/* Hallmark · genre: modern-minimal · macrostructure: Workbench · tone: utilitarian · anchor hue: cobalt
 * structure: chat ledger · material tools · fixed composer · mobile-first density
 * pre-emit critique: P5 H5 E5 S5 R5 V5
 */
* { box-sizing: border-box; }
html, body {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  overflow: clip;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}
html { background: var(--color-paper); }
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, textarea, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; user-select: none; }
svg { display: block; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.75; }
::selection { background: var(--color-accent-soft); color: var(--color-ink); }

#app {
  position: fixed;
  inset-inline-start: var(--app-left, 0px);
  inset-inline-end: auto;
  top: var(--app-top, 0px);
  width: var(--app-width, 100vw);
  height: var(--app-height, 100dvh);
  min-height: 0;
  margin-inline: auto;
  overflow: clip;
  padding: 0 max(var(--space-md), env(safe-area-inset-right)) max(var(--space-md), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left));
}
.screen { display: none; min-width: 0; }
.screen.active { display: block; }
.detail-screen.active {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: clip;
  overscroll-behavior: none;
}
.detail-body {
  min-height: 0;
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding-block-end: var(--space-xl);
  scrollbar-gutter: stable;
}
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

h1, h2, h3 { margin: 0; color: var(--color-ink); font-family: var(--font-display); font-style: normal; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: var(--text-display); font-weight: 650; line-height: .95; letter-spacing: -.055em; }
h2 { font-size: var(--text-xl); font-weight: 650; line-height: 1.2; letter-spacing: -.025em; }
.lead { max-width: 38rem; margin: var(--space-sm) 0 0; color: var(--color-ink-2); }
.muted, small { color: var(--color-muted); }

/* Boot */
.boot-screen { padding-block-start: 34dvh; text-align: center; }
.boot-screen .lead { margin: var(--space-md) 0 var(--space-2xs); font-weight: 650; }
.boot-mark { display: flex; justify-content: center; gap: var(--space-2xs); height: 1rem; }
.boot-mark span { width: .2rem; height: 1rem; background: var(--color-accent); animation: boot 800ms var(--ease-in-out) infinite alternate; }
.boot-mark span:nth-child(2) { animation-delay: 120ms; }
.boot-mark span:nth-child(3) { animation-delay: 240ms; }
@keyframes boot { to { opacity: .25; transform: scaleY(.45); } }

/* Home: session workbench */
.home-screen.active {
  height: 100%;
  min-height: 0;
  overflow: clip;
  overscroll-behavior: none;
  padding-block-start: max(var(--space-md), env(safe-area-inset-top));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  gap: var(--space-sm);
}
.home-intro { min-height: 2.25rem; display: flex; align-items: center; }
.home-intro h1 { font-size: var(--text-xl); line-height: 1; letter-spacing: -.035em; }
.session-index {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: clip;
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.session-index__head { min-height: 2.75rem; padding-inline: var(--space-md); display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); border-block-end: var(--rule-hairline) solid var(--color-rule); }
.session-index__head strong { font-size: var(--text-sm); }
.session-count { color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.session-list { min-height: 0; display: grid; align-content: start; overflow-x: clip; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.session-loading { margin: 0; padding: var(--space-md); color: var(--color-muted); }
.session-empty { min-height: 100%; padding: var(--space-xl) var(--space-md); display: grid; place-content: center; gap: var(--space-xs); color: var(--color-muted); text-align: center; }
.session-empty strong { color: var(--color-ink-2); }
.session-row { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; border-block-end: var(--rule-hairline) solid var(--color-rule); }
.session-open {
  width: 100%;
  min-width: 0;
  min-height: 4.25rem;
  padding: var(--space-sm) var(--space-md);
