:50px;border-radius:14px;background:var(--accent-grad);color:#fff;font-size:15px;font-weight:700;box-shadow:0 8px 20px rgba(10,92,255,.3);transition:transform .15s}
.btn-submit:active{transform:scale(.98)}
.btn-submit:disabled{opacity:.6}
.form-msg{margin-top:12px;font-size:14px;font-weight:600;text-align:center;min-height:18px}
.form-msg.ok{color:var(--success)}
.form-msg.err{color:var(--danger)}
.admin-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.admin-list h3{margin:0 0 14px;font-size:17px;font-weight:800}
.admin-product{display:flex;align-items:center;gap:14px;padding:10px 0;border-bottom:1px solid var(--border)}
.admin-product:last-child{border-bottom:none}
.admin-product img,.admin-product-img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex-shrink:0}
.admin-product-info{flex:1;min-width:0}
.admin-product-info .title{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-product-price{font-size:14px;font-weight:800;color:var(--accent-2);margin-top:2px}
.admin-del{width:38px;height:38px;border-radius:10px;background:var(--surface-2);color:var(--danger);display:grid;place-items:center;flex-shrink:0;transition:transform .12s}
.admin-del:active{transform:scale(.9)}
.muted{color:var(--text-soft);font-size:14px;text-align:center;padding:14px}
/* ===== v4: badge color variants ===== */
.card-badge.new,#modal-badge.new{background:rgba(22,199,132,.14);color:#0f9d63}
.card-badge.hit,#modal-badge.hit{background:rgba(255,122,24,.15);color:#e8620a}
.card-badge.top,#modal-badge.top{background:rgba(139,92,246,.15);color:#7c3aed}
.card-badge.low,#modal-badge.low{background:rgba(245,158,11,.16);color:#c97a04}
.card-badge.out,#modal-badge.out{background:rgba(154,163,178,.18);color:var(--muted)}
.form-group select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;
  background:var(--surface);font-size:15px;color:var(--text);font-family:inherit;outline:none;
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6478' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px}
.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(43,127,255,.12)}
/* ===== v5: custom UI layer ===== */
* { -webkit-tap-highlight-color: transparent; }
::selection { background: rgba(43,127,255,.22); color: var(--text); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--accent), var(--accent-2)); border-radius: 20px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-2); }
* { scrollbar-width: thin; scrollbar-color: var(--accent-2) transparent; }
img { -webkit-user-drag: none; user-select: none; }

/* custom context menu */
.std-context{position:fixed;z-index:1000;min-width:212px;background:var(--surface);
  border:1px solid var(--border);border-radius:16px;padding:7px;
  box-shadow:0 16px 48px rgba(15,23,41,.18),0 2px 8px rgba(15,23,41,.08);
  opacity:0;transform:scale(.94);transform-origin:top left;transition:opacity .14s ease,transform .14s cubic-bezier(.16,1,.3,1)}
.std-context.open{opacity:1;transform:scale(1)}
.std-context-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border-radius:11px;
  background:transparent;color:var(--text);font-size:14px;font-weight:600;text-align:left;transition:background .14s}
.std-context-item:hover{background:var(--surface-2)}
.std-context-item:active{background:var(--border)}
.std-context-ic{display:grid;place-items:center;color:var(--text-soft);flex-shrink:0}
.std-context-item:hover .std-context-ic{color:var(--accent-2)}
.std-context-sep{height:1px;background:var(--border);margin:6px 8px}

