.account-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding-block: clamp(24px, 6vh, 64px);
  gap: clamp(20px, 3vw, 44px);
}
.account-intro {
  padding: clamp(22px, 4vw, 46px);
  border-radius: 16px;
  background-color: var(--surface-recessed);
  background-image: var(--canvas-grid);
  background-size: var(--canvas-grid-size);
  color: #232522;
}
.account-intro h1 { font-size: clamp(30px, 4vw, 49px); line-height: 1.04; letter-spacing: -.05em; margin: 0 0 12px; max-width: 15ch; }
.account-intro > p { max-width: 35ch; color: var(--surface-muted); font-size: 15px; line-height: 1.5; margin: 0 0 22px; }
.account-preview-controls { display: inline-flex; flex-wrap: wrap; gap: 3px; padding: 3px; border-radius: 9px; background: #faf9f5; }
.account-preview-controls button { min-height: 36px; border: 0; border-radius: 6px; padding: 6px 11px; background: transparent; color: #232522; font-size: 12px; font-weight: 600; transition: background-color 150ms, transform 150ms; }
.account-preview-controls button:hover { background: var(--surface-hover); }
.account-preview-controls button[aria-pressed="true"] { background: #232522; color: #fffdf8; }
.account-preview-controls button:active { transform: scale(.97); }
.account-preview-controls button:focus-visible { outline: 3px solid var(--surface-focus); outline-offset: 2px; }
.account-preview-board { display: grid; align-items: center; min-height: 165px; margin-top: 12px; }
.account-preview-panel { display: flex; align-items: center; justify-content: center; }
.account-layout [hidden] { display: none; }
.account-drawing,.account-node,.account-sheet { background: #fffdf9; border-radius: 9px; box-shadow: var(--surface-shadow); }
.account-drawing { display: grid; grid-template-columns: 1fr .75fr; gap: 10px; align-items: center; width: 100%; margin: 0; padding: 10px; }
.account-drawing figcaption { padding: 4px; }
.account-preview small,.account-preview strong,.account-drawing span { display: block; }
.account-preview small { font-size: 9px; font-weight: 700; letter-spacing: .05em; color: var(--surface-muted); margin-bottom: 5px; }
.account-preview strong { font-size: 14px; }
.account-drawing span { margin-top: 5px; font-size: 12px; line-height: 1.4; }
.account-preview img { display: block; width: 100%; height: 94px; object-fit: cover; border-radius: 5px; }
.account-node { flex: 1; min-width: 0; padding: 12px 10px; }
.account-node-note { background: #fff1cf; }
.account-wire { flex: 0 1 38px; color: var(--surface-focus); }
.account-sheet { width: min(100%, 270px); padding: 12px; }
.account-sheet img { margin-top: 8px; height: 89px; }
.account-layout .form-side { display: grid; align-items: center; min-width: 0; background: var(--surface-card); border-radius: 16px; box-shadow: var(--surface-shadow); }
.account-layout :is(.login-card,.signup-card) {
  padding: clamp(22px, 3.5vw, 40px);
  width: 100%;
  max-width: none;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0;
  box-shadow: none !important;
}
.account-layout :is(.login-card,.signup-card) h2 { font-size: clamp(29px, 3vw, 39px); line-height: 1.1; letter-spacing: -.04em; margin: 0 0 8px; }
.account-layout :is(.intro,.form-intro) { font-size: 14px; margin: 0 0 22px; line-height: 1.5; }
.account-layout .signup-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 12px; }
.account-layout .signup-form > :not(.form-field) { grid-column: 1 / -1; }
.account-layout .form-field { margin: 0; min-width: 0; }
.account-layout :is(.control,.field-control) input { min-height: 46px; }
.account-layout .login-form { gap: 14px; }
.account-layout :is(.login-form .btn,.signup-action) { justify-content: space-between; min-height: 46px; padding-inline: 17px; }
.account-layout :is(.footnote,.form-footnote) { text-align: left; margin: 0; }
.account-demo { background: var(--surface-field); border-radius: 10px; padding: 10px 12px; display: flex; align-items: center; gap: 8px 12px; flex-wrap: wrap; }
.account-demo .footnote { flex: 1 1 140px; }
.account-layout .account-demo .demo-btn { width: auto; min-height: 42px; background: #fffdf9 !important; padding-inline: 12px; }
.account-layout .account-demo .demo-btn:hover { background: var(--surface-hover) !important; }
.account-local-note,.account-signed-out { background: var(--surface-field); border-radius: 8px; padding: 9px 11px; }
.account-signed-out { margin: 0 0 16px; font-size: 13px; line-height: 1.4; color: var(--surface-muted); }
.account-layout .form-footnote a { text-decoration: underline; text-underline-offset: 3px; }
@media(max-width: 850px) {
  .account-layout { grid-template-columns: minmax(0,1fr); max-width: 550px; gap: 14px; }
  .account-layout .form-side { grid-row: 1; }
  .account-intro h1 { max-width: none; }
}
@media(max-width: 520px) {
  .account-layout .signup-form { grid-template-columns: minmax(0,1fr); }
}
@media(prefers-reduced-motion: reduce) {
  .account-preview-controls button { transition: none; }
  .account-preview-controls button:active { transform: none; }
}

.account-layout .reveal {
  display: grid;
  place-items: center;
  width: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 6px;
  color: var(--surface-muted);
}
.account-layout .reveal:hover { background: var(--surface-hover); }
.account-layout .reveal .eye-slash { display: none; }
.account-layout .reveal[aria-pressed="true"] .eye-slash { display: block; }
.account-preview-credit { display: inline-block; margin-top: 6px; color: var(--surface-muted); font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }