:root {
  --page: #050811;
  --panel: #0a0d19;
  --panel-raised: #101426;
  --field: #0d1121;
  --text: #f5f7fb;
  --muted: #969daf;
  --border: rgba(255, 255, 255, 0.09);
  --accent: #E53935;
  --accent-hover: #F0524E;
  --accent-pressed: #C62828;
  --teal: #4fd4ba;
  --radius-card: 28px;
  --radius-control: 12px;
  --font-display: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 79% 8%, rgba(52, 206, 175, 0.34), transparent 29rem),
    radial-gradient(circle at 16% 89%, rgba(229, 57, 53, 0.32), transparent 31rem),
    linear-gradient(145deg, #07091b 0%, #050716 48%, #030b13 100%);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.registration-page {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding: clamp(24px, 4vw, 64px);
}

.registration-card {
  display: grid;
  grid-template-columns: minmax(440px, 0.9fr) minmax(420px, 1.1fr);
  width: min(1180px, 100%);
  min-height: min(780px, calc(100dvh - 80px));
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.48);
}

.form-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(30px, 4vw, 58px);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand:focus-visible,
.sign-in-copy button:focus-visible,
.sign-in-copy a:focus-visible,
.submit-button:focus-visible,
.google-button:focus-visible,
.password-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 70%, white);
  outline-offset: 4px;
  border-radius: 8px;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 40px;
  place-items: center;
}

.brand-mark svg {
  width: 26px;
  height: 32px;
  overflow: visible;
  fill: var(--accent-hover);
  filter: drop-shadow(0 0 14px rgba(229, 57, 53, 0.36));
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.form-content {
  width: min(100%, 410px);
  margin: auto;
  padding-block: 42px;
}

.form-header {
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.05;
  text-wrap: balance;
}

.form-header > p:last-child {
  max-width: 36ch;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

form {
  display: grid;
  gap: 18px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.field-group label {
  color: #e9ebf2;
  font-size: 13px;
  font-weight: 600;
}

.field-group input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  outline: none;
  background: var(--field);
  color: var(--text);
  padding: 0 15px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.field-group input::placeholder {
  color: #6f7689;
}

.field-group input:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.field-group input:focus-visible {
  border-color: var(--accent-hover);
  background: #101529;
  box-shadow: 0 0 0 4px rgba(229, 57, 53, 0.17);
}

.password-field {
  position: relative;
}

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

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

.password-toggle:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.password-toggle svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.form-status {
  margin: -2px 0 0;
  color: #ffb4bb;
  font-size: 12px;
  line-height: 1.45;
}

.form-status[hidden] {
  display: none;
}

.field-error {
  color: #ffb4bb;
  font-size: 12px;
  line-height: 1.45;
}

.field-error:empty {
  display: none;
}

.field-group input[aria-invalid="true"] {
  border-color: #f0524e;
}

.form-status[data-state="success"] {
  color: #8ce3b5;
  text-align: center;
}

.submit-button {
  min-height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-control);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(229, 57, 53, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: background 160ms ease, transform 160ms ease;
}

.submit-button:hover {
  background: var(--accent-hover);
}

.submit-button:active {
  background: var(--accent-pressed);
  transform: translateY(1px);
}

.submit-button:disabled {
  cursor: progress;
  opacity: 0.82;
}

.particle-loader {
  display: inline-block;
  width: 25px;
  height: 25px;
  vertical-align: middle;
  background:
    radial-gradient(circle, #fff 2px, transparent 3px) 50% 0 / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 85% 15% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 100% 50% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 85% 85% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 50% 100% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 15% 85% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 0 50% / 5px 5px no-repeat,
    radial-gradient(circle, #fff 2px, transparent 3px) 15% 15% / 5px 5px no-repeat;
  animation: particle-orbit 900ms linear infinite;
}

.particle-loader[hidden] {
  display: none;
}

@keyframes particle-orbit {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .particle-loader { animation-duration: 2.5s; }
}

.auth-error-dialog {
  width: min(390px, calc(100% - 32px));
  padding: 28px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  background: var(--panel-raised);
  color: var(--text);
  box-shadow: 0 24px 75px rgba(0,0,0,.5);
}

.auth-error-dialog::backdrop {
  background: rgba(2, 5, 12, .78);
  backdrop-filter: blur(4px);
}

.auth-error-dialog h2 {
  margin: 0 0 12px;
  font-size: 21px;
}

.auth-error-dialog p {
  color: var(--muted);
  line-height: 1.5;
}

.modal-close {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.modal-close:hover { background: var(--accent-hover); }
.modal-close:focus-visible { outline: 3px solid white; outline-offset: 3px; }

