/* ZipRiser v2 application styling. Product workflows and drawing artwork are independent. */
.zr-app { --font-mono: var(--font-sans); }
body.zr-app { margin: 0; background: var(--paper); color: var(--ink); font: 400 18px/1.6 var(--font-sans); -webkit-font-smoothing: antialiased; }
.zr-app h1, .zr-app h2, .zr-app h3 { font-family: var(--font-sans); text-wrap: balance; letter-spacing: -.02em; }
.zr-app h1 { font-size: clamp(30px, 3vw, 40px); line-height: 1.2; font-weight: 800; }
.zr-app h2 { font-size: 28px; line-height: 1.3; font-weight: 700; }
.zr-app h3 { font-size: 24px; line-height: 1.3; font-weight: 700; }
.zr-app p, .zr-app blockquote { font-size: 18px; line-height: 1.6; }
.zr-app :where(button, input, select, textarea) { font-family: var(--font-sans); font-size: 16px; }
.zr-app :where(button, select, input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color])) { min-height: 44px; }
.zr-app :where(button) { min-width: 44px; }
.zr-app button, .zr-app [role=button] { border-radius: var(--radius-pill); }
.zr-app :where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]), select, textarea) { border-radius: var(--radius-control); }
.zr-app :where(input[type=checkbox], input[type=radio]) { accent-color: var(--blueprint); }
.zr-app :where(a) { text-underline-offset: 3px; }
.zr-app :where(a:hover) { text-decoration-thickness: 2px; }
.zr-app :focus-visible { outline: 2px solid var(--blueprint); outline-offset: 3px; }
.zr-app :where(.tabular-nums, .zr-figure) { font-variant-numeric: tabular-nums; font-weight: 600; }
.zr-app :where(table) { border-collapse: collapse; font-size: 16px; }
.zr-app :where(th) { font-family: var(--font-sans); font-size: 16px; letter-spacing: normal; text-transform: none; }
.zr-app :where(td, th) { padding: 12px 16px; }
.zr-app :where(button:disabled, input:disabled, select:disabled) { opacity: 1; color: var(--ink-3); background: var(--paper-sunken); border-color: var(--line); cursor: not-allowed; }
.zr-appbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 24px; min-height: 64px; padding: 0 24px; background: var(--paper-raised); color: var(--ink); border-bottom: 1px solid var(--line); flex-shrink: 0; }
.zr-appbar .zr-logo { display: flex; align-items: center; flex-shrink: 0; padding: 16px 0; min-height: 64px; }
.zr-logo img { display: block; width: 154px; height: 32px; object-fit: contain; }
.zr-app-links { display: flex; align-items: center; gap: 4px; padding: 6px 0; }
.zr-appbar a, .zr-appbar button, .zr-appbar summary { color: var(--ink-2); font-size: 16px; font-weight: 600; text-decoration: none; }
.zr-app-links > a { display: flex; align-items: center; min-height: 44px; padding: 8px 20px; border-radius: var(--radius-pill); }
.zr-app-links > a[aria-current=page] { background: var(--blueprint-tint); color: var(--blueprint); }
.zr-appbar :where(a:not(.zr-logo), button, summary):hover { background: var(--paper-sunken); }
.zr-app-context { min-width: 0; font-size: 15px; color: var(--ink-2); }
.zr-account-menu { margin-left: auto; position: relative; }
.zr-account-menu summary { cursor: pointer; padding: 10px 16px; min-height: 44px; border-radius: var(--radius-pill); }
.zr-account-menu > nav { position: absolute; right: 0; top: calc(100% + 8px); width: 230px; padding: 8px; background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-card); box-shadow: var(--shadow-float); z-index: 40; }
.zr-account-menu nav > a, .zr-account-menu nav > button { display: flex; align-items: center; width: 100%; min-height: 44px; padding: 8px 12px; background: transparent; border: 0; border-radius: var(--radius-control); text-align: left; }
.zr-signed-out { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100svh; max-width: 600px; margin: 0 auto; padding: 32px 24px; gap: 32px; background: var(--paper); color: var(--ink); }
.zr-signed-out figure { margin: 0; padding: 0; text-align: left; }
.zr-signed-out blockquote { margin: 0; font-style: italic; }
.zr-signed-out figcaption { margin-top: 12px; font-size: 15px; color: var(--ink-2); }
.zr-signed-out > a, .zr-login { display: inline-flex; align-items: center; justify-content: center; background: var(--signal); color: white; border: 1px solid var(--signal); border-radius: var(--radius-pill); padding: 10px 24px; min-height: 44px; text-decoration: none; font-size: 16px; font-weight: 600; margin: 0; }
.zr-signed-out > a:hover { background: var(--signal-deep); }
@media (max-width: 640px) {
  .zr-appbar { gap: 0 8px; padding: 0 12px; flex-wrap: wrap; }
  .zr-appbar .zr-logo { padding: 12px 0; min-height: 56px; }
  .zr-appbar .zr-logo img { width: 120px; height: 25px; }
  .zr-app-links { order: 3; width: 100%; min-height: 48px; padding: 2px 0; }
  .zr-app-links > a { flex: 1; justify-content: center; padding: 6px 12px; }
  .zr-app-context { display: none; }
  .zr-app h2 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) { .zr-app *, .zr-app *::before, .zr-app *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
@media (prefers-reduced-motion: no-preference) {
  .zr-app button { transition: background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
  .zr-app button:active:not(:disabled) { transform: scale(.985); }
}