:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#1a2d20;background:#f0f5f1}
*{box-sizing:border-box}
body{min-height:100vh;margin:0;background:radial-gradient(circle at 15% 10%,#dcebe0 0,transparent 30%),linear-gradient(145deg,#edf4ef,#f8faf8)}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(100%,420px);padding:38px 40px 30px;border:1px solid #d8e5dc;border-radius:20px;background:#fff;box-shadow:0 20px 55px #12361f17;text-align:center}
.login-seal{display:block;width:78px;height:78px;object-fit:contain;margin:0 auto 18px;padding:6px;border:1px solid #d9e7dd;border-radius:50%;background:#f8fbf8}
.login-kicker{margin:0;color:#176e43;font-size:10px;font-weight:800;letter-spacing:.16em}
h1{margin:8px 0 5px;color:#104d30;font-size:25px;line-height:1.2}
.login-intro{margin:0 0 24px;color:#65766b;font-size:13px}
form{text-align:left}
label{display:block;margin:14px 0 6px;color:#344d3d;font-size:12px;font-weight:750}
input{width:100%;height:44px;padding:0 12px;border:1px solid #cbd9cf;border-radius:8px;background:white;color:#1a2d20;font:15px inherit;outline:none}
input:focus{border-color:#318357;box-shadow:0 0 0 3px #176e431a}
button{width:100%;height:46px;margin-top:20px;border:0;border-radius:8px;background:#176e43;color:white;font-size:14px;font-weight:800;cursor:pointer}
button:hover{background:#0d5031}button:disabled{opacity:.65;cursor:wait}
.login-message{min-height:20px;margin:12px 0 0;color:#a12828;font-size:12px;text-align:center}
.login-foot{margin:16px 0 0;color:#76857a;font-size:11px}
@media(max-width:480px){.login-card{padding:30px 24px}.login-shell{padding:16px}}
.smoke-puff{position:fixed;z-index:9999;width:44px;height:38px;border-radius:50%;pointer-events:none;background:radial-gradient(ellipse at 35% 45%,#eff8f1bb 0%,#d7e4dacc 26%,#aebdaf66 58%,transparent 78%);filter:blur(7px);animation:smokeDrift 950ms ease-out forwards}
@keyframes smokeDrift{0%{opacity:.48;transform:translate(-50%,-45%) scale(.55)}45%{opacity:.28}100%{opacity:0;transform:translate(calc(-50% + var(--smoke-drift)),-145%) scale(1.65)}}