:root {
  --ink: #17372e;
  --ink-muted: #61736d;
  --paper: #e8dfca;
  --paper-bright: #f7f1e5;
  --paper-deep: #d5c8aa;
  --ember: #d45132;
  --sun: #f3b13f;
  --blue: #255f77;
  --line: rgba(23, 55, 46, 0.2);
  --shadow: 0 24px 70px rgba(52, 44, 27, 0.14);
  color-scheme: light;
  font-family: "Aptos", "Trebuchet MS", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

* { box-sizing: border-box; }

html { min-height: 100%; overflow-x: hidden; background: var(--paper); }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 83% 5%, rgba(243, 177, 63, 0.34), transparent 25rem),
    radial-gradient(circle at 18% 90%, rgba(37, 95, 119, 0.16), transparent 32rem),
    var(--paper);
}

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

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(23, 55, 46, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 55, 46, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.app-shell { position: relative; display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: 100vh; }

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 2rem 1.35rem 1.5rem;
  border-right: 1px solid var(--line);
  background: rgba(232, 223, 202, 0.7);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: 0.75rem; color: inherit; text-decoration: none; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 2.7rem;
  aspect-ratio: 1;
  border-radius: 50% 50% 42% 58%;
  background: var(--ink);
  color: var(--paper-bright);
  font: 700 1.25rem/1 "Bahnschrift", "Arial Narrow", sans-serif;
  transform: rotate(-7deg);
}
.brand__word { font: 700 1.45rem/1 "Bahnschrift", "Arial Narrow", sans-serif; letter-spacing: -0.04em; }

.rail__nav { display: grid; gap: 0.4rem; }
.nav-item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  width: 100%;
  padding: 0.75rem 0.4rem;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--ink-muted);
}
.nav-item:hover, .nav-item.is-active { color: var(--ink); border-color: var(--ink); }
.nav-item__index { font: 600 0.65rem/1 "Bahnschrift", sans-serif; color: var(--ember); }

.rail__status { margin-top: auto; display: flex; align-items: center; gap: 0.55rem; font-size: 0.78rem; color: var(--ink-muted); }
.status-dot { width: 0.55rem; aspect-ratio: 1; border-radius: 50%; background: #4e8b65; box-shadow: 0 0 0 5px rgba(78, 139, 101, 0.12); }

.workspace { width: min(100%, 1440px); padding: clamp(1.4rem, 4vw, 4rem); }
.topline { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; margin-bottom: 2.5rem; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  margin: 0.55rem 0 0;
  font: 680 clamp(3rem, 7.5vw, 7.5rem)/0.86 "Bahnschrift", "Arial Narrow", sans-serif;
  letter-spacing: -0.065em;
  text-wrap: balance;
}
h2 { margin-bottom: 0; font: 680 clamp(2.5rem, 5vw, 5.5rem)/0.9 "Bahnschrift", sans-serif; letter-spacing: -0.055em; }
h3 { margin-bottom: 0.5rem; font: 650 1.6rem/1 "Bahnschrift", sans-serif; letter-spacing: -0.035em; }
.eyebrow { font: 650 0.66rem/1.2 "Bahnschrift", sans-serif; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ember); }

.owner-chip { min-width: 10rem; padding-top: 0.25rem; text-align: right; }
.owner-chip__label { display: block; margin-bottom: 0.35rem; font-size: 0.72rem; color: var(--ink-muted); }
.owner-chip strong { font: 600 1rem/1 "Bahnschrift", sans-serif; }

.view { display: none; animation: reveal 420ms ease both; }
.view.is-active { display: block; }
@keyframes reveal { from { opacity: 0; transform: translateY(12px); } }

.hero-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.4rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.hero-strip p { max-width: 710px; margin: 0; font: 400 clamp(1.1rem, 2vw, 1.65rem)/1.25 Georgia, serif; }
.hero-strip__stamp { font: 600 0.62rem/1 "Bahnschrift", sans-serif; letter-spacing: 0.13em; writing-mode: vertical-rl; }

.module-stage, .module-host { min-width: 0; }
.module-frame-host { display: block; width: 100%; min-height: 220px; border: 0; background: transparent; }
.module-frame { min-height: 0; background: transparent; }
.module-frame html { min-height: 0; background: transparent; }
.module-frame #module-root { min-width: 0; }
.loading-card, .empty-state, .error-card {
  min-height: 220px;
  display: grid;
  place-content: center;
  justify-items: center;
  padding: 2rem;
  border: 1px dashed var(--line);
  background: rgba(247, 241, 229, 0.5);
  text-align: center;
}
.loading-card span { width: 2rem; aspect-ratio: 1; border: 2px solid var(--line); border-top-color: var(--ember); border-radius: 50%; animation: spin 800ms linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }

