:root{
  --bg:#f0edf8;--s1:#fff;--s2:#f7f5ff;--s3:#ede9f8;--s4:#e4dff5;
  --acc:#7c3aed;--acc2:#9333ea;--blue:#3b82f6;--gold:#d97706;--green:#059669;--red:#dc2626;--teal:#0f766e;
  --text:#17134f;--t2:#43318f;--t3:#786ab6;--t4:#a092cb;--border:rgba(124,58,237,.15);
  --r:18px;--rs:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{font-family:'DM Sans',Arial,sans-serif;background:var(--bg);color:var(--text);overflow:hidden}
button,input,select,textarea{font-family:inherit}
button{border:0}

/* HOME */
.home-screen{height:100vh;overflow:auto;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:60px 22px 50px;gap:24px;background:radial-gradient(ellipse 80% 60% at 50% 28%,rgba(167,139,250,.16),transparent 70%)}
.admin-floating{position:fixed;top:18px;right:22px;z-index:40;text-decoration:none;background:rgba(255,255,255,.7);border:1px solid rgba(124,58,237,.18);color:var(--t2);font-weight:900;border-radius:14px;padding:10px 14px;box-shadow:0 12px 30px rgba(70,35,130,.08);backdrop-filter:blur(8px)}
.admin-floating:hover{background:#fff;border-color:rgba(124,58,237,.36)}
.home-logo{text-align:center}.home-logo h1{font-family:'Syne',sans-serif;font-size:clamp(44px,6vw,76px);font-weight:800;letter-spacing:-2px;line-height:1;background:linear-gradient(135deg,#5b21b6,#7c3aed,#9333ea);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.home-logo p{margin-top:14px;color:var(--t3);font-size:15px;letter-spacing:5px;text-transform:uppercase}
.mode-cards{display:grid;grid-template-columns:repeat(4,minmax(170px,1fr));gap:18px;width:min(1040px,100%);margin-top:10px}.mode-card{background:var(--s1);border:1px solid var(--border);border-radius:20px;padding:28px 18px 24px;min-height:228px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;cursor:pointer;transition:.25s;box-shadow:0 3px 16px rgba(124,58,237,.06);color:var(--text)}.mode-card:hover{transform:translateY(-5px);border-color:rgba(124,58,237,.34);box-shadow:0 20px 45px rgba(70,35,130,.13)}.mode-icon{font-size:40px;line-height:1}.mode-title{font-family:'Syne',sans-serif;font-size:22px;font-weight:800;letter-spacing:-.3px}.mode-sub{font-size:14px;line-height:1.55;color:var(--t3)}.mode-badge{display:inline-flex;margin-top:5px;font-size:11px;font-weight:900;letter-spacing:.4px;padding:6px 14px;border-radius:999px}.prog .mode-badge{background:rgba(59,130,246,.11);color:#1d4ed8}.tek .mode-badge,.lens .mode-badge{background:rgba(16,185,129,.12);color:#047857}.miy .mode-badge{background:rgba(124,58,237,.12);color:#6d28d9}
.campaign-section{width:min(1040px,100%);margin-top:18px}.campaign-header{display:flex;align-items:center;gap:14px;margin-bottom:18px}.campaign-header:before,.campaign-header:after{content:"";height:1px;background:var(--border);flex:1}.campaign-header h2{font-family:'Syne',sans-serif;font-size:16px;font-weight:800;text-transform:uppercase;letter-spacing:4px;color:var(--t3);white-space:nowrap}.campaign-badge{font-size:12px;font-weight:900;color:var(--gold);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.28);border-radius:999px;padding:7px 13px;white-space:nowrap}.campaign-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.campaign-card{position:relative;min-height:210px;border-radius:18px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(135deg,#fff,#fef8e7);box-shadow:0 10px 30px rgba(70,35,130,.08);cursor:pointer}.campaign-card.has-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.campaign-card:after{content:"";position:absolute;left:0;right:0;bottom:0;height:62%;background:linear-gradient(to