/* custom select */
.std-select{position:relative;width:100%}
.std-select-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;
  padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--surface);
  font-size:15px;font-weight:600;color:var(--text);cursor:pointer;transition:border-color .18s,box-shadow .18s}
.std-select.open .std-select-trigger{border-color:var(--accent);box-shadow:0 0 0 4px rgba(43,127,255,.12)}
.std-select-chev{display:grid;place-items:center;color:var(--text-soft);transition:transform .22s ease}
.std-select.open .std-select-chev{transform:rotate(180deg)}
.std-select-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:200;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:6px;
  box-shadow:0 14px 40px rgba(15,23,41,.16);opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .16s ease,transform .16s cubic-bezier(.16,1,.3,1);max-height:280px;overflow-y:auto}
.std-select.open .std-select-menu{opacity:1;transform:translateY(0);pointer-events:auto}
.std-select-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;
  border-radius:10px;font-size:14px;font-weight:600;color:var(--text);cursor:pointer;transition:background .14s}
.std-select-item:hover{background:var(--surface-2)}
.std-select-item.active{color:var(--accent-2)}
.std-select-check{display:grid;place-items:center;color:var(--accent-2)}

/* custom file input */
.std-file{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.std-file-btn{display:inline-flex;align-items:center;gap:9px;padding:11px 16px;border-radius:12px;
  background:var(--surface-2);color:var(--text);font-size:14px;font-weight:700;cursor:pointer;
  border:1px solid var(--border);transition:background .15s,transform .12s}
.std-file-btn:hover{background:var(--border)}
.std-file-btn:active{transform:scale(.97)}
.std-file-btn svg{color:var(--accent-2)}
.std-file-info{font-size:13px;color:var(--text-soft);font-weight:600}

/* custom confirm dialog */
.std-dialog{position:fixed;inset:0;z-index:1100;display:flex;align-items:center;justify-content:center}
.std-dialog-backdrop{position:absolute;inset:0;background:rgba(15,23,41,.5);backdrop-filter:blur(4px);
  opacity:0;transition:opacity .2s}
.std-dialog.open .std-dialog-backdrop{opacity:1}
.std-dialog-card{position:relative;width:min(90vw,360px);background:var(--surface);border-radius:22px;
  padding:24px;box-shadow:0 24px 60px rgba(15,23,41,.25);text-align:center;
  opacity:0;transform:translateY(12px) scale(.96);transition:opacity .22s,transform .22s cubic-bezier(.16,1,.3,1)}
.std-dialog.open .std-dialog-card{opacity:1;transform:none}
.std-dialog-title{font-size:18px;font-weight:800;margin-bottom:8px}
.std-dialog-text{font-size:14px;color:var(--text-soft);margin-bottom:22px;line-height:1.5}
.std-dialog-actions{display:flex;gap:10px}
.std-btn-ghost,.std-btn-danger{flex:1;height:46px;border-radius:13px;font-size:14px;font-weight:700;transition:transform .12s,filter .15s}
.std-btn-ghost{background:var(--surface-2);color:var(--text)}
.std-btn-ghost:hover{background:var(--border)}
.std-btn-danger{background:var(--danger-grad);color:#fff;box-shadow:0 8px 20px rgba(255,47,92,.3)}
.std-btn-danger:active,.std-btn-ghost:active{transform:scale(.97)}
/* ===== v6: color variants (admin + storefront) ===== */
.field-hint{font-size:12px;color:var(--text-soft);margin-top:8px;line-height:1.5}
.add-variant-btn{display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding:10px 16px;border-radius:12px;
  background:var(--surface-2);color:var(--accent-2);font-size:14px;font-weight:700;border:1px dashed var(--accent);transition:background .15s,transform .12s}
.add-variant-btn:hover{background:rgba(43,127,255,.08)}
.add-variant-btn:active{transform:scale(.97)}
.variant-card{border:1px solid var(--border);border-radius:16px;padding:14px;margin-bottom:12px;background:var(--surface-2)}
.variant-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.variant-swatch{width:34px;height:34px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--border),0 2px 6px rgba(0,0,0,.1);flex-shrink:0}
.variant-name{flex:1;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);font-size:14px;font-weight:600;color:var(--text)}
.variant-del{width:34px;height:34px;border-radius:9px;background:var(--surface);color:var(--danger);display:grid;place-items:center;flex-shrink:0;border:1px solid var(--border)}
.variant-del:active{transform:scale(.9)}
.pal-label{font-size:12px;font-weight:700;color:var(--text-soft);margin:8px 0 6px}
.pal-row{display:flex;flex-wrap:wrap;gap:8px}
.pal-dot{width:30px;height:30px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--border);cursor:pointer;transition:transform .12s}
.pal-dot:hover{transform:scale(1.12)}
.pal-dot.active{box-shadow:0 0 0 2px var(--accent),0 0 0 4px rgba(43,127,255,.25);transform:scale(1.12)}
.twotone-toggle{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-soft);margin:10px 0 4px;cursor:pointer}
.twotone-toggle input{width:16px;height:16px;accent-color:var(--accent)}
.variant-file{margin-top:10px}