  display: grid;
  align-content: center;
  gap: var(--space-3xs);
  border: 0;
  background: transparent;
  color: var(--color-ink);
  text-align: start;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.session-open strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.session-open small { overflow: hidden; color: var(--color-muted); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }
.session-remove { width: 2.75rem; min-height: 2.75rem; align-self: center; margin-inline-end: var(--space-xs); border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--color-muted); cursor: pointer; font-size: var(--text-lg); }
.session-confirm { grid-column: 1 / -1; padding: var(--space-sm) var(--space-md); display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: var(--space-xs); background: var(--color-danger-soft); color: var(--color-danger); font-size: var(--text-sm); }
.session-confirm .btn { min-height: 2.75rem; padding: var(--space-xs) var(--space-sm); }

.home-actions { display: grid; gap: var(--space-xs); }
.material-upload, .material-shortcut {
  width: 100%;
  min-width: 0;
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  text-align: start;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.material-upload { min-height: 4.5rem; padding: var(--space-sm) var(--space-md); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-md); }
.material-upload > span:first-child, .material-shortcut { display: grid; gap: var(--space-3xs); }
.material-upload > span:last-child { color: var(--color-accent); font-size: var(--text-xl); }
.material-upload small, .material-shortcut small { color: var(--color-muted); font-size: var(--text-xs); line-height: 1.3; }
.material-shortcuts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(8rem, 100%), 1fr)); gap: var(--space-xs); }
.material-shortcut { min-height: 4.5rem; padding: var(--space-sm) var(--space-md); align-content: center; }
.material-shortcut strong { white-space: nowrap; }

.home-composer { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) 3rem; gap: var(--space-xs); }
.home-composer textarea {
  width: 100%;
  min-height: 3rem;
  max-height: 6rem;
  padding: .7rem var(--space-md);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-xl);
  outline: 2px solid transparent;
  outline-offset: 1px;
  background: var(--color-surface);
  color: var(--color-ink);
  resize: none;
  overflow-y: auto;
}
.home-composer textarea:focus-visible { outline-color: var(--color-focus); border-color: var(--color-ink-2); }
.home-composer textarea::placeholder { color: var(--color-muted); opacity: 1; }
.composer-send { width: 3rem; min-height: 3rem; border: 0; border-radius: 50%; background: var(--color-accent); color: var(--color-accent-ink); cursor: pointer; font-size: var(--text-lg); font-weight: 700; }
.composer-send:focus-visible { outline-color: var(--color-accent-ink); box-shadow: 0 0 0 4px var(--color-focus); }
.composer-send.is-loading { font-size: 0; }
.composer-send.is-loading::before { content: ""; width: 1rem; height: 1rem; border: 2px solid currentColor; border-inline-end-color: transparent; border-radius: 50%; animation: spin 800ms linear infinite; }
.home-composer > small { grid-column: 1 / -1; padding-inline-start: var(--space-sm); font-size: var(--text-xs); }
.session-open:active, .material-upload:active, .material-shortcut:active, .review-item:active, .composer-send:active { transform: translateY(1px); }
.action-list, .stack { display: grid; }

/* Shared top bar */
.detail-nav {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  border-block-end: var(--rule-hairline) solid var(--color-rule);
  background: var(--color-paper);
  position: relative;
  z-index: var(--z-sticky);
}
.detail-nav > span, .detail-title { margin: 0; min-width: 0; overflow: hidden; text-overflow: ellipsis; font-weight: 650; font-size: var(--text-sm); white-space: nowrap; }
.nav-spacer { width: 2.75rem; }
.people-entry { color: var(--color-ink); text-decoration: none; }
.detail-nav .people-entry { min-height: 2.75rem; padding-inline: var(--space-sm); display: flex; align-items: center; border: var(--rule-hairline) solid var(--color-rule-strong); border-radius: var(--radius-sm); background: var(--color-surface); color: var(--color-accent-hover); font-size: var(--text-xs); font-weight: 650; white-space: nowrap; }
