:root {
  color-scheme: light;
  --ink: #181915;
  --muted: #84857d;
  --paper: #fbfaf7;
  --surface: rgba(255, 255, 252, 0.62);
  --line: rgba(24, 25, 21, 0.14);
  --sage: #828f79;
  --sage-deep: #748269;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  min-width: 0;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(1040px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 26px 60px;
}

.mobile-shell {
  width: min(100%, 480px);
  min-height: 100vh;
  margin: 0 auto;
  padding: calc(28px + env(safe-area-inset-top)) 18px calc(56px + env(safe-area-inset-bottom));
}

.site-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.brand-lockup strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  line-height: 1;
  font-weight: 400;
}

.brand-lockup span,
.eyebrow,
.entry-card span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.surface-switch-link,
.session-pill,
.button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.session-pill {
  max-width: 160px;
  overflow: hidden;
  border-color: transparent;
  background: rgba(130, 143, 121, 0.12);
  color: var(--sage-deep);
  text-overflow: ellipsis;
}

.session-pill[data-authenticated="false"] {
  background: rgba(255, 255, 252, 0.42);
  color: var(--muted);
}

.button.ghost,
.button.primary {
  background: rgba(255, 255, 252, 0.48);
}

.button.primary {
  border-color: transparent;
  background: var(--sage);
  color: #fff;
}

.logout-button[hidden] {
  display: none;
}

button {
  font: inherit;
  cursor: pointer;
}

.home-layout {
  display: grid;
  gap: 34px;
  padding-top: clamp(58px, 9vw, 118px);
}

.intro {
  max-width: 780px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.intro h1 {
  margin: 0;
  font-size: clamp(38px, 5.5vw, 70px);
  line-height: 1.08;
  font-weight: 300;
}

.intro p:not(.eyebrow) {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.login-inline {
  margin-top: 18px;
}

.mobile-login-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
}

.mobile-login-row .login-inline {
  margin-top: 0;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.entry-card {
  min-height: 250px;
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  transition: background 160ms ease, transform 160ms ease;
}

.entry-card:hover {
  background: rgba(255, 255, 252, 0.88);
  transform: translateY(-1px);
}

.entry-card strong {
  display: block;
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.08;
  font-weight: 300;
}

.entry-card p {
  max-width: 360px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.image-entry {
  min-height: 310px;
}

.image-entry img {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: min(34%, 170px);
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.alchemy-shell {
  width: min(1120px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 26px 64px;
}

.auth-shell {
  width: min(860px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 32px 26px 64px;
}

.alchemy-layout {
  display: grid;
  gap: 24px;
  padding-top: clamp(38px, 6vw, 76px);
}

.auth-layout {
  display: grid;
  gap: 24px;
  padding-top: clamp(54px, 8vw, 96px);
}

.alchemy-intro,
.auth-intro {
  max-width: 720px;
  padding-bottom: 22px;
}

.alchemy-intro h1,
.auth-intro h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.account-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.account-strip div,
.compose-panel,
.records-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.account-strip div {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.account-strip span,
.panel-title,
.compose-panel label,
.history-item span,
.usage-item span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.account-strip strong {
  font-size: 20px;
  font-weight: 400;
}

.alchemy-workbench {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr) minmax(260px, 0.8fr);
  gap: 12px;
  align-items: start;
}

.compose-panel,
.login-panel,
.records-panel {
  padding: 16px;
}

.compose-panel,
.login-panel {
  display: grid;
  gap: 12px;
}

.login-panel {
  width: min(460px, 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.login-panel label {
  display: grid;
  gap: 8px;
}

.login-panel label span {
  color: var(--muted);
  font-size: 12px;
}

.compose-panel textarea,
.login-panel input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 252, 0.72);
  color: var(--ink);
  font: inherit;
}

.compose-panel textarea {
  resize: vertical;
  min-height: 126px;
  line-height: 1.65;
}

.workbench-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sandbox-message {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.sandbox-message[data-kind="error"] {
  color: #a2483a;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--sage-deep);
  font-size: 12px;
}

.history-list,
.usage-list {
  display: grid;
  gap: 10px;
}

.history-list.empty,
.usage-list.empty {
  min-height: 78px;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
}

.history-item,
.usage-item {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(24, 25, 21, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 252, 0.56);
}

.history-item {
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: center;
}

.history-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
}

.history-item strong,
.usage-item strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
  font-weight: 500;
}

.usage-item {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.usage-item b {
  font-weight: 500;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 28px 18px 56px;
  }

  .mobile-header .surface-switch-link {
    min-width: 68px;
  }

  .home-layout {
    gap: 24px;
    padding-top: 54px;
  }

  .intro {
    padding-bottom: 22px;
  }

  .intro h1 {
    font-size: 38px;
  }

  .intro p:not(.eyebrow) {
    font-size: 14px;
  }

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

  .entry-card {
    min-height: 154px;
  }

  .image-entry {
    min-height: 210px;
  }

  .image-entry img {
    width: 116px;
    height: 116px;
  }

  .alchemy-shell {
    padding: 28px 18px 56px;
  }

  .auth-shell {
    padding: 28px 18px 56px;
  }

  .account-strip,
  .alchemy-workbench {
    grid-template-columns: 1fr;
  }

  .account-strip strong {
    font-size: 18px;
  }
}