/* storefront swatches */
.modal-colors{margin:6px 0 14px}
.modal-colors-label{font-size:13px;font-weight:600;color:var(--text-soft);margin-bottom:8px}
.modal-color-name{color:var(--text);font-weight:700}
.modal-colors-row{display:flex;flex-wrap:wrap;gap:10px}
.color-swatch{width:34px;height:34px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--border),0 2px 6px rgba(0,0,0,.08);cursor:pointer;transition:transform .14s,box-shadow .14s}
.color-swatch:hover{transform:scale(1.1)}
.color-swatch.active{box-shadow:0 0 0 2px var(--accent),0 0 0 5px rgba(43,127,255,.22);transform:scale(1.1)}
/* ===== v7: gallery nav arrows + multi-badges + edit ===== */
.car-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.86);color:#0f1729;display:grid;place-items:center;
  box-shadow:0 4px 14px rgba(15,23,41,.18);backdrop-filter:blur(6px);transition:transform .14s,background .15s;cursor:pointer}
.car-nav:hover{background:#fff}
.car-nav:active{transform:translateY(-50%) scale(.9)}
.car-nav.prev{left:10px}
.car-nav.next{right:10px}

.card-badges{display:flex;flex-wrap:wrap;gap:5px;justify-content:flex-end;max-width:62%}
.card-badges .card-badge{position:static}
.modal-badges{display:flex;flex-wrap:wrap;gap:6px;align-items:center}

/* admin edit button */
.admin-edit{width:38px;height:38px;border-radius:10px;background:var(--surface-2);color:var(--accent-2);display:grid;place-items:center;flex-shrink:0;transition:transform .12s;border:1px solid var(--border)}
.admin-edit:active{transform:scale(.9)}
.admin-actions{display:flex;gap:8px;flex-shrink:0}
.form-mode-banner{display:none;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border-radius:12px;
  background:rgba(43,127,255,.1);color:var(--accent-2);font-size:13px;font-weight:700;margin-bottom:14px}
.form-mode-banner.show{display:flex}
.form-mode-banner button{background:transparent;color:var(--accent-2);font-weight:700;text-decoration:underline;font-size:13px}

