/*
 * The address screen the app ships. Dark first, mirroring the app's neutral
 * default scheme (client/src/index.css), so it shares the launch screen's
 * background and never flashes. Everything past this screen is the UI the
 * chosen server delivers.
 */
:root {
  --bg: #09090b;
  --bg-2: #101013;
  --surface: #18181b;
  --surface-2: #1f1f23;
  --edge: #27272a;
  --edge-strong: #3f3f46;
  --ink: #fafafa;
  --muted: #a1a1aa;
  --faint: #71717a;
  --accent: #fafafa;
  --accent-ink: #09090b;
  --danger: #f87171;
  --ok: #4ade80;
  --radius: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-2: #fafafa;
    --surface: #f4f4f5;
    --surface-2: #ececef;
    --edge: #e4e4e7;
    --edge-strong: #d4d4d8;
    --ink: #111827;
    --muted: #52525b;
    --faint: #9ca3af;
    --accent: #111827;
    --accent-ink: #ffffff;
    --danger: #dc2626;
    --ok: #16a34a;
    color-scheme: light;
  }
  .shell-logo,
  .mark {
    filter: none;
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  user-select: none;
  -webkit-user-select: none;
}

/* An ambient glow behind the content, so the flat dark gains a little depth. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(60% 50% at 50% -5%, color-mix(in srgb, var(--ink) 7%, transparent), transparent 70%),
    radial-gradient(50% 40% at 50% 110%, color-mix(in srgb, var(--ink) 4%, transparent), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 440px;
  margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 28px) 24px calc(env(safe-area-inset-bottom) + 24px);
  overflow: hidden;
}

/* ── Screen transitions ──────────────────────────────────────────────────── */
.screen {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.screen-enter {
  animation: screenIn 0.5s var(--ease) both;
}
.screen-leave {
  animation: screenOut 0.28s var(--ease-in) both;
  position: absolute;
  inset: calc(env(safe-area-inset-top) + 28px) 24px calc(env(safe-area-inset-bottom) + 24px);
}
.screen-back.screen-enter {
  animation-name: screenInBack;
}
.screen-back.screen-leave {
  animation-name: screenOutBack;
}
@keyframes screenIn {
  from {
    opacity: 0;
    transform: translateX(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes screenOut {
  to {
    opacity: 0;
    transform: translateX(-22px);
  }
}
@keyframes screenInBack {
  from {
    opacity: 0;
    transform: translateX(-26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes screenOutBack {
  to {
    opacity: 0;
    transform: translateX(22px);
  }
}

/* Children stagger in, so a screen assembles rather than snaps. */
.screen-enter > * {
  animation: riseIn 0.55s var(--ease) both;
}
.screen-enter > *:nth-child(1) {
  animation-delay: 0.02s;
}
.screen-enter > *:nth-child(2) {
  animation-delay: 0.07s;
}
.screen-enter > *:nth-child(3) {
  animation-delay: 0.12s;
}
.screen-enter > *:nth-child(4) {
  animation-delay: 0.17s;
}
.screen-enter > *:nth-child(5) {
  animation-delay: 0.22s;
}
.screen-enter > *:nth-child(6) {
  animation-delay: 0.27s;
}
@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── Brand ───────────────────────────────────────────────────────────────── */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 6px;
}
.brand .mark {
  width: 40px;
  height: 40px;
}
.brand .wordmark {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.brand .tag {
  font-style: italic;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  line-height: 1.3;
}

.shell-logo {
  width: 52px;
  height: 52px;
  margin-bottom: 4px;
}

/* The big hero mark on the welcome screen, with a gentle breathing float. */
.hero-mark {
  width: 76px;
  height: 76px;
  margin-bottom: 18px;
  animation: floaty 6s ease-in-out infinite;
  filter: drop-shadow(0 10px 30px color-mix(in srgb, var(--ink) 18%, transparent));
}
@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* ── Type ────────────────────────────────────────────────────────────────── */
.title {
  font-size: 1.9rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}
.title-sm {
  font-size: 1.45rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0;
}
.sub {
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
  font-size: 1.02rem;
  overflow-wrap: anywhere;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  font: inherit;
  font-weight: 600;
  font-size: 1.02rem;
  padding: 16px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  transition:
    transform 0.14s var(--ease),
    opacity 0.2s,
    background 0.2s,
    border-color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
}
.btn:active {
  transform: scale(0.975);
}
.btn:disabled {
  opacity: 0.55;
}
.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--edge);
}
.btn-ghost:active {
  background: var(--surface-2);
}
.btn-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.btn-row b {
  font-weight: 650;
}
.btn-row small {
  font-weight: 500;
  font-size: 0.86rem;
  opacity: 0.7;
}
.btn .chev {
  margin-left: auto;
  opacity: 0.5;
}

.linkbtn {
  font: inherit;
  font-size: 0.95rem;
  padding: 12px;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
  align-self: center;
  transition: color 0.2s;
}
.linkbtn:active {
  color: var(--ink);
}
a.linkbtn {
  text-decoration: none;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px 18px;
  margin-top: 6px;
  font-size: 0.86rem;
}
.foot-links a {
  color: var(--faint);
  text-decoration: none;
  padding: 8px 2px;
}

