:root {
  color-scheme: dark;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 20%, #1a2638 0, #0b111b 48%, #070b11 100%);
  color: #eef3f8;
}
.login-shell { width: min(92vw, 420px); }
.login-card {
  padding: 34px;
  border: 1px solid #5389DB;
  border-radius: 22px;
  background: rgba(17, 25, 38, .96);
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
}
.brand-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background: #2A4670;
  font-size: 28px;
}
h1 { margin: 0 0 8px; font-size: 28px; }
p { margin: 0 0 26px; color: #9eacc0; line-height: 1.45; }
label { display: block; margin-top: 16px; }
label span {
  display: block;
  margin-bottom: 7px;
  color: #b9c4d3;
  font-size: 13px;
  font-weight: 700;
}
input {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid #497BC1;
  border-radius: 10px;
  outline: 0;
  background: #0c131f;
  color: #fff;
  font: inherit;
}
input:focus {
  border-color: #5389DB;
  box-shadow: 0 0 0 3px rgba(215,154,0,.16);
}
button {
  width: 100%;
  margin-top: 22px;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: #2A4670;
  color: #ffffff;
  font: 800 15px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
#login-error {
  min-height: 20px;
  margin-top: 14px;
  color: #ff969b;
  font-size: 13px;
  text-align: center;
}


.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.login-brand h1 {
  margin: 0;
}

.login-brand .brand-icon {
  flex: 0 0 auto;
  margin: 2;
  width: 52px;
  height: 52px;
  font-size: 24px;
}