/*
 * Purpose: Auth flow pages — clay homepage parity (Sign in · Thank you · Returning visitor)
 * Last modified: 2026-07-25 | Author: Auto (Composer) | Completeness: 100
 * Field: charcoal body only — no indigo style plates or violet backdrop washes
 */

@import url("/clay-theme.css");

:root {
  --auth-radius: 14px;
  --auth-card-max: 440px;
  --auth-wide-max: 520px;
}

/* Charcoal field only — design guidelines forbid indigo backdrop plates */
body.auth-page.clay-page {
  background: var(--charcoal-1);
  color: var(--ink);
}

body.auth-page.clay-page::before {
  opacity: 0.05;
}

body.auth-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.auth-page main {
  flex: 1;
  position: relative;
  z-index: 2;
}

.auth-shell {
  min-height: calc(100dvh - 120px);
  display: flex;
  align-items: center;
  padding: 32px 0 56px;
}

.auth-layout {
  display: grid;
  gap: 28px;
  align-items: start;
  width: 100%;
  position: relative;
}

.auth-layout--has-runway {
  /* Mascot runs on fixed viewport strip — no layout padding */
}

.auth-mascot-runway {
  pointer-events: none;
  z-index: 40;
  overflow: hidden;
}

.auth-mascot-runway--viewport {
  position: fixed;
  left: 0;
  right: 0;
  bottom: max(0px, env(safe-area-inset-bottom, 0px));
  height: 132px;
}

/* Outer: stepped horizontal travel — position tracks foot pin, not box center */
.auth-mascot-travel {
  position: absolute;
  bottom: 0;
  left: 0;
  transform: translate3d(var(--mascot-from-x, -112px), 0, 0);
  transform-origin: var(--mascot-foot-x, 50%) 100%;
  will-change: transform, opacity;
  transition: opacity 0.35s ease;
}

.auth-mascot-travel.is-traveling {
  animation: auth-mascot-travel-x var(--mascot-run-ms, 1850ms)
    steps(var(--mascot-travel-steps, 16), jump-none) forwards;
}

@keyframes auth-mascot-travel-x {
  from {
    transform: translate3d(var(--mascot-from-x, -112px), 0, 0);
  }
  to {
    transform: translate3d(var(--mascot-to-x, 280px), 0, 0);
  }
}

/* Middle: stepped vertical bob — pivot at feet */
.auth-mascot-bob {
  transform-origin: var(--mascot-foot-x, 50%) 100%;
}

.auth-mascot-bob.is-walking {
  animation: auth-mascot-bob var(--mascot-walk-ms, 472ms) steps(2, jump-none) infinite;
}

@keyframes auth-mascot-bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

.auth-mascot-travel.is-flipped .auth-mascot-bob.is-walking {
  animation: auth-mascot-bob-flipped var(--mascot-walk-ms, 472ms) steps(2, jump-none) infinite;
}

@keyframes auth-mascot-bob-flipped {
  0%,
  100% {
    transform: scaleX(-1) translateY(0);
  }
  50% {
    transform: scaleX(-1) translateY(-9px);
  }
}

/* Inner viewport: walk strip or single pose */
.auth-mascot-runner {
  position: relative;
  width: var(--mascot-frame-w, 96px);
  height: var(--mascot-frame-h, 128px);
  overflow: visible;
  transform-origin: var(--mascot-foot-x, 50%) 100%;
}

.auth-mascot-travel.is-pointing .auth-mascot-runner {
  transform: scale(1.1);
  transform-origin: var(--mascot-foot-x, 50%) 100%;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Walk frames stacked — feet pinned, swap in place (no strip slide) */
.auth-mascot-walk-stack {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.auth-mascot-walk-stack img {
  position: absolute;
  left: var(--mascot-foot-x, 50%);
  bottom: 0;
  width: var(--mascot-frame-w, 96px);
  height: var(--mascot-frame-h, 128px);
  transform: translateX(-50%);
  transform-origin: 50% 100%;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  visibility: hidden;
}

.auth-mascot-walk-stack img.is-visible {
  opacity: 1;
  visibility: visible;
}

.auth-mascot-runner.is-pose-mode .auth-mascot-walk-stack {
  visibility: hidden;
}

.auth-mascot-pose {
  position: absolute;
  left: var(--mascot-foot-x, 50%);
  bottom: 0;
  width: var(--mascot-frame-w, 96px);
  height: var(--mascot-frame-h, 128px);
  transform: translateX(-50%);
  transform-origin: 50% 100%;
  object-fit: contain;
  object-position: center bottom;
}

.auth-mascot-pose[hidden] {
  display: none;
}

.auth-mascot-runner.is-pose-mode .auth-mascot-pose {
  display: block;
}

/* Form attract — brand purple rim while mascot points (no teal mascot glow) */
.auth-layout.is-mascot-pointing .auth-card {
  transition: box-shadow 0.35s ease, border-color 0.35s ease;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--brand, #7040dd) 42%, transparent),
    0 12px 40px rgba(0, 0, 0, 0.28);
}

