/*
 * Component styles, grouped by component (BEM-ish: .block__element--modifier).
 * Every value comes from tokens.css. Browse them all at /styleguide/.
 */

/* ---------------------------------------------------------------- Layout */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.stage {
  flex: 1;
  width: 100%;
  max-width: calc(var(--wide-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: var(--space-6) var(--gutter) var(--space-8);
}

.stage__view {
  width: 100%;
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(var(--space-5), 4vw, var(--space-6));
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.fineprint {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.pre-enter {
  opacity: 0;
}

/* ---------------------------------------------------------------- Logo */

.logo {
  height: auto;
  overflow: visible;
}

.logo__pipe {
  fill: var(--color-primary);
}

.logo__letter {
  fill: var(--color-ink);
}

.logo--animated:not(.logo--ready) {
  visibility: hidden;
}

.logo--animated:not(.logo--done) .logo__letter,
.logo--animated:not(.logo--done) .logo__pipe--left {
  opacity: 0;
}

/* ---------------------------------------------------------------- Top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-rule) 60%, transparent);
}

.topbar--hidden {
  visibility: hidden;
  height: 0;
  border: 0;
}

.topbar__inner {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: var(--space-3);
  max-width: calc(var(--content-width) + var(--gutter) * 2);
  margin: 0 auto;
  padding: var(--space-3) var(--gutter);
}

.topbar__logo {
  grid-column: 2;
  justify-self: center;
  width: 92px;
  transform-origin: center;
}

.topbar__back {
  grid-column: 1;
  grid-row: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}

.topbar__back:hover {
  background: var(--color-bg-alt);
}

.topbar__back[hidden] {
  display: grid;
  visibility: hidden;
}

.progress {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.progress[hidden] {
  display: none;
}

.progress__track {
  flex: 1;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-alt);
  overflow: hidden;
}

.progress__fill {
  display: block;
  height: 100%;
  background: var(--color-primary);
  border-radius: inherit;
  transform-origin: left center;
  transition: transform var(--dur-slow) var(--ease-out);
}

.progress__label {
  flex-shrink: 0;
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- Footer */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-5);
  padding: var(--space-5) var(--gutter) var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-muted-2);
}

.footer a {
  color: inherit;
  text-decoration: none;
}

.footer a:hover {
  color: var(--color-ink);
}

/* ---------------------------------------------------------------- Hero (welcome step) */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(var(--space-5), 4vw, var(--space-6));
  padding-top: clamp(var(--space-4), 6vh, var(--space-8));
  text-align: center;
}

.hero__logo-wrap {
  width: min(360px, 72vw);
}

.hero__logo {
  width: 100%;
}

.hero__title {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.offers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  width: 100%;
  max-width: var(--wide-width);
}

.hero__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--content-width);
  text-align: left;
}

.hero__form-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
}

.hero__form .fineprint {
  text-align: center;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

/* ---------------------------------------------------------------- Offer card */

.offer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  background: var(--color-primary-wash);
  text-align: left;
}

.offer--highlighted {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(249 190 47 / 0.18);
}

.offer__icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.offer__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--leading-tight);
}

.offer__body {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* ---------------------------------------------------------------- Button */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.btn:active:not(:disabled) {
  transform: scale(0.98);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn--lg {
  min-height: 56px;
  padding: 0 var(--space-6);
  font-size: var(--text-lg);
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-ink);
  box-shadow: 0 1px 0 rgb(26 26 26 / 0.06);
}

.btn--primary:hover:not(:disabled) {
  background: #f7b515;
  box-shadow: 0 6px 18px rgb(249 190 47 / 0.35);
}

.btn--secondary {
  background: var(--color-card);
  border-color: var(--color-rule);
  color: var(--color-ink);
}

.btn--secondary:hover:not(:disabled) {
  border-color: var(--color-sand);
  background: var(--color-bg-soft);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
}

.btn--ghost:hover {
  background: var(--color-bg-alt);
}

.btn__icon {
  transition: transform var(--dur-base) var(--ease-out);
}

.btn:hover:not(:disabled) .btn__icon {
  transform: translateX(3px);
}

/* Busy: keep the width, swap label for a pulsing dot trio. */
.btn--busy .btn__label,
.btn--busy .btn__icon {
  opacity: 0;
}

.btn--busy::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow:
    -12px 0 currentColor,
    12px 0 currentColor;
  animation: btn-busy 900ms var(--ease-in-out) infinite alternate;
}

@keyframes btn-busy {
  from {
    opacity: 0.35;
  }
  to {
    opacity: 1;
  }
}

/* ---------------------------------------------------------------- Field */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: var(--text-sm);
  font-weight: 600;
}

.field__optional {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-muted-2);
}

.field__control {
  width: 100%;
  min-height: 50px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-card);
  font-size: var(--text-md); /* >= 16px so iOS doesn't zoom on focus */
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.field__control::placeholder {
  color: var(--color-muted-2);
}

