:root{--gkk-red:#b60713;--gkk-red-dark:#87040c;--gkk-green:#07542d;--gkk-gold:#d7a21d;--gkk-cream:#fff8e8;--gkk-ink:#28180f}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--gkk-ink)}
.public-body{background:linear-gradient(180deg,#fff 0%,var(--gkk-cream) 100%);min-height:100vh}
.public-hero{background:radial-gradient(circle at 85% 10%,rgba(215,162,29,.16),transparent 25%),radial-gradient(circle at 10% 90%,rgba(7,84,45,.10),transparent 28%)}
.brand-title{color:var(--gkk-red);letter-spacing:-.04em}.brand-slogan{color:var(--gkk-green);font-weight:700}.badge-gold{background:var(--gkk-gold);color:#301d00}.border-gold{border-color:rgba(215,162,29,.45)!important}.brand-card{border-radius:1.75rem;box-shadow:0 24px 70px rgba(75,35,0,.18);max-height:520px;object-fit:cover}.btn-gkk{background:var(--gkk-red);border-color:var(--gkk-red);color:white;font-weight:700}.btn-gkk:hover,.btn-gkk:focus{background:var(--gkk-red-dark);border-color:var(--gkk-red-dark);color:white}.feature-card,.panel-card,.metric-card{background:#fff;border:1px solid rgba(35,25,15,.08);border-radius:1rem;padding:1.35rem;box-shadow:0 10px 30px rgba(50,30,10,.05)}.feature-icon{font-size:2.25rem;margin-bottom:.6rem}.auth-body{min-height:100vh;background:linear-gradient(135deg,var(--gkk-green),#062f20 55%,var(--gkk-red-dark));}.login-card{width:min(100%,460px);background:#fff;border-radius:1.25rem;padding:2rem}.login-mark{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;margin:auto;background:var(--gkk-red);color:#fff;font-weight:900;font-size:1.5rem;border:5px solid #f0c44d}.admin-body{background:#f7f5f0;min-height:100vh}.admin-navbar{background:linear-gradient(90deg,var(--gkk-green),#063d25)}.metric-card .display-6{color:var(--gkk-green)}code{color:var(--gkk-red-dark)}
@media(max-width:767.98px){.login-card{padding:1.4rem}.brand-card{max-height:360px}.public-hero .display-3{font-size:2.8rem}.panel-card{padding:1rem}}
.catalog-thumb{width:56px;height:56px;border-radius:.75rem;object-fit:cover;border:1px solid rgba(0,0,0,.08)}.catalog-thumb-empty{display:grid;place-items:center;background:#f4efe4;font-size:1.45rem}.catalog-image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.75rem}.catalog-image-card{border:1px solid rgba(35,25,15,.1);border-radius:.8rem;overflow:hidden;background:#fff}.catalog-image-card img{display:block;width:100%;height:110px;object-fit:cover}