:root {
  color-scheme: light;
  --cbs-blue: #25216f;
  --cbs-lightblue: #00b4d5;
  --ink: #252536;
  --muted: #626a75;
  --line: #d9dde2;
  --canvas: #f2f3f5;
  --red: #a9443a;
  font-family: Calibri, Carlito, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body { font-family: Calibri, Carlito, Arial, sans-serif; color: var(--ink); background: var(--canvas); }
.login-shell { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 34px 20px; border-top: 4px solid var(--cbs-lightblue); }
.brand-row { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-logo { display: block; width: 54px; height: 54px; flex: 0 0 54px; object-fit: contain; border-radius: 50%; }
.brand-copy { display: flex; flex-direction: column; gap: 3px; }
.brand-copy strong { font-size: 18px; color: var(--cbs-blue); font-weight: 700; letter-spacing: 0; }
.brand-copy span { font-size: 12px; color: #626a75; letter-spacing: .06em; text-transform: uppercase; }
.login-card { width: min(100%, 440px); padding: 36px 38px 30px; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--cbs-blue); border-radius: 10px; box-shadow: 0 12px 32px rgba(37,33,111,.08); }
.card-icon { width: 44px; height: 44px; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: #e5f7fa; color: var(--cbs-blue); margin-bottom: 20px; }
.card-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.eyebrow { margin: 0 0 8px; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--cbs-blue); }
h1 { margin: 0; color: var(--cbs-blue); font-size: 30px; font-weight: 700; letter-spacing: 0; }
.intro { margin: 9px 0 25px; color: var(--muted); font-size: 15px; line-height: 1.5; }
form { display: flex; flex-direction: column; }
label { margin: 0 0 7px; color: #343447; font-size: 14px; font-weight: 700; }
input { width: 100%; height: 46px; margin: 0 0 17px; padding: 0 13px; border: 1px solid #bfc5cc; border-radius: 5px; background: #fff; color: #252536; font: inherit; font-size: 15px; outline: none; }
input:focus { border-color: var(--cbs-lightblue); box-shadow: 0 0 0 3px rgba(0,180,213,.15); }
input[readonly] { background: #f4f5f6; color: #626a75; }
button { min-height: 46px; margin-top: 5px; border: 0; border-radius: 5px; background: var(--cbs-blue); color: #fff; font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; transition: background .15s, transform .15s; }
button:hover { background: #1b367d; }
button:active { transform: translateY(1px); }
button span { margin-left: 8px; color: #a6edf7; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(0,180,213,.35); outline-offset: 2px; }
.error-message { margin: 0 0 18px; padding: 11px 12px; border: 1px solid #f0cbc6; border-radius: 5px; background: #fff5f3; color: var(--red); font-size: 13px; line-height: 1.5; }
.error-message[hidden] { display: none; }
.security-note { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 21px 0 0; color: #626a75; font-size: 12px; }
.security-dot { width: 7px; height: 7px; border-radius: 50%; background: #269b79; box-shadow: 0 0 0 3px #e8f7f1; }
footer { margin-top: 25px; color: #626a75; text-align: center; font-size: 12px; }
@media (max-width: 480px) { .login-shell { padding: 20px 15px; } .login-card { padding: 29px 23px 25px; } .brand-row { margin-bottom: 21px; } .brand-logo { width: 48px; height: 48px; flex-basis: 48px; } }