.field__control:hover {
  border-color: var(--color-sand);
}

.field__control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.field__control--multiline {
  resize: vertical;
  min-height: 160px;
  line-height: var(--leading-body);
}

.field__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.field__meta:empty {
  display: none;
}

.field__hint,
.field__counter {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.field__counter {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.field__error {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-error);
}

.field__error:empty {
  display: none;
}

.field--invalid .field__control {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px rgb(194 65 45 / 0.12);
}

/* ---------------------------------------------------------------- Choice cards */

.choices {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.choices__grid {
  display: grid;
  gap: var(--space-3);
}

.choices__grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choices__grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choices .field__error {
  margin-top: var(--space-3);
}

.choice {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  padding-right: calc(var(--space-5) + 24px);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-card);
  cursor: pointer;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.choice:hover {
  border-color: var(--color-sand);
  box-shadow: var(--shadow-card);
}

.choice:active {
  transform: scale(0.99);
}

.choice__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-ink-2);
  transition:
    background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}

.choice__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 2px;
}

.choice__title {
  font-weight: 600;
}

.choice__body {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.choice__check {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--color-rule);
  border-radius: 50%;
  color: transparent;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.choice:has(.choice__input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-wash);
  box-shadow: 0 0 0 3px rgb(249 190 47 / 0.2);
}

.choice:has(.choice__input:checked) .choice__icon {
  background: var(--color-primary);
  color: var(--color-ink);
}

.choice:has(.choice__input:checked) .choice__check {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-card);
}

.choice:has(.choice__input:focus-visible) {
  box-shadow: var(--shadow-focus);
}

.choices--invalid .choice {
  border-color: rgb(194 65 45 / 0.45);
}

/* ---------------------------------------------------------------- Badge */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
}

.badge--primary {
  background: var(--color-primary-soft);
  color: var(--color-ink);
}

.badge--success {
  background: var(--color-success-wash);
  color: var(--color-success);
}

.badge--neutral {
  background: var(--color-bg-alt);
  color: var(--color-ink-2);
}

.badge-slot {
  min-height: 40px;
}

/* ---------------------------------------------------------------- Step */

.step {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
}

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

.step__body {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-4);
}

.step__body > .badge {
  align-self: flex-start;
}

.step__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.step__actions--split {
  align-items: center;
  justify-content: space-between;
}

.step-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.step-header__title {
  font-size: var(--text-2xl);
}

.step-header__title:focus {
  outline: none;
  box-shadow: none;
}

.step-header__subtitle {
  font-size: var(--text-md);
  color: var(--color-muted);
}

.reveal[hidden] {
  display: none;
}

/* ---------------------------------------------------------------- Calendar */

.schedule__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
}

.schedule__hint {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.schedule__hint strong {
  color: var(--color-ink);
  font-weight: 600;
  word-break: break-all;
}

.calendar {
  position: relative;
  padding: 0;
  overflow: hidden;
  min-height: 640px;
}

.calendar__frame {
  display: block;
  width: 100%;
  height: 720px;
  border: 0;
  opacity: 0;
}

.calendar__loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.calendar--fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 320px;
  padding: var(--space-6);
  text-align: center;
  background: var(--color-bg-soft);
  border-style: dashed;
  box-shadow: none;
}

.calendar__fallback-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-soft);
}

.calendar__fallback-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
}

.calendar__fallback-body {
  color: var(--color-muted);
}

/* ---------------------------------------------------------------- Thanks */

.thanks {
  align-items: center;
  gap: var(--space-5);
  text-align: center;
}

.thanks > .offer,
.thanks > .next-steps {
  width: 100%;
  text-align: left;
}

.thanks__title {
  font-size: var(--text-3xl);
}

.thanks__title:focus {
  outline: none;
  box-shadow: none;
}

.thanks__lede {
  max-width: 44ch;
  color: var(--color-muted);
  font-size: var(--text-lg);
}

.success-wrap {
  padding-top: var(--space-4);
}

.success {
  width: 72px;
  height: 72px;
}

.success__ring,
.success__tick {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.success__ring {
  stroke: var(--color-primary);
  stroke-width: 3;
}

.success__tick {
  stroke: var(--color-ink);
  stroke-width: 3.5;
}

.success--draw .success__ring {
  animation: draw 600ms var(--ease-in-out) forwards;
}

.success--draw .success__tick {
  animation: draw 420ms var(--ease-out) 380ms forwards;
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.next-steps__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.next-steps__item {
  position: relative;
  padding-left: 44px;
  counter-increment: step;
}

.next-steps__item::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  font-size: var(--text-xs);
  font-weight: 700;
}

.next-steps__title {
  font-weight: 600;
}

.next-steps__body {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* ---------------------------------------------------------------- Loader (PaperOS mark) */
/* Ported from app/src/components/SavviLoading — see that file for the geometry notes. */