.auth-mascot-target-pulse {
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--brand, #7040dd) 70%, transparent);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.25s ease, transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 3;
}

.auth-layout.is-mascot-pointing .auth-mascot-target-pulse {
  opacity: 1;
  transform: scale(1);
  animation: auth-mascot-target-ring 1.8s ease-in-out infinite;
}

@keyframes auth-mascot-target-ring {
  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--brand, #7040dd) 35%, transparent);
  }
  50% {
    box-shadow: 0 0 0 10px color-mix(in srgb, var(--brand, #7040dd) 0%, transparent);
  }
}

.auth-mascot-runner__layer {
  /* legacy — removed from auth pages; kept for inline mascot drafts */
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 128px;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  visibility: hidden;
}

@media (min-width: 720px) {
  .auth-mascot-runway--viewport {
    height: 136px;
  }
}

@media (max-width: 899px) {
  .auth-mascot-runway--viewport {
    height: 120px;
  }

  .auth-mascot-runner,
  .auth-mascot-pose,
  .auth-mascot-walk-stack img {
    width: 80px;
    height: 108px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-mascot-travel.is-traveling,
  .auth-mascot-bob.is-walking {
    animation: none !important;
  }

  .auth-layout.is-mascot-pointing .auth-mascot-target-pulse {
    animation: none;
  }
}

@media (min-width: 900px) {
  .auth-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, var(--auth-card-max));
    gap: 48px;
    align-items: center;
  }

  .auth-layout--wide {
    grid-template-columns: 1fr;
    max-width: var(--auth-wide-max);
    margin: 0 auto;
  }

  .auth-layout--split .auth-aside {
    padding-right: 12px;
  }
}

.auth-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-aside .mono {
  margin-bottom: 2px;
}

.auth-aside h1 {
  font-size: clamp(2rem, 4.8vw, 3rem);
  color: var(--ink);
}

.auth-aside h1 span,
.auth-accent {
  color: var(--purple-soft);
}

.auth-aside .lead {
  margin: 0;
  max-width: 34rem;
}

.auth-perks {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.auth-perks li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-dim);
  font-size: 0.98rem;
  line-height: 1.5;
}

.auth-perks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--purple-hi), var(--purple));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--purple) 22%, transparent);
}

.auth-card {
  width: 100%;
  max-width: var(--auth-card-max);
  margin: 0 auto;
  padding: 24px 20px 28px;
}

.auth-card--wide {
  max-width: var(--auth-wide-max);
}

@media (min-width: 640px) {
  .auth-card {
    padding: 28px 26px 32px;
  }
}

.auth-card h1,
.auth-card h2 {
  margin: 0 0 8px;
  font-size: clamp(1.55rem, 3.8vw, 1.85rem);
}

.auth-lead {
  margin: 0 0 22px;
  color: var(--ink-dim);
  font-size: 1rem;
  line-height: 1.55;
}

.auth-brand {
  margin-bottom: 18px;
}

.auth-brand-logo {
  display: block;
  height: 24px;
  width: auto;
  max-width: min(200px, 68vw);
  object-fit: contain;
  object-position: left center;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

@media (min-width: 480px) {
  .auth-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.auth-tab {
  appearance: none;
  border: 1px solid var(--clay-line);
  background: var(--charcoal-1);
  color: var(--ink-faint);
  border-radius: var(--auth-radius);
  padding: 10px 8px;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.auth-tab.active {
  background: var(--charcoal-3);
  border-color: color-mix(in srgb, #fff 18%, var(--clay-line));
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.auth-field span,
.auth-fieldset legend {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.auth-field input,
.auth-field select,
.auth-returning-form .auth-field select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: var(--auth-radius);
  border: 1px solid var(--clay-line);
  background: var(--charcoal-1);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

.auth-field input:focus,
.auth-field select:focus {
  outline: 2px solid color-mix(in srgb, var(--purple-hi) 55%, transparent);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--purple-hi) 45%, var(--clay-line));
}

.auth-field input::placeholder {
  color: var(--ink-faint);
}

.auth-field em {
  font-size: 0.75rem;
  color: var(--ink-faint);
  font-style: normal;
  text-transform: none;
  letter-spacing: 0;
}

.auth-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.auth-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--auth-radius);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s, color 0.18s;
}

.auth-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

.auth-btn-primary {
  background: linear-gradient(160deg, var(--purple-hi), var(--purple));
  color: #fff;
  border: 1.5px solid transparent;
  box-shadow: 0 6px 22px rgba(108, 59, 217, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.auth-btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108, 59, 217, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.auth-btn-secondary {
  background: #000;
  color: #fff;
  border: 1.5px solid #000;
}

