* { box-sizing: border-box; }
body { margin: 0; min-height: 100dvh; display: grid; place-items: center; padding: 40px 24px; background: var(--nav); color: var(--text); font: 15px/1.6 var(--font-ui); }
main { width: 100%; max-width: 460px; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 36px; box-shadow: var(--shadow-panel); }
main.wide { max-width: 620px; }
.brand { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; margin-bottom: 32px; }
.brand img { width: 140px; height: auto; }
.brand span { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .03em; }
h1 { margin: 0 0 12px; font-size: 26px; line-height: 1.25; letter-spacing: -.035em; font-weight: 650; }
p { margin: 0 0 20px; color: var(--muted); }
p strong, dd { color: var(--text); }
label { display: block; margin: 20px 0 8px; font-weight: 600; font-size: 13px; }
input[type=email], input[type=password], input[type=file] { width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 8px; font: inherit; color: inherit; background: #fff; }
input:hover { border-color: var(--muted); }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--bienair-ink); outline-offset: 3px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
button, .button { flex: 1; min-height: 46px; padding: 11px 18px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-align: center; text-decoration: none; transition: background .15s; }
button:hover, .button:hover { background: var(--accent-dark); }
button.secondary, .button.secondary { background: #fff; color: var(--text); border-color: var(--line-strong); }
button.secondary:hover, .button.secondary:hover { background: var(--nav); }
.notice { margin: 0 0 20px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--tint); color: var(--text); font-size: 14px; }
.notice.error { background: var(--danger-bg); color: var(--danger); border-color: #edcbc7; }
dl { margin: 0 0 12px; padding: 16px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; }
dt { color: var(--muted); font-size: 12px; }
dd { margin: 0 0 8px; overflow-wrap: anywhere; }
dd:last-child { margin-bottom: 0; }
code { font: 13px ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
nav { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; }
nav a { color: var(--accent); }
nav form { margin-left: auto; }
nav button { min-height: 0; padding: 0; border: 0; background: none; color: var(--muted); font-weight: 400; text-decoration: underline; }
.login-layout { max-width: 920px; display: grid; grid-template-columns: 1fr 1fr; padding: 0; overflow: hidden; }
.login-intro { padding: 44px 40px; background: var(--tint-soft); border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.login-intro .brand { margin-bottom: 48px; }
.login-intro h2 { font-size: 30px; font-weight: 600; line-height: 1.2; letter-spacing: -.035em; margin: 0 0 16px; max-width: 12ch; }
.login-intro p { font-size: 14px; max-width: 29ch; }
.login-intro ul { list-style: none; margin: 12px 0 36px; padding: 0; }
.login-intro li { display: flex; align-items: center; gap: 10px; padding: 10px 0; font-size: 13px; color: var(--text-soft); }
.login-intro li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--bienair-ink); }
.login-intro footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.login-form { align-self: center; padding: 48px 40px; }
.login-form > p { font-size: 14px; }
.login-help { margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12px !important; }
@media (max-width: 680px) {
  body { padding: 24px 16px; }
  main { padding: 28px 24px; }
  .login-layout { max-width: 440px; display: block; padding: 0; }
  .login-intro { padding: 28px 28px 24px; border-right: 0; border-bottom: 1px solid var(--line); background: var(--paper); }
  .login-intro .brand { margin: 0; gap: 18px; }
  .login-intro h2, .login-intro p, .login-intro ul, .login-intro footer { display: none; }
  .login-form { padding: 28px; }
  input[type=email], input[type=password] { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }