/* ---------------------------------------------------------------- buttons */
.px-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1.5px solid transparent;
  border-radius: var(--radius-full);
  padding: 14px 26px;
  font-family: var(--px-font-body);
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  background: none;
  color: inherit;
}
.px-btn:hover { transform: translateY(-2px); }
.px-btn[disabled], .px-btn[aria-busy="true"] {
  opacity: .65;
  cursor: not-allowed;
  transform: none;
}
.px-btn--lg { padding: 17px 32px; font-size: 15px; }
.px-btn--sm { padding: 10px 18px; font-size: 13px; }
.px-btn--block { width: 100%; }

.px-btn--accent { background: var(--px-accent); color: var(--px-ink); }
.px-btn--accent:hover { background: var(--px-ink); color: var(--px-ground); }

.px-btn--dark { background: var(--px-ink); color: var(--px-ground); }
.px-btn--dark:hover { background: var(--px-accent); color: var(--px-ink); }

.px-btn--outline { border-color: var(--px-line-control); color: var(--px-ink); }
.px-btn--outline:hover { background: var(--px-ink); color: var(--px-ground); border-color: var(--px-ink); }

.px-ink-panel .px-btn--accent:hover { background: var(--px-ground); color: var(--px-ink); }
.px-ink-panel .px-btn--outline { border-color: var(--px-line-on-dark-strong); color: var(--px-ground); }
.px-ink-panel .px-btn--outline:hover { background: var(--px-ground); color: var(--px-ink); border-color: var(--px-ground); }

.px-btn--text { padding: 0; border: 0; font-weight: 600; font-size: 13px; }
.px-btn--text:hover { color: var(--px-accent-ink); transform: none; }

.px-btn__spinner { animation: pxSpin .8s linear infinite; }
.px-btn:not([aria-busy="true"]) .px-btn__spinner { display: none; }

/* ------------------------------------------------------ segmented control */
.px-segment {
  display: inline-flex;
  gap: var(--space-1);
  padding: 5px;
  background: var(--px-surface);
  border: 1px solid var(--px-line-card);
  border-radius: var(--radius-full);
}
.px-segment__item {
  border: 0;
  border-radius: var(--radius-full);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 13px;
  background: transparent;
  color: rgba(36, 28, 18, .65);
  cursor: pointer;
}
.px-segment__item[aria-selected="true"] { background: var(--px-accent); color: var(--px-ink); }
.px-segment--scroll { max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.px-segment--scroll::-webkit-scrollbar { display: none; }
.px-segment--scroll .px-segment__item { white-space: nowrap; }

/* ------------------------------------------------------------ form fields */
.px-field { display: grid; gap: var(--space-2); }
.px-field__label {
  font-weight: 600;
  font-size: var(--px-text-label);
  letter-spacing: var(--px-tracking-label);
  text-transform: uppercase;
  color: rgba(36, 28, 18, .55);
}
.px-input,
.px-select,
.px-textarea {
  width: 100%;
  border: 1.5px solid var(--px-line-input);
  background: var(--px-surface);
  border-radius: 16px;
  padding: 16px 18px;
  font-family: var(--px-font-body);
  font-weight: 400;
  font-size: 15px;
  color: var(--px-ink);
}
.px-select { cursor: pointer; }
.px-textarea { min-height: 132px; resize: vertical; line-height: 1.6; }

.px-input:focus,
.px-select:focus,
.px-textarea:focus {
  outline: none;
  border-color: var(--px-accent);
  box-shadow: var(--px-focus-ring);
}

/* Only the border signals an error; the focus ring stays amber. */
.px-field--invalid .px-input,
.px-field--invalid .px-select,
.px-field--invalid .px-textarea,
.px-input[aria-invalid="true"] { border-color: var(--px-error); }

.px-field__error {
  font-weight: 500;
  font-size: 12.5px;
  color: var(--px-error);
  animation: pxIn .25s ease;
}
.px-field__hint { font-size: 12.5px; color: rgba(36, 28, 18, .55); }

.px-field--password { position: relative; }
.px-field--password .px-input { padding-right: 78px; }
.px-field__reveal {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--px-line-control);
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
}
.px-field__reveal:hover { background: var(--px-accent-soft); }

.px-field--phone .px-field__controls { display: flex; gap: var(--space-2); }
.px-field--phone .px-select { flex: 0 0 104px; }
.px-field--phone .px-input { flex: 1 1 auto; }