.linkback {
  width: 2.75rem;
  min-height: 2.75rem;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  font-size: var(--text-lg);
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.detail-body > .field:first-of-type { margin-block-start: var(--space-lg); }
.compact-action { margin-block: var(--space-md); }

/* Question: fixed composer, scrollable evidence */
.chat-screen.active { grid-template-rows: auto minmax(0, 1fr) auto; }
.chat-thread {
  min-height: 0;
  padding-block: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  overflow-x: clip;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
}
.chat-result { display: grid; gap: var(--space-lg); }
.chat-message { max-width: min(92%, 46rem); overflow-wrap: anywhere; }
.chat-message--user {
  justify-self: end;
  margin-inline-start: auto;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
  background: var(--color-accent-soft);
  color: var(--color-ink);
  white-space: pre-wrap;
}
.chat-message--assistant {
  justify-self: start;
  width: min(100%, 46rem);
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--color-accent);
}
.chat-message--pending { color: var(--color-muted); }
.chat-composer {
  padding-block: .25rem 0;
  border-block-start: var(--rule-hairline) solid var(--color-rule);
  background: var(--color-paper);
}
.chat-composer__bar {
  position: relative;
  min-width: 0;
  min-height: 2.875rem;
  padding: 0;
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: 999px;
  background: var(--color-surface);
  transition: border-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.chat-composer__bar:focus-within { border-color: var(--color-focus); box-shadow: inset 0 0 0 2px var(--color-focus); }
.chat-composer textarea {
  display: block;
  width: 100%;
  height: 2.75rem;
  min-height: 2.75rem;
  max-height: 2.75rem;
  padding: .65rem 3rem;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--color-ink);
  resize: none;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.chat-composer textarea::-webkit-scrollbar { display: none; width: 0; height: 0; }
.chat-composer textarea:focus-visible { outline: 0; }
.chat-composer textarea::placeholder { color: var(--color-muted); opacity: 1; }
.composer-tool {
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  z-index: 1;
  width: 2.75rem;
  height: 2.75rem;
  padding: .25rem;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
}
.composer-tool.has-selection { background: transparent; color: var(--color-accent); }
.composer-tool:focus-visible { outline-color: var(--color-focus); }
.chat-composer .composer-send { position: absolute; inset-inline-end: 0; inset-block-end: 0; z-index: 1; width: 2.75rem; min-height: 2.75rem; height: 2.75rem; padding: .25rem; background: transparent; }
.chat-composer .composer-send svg, .composer-tool svg { width: 100%; height: 100%; padding: .48rem; border-radius: 50%; }
.composer-tool svg { background: var(--color-paper-2); }
.composer-tool.has-selection svg { background: var(--color-accent-soft); }
.chat-composer .composer-send svg { background: var(--color-accent); color: var(--color-accent-ink); }
.chat-composer .composer-send.is-loading svg { display: none; }
.chat-composer .composer-send.is-loading { margin: .25rem; width: 2.25rem; min-height: 2.25rem; height: 2.25rem; padding: 0; background: var(--color-accent); }
.chat-composer .process-line { margin: 0; }

/* Process picker */
.process-sheet { position: fixed; inset: 0; z-index: var(--z-modal); display: grid; align-items: end; padding: var(--space-md) max(var(--space-md), env(safe-area-inset-right)) max(var(--space-md), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left)); }
.process-sheet__backdrop { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: var(--color-overlay); cursor: pointer; }
.process-sheet__panel {
  position: relative;
  z-index: var(--z-base);
  width: min(100%, 34rem);
  max-height: min(72dvh, 38rem);
  margin-inline: auto;
  padding: var(--space-md);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border: var(--rule-hairline) solid var(--color-rule);
