:root {
  --ink: #111113;
  --ink-soft: #4f5058;
  --muted: #777982;
  --line: #dddddf;
  --line-strong: #c5c5ca;
  --surface: #ffffff;
  --canvas: #f4f4f2;
  --canvas-deep: #e9e9e6;
  --accent: oklch(52.95% 0.2435 264.28);
  --accent-hover: oklch(47% 0.2435 264.28);
  --accent-soft: oklch(95% 0.025 264.28);
  --error: #b42318;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 24px 70px rgba(17, 17, 19, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  color-scheme: light;
  background: var(--canvas);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--canvas);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-underline-offset: 3px;
}

button {
  border: 0;
}

.auth-layout {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(400px, 0.9fr) minmax(520px, 1.1fr);
}

.story-panel {
  position: sticky;
  top: 0;
  display: flex;
  min-height: 100vh;
  max-height: 100vh;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(28px, 4vw, 58px);
  color: #f7f7f8;
  background: #111113;
}

.story-panel::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.036) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.036) 1px, transparent 1px);
  background-size: 46px 46px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 86%);
  pointer-events: none;
}

.story-panel::after {
  position: absolute;
  right: -190px;
  bottom: -270px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 24%, transparent), transparent 68%);
  content: "";
  pointer-events: none;
}

.brand,
.mobile-brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  text-decoration: none;
}

.brand {
  position: relative;
  z-index: 2;
  padding: 0;
}

.brand img,
.mobile-brand img {
  display: block;
  width: 128px;
  height: auto;
}

.brand img {
  width: 132px;
  filter: invert(1);
}

.story-copy {
  position: relative;
  z-index: 1;
  margin: auto 0;
  max-width: 580px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: #c7c7cc;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px color-mix(in oklch, var(--accent) 18%, transparent);
  content: "";
}

.story-title {
  max-width: 640px;
  margin: 0;
  font-size: clamp(3rem, 4vw, 4rem);
  font-weight: 560;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.story-title .accent-word {
  color: color-mix(in oklch, var(--accent) 82%, white);
}

.story-description {
  max-width: 500px;
  margin: 22px 0 0;
  color: #aaaab1;
  font-size: clamp(0.9rem, 1.15vw, 1rem);
  line-height: 1.7;
}

.story-signal {
  position: relative;
  height: 58px;
  margin-top: 38px;
  overflow: hidden;
}

.story-signal::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #414147 12%, #414147 88%, transparent);
  content: "";
}

.flow-node {
  position: absolute;
  top: 50%;
  width: 9px;
  height: 9px;
  border: 2px solid #111113;
  border-radius: 50%;
  background: #77777f;
  box-shadow: 0 0 0 1px #424248;
  transform: translateY(-50%);
}

.node-one {
  left: 12%;
}

.node-two {
  left: 49%;
  width: 13px;
  height: 13px;
  background: var(--accent);
  box-shadow: 0 0 0 8px color-mix(in oklch, var(--accent) 12%, transparent), 0 0 24px color-mix(in oklch, var(--accent) 60%, transparent);
}

.node-three {
  right: 12%;
}

.flow-pulse {
  position: absolute;
  top: 50%;
  left: 12%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 12px var(--accent);
  transform: translateY(-50%);
  animation: signal-travel 5s ease-in-out infinite;
}

.story-principles {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #77777f;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.story-principles span {
  position: relative;
}

.story-principles span + span::before {
  position: absolute;
  top: 50%;
  left: clamp(-78px, -5vw, -34px);
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #55555c;
  content: "";
}

@keyframes signal-travel {
  0%,
  100% {
    left: 12%;
    opacity: 0;
  }
  10%,
  90% {
    opacity: 1;
  }
  50% {
    left: 87%;
  }
}

.form-panel {
  position: relative;
  display: flex;
  min-width: 0;
  justify-content: center;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(30px, 5vw, 76px);
  background: var(--surface);
}

.form-panel.login-panel {
  align-items: center;
}

.form-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 700px;
}

@media (min-width: 821px) {
  .form-panel::before {
    position: absolute;
    z-index: 0;
    top: 8%;
    right: -205px;
    width: 390px;
    height: 390px;
    border: 1px solid #ececef;
    border-radius: 50%;
    background:
      radial-gradient(circle at center, var(--accent) 0 4px, color-mix(in oklch, var(--accent) 14%, transparent) 5px 13px, transparent 14px),
      conic-gradient(from 24deg, transparent 0 15%, #ebebee 15.3% 15.7%, transparent 16% 48%, #ebebee 48.3% 48.7%, transparent 49% 82%, #ebebee 82.3% 82.7%, transparent 83%);
    box-shadow:
      0 0 0 54px rgba(17, 17, 19, 0.018),
      0 0 0 55px #eeeeef,
      0 0 0 108px rgba(17, 17, 19, 0.012),
      0 0 0 109px #f1f1f2;
    content: "";
    opacity: 0.8;
    pointer-events: none;
  }