.px-check { display: flex; align-items: center; gap: var(--space-3); cursor: pointer; }
.px-check__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border: 1.5px solid var(--px-line-check);
  border-radius: var(--radius-xs);
  background: var(--px-surface);
}
.px-check input { position: absolute; opacity: 0; pointer-events: none; }
.px-check__box [data-lucide] { opacity: 0; width: 14px; height: 14px; }
.px-check input:checked + .px-check__box {
  background: var(--px-accent);
  border-color: var(--px-accent);
}
.px-check input:checked + .px-check__box [data-lucide] { opacity: 1; }
.px-check input:focus-visible + .px-check__box { box-shadow: var(--px-focus-ring); }
.px-check__label { font-size: 13.5px; }

.px-pick { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.px-pick__item {
  flex: 1 1 0;
  border: 1.5px solid var(--px-line-input);
  border-radius: var(--radius-sm);
  background: var(--px-surface);
  color: var(--px-ink);
  padding: 13px 16px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
}
.px-pick__item[aria-pressed="true"] {
  background: var(--px-ink);
  color: var(--px-ground);
  border-color: var(--px-ink);
}

/* ---------------------------------------------------------------- banners */
.px-banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.5;
}
.px-banner [data-lucide] { flex: 0 0 18px; margin-top: 1px; }
.px-banner--error {
  background: var(--px-error-bg);
  border: 1px solid var(--px-error-border);
  color: var(--px-error-strong);
  animation: pxShake .32s ease both;
}
.px-banner--success {
  background: var(--px-success-bg);
  border: 1px solid var(--px-success-border);
  color: var(--px-success);
  animation: pxPop .3s cubic-bezier(.22, .9, .25, 1);
}
.px-banner--success [data-lucide] { color: var(--px-success-icon); }
.px-banner--warning {
  background: var(--px-warning-bg);
  border: 1px solid var(--px-warning-border);
  color: var(--px-warning-text);
}
.px-banner__list { margin: var(--space-1) 0 0; padding-left: 18px; }

.px-empty {
  background: var(--px-accent-soft);
  border: 1px solid rgba(239, 166, 60, .45);
  border-radius: 22px;
  padding: 26px;
  animation: pxIn .3s ease;
}

/* ------------------------------------------------------------------ cards */
.px-card {
  background: var(--px-surface);
  border: 1px solid var(--px-line-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.px-card--lift:hover { transform: translateY(var(--px-lift-lg)); border-color: var(--px-accent); }
.px-card--flush { padding: var(--space-6); border-radius: var(--radius-md); }
.px-card--panel { border-radius: var(--radius-2xl); padding: clamp(28px, 4vw, 48px); }
.px-ink-panel .px-card { background: rgba(255, 248, 238, .04); border-color: var(--px-line-on-dark); }

.px-card__numeral {
  font-family: var(--px-font-display);
  font-weight: 800;
  font-size: var(--px-text-numeral);
  line-height: 1;
  color: var(--px-accent-mid);
}
.px-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background: var(--px-accent-soft);
  color: var(--px-accent-mid);
}

/* ----------------------------------------------------------------- badges */
.px-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--px-accent-soft);
  color: var(--px-accent-ink);
  border-radius: var(--radius-full);
  padding: 9px 16px;
  font-weight: 600;
  font-size: 12.5px;
  line-height: 1;
}
.px-badge--role {
  background: transparent;
  border: 1px solid rgba(239, 166, 60, .55);
  padding: 5px 9px;
  font-size: 10px;
  letter-spacing: var(--px-tracking-eyebrow);
  text-transform: uppercase;
}
.px-ink-panel .px-badge { background: rgba(239, 166, 60, .14); color: var(--px-accent); }

/* ----------------------------------------------------------------- header */
.px-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--px-ground) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--px-line-hair);
}
.px-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 72px;
}
.px-header__progress {
  height: 2px;
  width: 0;
  background: var(--px-accent);
  transition: width .12s linear;
}
.px-header__brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--px-font-display); font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.px-header__mark {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  transition: width .3s cubic-bezier(.22,.9,.25,1), height .3s cubic-bezier(.22,.9,.25,1);
}
/* Past the fold the bar tightens, exactly as the export does. */
.px-header[data-stuck] .px-header__inner { min-height: 60px; }
.px-header[data-stuck] .px-header__mark { width: 32px; height: 32px; }
.px-header__link[data-px-nav-section][aria-current="true"] { background: var(--px-accent-soft); color: var(--px-accent-ink); font-weight: 600; }
.px-header__nav { display: flex; align-items: center; gap: var(--space-2); }
.px-header__link { padding: 9px 15px; border-radius: var(--radius-full); font-weight: 500; font-size: 14px; }
.px-header__link:hover { background: var(--px-accent-soft); color: var(--px-accent-ink); }
.px-header__link[aria-current="page"] { background: var(--px-accent-soft); color: var(--px-accent-ink); font-weight: 600; }
.px-header__actions { display: flex; align-items: center; gap: var(--space-3); }
.px-header__burger {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border: 1.5px solid var(--px-line-control);
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
}
.px-header__sheet {
  display: none;
  border-top: 1px solid var(--px-line-hair);
  padding: var(--space-4) 0 var(--space-6);
  animation: pxSheet .22s ease;
}
.px-header__sheet[data-open] { display: block; }
.px-header__sheet .px-header__link { display: block; padding: 13px 16px; }

