* { box-sizing: border-box; }
:root {
  color-scheme: light;
  --ink: #19212f;
  --muted: #697586;
  --line: #dfe5ed;
  --blue: #1677d2;
  --blue-dark: #105eaa;
  --pale: #f4f8fc;
}
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f4f8fc 0, #fff 360px);
  min-height: 100vh;
}
.topbar {
  min-height: 76px; padding: 0 clamp(18px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between;
  background: #fff; border-bottom: 1px solid #e8edf3;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 21px; font-weight: 800; letter-spacing: -.6px; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: #fff; background: var(--blue); font-size: 22px; }
.brand-light { color: var(--blue); }
.demo-pill { color: #155b9e; background: #e8f3ff; border: 1px solid #cfe5ff; border-radius: 999px; padding: 7px 12px; font-size: 11px; font-weight: 800; letter-spacing: .7px; }
.page { padding: 44px 18px 28px; }
.login-card { width: min(100%, 470px); margin: 0 auto; padding: clamp(24px, 5vw, 38px); background: #fff; border: 1px solid #e8edf3; border-radius: 22px; box-shadow: 0 18px 50px rgba(29, 55, 83, .09); }
.welcome-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: #eaf4ff; color: var(--blue); font-size: 26px; font-weight: 800; margin-bottom: 22px; }
.eyebrow { margin: 0 0 8px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 1.5px; }
h1 { font-size: clamp(26px, 5vw, 32px); letter-spacing: -1px; line-height: 1.2; margin: 0 0 12px; }
.intro { color: var(--muted); font-size: 15px; line-height: 1.65; margin: 0 0 28px; }
form { display: grid; gap: 9px; }
label { margin-top: 5px; font-size: 13px; font-weight: 700; }
input { width: 100%; min-height: 50px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; color: var(--ink); background: #fff; font: inherit; font-size: 15px; outline: none; }
input::placeholder { color: #a2acb9; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,119,210,.12); }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 70px; }
.show-password { position: absolute; right: 7px; top: 7px; height: 36px; padding: 0 9px; border: 0; border-radius: 7px; color: var(--blue); background: #eef6ff; font-weight: 700; cursor: pointer; }
.submit { margin-top: 12px; width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: center; gap: 10px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; font: inherit; font-weight: 750; cursor: pointer; transition: background .15s, transform .15s; }
.submit:hover { background: var(--blue-dark); }
.submit:active { transform: translateY(1px); }
.notice { margin: 14px 0 0; padding: 11px 12px; border-radius: 9px; background: #f0f8f2; color: #27633b; font-size: 12px; line-height: 1.5; }
.separator { display: flex; align-items: center; gap: 12px; color: #9aa5b3; font-size: 10px; font-weight: 800; letter-spacing: 1.2px; margin: 26px 0 18px; }
.separator::before, .separator::after { content: ""; height: 1px; flex: 1; background: #e8edf3; }
.feature-list { display: grid; gap: 17px; }
.feature { display: flex; align-items: flex-start; gap: 12px; }
.feature-icon { flex: 0 0 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: var(--blue); background: #edf6ff; font-weight: 900; }
.feature strong { font-size: 13px; }
.feature p { margin: 4px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.footnote { max-width: 470px; margin: 18px auto 0; text-align: center; color: #8792a1; font-size: 11px; line-height: 1.5; }
@media (max-width: 420px) {
  .topbar { min-height: 66px; padding: 0 16px; }
  .brand { font-size: 19px; }
  .page { padding: 24px 12px; }
  .login-card { padding: 23px 19px; border-radius: 17px; }
}