@charset "UTF-8";
/* SPDX-License-Identifier: Apache-2.0
   OpenDrive project workspace. Original warm-paper UI, no external assets. */

:root {
  color-scheme: light;
  --font-sans: system-ui, -apple-system, "Segoe UI", "Noto Sans CJK SC", sans-serif;
  --font-display: "Iowan Old Style", Palatino, "Noto Serif CJK SC", Georgia, serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", monospace;
  --bg: #f4f0e8;
  --surface: #fffdf8;
  --surface-2: #ebe4d8;
  --ink: #20211f;
  --muted: #706d64;
  --line: #ddd5c8;
  --line-strong: #baad9d;
  --accent: #a83921;
  --accent-soft: #f4e1d8;
  --on-accent: #ffffff;
  --secondary: #1f5b54;
  --danger: #b3261e;
  --danger-soft: #f5e0dc;
  --focus: #a83921;
  --shadow: 0 20px 55px -34px rgba(51, 36, 22, 0.38);
  --radius-surface: 18px;
  --radius-control: 10px;
  --radius-card: 14px;
  --ease: cubic-bezier(0.22, 0.72, 0.24, 1);
  --header-h: 72px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111513;
  --surface: #1a211e;
  --surface-2: #242d29;
  --ink: #f3f0e8;
  --muted: #a9afa8;
  --line: #39423d;
  --line-strong: #59645e;
  --accent: #e28a6c;
  --accent-soft: #34231d;
  --on-accent: #1a110e;
  --secondary: #83c0b1;
  --danger: #ff9f94;
  --danger-soft: #3c211e;
  --focus: #f0a083;
  --shadow: 0 24px 65px -34px rgba(0, 0, 0, 0.9);
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="system"] {
    color-scheme: dark;
    --bg: #111513;
    --surface: #1a211e;
    --surface-2: #242d29;
    --ink: #f3f0e8;
    --muted: #a9afa8;
    --line: #39423d;
    --line-strong: #59645e;
    --accent: #e28a6c;
    --accent-soft: #34231d;
    --on-accent: #1a110e;
    --secondary: #83c0b1;
    --danger: #ff9f94;
    --danger-soft: #3c211e;
    --focus: #f0a083;
    --shadow: 0 24px 65px -34px rgba(0, 0, 0, 0.9);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(1000px 500px at 96% -10%, var(--accent-soft), transparent 68%),
    radial-gradient(800px 500px at -10% 108%, var(--surface-2), transparent 62%);
  background-repeat: no-repeat;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

svg {
  display: block;
}

img {
  max-width: 100%;
}

[hidden],
.hidden,
.is-hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:where(a, button, input, textarea, select):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

#app-title:focus,
#auth-title:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: 12px;
  inset-inline-start: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--on-accent);
  background: var(--accent);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms var(--ease);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
  padding: 12px clamp(16px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}

.brand__mark {
  width: 38px;
  height: 38px;
  overflow: visible;
}

.brand__ring {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.2;
  stroke-linecap: round;
}

.brand__page {
  stroke-width: 1.15;
  stroke-linejoin: round;
}

.brand__page--pine {
  fill: var(--surface-2);
  stroke: var(--secondary);
}

.brand__page--gold {
  fill: var(--surface);
  stroke: var(--muted);
}

.brand__page--paper {
  fill: var(--surface);
  stroke: var(--accent);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.session-email {
  max-width: 280px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
  transition:
    color 150ms var(--ease),
    border-color 150ms var(--ease),
    background-color 150ms var(--ease);
}

.icon-button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition:
    color 150ms var(--ease),
    border-color 150ms var(--ease),
    background-color 150ms var(--ease);
}

.button--primary {
  border-color: var(--accent);
  color: var(--on-accent);
  background: var(--accent);
}

.button--primary:hover {
  filter: brightness(0.94);
}

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

.button--quiet:hover {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.button--ghost {
  min-height: 38px;
  padding-inline: 12px;
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}

.button--ghost:hover {
  background: var(--surface-2);
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

main {
  width: min(100%, 1360px);
  margin-inline: auto;
  padding: clamp(24px, 4vw, 56px) clamp(16px, 3.4vw, 48px) 64px;
}

main:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -4px;
}

.status {
  min-height: 0;
  margin-block: 0 14px;
  color: var(--muted);
  font-size: 0.84rem;
}

.status:empty {
  display: none;
}

.global-message {
  margin-block-end: 20px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--surface);
  font-size: 0.86rem;
}