@media (max-width: 1024px) {
  .px-header__nav, .px-header__actions--desktop { display: none; }
  .px-header__burger { display: inline-flex; }
}

/* ----------------------------------------------------------------- footer */
.px-footer { background: var(--px-ground); color: rgba(36, 28, 18, .72); padding-bottom: var(--space-7); }
.px-footer__city {
  width: 100%;
  height: clamp(110px, 12vw, 170px);
  object-fit: cover;
  object-position: bottom center;
  filter: grayscale(.85) sepia(.25) opacity(.4);
}
.px-footer__grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border-top: 1.5px solid var(--px-line-card);
  padding-top: clamp(32px, 4vw, 44px);
  font-size: 14px;
}
.px-footer__brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--px-font-display); font-weight: 800; font-size: 18px; color: var(--px-ink); margin-bottom: var(--space-4); }
.px-footer__mark { width: 34px; height: 34px; border-radius: var(--radius-full); }
.px-footer__legal { margin: 0 0 var(--space-5); line-height: 1.8; }
.px-footer__stores { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }
.px-footer__store { display: inline-flex; align-items: center; height: 40px; transition: opacity .18s ease; }
.px-footer__store:hover { opacity: .78; }
.px-footer__store img { display: block; width: auto; height: 40px; }
/* Google's badge ships with its own padding, so it is cropped to match Apple's. */
.px-footer__store--play { overflow: hidden; margin: -9px; }
.px-footer__store--play img { height: 58px; }
.px-footer__title {
  font-family: var(--px-font-body);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: var(--px-tracking-eyebrow);
  text-transform: uppercase;
  color: rgba(36, 28, 18, .5);
  margin-bottom: var(--space-4);
}
.px-footer__links { display: grid; gap: 9px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.px-footer__links a:hover { color: var(--px-accent-ink); }
.px-footer__base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  border-top: 1px solid var(--px-line-hair);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  font-size: 12.5px;
  color: rgba(36, 28, 18, .55);
}
.px-footer__baselinks { display: inline-flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.px-footer__socialbtn {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--px-line-control);
  color: var(--px-ink);
  transition: transform .25s cubic-bezier(.22,.9,.25,1), background .25s, color .25s, border-color .25s;
}
.px-footer__socialbtn:hover { background: var(--px-ink); color: var(--px-ground); border-color: var(--px-ink); transform: translateY(-3px); }
.px-footer--minimal { background: transparent; border-top: 1px solid var(--px-line-hair); }
.px-footer--minimal .px-footer__base { border: 0; margin-top: 0; }

@media (max-width: 560px) {
  .px-footer__grid { grid-template-columns: minmax(0, 1fr); }
}

/* -------------------------------------------------------------- auth page */
.px-auth { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 100vh; }
.px-auth__art {
  background: var(--px-ink);
  color: var(--px-ground);
  padding: var(--px-column-pad);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.px-auth__form {
  padding: var(--px-column-pad);
  display: flex;
  align-items: center;
  justify-content: center;
}
.px-auth__panel { width: 100%; max-width: var(--px-shell-form); display: grid; gap: var(--space-6); }
@media (max-width: 900px) {
  .px-auth { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .px-auth__art { display: none; }
}

/* ------------------------------------------------------------- animations */
@keyframes pxUp    { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes pxIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes pxSheet { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
@keyframes pxPop   { from { opacity: 0; transform: scale(.7) translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pxSpin  { to { transform: rotate(360deg); } }
@keyframes pxShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@keyframes pxMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.px-reveal { animation: pxUp .5s ease both; }

/* ------------------------------------------------------- drive page extras */
.px-drive-docs { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: grid; gap: 8px; font-size: 14px; }
.px-drive-docs li { display: flex; align-items: center; gap: 9px; }
.px-drive-docs i { color: var(--px-accent-mid); width: 16px; height: 16px; }
.px-drive-classes { margin-top: var(--space-4); }

/* A dark panel contained by the page rather than bleeding to the edges. */
.px-ink-panel--inset { border-radius: var(--radius-3xl); padding: clamp(32px, 4.5vw, 58px); }