:root {
  color-scheme: light;
  --bridge-bg: #f6f7f8;
  --bridge-panel: #ffffff;
  --bridge-text: #1d1f23;
  --bridge-muted: #686f77;
  --bridge-subtle: #8a929b;
  --bridge-border: #d9dde2;
  --bridge-accent: #235c6f;
  --bridge-danger: #8a3434;
  --bridge-space-2: 8px;
  --bridge-space-3: 12px;
  --bridge-space-4: 16px;
  --bridge-space-5: 20px;
  --bridge-space-6: 24px;
  --bridge-space-8: 32px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

html {
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  color: var(--bridge-text);
  background: var(--bridge-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.bridge-page {
  min-height: 100vh;
  display: grid;
  align-items: start;
  justify-items: center;
  padding: clamp(28px, 7vh, 72px) 16px 32px;
}

.bridge-shell { width: min(100%, 560px); }

.session-card { min-block-size: 320px; }

.session-card--compact {
  min-block-size: auto;
  padding-block: var(--bridge-space-3);
}

.session-card,
.package-card {
  padding: var(--bridge-space-6);
  background: var(--bridge-panel);
  border: 1px solid var(--bridge-border);
  border-radius: 8px;
}

.session-card + .package-card,
.package-card + .package-card {
  margin-top: var(--bridge-space-3);
}

.stack,
.form-stack,
.status-stack {
  display: grid;
}

.stack { gap: var(--bridge-space-4); }

.form-stack { gap: var(--bridge-space-3); }

.status-stack { gap: var(--bridge-space-2); }

.bridge-title,
.screen-title,
.package-title {
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0;
}

.bridge-title { font-size: 1.45rem; }

.screen-title,
.package-title {
  font-size: 1.2rem;
}

.bridge-copy,
.muted-text,
.error-text,
.status-line {
  margin: 0;
}

.bridge-copy,
.muted-text {
  color: var(--bridge-muted);
}

.bridge-copy { margin: var(--bridge-space-3) 0 0; }

.code-input,
.code-display,
.device-link,
.qr-placeholder,
.status-line {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0;
}

.code-input {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  color: var(--bridge-text);
  background: #ffffff;
  border: 1px solid var(--bridge-border);
  border-radius: 6px;
}

.text-input {
  min-height: 80px;
  resize: vertical;
  padding: 10px 11px;
  color: var(--bridge-text);
  background: #ffffff;
  border: 1px solid var(--bridge-border);
  border-radius: 6px;
}

.package-drop-form {
  display: grid;
  gap: var(--bridge-space-3);
  justify-items: center;
  min-block-size: 112px;
  padding: var(--bridge-space-5);
  border: 1px dashed var(--bridge-border);
  border-radius: 8px;
  background: #fbfbfc;
  text-align: center;
}

.package-drop-title { margin: 0; }

.package-file-label {
  display: inline-grid;
  place-items: center;
  min-width: 168px;
  font-weight: 600;
  border-color: #b8c0c8;
  text-align: center;
}

.package-file-label:hover,
.package-file-label:focus-within {
  background: #f1f4f6;
}

.package-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.package-inline-action { justify-self: start; }

.package-items {
  display: grid;
  gap: var(--bridge-space-2);
}

.text-item-form {
  padding: var(--bridge-space-4);
  border: 1px solid var(--bridge-border);
  border-radius: 8px;
}

.code-display {
  margin: 0;
  font-size: 2.15rem;
  line-height: 1.1;
}

.code-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bridge-space-3);
  align-items: center;
  margin-top: var(--bridge-space-2);
}

.code-copy-action { min-height: 36px; }

.qr-placeholder {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  color: var(--bridge-muted);
  border: 1px solid var(--bridge-border);
  border-radius: 6px;
}

.status-line,
.item-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--bridge-space-4);
  align-items: center;
}

.device-link {
  display: grid;
  grid-template-columns: max-content minmax(72px, 1fr) max-content;
  gap: var(--bridge-space-3);
  align-items: center;
}

.device-line {
  height: 1px;
  background: var(--bridge-accent);
}

.device-gap {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 28px 1fr;
  align-items: center;
}

.device-gap-line {
  display: block;
  height: 1px;
  background: var(--bridge-muted);
}

.item-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.item-row {
  padding: 10px 0;
  border-top: 1px solid var(--bridge-border);
}

.item-kind {
  color: var(--bridge-subtle);
  font-size: 0.92rem;
}

.item-kind::before {
  content: "· ";
}

.receive-item-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.receive-item-row > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.receive-item-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--bridge-space-2);
  justify-content: end;
}

.receive-item-actions .primary-action {
  min-height: 34px;
  padding: 6px 10px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--bridge-space-3);
}

.primary-action,
.secondary-action {
  min-height: 40px;
  padding: 8px 13px;
  border-radius: 6px;
  cursor: pointer;
}

.primary-action {
  color: #ffffff;
  background: var(--bridge-accent);
  border: 1px solid var(--bridge-accent);
}

.primary-action:disabled {
  opacity: 0.55;
  cursor: default;
}

.secondary-action {
  color: var(--bridge-text);
  background: #ffffff;
  border: 1px solid var(--bridge-border);
}

.debug-action {
  justify-self: start;
  min-height: 32px;
  padding: 5px 9px;
  color: var(--bridge-muted);
  font-size: 0.86rem;
}

.link-action {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.error-text { color: var(--bridge-danger); }

@media (max-width: 420px) {
  .bridge-page {
    padding: 16px;
  }

  .session-card,
  .package-card {
    padding: var(--bridge-space-5, 20px);
  }

  .session-card {
    min-block-size: 300px;
  }

  .session-card--compact {
    min-block-size: auto;
  }

  .receive-item-row {
    grid-template-columns: 1fr;
    align-items: start;
    gap: var(--bridge-space-2);
  }

  .receive-item-actions {
    justify-content: start;
  }
}