.loader {
  --loader-dur: 4.5s;
  --loader-ink: var(--color-ink);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  aspect-ratio: 1 / 1;
}

.loader--sm {
  width: 24px;
  --loader-dur: 2.4s;
}

.loader--md {
  width: 72px;
}

.loader--lg {
  width: 160px;
}

.loader__rotor {
  position: relative;
  width: 70.7%;
  height: 70.7%;
  animation: loader-rotate var(--loader-dur) linear infinite both;
}

.loader__body,
.loader__crease,
.loader__flap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.loader path {
  fill: none;
  stroke: var(--loader-ink);
  stroke-width: 10;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.loader__crease {
  animation: loader-crease var(--loader-dur) linear infinite both;
}

.loader__crease path {
  stroke-linecap: butt;
}

.loader__flap {
  transform-origin: 72.5% 27.5%;
  animation: loader-fold var(--loader-dur) linear infinite both;
}

.loader__scribble {
  position: absolute;
  left: 20%;
  height: 7%;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left center;
}

.loader__scribble--1 {
  top: 29%;
  width: 55%;
  animation: loader-scribble-1 var(--loader-dur) linear infinite both;
}

.loader__scribble--2 {
  top: 48%;
  width: 58%;
  animation: loader-scribble-2 var(--loader-dur) linear infinite both;
}

.loader__scribble--3 {
  top: 67%;
  width: 38%;
  animation: loader-scribble-3 var(--loader-dur) linear infinite both;
}

.loader--sm .loader__scribble {
  display: none;
}

@keyframes loader-rotate {
  0%,
  6% {
    transform: rotate(-45deg);
    animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  }
  18%,
  72% {
    transform: rotate(0deg);
    animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1);
  }
  86%,
  100% {
    transform: rotate(-45deg);
  }
}

@keyframes loader-fold {
  0%,
  6% {
    transform: rotate3d(1, 1, 0, 180deg);
    animation-timing-function: cubic-bezier(0.5, 0, 0.3, 1);
  }
  18%,
  72% {
    transform: rotate3d(1, 1, 0, 0deg);
    animation-timing-function: cubic-bezier(0.7, 0, 0.5, 1);
  }
  86%,
  100% {
    transform: rotate3d(1, 1, 0, 180deg);
  }
}

@keyframes loader-crease {
  0%,
  7% {
    opacity: 1;
  }
  14%,
  78% {
    opacity: 0;
  }
  86%,
  100% {
    opacity: 1;
  }
}

@keyframes loader-scribble-1 {
  0%,
  18% {
    transform: scaleX(0);
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  }
  25%,
  62% {
    transform: scaleX(1);
    animation-timing-function: cubic-bezier(0.6, 0, 0.4, 1);
  }
  68%,
  100% {
    transform: scaleX(0);
  }
}

@keyframes loader-scribble-2 {
  0%,
  25% {
    transform: scaleX(0);
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  }
  32%,
  64% {
    transform: scaleX(1);
    animation-timing-function: cubic-bezier(0.6, 0, 0.4, 1);
  }
  70%,
  100% {
    transform: scaleX(0);
  }
}

@keyframes loader-scribble-3 {
  0%,
  32% {
    transform: scaleX(0);
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  }
  39%,
  66% {
    transform: scaleX(1);
    animation-timing-function: cubic-bezier(0.6, 0, 0.4, 1);
  }
  72%,
  100% {
    transform: scaleX(0);
  }
}

/* ---------------------------------------------------------------- Responsive */

@media (max-width: 720px) {
  .offers,
  .field-row,
  .choices__grid--2,
  .choices__grid--3 {
    grid-template-columns: 1fr;
  }

  .stage {
    padding-top: var(--space-4);
  }

  .hero {
    gap: var(--space-4);
    padding-top: var(--space-2);
  }

  .hero__logo-wrap {
    width: min(230px, 60vw);
  }

  .offers {
    gap: var(--space-3);
  }

  .offer {
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .offer__icon svg {
    width: 24px;
    height: 24px;
  }

  .offer__title {
    font-size: var(--text-lg);
  }

  .offer__body {
    margin-top: 0;
  }

  .btn--lg {
    padding: 0 var(--space-4);
    font-size: var(--text-md);
  }

  .step {
    gap: var(--space-5);
  }

  .step__actions .btn {
    width: 100%;
  }

  .step__actions--split {
    flex-direction: column-reverse;
    align-items: stretch;
    text-align: center;
  }

  .calendar__frame {
    height: 900px;
  }
}

/* ---------------------------------------------------------------- Reduced motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
  }

  .loader__rotor {
    animation: loader-pulse 1.6s linear infinite both;
  }

  .loader__flap,
  .loader__crease,
  .loader__scribble {
    animation: none;
  }

  .loader__flap {
    transform: rotate3d(1, 1, 0, 180deg);
  }

  .success__ring,
  .success__tick {
    stroke-dashoffset: 0;
  }
}

@keyframes loader-pulse {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
}