html, body{ height: 100%; }
body.auth-body{
  background: #eef0f3;
  display:flex; align-items:center; justify-content:center;
  min-height: 100vh;
  padding: 22px;
}

.auth-shell{
  width: 100%;
  max-width: 1000px;
  min-height: 680px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  background: #eef0f3;
  border-radius: 28px;
  padding: 14px;
  box-shadow: 0 30px 70px -20px rgba(12,13,17,.35);
}

.auth-visual{
  position: relative;
  background: var(--bg);
  border-radius: 20px;
  padding: 40px;
  display:flex; flex-direction:column; justify-content:space-between;
  overflow: hidden;
}
.auth-visual-tag{
  position: relative; z-index: 2;
  display:flex; align-items:center; gap:10px;
  color: rgba(255,255,255,.55);
  font-size: 11px; font-weight: 700; letter-spacing:.14em; text-transform:uppercase;
}
.auth-visual-tag::after{ content:""; flex:1; height:1px; background: rgba(255,255,255,.18); margin-left: 6px; }
.auth-visual-copy{ position: relative; z-index: 2; color:#fff; }
.auth-visual-copy h1{ font-family: var(--font); font-weight: 800; font-size: 28px; line-height: 1.18; margin: 0 0 14px; letter-spacing: -0.02em; }
.auth-visual-copy p{ margin:0; max-width: 360px; font-size: 13.5px; line-height: 1.6; color: rgba(255,255,255,.55); font-weight: 500; }

.auth-form-side{ display:flex; flex-direction:column; align-items:center; padding: 48px 56px; overflow-y:auto; }
.auth-form{ width:100%; max-width: 340px; flex: 1; display:flex; flex-direction:column; }
.auth-form-fields{ flex: 1; display:flex; flex-direction:column; justify-content:center; }
.auth-brand{ text-align:left; margin-bottom: 30px; font-weight: 800; font-size: 17px; color: var(--ink); letter-spacing: -0.01em; }

.back-link{
  display:inline-flex; align-items:center; gap:6px;
  font-size: 12.5px; font-weight: 700; color: var(--ink-soft);
  text-decoration:none; margin-bottom: 18px;
}
.back-link:hover{ color: var(--ink); }

.auth-heading{ text-align:left; margin-bottom: 26px; }
.auth-heading h2{ font-family: var(--font); font-weight: 800; font-size: 24px; margin: 0 0 8px; color: var(--ink); letter-spacing: -0.01em; }
.auth-heading p{ margin:0; font-size: 12.5px; color: var(--ink-soft); font-weight: 500; }

.auth-alert{
  margin-bottom: 18px; padding: 11px 14px; border-radius: 9px;
  font-size: 12.5px; font-weight: 600; line-height: 1.5;
}
.auth-alert--error{ background: var(--warn-soft); color: var(--warn-text); }
.auth-alert--ok{ background: var(--ok-soft); color: var(--ok-text); }
.auth-alert code{ display:block; margin-top:6px; word-break:break-all; font-size:11px; background:rgba(0,0,0,.06); padding:6px 8px; border-radius:6px; }

.field-group{ margin-bottom: 16px; }
.field-row-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field-label{ display:block; font-size: 12px; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.field-control{ position: relative; display:flex; align-items:center; }
.field-icon{ position:absolute; left: 14px; display:flex; align-items:center; justify-content:center; color: var(--ink-soft); pointer-events:none; }
.field-control input, .field-control select{
  width: 100%; font-family: var(--font); font-size: 13.5px; font-weight: 500; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 9px;
  padding: 12px 14px 12px 40px; outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field-control input::placeholder{ color: #a7aab3; }
.field-control input:focus, .field-control select:focus{ border-color: var(--accent); box-shadow: 0 0 0 3px rgba(40,221,99,.16); }
.field-control input[type="password"]{ padding-right: 42px; }
.field-toggle{ position:absolute; right: 12px; display:flex; align-items:center; justify-content:center; color: var(--ink-soft); cursor:pointer; background:none; border:none; padding:2px; }
.field-toggle:hover{ color: var(--ink); }

.field-row{ display:flex; align-items:center; justify-content:space-between; margin: 4px 0 22px; }
.remember{ display:flex; align-items:center; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); cursor:pointer; user-select:none; }
.remember input{ width: 15px; height: 15px; accent-color: var(--ink); cursor:pointer; }
.forgot-link{ font-size: 12.5px; font-weight: 700; color: var(--accent); text-decoration:none; }
.forgot-link:hover{ text-decoration:underline; }

.terms-row{ display:flex; align-items:flex-start; gap: 9px; margin: 6px 0 22px; }
.terms-row input{ width: 15px; height: 15px; margin-top: 2px; accent-color: var(--ink); cursor:pointer; flex-shrink:0; }
.terms-row label{ font-size: 12px; font-weight: 500; color: var(--ink-soft); line-height: 1.55; cursor:pointer; }

.btn-primary{
  width:100%; background: var(--ink); color:#fff; border:none; border-radius: 9px;
  padding: 13px; font-family: var(--font); font-size: 13.5px; font-weight: 700;
  cursor:pointer; transition: background .15s ease, transform .1s ease;
}
.btn-primary:hover{ background:#000; }
.btn-primary:active{ transform: scale(.99); }

.btn-row{ display:flex; gap: 10px; }
.btn-row .btn-primary{ width:auto; flex:1; }
.btn-secondary{
  flex-shrink: 0; background: #fff; border: 1px solid var(--line); color: var(--ink);
  border-radius: 9px; padding: 13px 20px; font-family: var(--font);
  font-size: 13.5px; font-weight: 700; cursor:pointer; transition: background .15s ease;
}
.btn-secondary:hover{ background: var(--field); }

.step-indicator{ display:flex; align-items:center; gap: 8px; margin-bottom: 22px; }
.step-indicator .bar{ flex:1; height: 4px; border-radius: 999px; background: var(--line); overflow:hidden; }
.step-indicator .bar span{ display:block; height:100%; width:0%; background: var(--accent); border-radius: 999px; transition: width .3s ease; }
.step-indicator .bar.is-done span, .step-indicator .bar.is-active span{ width:100%; }
.step-label{ font-size: 11px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing:.04em; white-space: nowrap; }

.signup-step{ display:none; }
.signup-step.is-active{ display:block; }

.auth-switch{ text-align:center; padding-top: 22px; font-size: 12.5px; font-weight: 500; color: var(--ink-soft); }
.auth-switch a{ color: var(--ink); font-weight: 700; text-decoration:none; }
.auth-switch a:hover{ color: var(--accent); }

@media (max-width: 860px){
  .auth-shell{ grid-template-columns: 1fr; max-width: 420px; }
  .auth-visual{ display:none; }
  .auth-form-side{ padding: 40px 26px; }
}