:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #eef2f5;
  color: #18212b;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #f8fafb 0%, #e7edf1 100%); }
.shell { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.panel { width: min(420px, 100%); background: #fff; border: 1px solid #d7dee5; border-radius: 8px; box-shadow: 0 18px 50px rgba(24, 33, 43, .12); padding: 30px; }
.brand-row { display: flex; align-items: center; gap: 14px; margin-bottom: 30px; }
.mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 7px; background: #1d3b53; color: #fff; font-weight: 700; letter-spacing: .02em; }
.brand { font-size: 17px; font-weight: 700; }
.subbrand { margin-top: 2px; color: #64717d; font-size: 13px; }
h1 { margin: 0 0 8px; font-size: 25px; line-height: 1.2; letter-spacing: 0; }
p { margin: 0; color: #65727e; line-height: 1.5; }
.copy { margin-bottom: 26px; }
.form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; color: #34414e; font-size: 13px; font-weight: 600; }
input { width: 100%; height: 44px; border: 1px solid #c7d0d9; border-radius: 6px; padding: 0 12px; font: inherit; color: #18212b; background: #fff; outline: none; }
input:focus { border-color: #2e6f9e; box-shadow: 0 0 0 3px rgba(46, 111, 158, .14); }
button { height: 44px; border: 0; border-radius: 6px; background: #1d3b53; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { background: #244b69; }
.error { min-height: 20px; color: #b42318; font-size: 13px; font-weight: 600; }
.meta { margin-top: 20px; padding-top: 18px; border-top: 1px solid #e5eaf0; display: flex; flex-wrap: wrap; gap: 8px 14px; color: #71808d; font-size: 12px; }
@media (max-width: 420px) { .panel { padding: 24px; } h1 { font-size: 23px; } }