/* Sign-in and change-password pages (decision 39; layout from bb-coach-brad public/login.html, Hub tokens). */
:root {
  --wh-teal: #33626D; --wh-teal-dark: #2a535c; --wh-yellow: #FFD747;
  --text: #1e293b; --text-muted: #596579; --border-input: #7d8b9c; --alert: #b91c1c; --alert-bg: #fef2f2;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px;
  font: 14px/1.6 "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--text);
  background: linear-gradient(135deg, #2a535c 0%, #33626D 50%, #3a7585 100%);
}
:focus-visible { outline: 2px solid var(--wh-teal); outline-offset: 2px; }
.box { background: #fff; border-radius: 16px; box-shadow: 0 20px 60px rgba(0, 0, 0, .3); width: 420px; max-width: 100%; overflow: hidden; }
.box-head { background: var(--wh-teal); color: #fff; padding: 28px 32px 24px; text-align: center; }
.box-head img { height: 34px; width: auto; display: block; margin: 0 auto 12px; }
.box-head h1 { font-size: 22px; font-weight: 700; letter-spacing: -.3px; margin: 0; }
.box-head h1 .hub { color: var(--wh-yellow); }
.box-head p { margin: 4px 0 0; font-size: 13px; color: #d4e4e8; }
.box-body { padding: 28px 32px 8px; }
.fg { margin-bottom: 18px; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: #334155; }
.hint { display: block; font-size: 12px; color: var(--text-muted); margin: -2px 0 6px; }
input {
  width: 100%; min-height: 44px; padding: 10px 14px; border: 1px solid var(--border-input); border-radius: 8px;
  font: 15px "Poppins", sans-serif; background: #fff; color: var(--text);
}
input:focus { outline: 2px solid var(--wh-teal); outline-offset: 1px; border-color: var(--wh-teal); }
input[aria-invalid="true"] { border-color: var(--alert); }
.btn {
  width: 100%; min-height: 44px; padding: 10px 16px; border: 0; border-radius: 8px; background: var(--wh-teal); color: #fff;
  font: 600 15px "Poppins", sans-serif; cursor: pointer;
}
.btn:hover { background: var(--wh-teal-dark); }
.btn:disabled { opacity: .65; cursor: progress; }
.error { background: var(--alert-bg); color: var(--alert); border: 1px solid #fecaca; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin: 0 0 16px; }
.error:empty { display: none; }
.box-foot { padding: 4px 32px 24px; text-align: center; font-size: 12px; color: var(--text-muted); }
.link { background: none; border: 0; padding: 4px; color: var(--wh-teal); text-decoration: underline; font: inherit; cursor: pointer; }
.ok { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin: 0 0 16px; }
.done { padding-bottom: 28px; }
a.btn { display: flex; align-items: center; justify-content: center; text-decoration: none; }