.google-button {
  display: grid;
  min-height: 48px;
  place-items: center;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-control);
  background: #fff;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}

.google-button:hover {
  border-color: #d1d5db;
  background: #f3f4f6;
}

.google-button svg {
  width: 22px;
  height: 22px;
}

.sign-in-copy {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.sign-in-copy button,
.sign-in-copy a {
  padding: 3px 2px;
  border: 0;
  background: transparent;
  color: var(--accent-hover);
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.login-card {
  grid-template-columns: minmax(410px, 0.86fr) minmax(420px, 1.14fr);
}

.login-content {
  width: min(100%, 390px);
}

.login-page .form-header {
  margin-bottom: 28px;
}

.account-copy a {
  display: inline-block;
  padding: 3px 2px;
  color: var(--accent-hover);
  font-weight: 650;
  text-underline-offset: 4px;
}

.sign-in-copy button:hover,
.sign-in-copy a:hover,
.account-copy a:hover {
  color: var(--accent);
}

.sign-in-copy button:active,
.sign-in-copy a:active,
.account-copy a:active {
  color: var(--accent-pressed);
}

.login-page .google-button {
  min-height: 50px;
}

.login-page .google-button svg {
  width: 23px;
  height: 23px;
}

.form-footer {
  color: #656c7d;
  font-size: 11px;
}

.visual-panel {
  position: relative;
  isolation: isolate;
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(36px, 5vw, 68px);
  background:
    radial-gradient(ellipse at 15% 16%, rgba(85, 217, 189, 0.54), transparent 37%),
    radial-gradient(ellipse at 62% 89%, rgba(229, 57, 53, 0.62), transparent 40%),
    radial-gradient(ellipse at 100% 8%, rgba(64, 175, 183, 0.28), transparent 37%),
    linear-gradient(145deg, #10192a 0%, #111225 48%, #291519 100%);
}

.visual-panel::before,
.visual-panel::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  filter: blur(16px);
}

.visual-panel::before {
  top: 9%;
  left: -23%;
  width: 78%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 60% 45%, rgba(112, 229, 207, 0.42), rgba(75, 167, 175, 0.07) 45%, transparent 67%);
  transform: rotate(-18deg) scaleX(1.35);
}

.visual-panel::after {
  right: -18%;
  bottom: -19%;
  width: 90%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 36% 30%, rgba(240, 82, 78, 0.63), rgba(198, 40, 40, 0.16) 44%, transparent 68%);
}

.visual-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at center, black 10%, transparent 74%);
}

.visual-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.visual-orbit--one {
  top: 16%;
  right: -23%;
  width: 76%;
  aspect-ratio: 1;
}

.visual-orbit--two {
  right: 16%;
  bottom: 8%;
  width: 42%;
  aspect-ratio: 1;
}

.visual-copy {
  max-width: 420px;
  margin-top: auto;
  margin-bottom: 34px;
}

.visual-kicker {
  display: inline-block;
  margin-bottom: 16px;
  color: rgba(235, 255, 250, 0.73);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.visual-copy p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.02;
  text-wrap: balance;
  text-shadow: 0 3px 32px rgba(0, 0, 0, 0.3);
}

.visual-caption {
  margin: 0;
  color: rgba(240, 243, 251, 0.62);
  font-size: 12px;
  letter-spacing: 0.02em;
}

@media (max-width: 880px) {
  .registration-card {
    grid-template-columns: minmax(0, 1fr);
    width: min(620px, 100%);
    min-height: auto;
  }

  .visual-panel {
    display: none;
  }

  .form-panel {
    position: relative;
    overflow: hidden;
  }

  .form-panel::before {
    position: absolute;
    top: -160px;
    right: -170px;
    width: 380px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(87, 211, 188, 0.18), rgba(229, 57, 53, 0.12) 45%, transparent 70%);
    content: "";
    pointer-events: none;
  }
}

@media (max-width: 520px) {
  .registration-page {
    display: block;
    min-height: 100dvh;
    padding: 0;
  }

  .registration-card {
    min-height: 100dvh;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .form-panel {
    min-height: 100dvh;
    padding: 24px 20px 22px;
  }

  .form-content {
    width: 100%;
    padding-block: 48px 32px;
  }

  h1 {
    font-size: 36px;
  }

  .field-group input,
  .submit-button {
    min-height: 52px;
  }

  .form-footer {
    margin-top: auto;
  }
}

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