/* multi badge selector */
.badge-picker{display:flex;flex-wrap:wrap;gap:8px}
.badge-opt{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:11px;border:1px solid var(--border);
  background:var(--surface);font-size:13px;font-weight:600;color:var(--text);cursor:pointer;transition:all .15s;user-select:none}
.badge-opt input{display:none}
.badge-opt:hover{border-color:var(--accent)}
.badge-opt.checked{background:rgba(43,127,255,.1);border-color:var(--accent);color:var(--accent-2)}
.badge-opt .bdot{width:9px;height:9px;border-radius:50%;background:var(--muted)}
.badge-opt.checked .bdot{background:var(--accent-2)}
/* ===== v8: multi-badge checkboxes ===== */
.badge-checks{display:flex;flex-wrap:wrap;gap:8px}
.badge-check{display:inline-flex;align-items:center;gap:7px;cursor:pointer;
  padding:8px 13px;border-radius:11px;border:1px solid var(--border);
  background:var(--surface);font-size:13px;font-weight:600;color:var(--text-soft);
  transition:all .15s ease;user-select:none}
.badge-check input{position:absolute;opacity:0;width:0;height:0}
.badge-check:hover{border-color:var(--accent)}
.badge-check:has(input:checked){background:var(--accent-grad);color:#fff;border-color:transparent;
  box-shadow:0 4px 12px rgba(10,92,255,.25)}
/* ===== v9: captcha ===== */
.auth-captcha{margin:6px 0 4px;min-height:0;display:flex;justify-content:center}
.auth-captcha:empty{display:none}
/* ===== v10: analytics ===== */
.an-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}
.an-range{padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface);font-weight:600;color:var(--text)}
.an-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:22px}
.an-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:15px 16px;box-shadow:0 2px 10px rgba(15,23,41,.04)}
.an-val{font-size:24px;font-weight:800;color:var(--text);line-height:1.1}
.an-label{font-size:12.5px;color:var(--text-soft);margin-top:5px;font-weight:600}
.an-sub{font-size:11.5px;color:var(--muted);margin-top:3px}
.an-section{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;margin-bottom:16px}
.an-section h4{margin:0 0 14px;font-size:14px;color:var(--text)}
.an-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.an-chart{display:flex;align-items:flex-end;gap:6px;height:160px;padding-top:8px}
.an-bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px}
.an-bar span{width:100%;max-width:34px;background:var(--accent-grad);border-radius:6px 6px 0 0;min-height:4px;transition:height .3s}
.an-bar em{font-size:10px;color:var(--muted);font-style:normal;transform:rotate(-45deg);white-space:nowrap}
.an-list{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}
.an-list li{display:flex;justify-content:space-between;gap:10px;font-size:13.5px}
.an-list li b{color:var(--accent-2)}
.an-recent{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.an-recent li{display:flex;align-items:center;gap:10px;font-size:13px;padding:8px 10px;background:var(--surface-2);border-radius:10px}
.an-tag{font-size:11px;font-weight:700;color:var(--accent-2);background:rgba(43,127,255,.1);padding:3px 9px;border-radius:20px;flex-shrink:0}
.an-recent time{margin-left:auto;color:var(--muted);font-size:11.5px}
.muted{color:var(--muted);font-size:13px}
@media(max-width:640px){.an-grid{grid-template-columns:1fr}}

/* ===== v11: multi-badge fixes ===== */
/* modal badge container must be a transparent flex wrapper, not a pill itself */
#modal-badge.modal-badges{background:none!important;padding:0!important;border-radius:0!important;}
#modal-badge.modal-badges .card-badge{font-size:11px;padding:5px 11px;}
/* card: allow price + multiple badges to wrap cleanly */
.card-price-badge{flex-wrap:wrap;gap:6px;}
.card-badges{max-width:100%;justify-content:flex-end;}

/* ===== v12: sold-out card ===== */
.product-card{position:relative;}
.product-card.sold-out{opacity:.62;filter:grayscale(.55);}
.product-card.sold-out .carousel-track img,
.product-card.sold-out .card-img{filter:grayscale(.65) brightness(.97);}
.product-card.sold-out::after{
  content:"Немає в наявності";
  position:absolute;top:10px;left:10px;z-index:6;
  background:rgba(15,23,41,.82);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.3px;
  padding:5px 10px;border-radius:999px;backdrop-filter:blur(4px);
}
.product-card.sold-out:hover{transform:none;box-shadow:var(--shadow);}
.product-card.sold-out .btn-add-cart{opacity:.5;pointer-events:none;}

/* ===== v13: sold-out modal action ===== */
.modal-actions.sold-out-actions{display:flex;}
.btn-add-cart.btn-soldout{
  flex:1 1 100%;width:100%;
  background:#e7ebf3;color:#5a6478;
  cursor:not-allowed;opacity:1;border:1px solid var(--border);
  font-weight:700;
}
.btn-add-cart.btn-soldout:hover{background:#e7ebf3;transform:none;}