:root{--ember:#EE3F24;--cream:#FFEFCC;--leaf:#023820;--blaze:#F9A11B;--silk:#FFF4E6;--ink:#111827;--muted:#6b7280;}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 10% 10%,rgba(238,63,36,.18),transparent 30%),radial-gradient(circle at 90% 0,rgba(249,161,27,.2),transparent 28%),linear-gradient(135deg,#023820 0%,#061b13 55%,#050505 100%);min-height:100vh;color:#fff}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,100%);background:rgba(255,244,230,.98);color:var(--ink);border-radius:28px;padding:34px;box-shadow:0 28px 80px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.35)}.install-card{width:min(560px,100%)}.auth-logo{display:block;max-width:260px;max-height:80px;object-fit:contain;background:#050505;border-radius:18px;padding:16px;margin-bottom:20px}.pill{display:inline-flex;background:rgba(238,63,36,.1);color:var(--ember);font-weight:800;padding:8px 12px;border-radius:999px;font-size:12px;letter-spacing:.08em;text-transform:uppercase}h1{margin:14px 0 8px;font-size:34px;line-height:1.05}p{color:#4b5563;line-height:1.6}.form-group{margin:16px 0}.form-group label{display:block;font-weight:800;font-size:13px;margin-bottom:8px}.input{width:100%;border:1px solid #eadcc5;background:white;border-radius:16px;padding:14px 16px;font-size:15px;outline:none}.input:focus{border-color:var(--ember);box-shadow:0 0 0 4px rgba(238,63,36,.14)}.btn-main{width:100%;border:0;border-radius:16px;background:linear-gradient(135deg,var(--ember),var(--blaze));color:#fff;font-weight:900;padding:15px 18px;cursor:pointer;font-size:15px;box-shadow:0 14px 28px rgba(238,63,36,.25)}.row-between{display:flex;justify-content:space-between;gap:12px;align-items:center}.link{color:var(--leaf);font-weight:900;text-decoration:none}.alert{padding:12px 14px;border-radius:14px;margin:14px 0;font-weight:700}.alert.success{background:#dcfce7;color:#166534}.alert.danger{background:#fee2e2;color:#991b1b}.demo-box{background:#fff;border:1px dashed #e4d1ae;border-radius:18px;padding:16px;margin:18px 0;color:#374151;line-height:1.7}@media(max-width:520px){.auth-card{padding:24px;border-radius:22px}h1{font-size:28px}.auth-logo{max-width:220px}}