  border-radius: var(--radius-xl) var(--radius-xl) var(--radius-sm) var(--radius-sm);
  background: var(--color-surface);
  animation: sheet-in var(--dur-long) var(--ease-out) both;
}
.process-sheet__head { min-height: 3rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.process-sheet__head strong { font-size: var(--text-lg); }
.process-sheet__close { width: 3rem; min-height: 3rem; flex: 0 0 auto; border: var(--rule-hairline) solid var(--color-rule); border-radius: var(--radius-sm); background: var(--color-paper-2); color: var(--color-ink); cursor: pointer; font-size: var(--text-xl); line-height: 1; }
.process-options { min-height: 0; padding-block-start: var(--space-sm); display: grid; overflow-y: auto; overscroll-behavior: contain; }
.process-option {
  width: 100%;
  min-height: 3.5rem;
  padding: var(--space-sm) 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  border: 0;
  border-block-end: var(--rule-hairline) solid var(--color-rule);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  text-align: start;
  font-weight: 650;
}
.process-option.is-selected { color: var(--color-accent-hover); }
.process-option__check { width: 1.25rem; color: var(--color-accent); text-align: center; }
@keyframes sheet-in { from { opacity: 0; transform: translateY(.5rem); } }

/* Forms */
.field { display: grid; gap: var(--space-xs); margin-block: var(--space-lg); font-weight: 650; }
.field > span { font-size: var(--text-sm); }
.field > small { min-height: 1lh; font-size: var(--text-xs); font-weight: 400; }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 3.25rem;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  outline: 2px solid transparent;
  outline-offset: 1px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 400;
  resize: none;
  transition: background-color var(--dur-short) var(--ease-out);
}
.field textarea { min-height: 8rem; }
.field input::placeholder, .field textarea::placeholder { color: var(--color-muted); opacity: 1; }
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { outline-color: var(--color-focus); border-color: var(--color-ink-2); }
.field input:disabled, .field textarea:disabled, .field select:disabled { opacity: .55; cursor: not-allowed; }
.row { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block: var(--space-md); }
.btn {
  min-height: 3rem;
  padding: var(--space-sm) var(--space-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 650;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn.primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.btn.primary:focus-visible { outline-color: var(--color-accent-ink); box-shadow: 0 0 0 4px var(--color-focus); }
.btn.ghost { color: var(--color-ink-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn.is-loading { pointer-events: none; }
.btn.is-loading::before { content: ""; width: 1rem; height: 1rem; border: 2px solid currentColor; border-inline-end-color: transparent; border-radius: 50%; animation: spin 800ms linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }
.process-line { display: inline-flex; margin: var(--space-sm) 0; padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm); background: var(--color-accent-soft); color: var(--color-accent-hover); font-size: var(--text-sm); }
.confirm-panel, .review-panel { margin-block: var(--space-lg); padding: var(--space-lg) 0; border-block: var(--rule-hairline) solid var(--color-ink); background: transparent; }
.answer-text { margin: 0; font-size: var(--text-md); }
.markdown-body { display: grid; gap: var(--space-sm); }
.markdown-body > :first-child { margin-block-start: 0; }
.markdown-body > :last-child { margin-block-end: 0; }
.markdown-body p, .markdown-body ul, .markdown-body ol, .markdown-body blockquote, .markdown-body pre { margin: 0; }
.markdown-body h1 { font-size: var(--text-xl); line-height: 1.2; letter-spacing: -.025em; }
.markdown-body h2 { font-size: var(--text-lg); line-height: 1.25; letter-spacing: -.015em; }
.markdown-body h3 { font-size: var(--text-md); line-height: 1.3; letter-spacing: 0; }
.markdown-body ul, .markdown-body ol { padding-inline-start: 1.4rem; }
.markdown-body li + li { margin-block-start: var(--space-3xs); }
