:root{--verde-fuerte:#367b3c;--verde-debil:#46a049;--gradiente-verde:linear-gradient(135deg,#367b3c,#46a049)}
body,input,textarea,select,button{text-transform:uppercase}.bg-gradient-green{background:var(--gradiente-verde)!important}.btn-green{background:var(--verde-fuerte);border-color:var(--verde-fuerte);color:#fff}.btn-green:hover{background:var(--verde-debil);border-color:var(--verde-debil);color:#fff}.green-bg,.hero-menu{background:var(--gradiente-verde)}
.menu-card{display:block;height:100%;padding:32px;border-radius:18px;background:rgba(255,255,255,.95);color:#1f2d1f;text-align:center;box-shadow:0 18px 40px rgba(0,0,0,.18);transition:.2s}.menu-card:hover{transform:translateY(-5px);color:var(--verde-fuerte)}.menu-card i{color:var(--verde-fuerte)}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-box{width:420px;max-width:100%}.wide-login{width:620px}.form-control,.form-select{border-radius:10px}.card{border-radius:14px;overflow:hidden}.main-sidebar{background:#1e2b20!important}.nav-sidebar .nav-link.active{background:var(--verde-fuerte)!important;color:#fff!important}.foto-tabla{width:54px;height:54px;object-fit:cover;border-radius:50%;border:2px solid var(--verde-fuerte)}.qr-tabla{width:54px;height:54px}.img-preview{max-width:160px;max-height:160px;object-fit:cover;border-radius:12px}.qr-preview{width:160px;height:160px;object-fit:contain}.preview-box{min-height:185px;border:1px dashed #bbb;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:10px}.qr-reader{width:100%;min-height:220px;background:#f5f5f5;border-radius:12px;overflow:hidden}.foto-panel{width:150px;height:150px;object-fit:cover;border-radius:12px;border:4px solid var(--verde-fuerte)}
.proyector-body{background:#0f1f12;color:#fff;min-height:100vh;text-transform:uppercase}.sala-card{background:var(--gradiente-verde);color:#fff}.codigo-sala{font-size:4rem;font-weight:900;letter-spacing:6px}.proyector-panel{background:#fff;color:#182018;min-height:80vh;border-radius:24px;padding:34px;box-shadow:0 24px 60px rgba(0,0,0,.35)}.foto-proyector{width:220px;height:220px;object-fit:cover;border-radius:18px;border:6px solid var(--verde-fuerte)}.prom-circle{width:170px;height:170px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:auto;color:#fff;font-size:3rem;font-weight:900}.prom-rojo{background:#b00020}.prom-amarillo{background:#d49a00}.prom-verde{background:#247a35}.card-nota{height:100%;box-shadow:0 6px 18px rgba(0,0,0,.08)}.nota-grande{font-size:2.4rem;font-weight:800;color:var(--verde-fuerte)}.qr-success{width:180px;height:180px;object-fit:contain}.content-wrapper{background:#f4f7f4}
@media(max-width:768px){.codigo-sala{font-size:2.5rem}.proyector-panel{padding:18px}.menu-card{padding:22px}}