:root {
  color-scheme: light;
  --paper: #f3efe3;
  --paper-deep: #e8e3d5;
  --ink: #101510;
  --ink-soft: #3f463c;
  --muted: #484e44;
  --line: rgba(16, 21, 16, 0.16);
  --line-strong: rgba(16, 21, 16, 0.32);
  --lime: #d7ff59;
  --lime-deep: #3b5210;
  --rust: #8a2c16;
  --blue: #b6dbe0;
  --white: #fffdf7;
  --shadow: 0 20px 55px rgba(16, 21, 16, 0.14);
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius: 1.15rem;
}

* {
  box-sizing: border-box;
}

/* Design classes must never override native hidden semantics. */
.app-shell [hidden] {
  display: none !important;
}

html {
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(16, 21, 16, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 21, 16, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 2rem 2rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background: radial-gradient(circle at 85% 7%, rgba(215, 255, 89, 0.22), transparent 28rem);
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.09em;
}

a:hover {
  color: var(--rust);
}

button,
input {
  color: inherit;
  font: inherit;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 0.2rem solid var(--rust);
  outline-offset: 0.25rem;
}

::selection {
  background: var(--ink);
  color: var(--lime);
}

.skip-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  position: fixed;
  z-index: 30;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 0.9rem;
  transform: translateY(-160%);
  background: var(--ink);
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  width: min(100% - 2.5rem, 88rem);
  margin: 0 auto;
}

.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.5rem;
  border-bottom: 0.08rem solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.17em;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.wordmark span {
  color: var(--rust);
}

.wordmark::before {
  width: 0.65rem;
  height: 0.65rem;
  margin-right: 0.2rem;
  background: var(--lime);
  border: 0.13rem solid var(--ink);
  content: "";
}

.app-nav nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.35rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-nav nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

.eyebrow,
.kicker,
.micro-label {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.eyebrow::before {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--lime-deep);
  border-radius: 50%;
  box-shadow: 0 0 0 0.26rem rgba(168, 206, 38, 0.2);
  content: "";
}

.app-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.58fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding: clamp(3.5rem, 8vw, 7rem) 0 3.25rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.75rem, 6vw, 5.7rem);
  font-weight: 800;
}

h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
}

h3 {
  margin-bottom: 0.4rem;
  font-size: 1.15rem;
}

.app-lede {
  max-width: 45rem;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.17rem);
}

code,
pre {
  font-family: var(--mono);
}

code {
  padding: 0.08em 0.25em;
  background: var(--paper-deep);
  font-size: 0.9em;
}

.boundary-banner {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1.1rem 1.2rem;
  border: 0.1rem solid var(--ink);
  background: var(--ink);
  box-shadow: var(--shadow);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.boundary-mark,
.capability-mark {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  background: var(--lime);
  color: var(--ink);
  font-weight: 900;
}

.service-status {
  min-height: 1.4rem;
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.service-status[data-state="error"],
.inline-status[data-state="error"] {
  color: var(--rust);
}

.service-status[data-state="success"],
.inline-status[data-state="success"] {
  color: var(--lime-deep);
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.panel,
.result-panel {
  border: 0.09rem solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel {
  min-width: 0;
  padding: clamp(1.35rem, 3vw, 2.2rem);
  background: var(--white);
}

.panel--auth {
  background: var(--ink);
  color: var(--paper);
}

.panel--auth h2,
.panel--auth h3 {
  color: var(--paper);
}

.panel--auth .panel-heading > p:last-child,
.panel--auth .form-hint,
.panel--auth .micro-label {
  color: #b9c1b0;
}

.panel--auth .inline-status[data-state="error"] {
  color: #ffb7a5;
}

.panel--auth .inline-status[data-state="success"] {
  color: var(--lime);
}

.panel-heading {
  margin-bottom: 1.75rem;
}

.panel-heading h2 {
  margin-top: 0.45rem;
}

.panel-heading > p:last-child {
  max-width: 34rem;
  margin-bottom: 0;
  color: var(--ink-soft);
}