.markdown-body blockquote { padding-inline-start: var(--space-md); border-inline-start: 2px solid var(--color-rule-strong); color: var(--color-ink-2); }
.markdown-body code { padding: .1em .35em; border-radius: var(--radius-sm); background: var(--color-paper-2); font-family: var(--font-mono); font-size: .9em; }
.markdown-body pre { max-width: 100%; padding: var(--space-md); overflow-x: auto; border: var(--rule-hairline) solid var(--color-rule); border-radius: var(--radius-sm); background: var(--color-paper-2); white-space: pre; }
.markdown-body pre code { padding: 0; background: transparent; }
.markdown-body a { color: var(--color-accent-hover); text-underline-offset: .15em; }
.markdown-body hr { width: 100%; margin: var(--space-xs) 0; border: 0; border-block-start: var(--rule-hairline) solid var(--color-rule); }
.markdown-table-wrap { max-width: 100%; overflow-x: auto; }
.markdown-body table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.markdown-body th, .markdown-body td { padding: var(--space-xs) var(--space-sm); border: var(--rule-hairline) solid var(--color-rule); text-align: start; vertical-align: top; }
.markdown-body th { background: var(--color-paper-2); font-weight: 700; }

/* Evidence */
.citation-ref { min-width: 2.75rem; min-height: 2.75rem; margin-inline: var(--space-3xs); padding: 0 var(--space-xs); display: inline-flex; align-items: center; justify-content: center; border: var(--rule-hairline) solid var(--color-accent); border-radius: var(--radius-sm); background: var(--color-accent-soft); color: var(--color-accent-hover); cursor: pointer; font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 700; vertical-align: middle; white-space: nowrap; }
.sources-title { margin-block-start: var(--space-xl); font-size: var(--text-md); }
.source-list { display: grid; margin-block-start: var(--space-sm); border-block-start: var(--rule-hairline) solid var(--color-rule); }
.source-card { padding: var(--space-md) 0; border-block-end: var(--rule-hairline) solid var(--color-rule); background: transparent; }
.source-card:focus { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.source-card__head { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: var(--space-sm); }
.source-card__head strong { margin: 0; line-height: 1.35; overflow-wrap: anywhere; }
.source-card__label { color: var(--color-accent-hover); font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 700; }
.source-card__meta { margin: var(--space-xs) 0 0; color: var(--color-neutral); font-size: var(--text-sm); overflow-wrap: anywhere; }
.source-warning { margin-block-start: var(--space-lg); padding: var(--space-sm); border-inline-start: 2px solid var(--color-danger); background: var(--color-danger-soft); color: var(--color-danger); font-size: var(--text-sm); }

/* File choice and records */
.source-split__or { display: flex; align-items: center; gap: var(--space-sm); color: var(--color-muted); font-size: var(--text-sm); }
.source-split__or::before, .source-split__or::after { content: ""; flex: 1; height: var(--rule-hairline); background: var(--color-rule); }
.file-field { min-height: 5.5rem; margin-block: var(--space-lg); padding: var(--space-md) 0; display: flex; align-items: center; gap: var(--space-md); border-block: var(--rule-hairline) solid var(--color-rule); background: transparent; cursor: pointer; }
.file-field > span:first-child { display: grid; gap: var(--space-2xs); min-width: 0; }
.file-field small { font-size: var(--text-xs); line-height: 1.4; }
.file-field input { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); border: 0; white-space: nowrap; }
.file-field:has(input:focus-visible) { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.file-name { color: var(--color-accent-hover) !important; font-weight: 650; overflow-wrap: anywhere; }
.review-item { width: 100%; min-height: 3.75rem; padding: var(--space-sm) 0; border: 0; border-block-end: var(--rule-hairline) solid var(--color-rule); background: transparent; color: var(--color-ink); text-align: start; cursor: pointer; font-weight: 650; }
.review-panel .btn { margin-inline-end: var(--space-xs); margin-block-start: var(--space-xs); }
.compact-field { margin-block: var(--space-md); }
