:root {
  color-scheme: dark;
  --bg: #000000;
  --bg-glow: rgba(255, 255, 255, 0.05);
  --panel: #090909;
  --panel-soft: #111111;
  --panel-elevated: #151515;
  --text: #f4f4ef;
  --muted: #a0a099;
  --line: #242424;
  --line-strong: #363636;
  --accent: #f4f4ef;
  --accent-contrast: #000000;
  --accent-soft: #181818;
  --success: #2f8f6b;
  --warning: #c98b18;
  --danger: #c05a5a;
  --info: #5b8def;
  --input: #0d0d0d;
  --max-width: 980px;
  --radius: 18px;
  --shadow: 0 0 0 1px var(--line);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f5f2;
  --bg-glow: rgba(0, 0, 0, 0.03);
  --panel: #ffffff;
  --panel-soft: #fbfbf8;
  --panel-elevated: #f3f3ef;
  --text: #111111;
  --muted: #666660;
  --line: #ddddda;
  --line-strong: #c8c8c4;
  --accent: #111111;
  --accent-contrast: #ffffff;
  --accent-soft: #efefea;
  --input: #ffffff;
  --shadow: 0 0 0 1px var(--line);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  background:
    radial-gradient(circle at top, var(--bg-glow), transparent 40%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

code,
.mono,
.brand-domain,
.route-path,
.small-path {
  font-family: "IBM Plex Mono", monospace;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.4rem 0 3rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.site-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.brand-block {
  display: grid;
  gap: 0.35rem;
}

.brand {
  display: inline-grid;
  gap: 0.2rem;
}

.brand-domain {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-name {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-note,
.lead,
.body-copy,
.small,
.footer-copy,
.route-desc,
.meta-list li,
.form-status,
.meta-muted,
.empty-state {
  color: var(--muted);
  line-height: 1.65;
}

.icon-button,
.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.icon-button {
  width: 44px;
  min-width: 44px;
  padding: 0;
  border-radius: 999px;
  background: var(--panel-soft);
}

.icon-button span {
  font-size: 1rem;
  line-height: 1;
}

.button,
.button-secondary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  font-weight: 600;
}

.button-secondary {
  background: var(--panel-elevated);
  color: var(--text);
  border-color: var(--line-strong);
}

.icon-button:hover,
.icon-button:focus-visible,
.button:hover,
.button:focus-visible,
.button-secondary:hover,
.button-secondary:focus-visible,
.nav-list a:hover,
.nav-list a:focus-visible,
.route-link:hover,
.route-link:focus-visible,
.social-card:hover,
.social-card:focus-visible {
  border-color: var(--accent);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
}

.nav-panel {
  margin-bottom: 1rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.nav-list a[data-active="true"] {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-title {
  margin: 0;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.section-title {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.intro-panel {
  padding: 1.35rem;
}

.intro-split,
.page-grid,
.about-layout,
.admin-grid,
.social-grid {
  display: grid;
  gap: 1rem;
}

.intro-split {
  grid-template-columns: minmax(0, 1.3fr) 220px;
  align-items: center;
}

.intro-copy .lead {
  margin: 0.9rem 0 0;
  max-width: 60ch;
}

.visual-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel-soft);
}

.visual-card img {
  width: 100%;
  height: auto;
}

.page-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.8fr);
}

.route-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.8rem;
}

.route-link,
.social-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
}

.route-media {
  width: 132px;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.route-text {
  display: grid;
  gap: 0.2rem;
}

.route-text strong,
.social-card strong {
  font-size: 1rem;
  font-weight: 600;
}

.route-path,
.route-action,
.link-status {
  font-size: 0.86rem;
  color: var(--muted);
}

.field-grid {
  display: grid;
  gap: 1rem;
}

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

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

.field span,
.field label {
  font-size: 0.94rem;
  font-weight: 600;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--input);
  color: var(--text);
  outline: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field-full {
  grid-column: 1 / -1;
}

.inline-checkbox {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.inline-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  flex: 0 0 auto;
}

.inline-checkbox span {
  font-weight: 500;
  line-height: 1.6;
}

.inline-actions,
.form-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
}

.meta-list {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
}

.meta-list li + li {
  margin-top: 0.45rem;
}

.callout {
  margin-top: 0.9rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line-strong);
}

.privacy-note {
  margin: 0;
}

.countdown {
  font-weight: 600;
}

.is-disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.about-layout {
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
}

.about-photo {
  overflow: hidden;
}

.about-copy {
  display: grid;
  gap: 1rem;
}

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

.social-card {
  grid-template-columns: 1fr;
  align-items: start;
}

.social-card .route-media {
  width: 100%;
}

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

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.submission-list {
  display: grid;
  gap: 1rem;
}

.submission-card {
  display: grid;
  gap: 1rem;
}

.submission-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.submission-copy {
  display: grid;
  gap: 0.45rem;
}

.submission-copy h2 {
  margin: 0;
  font-size: 1.1rem;
}

.submission-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  font-size: 0.8rem;
}

.badge-status {
  white-space: nowrap;
}

.badge-new {
  border-color: rgba(91, 141, 239, 0.35);
  color: var(--info);
}

.badge-in_progress {
  border-color: rgba(201, 139, 24, 0.35);
  color: var(--warning);
}

.badge-done {
  border-color: rgba(47, 143, 107, 0.35);
  color: var(--success);
}

.badge-archived {
  border-color: rgba(160, 160, 153, 0.35);
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
}

.detail-item {
  display: grid;
  gap: 0.25rem;
}

.detail-item span {
  color: var(--muted);
  font-size: 0.82rem;
}

.detail-item strong {
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

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

.empty-state {
  text-align: center;
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .intro-split,
  .page-grid,
  .about-layout,
  .social-grid,
  .filter-grid,
  .detail-grid,
  .admin-edit-grid {
    grid-template-columns: 1fr;
  }

  .route-link {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .route-media {
    width: 100%;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
  }

  .site-header,
  .site-footer,
  .field-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .nav-list {
    justify-content: flex-start;
  }
}