:root {
  --proof-bg: #f4efe4;
  --proof-bg-strong: #fbf7ef;
  --proof-panel: rgba(255, 255, 255, 0.94);
  --proof-panel-soft: #fffdf8;
  --proof-ink: #1f2937;
  --proof-muted: #667085;
  --proof-accent: #c7562e;
  --proof-accent-strong: #8f3418;
  --proof-stroke: rgba(103, 79, 45, 0.14);
  --proof-shadow: 0 20px 50px rgba(72, 53, 29, 0.1);
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(199, 86, 46, 0.14), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(72, 99, 77, 0.12), transparent 24%),
    linear-gradient(180deg, #fcfaf5 0%, var(--proof-bg) 100%);
  color: var(--proof-ink);
}

body[data-mode] {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body[data-theme="atlas"] {
  background:
    radial-gradient(circle at top left, rgba(36, 87, 183, 0.12), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #edf2fb 100%);
}

body[data-theme="copper"] {
  background:
    radial-gradient(circle at top left, rgba(199, 86, 46, 0.14), transparent 28%),
    linear-gradient(180deg, #fff8ef 0%, #f7ebda 100%);
}

body[data-theme="emerald"] {
  background:
    radial-gradient(circle at top left, rgba(49, 130, 102, 0.12), transparent 28%),
    linear-gradient(180deg, #f2fbf6 0%, #e6f7ef 100%);
}

body[data-theme="iris"] {
  background:
    radial-gradient(circle at top left, rgba(95, 68, 181, 0.12), transparent 28%),
    linear-gradient(180deg, #faf8ff 0%, #f0ebff 100%);
}

a {
  color: var(--proof-accent-strong);
}

.page-shell,
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

body[data-mode] .page {
  flex: 1;
  width: min(1280px, calc(100vw - 48px));
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
}

.panel,
.launcher,
.intro-panel {
  background: var(--proof-panel);
  border: 1px solid var(--proof-stroke);
  border-radius: 20px;
  box-shadow: var(--proof-shadow);
}

.panel {
  padding: 24px;
}

.intro-panel h1,
.launcher h2,
.intro h1 {
  margin-top: 0;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.meta-item {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--proof-panel-soft);
  border: 1px solid rgba(103, 79, 45, 0.1);
}

.meta-item strong,
.meta-item code {
  display: block;
}

.launcher {
  padding: 24px;
}

.field-grid,
.single-xapp-inline {
  display: grid;
  gap: 16px;
  margin: 16px 0;
}

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

label,
.single-xapp-field {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  border-radius: 12px;
  border: 1px solid rgba(24, 40, 70, 0.18);
  padding: 10px 12px;
  background: #fff;
}

.modes {
  display: grid;
  gap: 12px;
}

.mode-option {
  display: block;
}

.mode-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-card {
  display: block;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(103, 79, 45, 0.14);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.95), rgba(249, 243, 233, 0.9));
}

.mode-option input:checked + .mode-card {
  border-color: rgba(199, 86, 46, 0.52);
  background: #fff4ee;
}

.mode-card strong {
  display: block;
  margin-bottom: 6px;
}

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  background: linear-gradient(135deg, var(--proof-accent) 0%, #dc7148 100%);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(199, 86, 46, 0.18);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.secondary-link,
.ghost-link,
.mode-link {
  text-decoration: none;
  color: var(--proof-accent-strong);
}

.status {
  margin-top: 14px;
  color: var(--proof-muted);
}

.status.error {
  color: #a12f2f;
}

.identity {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--proof-panel-soft);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding: 16px 18px;
  background: var(--proof-panel);
  border: 1px solid var(--proof-stroke);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(77, 59, 32, 0.08);
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-subtitle {
  color: var(--proof-muted);
}

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

.pill {
  padding: 8px 10px;
  border-radius: 999px;
  background: #fffaf3;
  border: 1px solid rgba(103, 79, 45, 0.1);
}

.mode-switch {
  display: flex;
  gap: 8px;
  align-items: center;
}

.mode-btn,
.mode-link,
.topbar-toggle {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid rgba(103, 79, 45, 0.14);
  background: rgba(255, 255, 255, 0.9);
  color: #4b3c31;
}

.mode-btn.is-active {
  background: linear-gradient(135deg, var(--proof-accent) 0%, #dc7148 100%);
  color: #fff;
}

.workspace {
  display: grid;
  gap: 18px;
}

body[data-mode] .workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

body[data-mode] .intro {
  flex: 0 0 auto;
}

body[data-mode] #mode-shell {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.main-layout {
  display: grid;
  grid-template-columns: minmax(340px, 420px) 1fr;
  gap: 18px;
}

body[data-mode] .main-layout,
body[data-mode] .main-content {
  flex: 1;
  min-height: 0;
}

body[data-mode] .main-layout {
  grid-template-rows: minmax(0, 1fr);
}

body[data-mode] .main-content {
  display: flex;
}

.sidebar,
.content,
.main-content .panel {
  background: #fff;
  border: 1px solid rgba(25, 47, 82, 0.12);
  border-radius: 18px;
  padding: 16px;
  min-height: 0;
}

body[data-mode] .sidebar,
body[data-mode] .content,
body[data-mode] .main-content .panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body[data-mode] .main-content .panel {
  flex: 1;
}

body[data-mode] .sidebar-scroll {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

body[data-mode] #catalog,
body[data-mode] #widget {
  width: 100%;
  flex: 1;
  min-height: 0;
  height: 100%;
  border-radius: 14px;
  overflow: hidden;
  background: #f7f9fd;
  border: 1px solid rgba(24, 40, 70, 0.08);
}

body[data-mode] #catalog iframe,
body[data-mode] #widget iframe {
  width: 100% !important;
  height: 100% !important;
  border: 0 !important;
  display: block;
}

.title {
  margin-bottom: 12px;
  font-weight: 700;
}

.placeholder {
  min-height: 240px;
  display: grid;
  place-items: center;
  color: #60708a;
  text-align: center;
}

body[data-mode] .placeholder {
  min-height: 100%;
  padding: 20px;
}

.host-modal-backdrop {
  display: none;
}

.host-modal-backdrop[aria-hidden="false"] {
  display: grid;
  place-items: center;
  position: fixed;
  inset: 0;
  background: rgba(15, 24, 40, 0.38);
}

.host-modal-card {
  width: min(560px, calc(100vw - 32px));
  background: #fff;
  border-radius: 18px;
  padding: 20px;
}

.toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
}

@media (max-width: 980px) {
  .hero,
  .field-grid,
  .main-layout {
    grid-template-columns: 1fr;
  }

  body[data-mode] {
    overflow: auto;
  }

  body[data-mode] .page {
    width: auto;
    min-height: auto;
  }

  body[data-mode] .main-layout {
    grid-template-rows: minmax(320px, 1fr) minmax(220px, 0.72fr);
  }
}