.inline-decision { margin-block-start: var(--space-md); padding-block-start: var(--space-md); border-block-start: var(--rule-hairline) solid var(--color-rule); }
.inline-decision textarea { min-height: 6rem; }
.inline-decision .row { margin-block-end: 0; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr); }
.inline-decision .btn { width: 100%; min-width: 0; padding-inline: var(--space-sm); }
.ok > span { display: block; }
.ok .compact-action { margin-block: var(--space-sm) 0; }
.material-list { display: grid; padding-block-end: var(--space-md); border-block-start: var(--rule-hairline) solid var(--color-rule); }
.material-card { padding: var(--space-md) 0; border-block-end: var(--rule-hairline) solid var(--color-rule); background: transparent; }
.material-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-sm); }
.material-card__head > strong { min-width: 0; overflow-wrap: anywhere; line-height: 1.3; }
.material-status { flex: 0 0 auto; max-width: 55%; padding: var(--space-2xs) var(--space-xs); border-radius: var(--radius-sm); font-size: var(--text-xs); font-weight: 700; line-height: 1.3; text-align: center; }
.material-status--pending, .material-status--muted { background: var(--color-paper-3); color: var(--color-neutral); }
.material-status--progress, .material-status--ready { background: var(--color-accent-soft); color: var(--color-accent-hover); }
.material-status--success { background: var(--color-success-soft); color: var(--color-success); }
.material-status--warning { background: color-mix(in oklch, var(--color-warning) 14%, var(--color-surface)); color: var(--color-warning); }
.material-status--danger { background: var(--color-danger-soft); color: var(--color-danger); }
.material-card__meta { margin: var(--space-xs) 0 0; color: var(--color-neutral); font-size: var(--text-xs); overflow-wrap: anywhere; }
.material-card__detail { margin: var(--space-sm) 0 0; color: var(--color-ink-2); font-size: var(--text-sm); }
.material-card__note { margin-block-start: var(--space-sm); padding-inline-start: var(--space-sm); border-inline-start: 2px solid var(--color-rule-strong); font-size: var(--text-sm); }
.material-card__note p { margin: var(--space-2xs) 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }

/* Logistics: server facts, forecasts and scoped snapshots */
.logistics-toolbar { padding-block: var(--space-sm) var(--space-md); display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.logistics-toolbar p { max-width: 34rem; margin: 0; color: var(--color-ink-2); font-size: var(--text-sm); }
.logistics-toolbar .compact-action { flex: 0 0 auto; margin: 0; }
.logistics-orders { margin-block-start: 0; }
.logistics-order-list { display: grid; gap: var(--space-xs); padding-block-end: var(--space-lg); }
.logistics-order-list > .muted { margin: 0; padding: var(--space-lg) var(--space-md); border: var(--rule-hairline) solid var(--color-rule); border-radius: var(--radius-md); text-align: center; }
.logistics-order-item { min-width: 0; display: grid; }
.logistics-order-row {
  width: 100%;
  min-width: 0;
  min-height: 3.5rem;
  padding: var(--space-2xs) var(--space-md);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  border: var(--rule-hairline) solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  text-align: start;
  cursor: pointer;
}
.logistics-order-row[aria-expanded="true"] { border-end-start-radius: 0; border-end-end-radius: 0; background: var(--color-paper-2); }
.logistics-order-row__content { min-width: 0; display: grid; gap: var(--space-2xs); }
.logistics-order-row__content strong, .logistics-order-row__content small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logistics-order-row__content strong { font-size: var(--text-md); line-height: 1.25; }
.logistics-order-row__arrow { color: var(--color-accent); font-size: var(--text-xl); line-height: 1; }
.logistics-order-row:active { transform: translateY(1px); }
.logistics-order-item__details { min-width: 0; margin-block-start: calc(-1 * var(--rule-hairline)); padding-inline: var(--space-sm); border: var(--rule-hairline) solid var(--color-rule-strong); border-start-width: 0; border-radius: 0 0 var(--radius-md) var(--radius-md); background: var(--color-surface); }
