/* ── LOGIN ───────────────────────────────────────────────── */
#login-screen{position:fixed;inset:0;background:linear-gradient(160deg,#f0fdf4,#e0f5ea);display:flex;align-items:center;justify-content:center;z-index:999;padding:24px}
.lc{background:#fff;border-radius:20px;padding:44px 28px 36px;width:100%;max-width:360px;box-shadow:0 8px 40px rgba(0,0,0,.1);display:flex;flex-direction:column;align-items:center;gap:18px}
.lc-logo{width:82px;height:82px;border-radius:20px;background:linear-gradient(145deg,#07C160,#04a050);display:flex;align-items:center;justify-content:center;font-size:40px;box-shadow:0 6px 20px rgba(7,193,96,.4)}
.lc-title{font-size:22px;font-weight:700;color:#111}
.lc-sub{font-size:13px;color:#aaa;margin-top:-10px;text-align:center}
.lc input{width:100%;border:1.5px solid #eee;border-radius:12px;padding:14px 16px;font-size:16px;outline:none;transition:border-color .2s;background:#fafafa;color:#111}
.lc input:focus{border-color:#07C160;background:#fff}
.lc-btn{width:100%;background:#07C160;color:#fff;border:none;border-radius:12px;padding:15px;font-size:17px;font-weight:600;cursor:pointer;box-shadow:0 4px 14px rgba(7,193,96,.35)}
.lc-btn:active{background:#059748}
.lc-err{font-size:13px;color:#e33;display:none;width:100%;text-align:center}