.global-message--error {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.global-message--success {
  border-color: var(--secondary);
}

.eyebrow {
  margin-block-end: 7px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.auth-view {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  padding-block: clamp(18px, 4vw, 52px);
}

.auth-intro {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  padding-block-start: 12px;
}

.auth-intro h1 {
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.96;
  text-wrap: balance;
}

.lede {
  max-width: 42ch;
  margin-block-start: 22px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.intro-points {
  display: grid;
  gap: 7px;
  margin: 24px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.84rem;
  list-style: none;
}

.intro-points li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.intro-points li::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.auth-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.panel {
  min-width: 0;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--surface);
}

.panel h2 {
  margin-block-end: 17px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.auth-panels .panel {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.verify-panel {
  grid-column: 1 / -1;
}

.verify-panel form {
  display: grid;
  gap: 13px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.35;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--surface);
  font-size: 0.9rem;
  line-height: 1.5;
  transition:
    border-color 150ms var(--ease),
    background-color 150ms var(--ease);
}

input {
  min-height: 42px;
  padding: 8px 12px;
}

textarea {
  min-height: 240px;
  padding: 12px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  tab-size: 2;
}

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

input:focus-visible,
textarea:focus-visible {
  border-color: var(--focus);
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.form-error,
.form-success {
  margin: 0;
  padding: 9px 11px;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.5;
}

.form-error {
  border: 1px solid var(--danger);
  color: var(--danger);
  background: var(--danger-soft);
}

.form-success {
  border: 1px solid var(--secondary);
  color: var(--secondary);
  background: var(--surface-2);
}

.auth-view .button {
  align-self: flex-start;
}

.app-view {
  padding-block-start: 4px;
}

.workspace-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-block-end: 22px;
}

.workspace-heading h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 3.3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
}

.workspace-heading .status {
  margin-block: 0;
  text-align: end;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.6fr);
  gap: 16px;
  align-items: start;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-block-end: 14px;
}

.panel-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.projects-panel {
  position: sticky;
  top: calc(var(--header-h) + 14px);
}

.project-list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.project-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  width: 100%;
  min-height: 48px;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  color: var(--ink);
  background: transparent;
  font: inherit;
  text-align: start;
  cursor: pointer;
}

.project-item:hover {
  border-color: var(--line);
  background: var(--surface-2);
}

.project-item[aria-current="true"] {
  border-color: var(--line);
  background: var(--surface-2);
}

.project-item__name {
  overflow: hidden;
  font-size: 0.86rem;
  font-weight: 620;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-item__when {
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
  white-space: nowrap;
}

.project-item__preview {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-state {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.editor-panel {
  min-height: 500px;
}

.badge {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-2);
  font-size: 0.69rem;
  font-weight: 650;
  line-height: 1.4;
  white-space: nowrap;
}

.editor-panel form {
  display: grid;
  gap: 15px;
}

.editor-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.site-footer {
  width: min(100%, 1360px);
  margin-inline: auto;
  padding: 22px clamp(16px, 3.4vw, 48px) 34px;
  color: var(--muted);
  font-size: 0.73rem;
}

.no-js {
  width: min(100%, 760px);
  margin: 0 auto 24px;
  padding: 14px 18px;
  border: 1px solid var(--danger);
  border-radius: var(--radius-control);
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 0.85rem;
}

@media (max-width: 960px) {
  .auth-view {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-block-start: 8px;
  }

  .auth-intro {
    position: static;
    padding-block-start: 0;
  }

  .auth-intro h1 {
    max-width: 15ch;
  }

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

  .projects-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px 14px;
  }

  .header-actions {
    margin-inline-start: auto;
  }

  .session-email {
    order: -1;
    width: 100%;
    max-width: none;
    text-align: end;
  }

  main {
    padding-block-start: 24px;
  }

  .auth-panels {
    grid-template-columns: minmax(0, 1fr);
  }

  .verify-panel {
    grid-column: auto;
  }

  .auth-intro h1 {
    font-size: clamp(2.6rem, 13vw, 3.8rem);
  }

  .workspace-heading {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .workspace-heading .status {
    text-align: start;
  }

  .panel-heading {
    align-items: flex-start;
  }

  textarea {
    min-height: 220px;
  }

  .editor-actions {
    justify-content: stretch;
  }

  .editor-actions .button {
    flex: 1 1 auto;
  }
}

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

  .skip-link {
    transition: none;
  }
}