.logistics-more { margin-block: var(--space-lg); border-block-start: var(--rule-hairline) solid var(--color-rule); }
.logistics-more > summary { min-height: 3.5rem; display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); cursor: pointer; color: var(--color-ink-2); font-weight: 650; }
.logistics-more > summary::after { content: "+"; color: var(--color-accent); font-size: var(--text-lg); }
.logistics-more[open] > summary::after { content: "−"; }
.logistics-order-detail { padding-block: var(--space-xs) var(--space-sm); }
.logistics-products { display: grid; gap: var(--space-xs); }
.logistics-product { min-width: 0; border: var(--rule-hairline) solid var(--color-rule-strong); border-radius: var(--radius-md); background: var(--color-surface); overflow: clip; }
.logistics-product__summary { position: relative; min-height: 3rem; padding: var(--space-xs) var(--space-xl) var(--space-xs) var(--space-sm); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-sm); cursor: pointer; list-style: none; }
.logistics-product__summary::-webkit-details-marker { display: none; }
.logistics-product__summary::after { content: "⌄"; position: absolute; inset-inline-end: var(--space-md); top: 50%; color: var(--color-accent); font-size: var(--text-lg); line-height: 1; transform: translateY(-50%); }
.logistics-product__summary--static { padding-inline-end: var(--space-sm); cursor: default; }
.logistics-product__summary--static::after { content: none; }
.logistics-product[open] > .logistics-product__summary::after { transform: translateY(-50%) rotate(180deg); }
.logistics-product__summary:active { background: var(--color-paper-2); }
.logistics-product__identity { min-width: 0; display: block; }
.logistics-product__identity strong { overflow-wrap: anywhere; line-height: 1.3; }
.logistics-product__amount { color: var(--color-ink); font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 700; white-space: nowrap; }
.logistics-product__facts { margin: 0; padding: var(--space-2xs) var(--space-sm) var(--space-xs); border-block-start: var(--rule-hairline) solid var(--color-rule); }
.logistics-product__fact { min-width: 0; padding-block: var(--space-2xs); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-sm); border-block-end: var(--rule-hairline) solid var(--color-rule); }
.logistics-product__fact:last-child { border-block-end: 0; }
.logistics-product__fact dt { color: var(--color-neutral); }
.logistics-product__fact dd { min-width: 0; margin: 0; font-family: var(--font-mono); text-align: end; overflow-wrap: anywhere; }
.logistics-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(9rem, 100%), 1fr));
  gap: var(--space-xs);
  margin-block-end: var(--space-xl);
}
.logistics-metric { min-width: 0; min-height: 5.25rem; padding: var(--space-md); display: grid; align-content: space-between; gap: var(--space-sm); border: var(--rule-hairline) solid var(--color-rule-strong); border-radius: var(--radius-md); background: var(--color-surface); }
.logistics-metric span { color: var(--color-neutral); font-size: var(--text-xs); line-height: 1.3; }
.logistics-metric strong { font-family: var(--font-mono); font-size: var(--text-xl); line-height: 1; }
.logistics-section { margin-block: var(--space-xl); }
.logistics-section > h2 { padding-block-end: var(--space-sm); border-block-end: var(--rule-hairline) solid var(--color-ink); font-size: var(--text-md); letter-spacing: -.015em; }
.logistics-list { display: grid; }
.logistics-list > .muted { margin: 0; padding-block: var(--space-md); border-block-end: var(--rule-hairline) solid var(--color-rule); }
.logistics-card { min-width: 0; padding-block: var(--space-md); border-block-end: var(--rule-hairline) solid var(--color-rule); }
.logistics-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-md); }
.logistics-card__head > strong { min-width: 0; overflow-wrap: anywhere; }
.logistics-card__type { flex: 0 0 auto; padding: var(--space-2xs) var(--space-xs); border-radius: var(--radius-sm); background: var(--color-paper-2); color: var(--color-ink-2); font-size: var(--text-xs); font-weight: 700; }
.logistics-card__meta { margin: var(--space-xs) 0 0; color: var(--color-neutral); font-size: var(--text-xs); overflow-wrap: anywhere; }
