* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif; background: linear-gradient(180deg, #EAF4FF 0%, #F7FBFF 100%); }
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.card { width: clamp(320px, 92%, 420px); border-radius: 16px; background: #fff; border: 1px solid rgba(47,62,86,0.12); box-shadow: 0 18px 40px rgba(47,62,86,0.14); padding: 20px; }
.card h1 { margin: 0 0 12px; font-size: 22px; }
.row { margin-top: 10px; }
input { width: 100%; height: 44px; border-radius: 10px; border: 1px solid rgba(47,62,86,0.18); padding: 0 12px; font-size: 15px; }
.actions { display: flex; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 16px; border-radius: 10px; font-weight: 600; font-size: 14px; cursor: pointer; border: 1px solid rgba(47,62,86,0.18); }
.btn.primary { background: #0094fc; color: #fff; box-shadow: 0 10px 24px rgba(0,148,252,0.28); }
.msg { margin-top: 10px; color: #1E88E5; min-height: 20px; }
 .hidden { display: none; }