  .form-panel::after {
    position: absolute;
    z-index: 0;
    right: 4%;
    bottom: 3%;
    width: 150px;
    height: 150px;
    background-image: radial-gradient(circle, #cfcfd4 1.2px, transparent 1.3px);
    background-size: 13px 13px;
    content: "";
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 70%);
    mask-image: radial-gradient(circle at center, black, transparent 70%);
    opacity: 0.55;
    pointer-events: none;
  }
}

.login-panel .form-wrap {
  max-width: 480px;
}

.mobile-brand {
  display: none;
  margin-bottom: 46px;
}

.form-heading {
  margin-bottom: 38px;
}

.form-kicker {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-heading h1 {
  margin: 0;
  font-size: clamp(2.15rem, 4vw, 3.25rem);
  font-weight: 570;
  letter-spacing: -0.052em;
  line-height: 1.05;
}

.form-heading p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

.form-heading a,
.form-footer a,
.forgot-link {
  color: var(--ink);
  font-weight: 650;
}

.auth-form {
  display: grid;
  gap: 22px;
}

.field-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.field.span-2 {
  grid-column: 1 / -1;
}

.field label,
.label-row {
  color: #2d2e33;
  font-size: 0.79rem;
  font-weight: 650;
}

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.required {
  color: var(--accent);
}

.optional-label {
  color: var(--muted);
  font-weight: 450;
}

.control {
  position: relative;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: 0;
  color: var(--ink);
  background: #fafaf9;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.field input,
.field select {
  padding: 0 14px;
}

.field textarea {
  min-height: 104px;
  padding: 14px;
  line-height: 1.55;
  resize: vertical;
}

.field select {
  padding-right: 40px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2352535a' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #9b9ca2;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--line-strong);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 13%, transparent);
}

.field input[aria-invalid="true"] {
  border-color: var(--error);
}

.field-hint,
.field-error {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.field-error {
  display: none;
  color: var(--error);
}

.field-error.is-visible {
  display: block;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 7px;
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 8px;
  place-items: center;
  color: #65666e;
  background: transparent;
  cursor: pointer;
  transform: translateY(-50%);
}

.password-toggle:hover {
  color: var(--ink);
  background: #efefee;
}

.password-toggle:focus-visible,
.primary-button:focus-visible,
.checkbox-row input:focus-visible,
a:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 33%, transparent);
  outline-offset: 3px;
}

.password-toggle svg {
  width: 18px;
  height: 18px;
}

.password-input {
  padding-right: 52px !important;
}

.strength-meter {
  display: grid;
  margin-top: 2px;
  gap: 5px;
  grid-template-columns: repeat(4, 1fr);
}

.strength-meter span {
  height: 3px;
  border-radius: 99px;
  background: #dedee1;
  transition: background 180ms ease;
}

.strength-meter[data-score="1"] span:nth-child(-n + 1),
.strength-meter[data-score="2"] span:nth-child(-n + 2),
.strength-meter[data-score="3"] span:nth-child(-n + 3),
.strength-meter[data-score="4"] span:nth-child(-n + 4) {
  background: var(--accent);
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.55;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.login-options .checkbox-row {
  align-items: center;
}

.login-options .checkbox-row input {
  margin-top: 0;
}

.forgot-link {
  font-size: 0.78rem;
  text-decoration: none;
}

.forgot-link:hover,
.form-heading a:hover,
.form-footer a:hover {
  text-decoration: underline;
}

.primary-button {
  display: inline-flex;
  width: 100%;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-sm);
  color: #ffffff;
  background: var(--accent);
  box-shadow: 0 8px 24px color-mix(in oklch, var(--accent) 22%, transparent);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.primary-button:hover {
  background: var(--accent-hover);
  box-shadow: 0 10px 30px color-mix(in oklch, var(--accent) 30%, transparent);
  transform: translateY(-1px);
}

.primary-button:active {
  transform: translateY(0);
}

.primary-button:disabled,
.primary-button:disabled:hover,
.primary-button:disabled:active {
  opacity: 0.72;
  cursor: wait;
  box-shadow: none;
  transform: none;
}

.primary-button svg {
  width: 17px;
  height: 17px;
}

.form-status {
  display: none;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid color-mix(in oklch, var(--accent) 28%, #dddddf);
  border-radius: 10px;
  color: color-mix(in oklch, var(--accent) 58%, #111113);
  background: var(--accent-soft);
  font-size: 0.78rem;
  line-height: 1.45;
}

.form-status.is-visible {
  display: block;
}

.form-footer {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
  text-align: center;
}