.auth-btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--green) 45%, transparent);
}

.auth-btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid color-mix(in srgb, #fff 22%, transparent);
}

.auth-btn-ghost:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, #fff 36%, transparent);
  background: color-mix(in srgb, #fff 4%, transparent);
}

.auth-panel {
  display: none;
}

.auth-panel.active {
  display: block;
}

.auth-status {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  border: 1px solid transparent;
}

.auth-status.error {
  background: color-mix(in srgb, var(--red) 14%, var(--charcoal-2));
  border-color: color-mix(in srgb, var(--red) 35%, transparent);
  color: #ffb4b4;
}

.auth-status.success {
  background: color-mix(in srgb, var(--green) 14%, var(--charcoal-2));
  border-color: color-mix(in srgb, var(--green) 35%, transparent);
  color: #a8e6c4;
}

.auth-status.info {
  background: var(--charcoal-1);
  border-color: var(--clay-line);
  color: var(--ink-dim);
}

.auth-dev-code {
  margin: 12px 0 0;
  padding: 12px;
  border-radius: var(--auth-radius);
  background: var(--charcoal-1);
  border: 1px solid var(--clay-line);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: 0.2em;
  text-align: center;
  color: var(--purple-soft);
}

.field-hint {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-dim);
}

.field-hint code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--purple-soft);
}

.auth-step-hidden {
  display: none !important;
}

.auth-foot {
  margin-top: 18px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.auth-foot a {
  color: var(--purple-soft);
  text-decoration: none;
}

.auth-foot a:hover {
  text-decoration: underline;
}

/* Thank you + returning visitor */
.auth-badge {
  display: inline-block;
  margin: 0 0 14px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--purple-soft);
  background: none;
  border: none;
}

.auth-badge--teal {
  color: color-mix(in srgb, var(--teal) 80%, #fff);
  background: none;
  border: none;
}

.auth-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 0 16px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  background: color-mix(in srgb, var(--green) 14%, var(--charcoal-2));
  border: 1px solid color-mix(in srgb, var(--green) 35%, transparent);
}

.auth-returning-headline {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 5vw, 2.35rem);
  text-align: left;
}

.auth-returning-lead,
.auth-returning-ask {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-dim);
}

.auth-returning-ask strong {
  color: var(--ink);
}

.auth-returning-benefits {
  margin: 1.1rem 0 1.35rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-clay);
  background: var(--charcoal-1);
  border: 1px solid var(--clay-line);
}

.auth-returning-benefits-label {
  margin: 0 0 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

.auth-returning-benefits-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink-dim);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.auth-returning-benefits-list li + li {
  margin-top: 0.45rem;
}

.auth-returning-form-title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.auth-returning-form-lead {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--ink-dim);
}

.auth-fieldset {
  margin: 0 0 1rem;
  padding: 0;
  border: none;
}

.auth-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
  font-size: 0.875rem;
  color: var(--ink-dim);
  cursor: pointer;
}

.auth-check input {
  margin-top: 0.15rem;
  accent-color: var(--purple-hi);
}

.auth-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.auth-returning-success {
  text-align: center;
  margin: 0.5rem 0 1rem;
}

.auth-returning-success h2 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.auth-thanks-tagline {
  margin: 1.25rem 0 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--teal) 75%, #fff);
}

.auth-thanks-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

@media (min-width: 480px) {
  .auth-thanks-actions--row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .auth-thanks-actions--row .auth-btn {
    flex: 1 1 auto;
  }
}

.auth-nav-here {
  color: color-mix(in srgb, var(--teal) 70%, var(--ink)) !important;
  opacity: 1 !important;
}

/* Punktilio mascot — eye-locked poses from /assets/mascot/poses/ */
.auth-mascot {
  margin-top: 8px;
  width: min(100%, 240px);
  pointer-events: none;
  user-select: none;
}

.auth-mascot--inline {
  width: min(100%, 200px);
  margin: 0 0 12px;
}

.auth-mascot__stage {
  position: relative;
  width: 100%;
  aspect-ratio: 280 / 380;
  transform-origin: 50% 29.5%;
}

.auth-mascot__stage.is-settled {
  animation: auth-mascot-idle 3.6s ease-in-out infinite;
}

@keyframes auth-mascot-idle {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

.auth-mascot__layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.auth-mascot__layer.is-visible {
  opacity: 1;
}

@media (min-width: 900px) {
  .auth-layout--split .auth-mascot {
    width: min(100%, 260px);
    margin-top: 18px;
  }
}

@media (max-width: 899px) {
  .auth-mascot {
    margin-inline: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-mascot__stage.is-settled {
    animation: none;
  }

  .auth-mascot__layer {
    transition: none;
  }
}