/* Typography and colors follow the existing BarMD SVG wordmark and pulse. */
.login-body { --font: "Avenir Next", "Helvetica Neue", Arial, sans-serif; --text: #111111; --muted: #626262; --accent: #c61f1f; --accent-soft: #fceeee; --line: #d4d4d4; font-family: var(--font); }
.login-body :is(h1,h2,p,label,input,button,select,textarea,code) { font-family: var(--font); }
/* Reference-based sign-in layout; authentication logic stays in login.html/app.py. */
.login-body { color: #111111; background: #f4f4f4; }
.login-body .public-shell { padding: 0; background: transparent; }
.login-stage { position: relative; isolation: isolate; display: flex; align-items: center; width: 100%; min-height: 100svh; padding: 64px 5vw; background: #f4f4f4 url("login-study-background.png") center center / cover no-repeat; }
.login-accent-curves { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.login-accent-curves path { fill: none; stroke: #c61f1f; stroke-width: 1.4; opacity: .55; }
.login-auth-shell { display: block; width: 100%; padding: 0; }
.login-brand { position: absolute; left: 9.5%; top: 8%; width: clamp(240px,25vw,385px); max-width: 40%; height: auto; }
.login-auth-card { display: flex; flex-direction: column; justify-content: center; align-items: stretch; gap: 24px; width: min(690px,50%); min-height: min(752px,82svh); margin-left: auto; padding: clamp(40px,7vh,80px) clamp(28px,4vw,62px) 60px; border: 1px solid rgba(255,255,255,.9); border-radius: 22px; background: rgba(255,255,255,.96); box-shadow: 0 20px 55px rgba(17,17,17,.08); }
.login-auth-card h1.login-title { margin: 0 0 30px; color: #111111; font-size: 20px; font-weight: 650; line-height: 1.4; letter-spacing: .32em; text-transform: uppercase; }
.login-auth-form,.login-auth-form-email,.login-provider-stack { width: 100%; }
.login-auth-form-email { gap: 18px; }
.login-identifier-field { position: relative; display: block; }
.login-input-field input { height: 70px; border: 1px solid #d4d4d4; border-radius: 12px; background: rgba(255,255,255,.8); font-size: 19px; color: #111111; }
.login-identifier-field input { padding-left: 68px; }
.login-email-icon { position: absolute; top: 50%; left: 22px; width: 26px; height: 26px; transform: translateY(-50%); color: #686868; pointer-events: none; }
.login-submit { position: relative; min-height: 70px; padding: 18px 48px; border: 1px solid #c61f1f; border-radius: 12px; background: #c61f1f; color: #fff; font-size: 21px; font-weight: 600; }
.login-submit svg { position: absolute; right: 24px; width: 22px; height: 22px; }
.login-submit:hover { background: #a61a1a; border-color: #a61a1a; }
.login-provider-stack { gap: 20px; }
.login-provider-divider { gap: 22px; font-size: 16px; font-weight: 600; letter-spacing: .08em; }
.login-provider-divider::before,.login-provider-divider::after { background: #dedede; }
.login-provider-button { min-height: 70px; padding: 14px 20px; border-color: #d4d4d4; border-radius: 12px; background: transparent; color: #111111; font-size: 20px; font-weight: 550; gap: 22px; box-shadow: none; }
.login-provider-mark { width: 35px; height: 35px; border: 1.4px solid #c61f1f; color: #c61f1f; background: transparent; }
.login-sms-submit .login-provider-mark { font-size: 13px; }
.login-passkey-icon { width: 29px; height: 29px; color: #c61f1f; flex-shrink: 0; }
.login-provider-status:empty { display: none; }
.login-compliance-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin: 40px 0 0; color: #626262; font-size: 16px; line-height: 1.5; }
.login-compliance-links a { color: #626262; font-weight: 400; }
.login-auth-card :is(button,a,input):focus-visible { outline: 3px solid #c61f1f; outline-offset: 3px; }
.login-auth-card.is-token-step h1 { font-size: clamp(26px,2.6vw,38px); line-height: 1.18; color: #111111; }
.login-code-group { width: 100%; gap: 8px; }
.login-code-slot { flex: 1 1 0; width: 0; min-width: 0; max-width: 52px; height: 56px; }
.login-code-copy { overflow-wrap: anywhere; }
@media (max-width: 900px) {
  .login-stage { padding: 36px 24px; background-position: 35% center; }
  .login-brand { left: 5%; width: 240px; }
  .login-auth-card { width: 57%; padding: 40px 28px; }
  .login-auth-card h1.login-title { font-size: 17px; letter-spacing: .25em; }
  .login-provider-button,.login-submit { font-size: 17px; }
  .login-compliance-links { font-size: 14px; gap: 10px; }
}
@media (max-width: 680px) {
  .login-stage { align-items: flex-start; padding: 28px 18px; background-position: 28% center; }
  .login-auth-shell { display: flex; flex-direction: column; align-items: center; gap: 26px; }
  .login-brand { position: static; width: 225px; max-width: 75%; }
  .login-auth-card { width: min(100%,480px); min-height: 0; margin: 0; padding: 38px 22px 30px; gap: 22px; border-radius: 20px; }
  .login-auth-card h1.login-title { margin-bottom: 12px; }
  .login-input-field input,.login-provider-button,.login-submit { min-height: 58px; height: auto; }
  .login-input-field input { height: 58px; font-size: 16px; }
  .login-identifier-field input { padding-left: 52px; }
  .login-email-icon { left: 17px; width: 22px; }
  .login-provider-button { gap: 14px; }
  .login-compliance-links { margin-top: 16px; }
  .login-code-group { gap: 4px; }
  .login-code-slot { height: 44px; font-size: 16px; }
}

.login-body .login-code-slot { color: #111111; border-color: #d4d4d4; }
.login-body .login-code-copy { color: #626262; }
.login-body .login-code-copy strong { color: #111111; }
.login-body .login-input-field input::placeholder { color: #686868; }
.login-body .login-input-field input:focus,.login-body .login-code-slot:focus { border-color: #c61f1f; box-shadow: 0 0 0 3px rgba(198,31,31,.14); }
.login-body .login-provider-divider,.login-body .login-provider-note { color: #626262; }
.login-body .login-provider-button:hover { border-color: #a3a3a3; background: #f7f7f7; }
.login-body .login-submit:focus-visible { box-shadow: 0 0 0 4px rgba(198,31,31,.14); }
.login-body .login-muted-button:not(:disabled) { color: #626262; }