/* ── Address form ────────────────────────────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.field {
  position: relative;
}
.field input {
  width: 100%;
  font: inherit;
  font-size: 1.05rem;
  padding: 16px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--edge);
  background: var(--surface);
  color: var(--ink);
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.25s;
  user-select: text;
  -webkit-user-select: text;
}
.field input::placeholder {
  color: var(--faint);
}
.field input:focus {
  border-color: var(--edge-strong);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ink) 9%, transparent);
}
.field.bad input {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 16%, transparent);
  animation: shake 0.3s;
}
@keyframes shake {
  25% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  75% {
    transform: translateX(-3px);
  }
}

.error {
  color: var(--danger);
  margin: 0;
  min-height: 1.4em;
  line-height: 1.45;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

/* Spinner inside the connect button while probing. */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid color-mix(in srgb, var(--accent-ink) 35%, transparent);
  border-top-color: var(--accent-ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Feature list (cloud screen) ─────────────────────────────────────────── */
.features {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 4px 0 2px;
}
.feature {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 11px 0;
  border-top: 1px solid var(--edge);
}
.feature:first-child {
  border-top: 0;
}
.feature .ic {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--edge);
  display: grid;
  place-items: center;
  color: var(--ink);
}
.feature .tx {
  line-height: 1.4;
  padding-top: 5px;
  font-size: 0.98rem;
}

/* ── Success tick before the server loads ────────────────────────────────── */
.success {
  align-items: center;
  text-align: center;
  justify-content: center;
}
.tick {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ok) 16%, transparent);
  display: grid;
  place-items: center;
  margin-bottom: 8px;
  animation: pop 0.45s var(--ease) both;
}
.tick svg {
  width: 38px;
  height: 38px;
  color: var(--ok);
}
.tick path {
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: draw 0.45s 0.15s var(--ease) forwards;
}
@keyframes pop {
  from {
    transform: scale(0.4);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.topbar {
  display: flex;
  align-items: center;
  margin: 0 0 2px -8px;
}
.back {
  font: inherit;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 0.98rem;
  padding: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.back:active {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ── Plan picker (cloud subscription) ────────────────────────────────────── */
.segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--edge);
  border-radius: 13px;
  align-self: stretch;
}
.segmented button {
  flex: 1;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 9px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.segmented button[aria-pressed='true'] {
  background: var(--accent);
  color: var(--accent-ink);
}
.segmented .save {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ok) 22%, transparent);
  color: var(--ok);
}
.segmented button[aria-pressed='true'] .save {
  background: color-mix(in srgb, var(--accent-ink) 16%, transparent);
  color: var(--accent-ink);
}

.plans {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.plan {
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
  transition:
    border-color 0.2s,
    transform 0.14s var(--ease);
}
.plan:active {
  transform: scale(0.99);
}
.plan.featured {
  border-color: var(--edge-strong);
  background: var(--surface-2);
}
.plan-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.plan-name {
  font-weight: 700;
  font-size: 1.12rem;
}
.plan-price {
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}
.plan-price small {
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--muted);
  margin-left: 3px;
}
.plan-feats {
  margin: 10px 0 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}
.plan-feats span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-feats svg {
  flex: none;
  color: var(--ok);
}
.plan .btn {
  width: 100%;
  min-height: 48px;
  padding: 13px;
}
.plan:not(.featured) .btn {
  background: var(--surface-2);
  color: var(--ink);
  border-color: var(--edge);
}

.loading {
  display: flex;
  justify-content: center;
  padding: 40px 0;
}
.loading .spinner {
  width: 26px;
  height: 26px;
  border-color: var(--edge-strong);
  border-top-color: var(--ink);
}
.note {
  text-align: center;
  color: var(--faint);
  font-size: 0.84rem;
  margin: 2px 0 0;
  line-height: 1.45;
}

/* ── Claim: address + email, and the provisioning wait ───────────────────── */
.slug-field {
  display: flex;
  align-items: center;
  padding-right: 14px;
}
.slug-field .slug-input {
  flex: 1;
  min-width: 0;
  text-align: right;
}
.slug-suffix {
  flex: none;
  color: var(--muted);
  font-size: 0.98rem;
  padding-left: 2px;
  user-select: none;
}
.hint {
  margin: -6px 2px 2px;
  font-size: 0.84rem;
  color: var(--faint);
  min-height: 1.1em;
  transition: color 0.2s;
}
.hint.ok {
  color: var(--ok);
}
.hint.bad {
  color: var(--danger);
}

.screen-center {
  justify-content: center;
  text-align: center;
  align-items: center;
  gap: 18px;
}
.screen-center .title-sm,
.screen-center .sub {
  text-align: center;
}
.provision-mark {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.provision-mark .spinner {
  width: 40px;
  height: 40px;
  border-width: 3px;
  border-color: var(--edge-strong);
  border-top-color: var(--accent);
}