.trust-line {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 34px 0 0;
  color: #87888f;
  font-size: 0.69rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.trust-line::before,
.trust-line::after {
  height: 1px;
  flex: 1;
  background: var(--line);
  content: "";
}

/* Compact desktop registration form so the complete flow fits in one viewport. */
.registration-page .form-panel {
  padding-top: clamp(24px, 3vw, 42px);
  padding-bottom: clamp(24px, 3vw, 42px);
}

.registration-page .form-heading {
  margin-bottom: 22px;
}

.registration-page .form-heading h1 {
  font-size: clamp(1.95rem, 3vw, 2.65rem);
}

.registration-page .form-heading p {
  margin-top: 9px;
  font-size: 0.86rem;
  line-height: 1.4;
}

.registration-page .auth-form {
  gap: 14px;
}

.registration-page .field-grid {
  column-gap: 16px;
  row-gap: 12px;
}

.registration-page .field {
  align-content: start;
  align-self: start;
  gap: 6px;
}

.registration-page .field label,
.registration-page .label-row {
  font-size: 0.73rem;
}

.registration-page .field input,
.registration-page .field select {
  min-height: 44px;
  padding-right: 12px;
  padding-left: 12px;
  font-size: 0.84rem;
}

.registration-page .field textarea {
  min-height: 72px;
  padding: 11px 12px;
  font-size: 0.84rem;
  line-height: 1.4;
}

.registration-page .field-hint,
.registration-page .field-error {
  font-size: 0.66rem;
  line-height: 1.3;
}

.registration-page .password-toggle {
  width: 34px;
  height: 34px;
}

.registration-page .checkbox-row {
  font-size: 0.71rem;
  line-height: 1.4;
}

.registration-page .primary-button {
  min-height: 47px;
  font-size: 0.84rem;
}

.registration-page .form-footer {
  margin-top: 18px;
}

@media (max-width: 1040px) {
  .auth-layout {
    grid-template-columns: minmax(330px, 0.75fr) minmax(500px, 1.25fr);
  }

  .story-panel {
    padding: 34px;
  }

  .story-title {
    font-size: clamp(2.75rem, 5vw, 3.65rem);
  }
}

@media (max-width: 820px) {
  body {
    background: #111113;
  }

  .auth-layout {
    display: block;
  }

  .story-panel {
    position: relative;
    display: none;
  }

  .form-panel,
  .form-panel.login-panel {
    min-height: 100vh;
    align-items: flex-start;
    padding: 30px clamp(22px, 7vw, 62px) 52px;
    color: #f7f7f8;
    background-color: #111113;
    background-image:
      radial-gradient(circle at -10% -5%, color-mix(in oklch, var(--accent) 24%, transparent), transparent 40%),
      radial-gradient(circle at 110% 105%, color-mix(in oklch, var(--accent) 22%, transparent), transparent 38%);
    background-size: auto;
  }

  .login-panel .form-wrap,
  .form-wrap {
    position: relative;
    z-index: 1;
    max-width: 640px;
  }

  .mobile-brand {
    display: inline-flex;
  }

  .mobile-brand img {
    filter: invert(1);
  }

  .form-kicker,
  .form-heading p,
  .field-hint,
  .checkbox-row,
  .form-footer,
  .trust-line {
    color: #aaaab1;
  }

  .form-heading h1,
  .form-heading a,
  .form-footer a,
  .checkbox-row a,
  .forgot-link,
  .field label,
  .label-row {
    color: #f7f7f8;
  }

  .field input,
  .field select,
  .field textarea {
    border-color: #39393f;
    color: #f7f7f8;
    background-color: #19191c;
  }

  .field input::placeholder,
  .field textarea::placeholder {
    color: #777780;
  }

  .field input:hover,
  .field select:hover,
  .field textarea:hover {
    border-color: #55555d;
  }

  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    border-color: var(--accent);
    color: #ffffff;
    background: #1d1d21;
  }

  .field input:-webkit-autofill {
    box-shadow: 0 0 0 1000px #19191c inset;
    -webkit-text-fill-color: #f7f7f8;
  }

  .field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23aaaab1' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  }

  .field select option {
    color: #111113;
    background: #ffffff;
  }

  .password-toggle {
    color: #aaaab1;
  }

  .password-toggle:hover {
    color: #ffffff;
    background: #29292e;
  }

  .strength-meter span {
    background: #3b3b41;
  }

  .trust-line::before,
  .trust-line::after {
    background: #39393f;
  }
}

@media (max-width: 560px) {
  .form-panel,
  .form-panel.login-panel {
    padding-right: 20px;
    padding-left: 20px;
  }

  .mobile-brand {
    margin-bottom: 38px;
  }

  .form-heading {
    margin-bottom: 30px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .field.span-2 {
    grid-column: auto;
  }

  .login-options {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}