.logistics-review { margin-block-start: var(--space-sm); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs); }
.logistics-review__badge { padding: var(--space-2xs) var(--space-xs); border: var(--rule-hairline) solid currentColor; border-radius: var(--radius-pill); font-size: var(--text-xs); font-weight: 700; }
.logistics-review__badge--ai { background: var(--color-accent-soft); color: var(--color-accent-hover); }
.logistics-review__badge--warning { background: color-mix(in oklch, var(--color-warning) 14%, var(--color-surface)); color: var(--color-warning); }
.logistics-review__badge--danger { background: var(--color-danger-soft); color: var(--color-danger); }
.logistics-review__badge--pending { background: var(--color-paper-3); color: var(--color-neutral); }
.logistics-review__confidence { color: var(--color-neutral); font-size: var(--text-xs); }
.logistics-attention-card > .logistics-review__confidence { margin: var(--space-sm) 0 0; }
.logistics-lines { margin: var(--space-sm) 0 0; padding: 0; display: grid; border-block-start: var(--rule-hairline) solid var(--color-rule); list-style: none; }
.logistics-line { min-width: 0; padding-block: var(--space-xs); display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; gap: var(--space-2xs) var(--space-md); border-block-end: var(--rule-hairline) solid var(--color-rule); }
.logistics-line:last-child { border-block-end: 0; }
.logistics-line strong { overflow-wrap: anywhere; }
.logistics-line > span { font-family: var(--font-mono); font-size: var(--text-sm); text-align: end; }
.logistics-line small { grid-column: 1 / -1; color: var(--color-neutral); font-size: var(--text-xs); }
.error, .ok { padding: var(--space-md); border-inline-start: 2px solid currentColor; }
.error { background: var(--color-danger-soft); color: var(--color-danger); }
.ok { background: var(--color-success-soft); color: var(--color-success); }

:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
button:disabled, button[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
@media (hover: hover) and (pointer: fine) {
  .session-open:hover, .material-upload:hover, .material-shortcut:hover, .review-item:hover { background: var(--color-paper-2); }
  .session-remove:hover { background: var(--color-danger-soft); color: var(--color-danger); }
  .btn.primary:hover { background: var(--color-accent-hover); }
  .btn.ghost:hover, .linkback:hover, .process-option:hover { background: var(--color-paper-2); }
  .field input:hover, .field textarea:hover, .field select:hover { background: var(--color-paper-2); }
  .file-field:hover { border-color: var(--color-ink-2); }
  .logistics-order-row:hover, .logistics-product > summary:hover { background: var(--color-paper-2); }
}
@media (pointer: coarse) {
  .session-open, .session-remove, .material-upload, .material-shortcut, .composer-send, .btn, .linkback, .review-item, .process-option { min-height: 3rem; }
}
@media (min-width: 40rem) {
  #app { padding-inline: var(--space-xl); }
  .detail-screen { max-width: 56rem; margin-inline: auto; }
  .home-screen.active { padding-block-start: max(var(--space-lg), env(safe-area-inset-top)); gap: var(--space-md); }
  .material-shortcuts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 60rem) {
  #app { padding-inline: clamp(3rem, 6vw, 7rem); }
  .home-screen.active { width: min(100%, 68rem); margin-inline: auto; }
  .session-open { min-height: 4.75rem; }
  .detail-screen { max-width: 64rem; }
  .detail-body { padding-inline: clamp(4rem, 8vw, 9rem); }
  .chat-screen .chat-thread, .chat-screen .chat-composer { padding-inline: clamp(2rem, 5vw, 5rem); }
}
@media (max-width: 30rem) {
  .row .btn { width: 100%; }
  .material-card__head { flex-direction: column; }
  .material-status { max-width: 100%; align-self: flex-start; }
  .inline-decision .row { grid-template-columns: minmax(0, 1fr); }
  .session-confirm { grid-template-columns: minmax(0, 1fr); }
  .session-confirm .btn { width: 100%; }
  .logistics-toolbar { align-items: stretch; flex-direction: column; }
  .logistics-toolbar .compact-action { align-self: flex-start; }
  .logistics-product__amount { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .process-sheet__panel { transform: none; }
}