.media-surface { display: grid; gap: 3.5rem; }
.media-lane__heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.media-lane__title { margin-top: 0.38rem; }
.media-count { display: grid; place-items: center; width: 3.2rem; aspect-ratio: 1; border: 1px solid var(--ink); border-radius: 50%; font: 600 1.1rem/1 "Bahnschrift", sans-serif; }
.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 1rem; }
.media-card {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(220px, 0.9fr) auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px 26px 2px 2px;
  background: var(--paper-bright);
  box-shadow: var(--shadow);
}
.media-card__visual { min-height: 220px; display: grid; place-items: center; overflow: hidden; background: #d6d0be; }
.media-card__visual img { width: 100%; height: 100%; max-height: 440px; object-fit: cover; }
.media-card__placeholder { color: var(--ink-muted); font-family: Georgia, serif; font-style: italic; }
.media-card__body { display: grid; gap: 0.8rem; padding: 1.15rem; }
.media-card__source { font: 650 1.15rem/1 "Bahnschrift", sans-serif; }
.media-card__reason { min-height: 2.6em; margin: 0; color: var(--ink-muted); font: 400 0.92rem/1.4 Georgia, serif; }
.media-card__meta, .capability-list { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.pill, .capability-list span { padding: 0.3rem 0.5rem; border: 1px solid var(--line); border-radius: 999px; font-size: 0.68rem; color: var(--ink-muted); }
.pill--signal { color: var(--blue); border-color: rgba(37, 95, 119, 0.35); }
.media-card__actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.45rem; padding-top: 0.25rem; }
.media-action, .quiet-button, .icon-button, .artifact-open-link {
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0.7rem 0.8rem;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.media-action:hover, .quiet-button:hover { transform: translateY(-2px); }
.media-action--strong { background: var(--ink); color: var(--paper-bright); }
.media-action--accent { background: var(--sun); }
.media-action:disabled, button:disabled { opacity: 0.5; cursor: wait; }

.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 2rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--ink); }
.module-manager { display: grid; gap: 0.7rem; }
.module-control { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: 1.4rem; border-bottom: 1px solid var(--line); background: rgba(247, 241, 229, 0.4); }
.module-control__copy p { max-width: 620px; margin-bottom: 0.8rem; color: var(--ink-muted); }
.module-toggle { display: grid; justify-items: center; gap: 0.45rem; min-width: 7rem; border: 0; background: transparent; cursor: pointer; }
.module-toggle > span { position: relative; width: 3.8rem; height: 2rem; border: 1px solid var(--ink); border-radius: 999px; background: var(--paper-deep); }
.module-toggle > span::after { content: ""; position: absolute; top: 0.22rem; left: 0.25rem; width: 1.42rem; aspect-ratio: 1; border-radius: 50%; background: var(--ink); transition: transform 180ms ease; }
.module-toggle.is-on > span { background: #a9c4aa; }
.module-toggle.is-on > span::after { transform: translateX(1.75rem); }
.module-toggle strong { font-size: 0.72rem; }

.artifact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); gap: 1rem; }
.artifact-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 2px 2px 34px 2px;
  background: var(--paper-bright);
  text-align: left;
  cursor: pointer;
  animation: artifact-in 400ms calc(var(--artifact-index) * 70ms) ease both;
}
@keyframes artifact-in { from { opacity: 0; transform: translateY(14px) rotate(0.5deg); } }
.artifact-card strong { margin-top: auto; font: 650 1.65rem/1 "Bahnschrift", sans-serif; letter-spacing: -0.04em; }
.artifact-card p { margin: 0.7rem 0; color: var(--ink-muted); font-family: Georgia, serif; }
.artifact-card__meta { font-size: 0.68rem; color: var(--ink-muted); }

.artifact-dialog { width: min(1100px, calc(100vw - 2rem)); height: min(820px, calc(100vh - 2rem)); padding: 0; border: 1px solid var(--ink); background: var(--paper-bright); box-shadow: var(--shadow); }
.artifact-dialog::backdrop { background: rgba(15, 35, 29, 0.7); backdrop-filter: blur(8px); }
.artifact-dialog__bar { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); }
.artifact-dialog__bar strong { display: block; margin-top: 0.3rem; }
.icon-button { padding: 0; width: 2.5rem; aspect-ratio: 1; border-radius: 50%; font-size: 1.4rem; }
.artifact-viewer { height: calc(100% - 72px); display: grid; place-items: center; background: #d6d0be; }
.artifact-viewer iframe, .artifact-viewer img { width: 100%; height: 100%; border: 0; object-fit: contain; background: white; }
.artifact-open-link { color: var(--ink); text-decoration: none; background: var(--sun); }

.notice { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 20; max-width: min(390px, calc(100vw - 2.4rem)); padding: 0.85rem 1rem; background: var(--ink); color: white; box-shadow: var(--shadow); transform: translateY(140%); transition: transform 220ms ease; }
.notice.is-visible { transform: translateY(0); }
.notice[data-tone="error"] { background: #8f2f28; }
.notice[data-tone="success"] { background: var(--blue); }

@media (max-width: 720px) {
  .app-shell { display: block; padding-bottom: calc(5rem + env(safe-area-inset-bottom)); }
  .rail { position: fixed; z-index: 10; top: auto; bottom: 0; width: 100%; height: auto; flex-direction: row; align-items: center; gap: 0.5rem; padding: 0.65rem 0.8rem calc(0.65rem + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); border-right: 0; }
  .brand__word, .rail__status { display: none; }
  .brand__mark { width: 2.25rem; }
  .rail__nav { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.1rem; }
  .nav-item { grid-template-columns: 1fr; justify-items: center; gap: 0.2rem; padding: 0.35rem; border: 0; font-size: 0.7rem; }
  .nav-item__index { font-size: 0.55rem; }
  .workspace { padding: 1.15rem; }
  .topline { display: block; margin-bottom: 1.5rem; }
  .owner-chip { margin-top: 1rem; text-align: left; }
  h1 { font-size: clamp(3rem, 15vw, 5.2rem); }
  .hero-strip { grid-template-columns: 1fr; gap: 1rem; }
  .hero-strip__stamp { writing-mode: horizontal-tb; }
  .media-grid { display: flex; gap: 0.8rem; margin-inline: -1.15rem; padding-inline: 1.15rem; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .media-card { flex: 0 0 min(84vw, 340px); scroll-snap-align: start; }
  .module-control { grid-template-columns: 1fr; gap: 1rem; }
  .module-toggle { justify-items: start; }
  .section-heading { align-items: center; }
  .artifact-dialog { width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; border: 0; }
}

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