top,rgba(8,12,32,.88),transparent)}.campaign-content{position:absolute;z-index:2;left:22px;right:22px;bottom:18px;color:white}.campaign-content h3{font-family:'Syne',sans-serif;font-size:19px;font-weight:800;margin-bottom:5px}.campaign-content strong{display:block;color:#f59e0b;font-size:13px;margin-bottom:8px}.campaign-content p{font-size:12px;color:rgba(255,255,255,.82);line-height:1.45}.campaign-valid{font-size:11px;margin-top:7px;color:rgba(255,255,255,.75)}.campaign-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:26px;background:radial-gradient(circle at 70% 20%,rgba(124,58,237,.16),transparent 40%),linear-gradient(135deg,#fff 0%,#f6f0ff 55%,#fff7ed 100%)}.campaign-fallback span{font-family:'Syne',sans-serif;font-size:34px;font-weight:800;color:#1e1b4b;opacity:.16;line-height:1.05}

/* APP */
.app-screen{display:none;height:100vh;background:var(--bg);overflow:hidden}.app-screen.visible{display:block}.home-screen.hidden{display:none}.app-topbar{height:66px;display:flex;align-items:center;gap:14px;padding:10px 24px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);box-shadow:0 3px 14px rgba(70,35,130,.06);position:relative;z-index:10}.back-btn,.admin-link{border:1px solid rgba(124,58,237,.18);background:var(--s2);color:var(--t2);font-weight:800;text-decoration:none;border-radius:10px;padding:10px 16px;cursor:pointer}.back-btn:hover,.admin-link:hover{background:#fff;border-color:rgba(124,58,237,.35)}.app-title{display:flex;align-items:baseline;gap:10px}.app-title strong{font-family:'Syne',sans-serif;font-size:18px;font-weight:800}.app-title span{font-size:13px;color:var(--t3)}.admin-link{margin-left:auto}
.app-main{display:flex;height:calc(100vh - 66px);overflow:hidden}.sidebar{width:248px;flex:0 0 248px;background:var(--s1);border-right:1px solid var(--border);padding:24px 14px;overflow:auto}.sidebar-label{font-size:11px;text-transform:uppercase;letter-spacing:4px;font-weight:900;color:var(--t4);margin:0 0 12px 7px}.brand-list{display:flex;flex-direction:column;gap:8px}.brand-btn{width:100%;display:flex;align-items:center;gap:10px;text-align:left;background:transparent;border:1px solid transparent;border-radius:12px;padding:13px 12px;color:var(--text);font-size:15px;font-weight:900;cursor:pointer;transition:.16s}.brand-btn:hover{background:var(--s2);border-color:var(--border)}.brand-btn.active{background:var(--s2);border-color:rgba(59,130,246,.4);box-shadow:0 0 0 1px rgba(59,130,246,.12)}.brand-dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}.brand-count{margin-left:auto;font-size:11px;color:var(--t3);font-weight:800}.content{flex:1;overflow:auto;padding:24px 28px 70px;display:flex;flex-direction:column;gap:18px}.selector-card,.info-line{background:var(--s1);border:1px solid var(--border);border-radius:var(--r);padding:18px;box-shadow:0 5px 25px rgba(70,35,130,.05)}.section-title{font-family:'Syne',sans-serif;text-transform:uppercase;letter-spacing:4px;font-size:14px;font-weight:800;color:var(--t2);display:flex;align-items:center;gap:12px;margin-bottom:14px}.section-title:after{content:"";height:1px;background:var(--border);flex:1}.chip-grid{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px}.chip{min-height:66px;border:2px solid rgba(124,58,237,.16);background:var(--s2);border-radius:12px;color:var(--t2);font-weight:900;cursor:pointer;padding:10px;transition:.16s;text-align:center}.chip:hover{border-color:rgba(124,58,237,.38);background:#fff}.chip.active{border-color:#7c3aed;background:#fff;box-shadow:inset 0 0 0 1px rgba(124,58,237,.14)}.chip small{display:block;margin-top:4px;font-weight:600;color:var(--t3);font-size:11px}.coating-grid{grid-template-columns:repeat(5,minmax(100px,1fr))}.coating-grid .chip.active{border-color:rgba(16,185,129,.55);background:rgba(16,185,129,.08);color:#047857}.info-line{display:flex;align-items:center;gap:10px;color:var(--t3);font-size:14px}.info-line b{color:var(--t2)}.inline-search{margin-left:auto;width:min(340px,40%);border:1px solid var(--border);background:#fff;border-radius:999px;padding:11px 16px;outline:none;color:var(--text);font-size:13px}.inline-search:focus{border-color:rgba(124,58,237,.45);box-shadow:0 0 0 4px rgba(124,58,237,.08)}.product-list{display:flex;flex-direction:column;gap:12px}.product-row{background:var(--s1);border:1px solid var(--border);border-radius:18px;padding:20px 22px;display:flex;align-items:center;gap:16px;transition:.16s}.product-row:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(70,35,130,.08)}.product-info{flex:1;min-width:0}.product-name{font-family:'Syne',sans-serif;font-size:17px;font-weight:800;margin-bottom:5px}.product-desc{font-size:14px;color:var(--t3);line-height:1.4}.product-tech{font-size:13px;color:var(--t3);font-style:italic;margin-top:3px}.price-box{text-align:right;min-width:170px}.price{font-family:'Syne',sans-serif;font-size:28px;font-weight:800;color:var(--blue);white-space:nowrap}.unit{font-size:11px;color:var(--t3);font-weight:800;margin-top:4px}.empty{background:var(--s1);border:1px solid var(--border);border-radius:18px;padding:52px;text-align:center;color:var(--t3);box-shadow:0 5px 25px rgba(70,35,130,.05)}
.lightbox{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(30,27,75,.78);backdrop-filter:blur(5px);z-index:1000;padding:20px}.lightbox.open{display:flex}.lightbox img{max-width:min(880px,92vw);max-height:90vh;border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.28);object-fit:contain}.lightbox button{position:fixed;top:18px;right:22px;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.2);color:white;font-size:28px;cursor:pointer}.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#fff;border:1px solid var(--border);border-radius:999px;padding:12px 18px;box-shadow:0 12px 40px rgba(30,27,75,.16);opacity:0;pointer-events:none;transition:.25s;z-index:1200}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#d8cdf5;border-radius:20px}::-webkit-scrollbar-track{background:transparent}
@media(max-width:1100px){body{overflow:auto}.home-screen{height:auto;min-height:100vh}.mode-cards{grid-template-columns:repeat(2,1fr)}.campaign-cards{grid-template-columns:1fr}.chip-grid,.coating-grid{grid-template-columns:repeat(2,1fr)}.app-main{display:block;overflow:auto}.app-screen{height:auto;min-height:100vh;overflow:auto}.sidebar{width:auto;border-right:0;border-bottom:1px solid var(--border);padding:14px;display:block;overflow:visible}.brand-list{display:grid;grid-template-columns:repeat(2,1fr)}.content{overflow:visible;padding:16px}.inline-search{width:100%;margin-left:0}.info-line{align-items:stretch;flex-direction:column}.price-box{min-width:140px}.price{font-size:22px}}
@media(max-width:620px){.home-screen{padding:76px 14px 30px}.admin-floating{right:12px;top:12px}.home-logo h1{font-size:42px}.home-logo p{font-size:12px;letter-spacing:3px}.mode-cards,.campaign-cards,.brand-list,.chip-grid,.coating-grid{grid-template-columns:1fr}.mode-card{min-height:180px}.app-topbar{height:auto;align-items:flex-start;flex-wrap:wrap;padding:10px}.app-title{width:100%;order:3}.admin-link{margin-left:0}.product-row{display:block}.price-box{text-align:left;margin-top:14px}.campaign-header h2{font-size:12px;letter-spacing:2px}.campaign-badge{font-size:10px}}