.stack-form {
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input[type="email"],
input[type="password"],
input[type="file"] {
  width: 100%;
  min-height: 3.15rem;
  border: 0.09rem solid var(--line-strong);
  border-radius: 0.35rem;
  background: var(--white);
  color: var(--ink);
}

input[type="email"],
input[type="password"] {
  padding: 0.75rem 0.85rem;
}

input[type="file"] {
  padding: 0.62rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
}

input[type="file"]::file-selector-button {
  min-height: 2.75rem;
  margin-right: 0.75rem;
  padding: 0.48rem 0.65rem;
  border: 0.08rem solid var(--ink);
  background: var(--paper-deep);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.form-actions,
.session-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.button,
.text-button {
  border: 0;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 3.1rem;
  padding: 0.8rem 1.05rem;
  border: 0.09rem solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.button:hover:not(:disabled) {
  background: var(--rust);
  color: var(--white);
  transform: translateY(-0.12rem);
}

.button--lime {
  background: var(--lime);
  color: var(--ink);
}

.button--lime:hover:not(:disabled) {
  background: var(--white);
  color: var(--ink);
}

.button--quiet {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.panel--auth .button--quiet {
  border-color: #677064;
  color: var(--paper);
}

.button--quiet:hover:not(:disabled) {
  background: var(--paper);
  color: var(--ink);
}

.button--dark {
  width: 100%;
  background: var(--ink);
  color: var(--lime);
}

.button--small {
  min-height: 2.75rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.64rem;
}

.continue-session {
  margin-top: 0.7rem;
}

.button:disabled,
.text-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  transform: none;
}

.text-button {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.55rem 0;
  background: transparent;
  color: var(--rust);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-transform: uppercase;
}

.form-hint {
  margin: -0.25rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.continuation-choice {
  display: grid;
  gap: 0.55rem;
  padding: 0.9rem;
  border: 0.08rem solid var(--line);
  background: rgba(255, 253, 247, 0.55);
}

.checkbox-label {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  min-height: 2.75rem;
  padding-block: 0.2rem;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.9rem;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
}

.checkbox-label input {
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  margin: 0.05rem 0 0;
  accent-color: var(--lime-deep);
}

.continuation-choice .form-hint {
  margin: 0 0 0 2.05rem;
}

.inline-status {
  min-height: 1.35rem;
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.73rem;
}

.panel--auth .inline-status {
  color: #d5ddca;
}

.panel--auth .text-button {
  color: var(--lime);
}

.session-card {
  margin-top: 1.3rem;
  padding: 1rem;
  border: 0.08rem solid #5e6959;
  background: #1c251a;
}

.session-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.session-heading h3 {
  margin: 0;
}

.session-email {
  overflow: hidden;
  margin: 0.45rem 0;
  color: var(--lime);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-state {
  margin: 0 0 0.85rem;
  color: #d5ddca;
  font-size: 0.84rem;
}

.session-timeout {
  min-height: 2.8em;
  margin: 0 0 0.85rem;
  color: #d5ddca;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.session-timeout[data-state="warning"] {
  color: var(--lime);
  font-weight: 700;
}

.capability-note {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin-top: 1.6rem;
  padding-top: 1.1rem;
  border-top: 0.08rem solid var(--line);
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.capability-note p {
  margin: 0;
}

.result-panel {
  margin-top: 1.25rem;
  padding: clamp(1.35rem, 3vw, 2.2rem);
  background: var(--paper-deep);
}

.result-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.result-heading h2 {
  margin-top: 0.45rem;
}

.result-heading p:last-child {
  margin: 0;
  color: var(--ink-soft);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0;
}

.summary-grid > div {
  min-width: 0;
  padding: 0.85rem 0.9rem;
  border: 0.08rem solid var(--line);
  background: rgba(255, 253, 247, 0.68);
}

.summary-grid dt {
  min-height: 2.1em;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
}

.summary-grid dd {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 800;
}

.json-details {
  margin-top: 1.25rem;
  border: 0.08rem solid var(--line-strong);
  background: var(--white);
}

.json-details summary {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.json-details pre {
  max-height: 32rem;
  margin: 0;
  padding: 1rem;
  overflow: auto;
  border-top: 0.08rem solid var(--line);
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.5;
  tab-size: 2;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.app-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 3rem 0 2.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.app-footer p {
  margin: 0;
}

.app-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  align-items: center;
}

.app-footer nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
}

@media (max-width: 840px) {
  .app-hero,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .app-hero {
    gap: 2rem;
  }

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

@media (max-width: 560px) {
  .app-shell {
    width: min(100% - 1.25rem, 88rem);
  }

  .app-nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.3rem 0;
  }

  .app-nav nav {
    gap: 1rem;
  }

  .app-hero {
    padding-top: 3rem;
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(2.6rem, 15vw, 4.6rem);
  }

  .result-heading,
  .app-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

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