@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap");

/* Global layout */
:root {
  color-scheme: dark;
  --font-display: "Space Grotesk", "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --bg-primary: #0f172a;
  --bg-elevated: rgba(15, 23, 42, 0.92);
  --bg-panel: rgba(17, 24, 39, 0.95);
  --fg-primary: #f8fafc;
  --fg-secondary: rgba(226, 232, 240, 0.76);
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.18);
  --card-border: rgba(148, 163, 184, 0.25);
  --danger: #f87171;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-soft: 0 26px 48px -35px rgba(15, 23, 42, 0.85);
  --shadow-panel: 0 24px 64px -42px rgba(15, 23, 42, 0.9);
  line-height: 1.6;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 45%),
    linear-gradient(145deg, rgba(15, 23, 42, 1) 0%, rgba(15, 23, 42, 0.94) 60%, rgba(22, 33, 62, 0.92) 100%);
  color: var(--fg-primary);
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(56, 189, 248, 0.75);
  outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

button,
input,
select,
textarea {
  font-family: var(--font-body);
}

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 2.5rem 1.25rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  background: rgba(11, 18, 35, 0.6);
  backdrop-filter: blur(16px);
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-title > div {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 10px;
}

.brand-title h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 600;
}

.brand-title span {
  font-size: 0.9rem;
  color: var(--fg-secondary);
}

.app-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 0.6rem;
}

.nav-user {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.panel {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.permissions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.perm-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  font-size: 0.85rem;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  vertical-align: top;
}

.data-table th {
  text-align: left;
  font-weight: 600;
  color: var(--fg-secondary);
}

.inline-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
}

.app-nav a {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--fg-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: border 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.app-nav a:hover {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--fg-primary);
}

.app-nav a.active {
  border-color: rgba(56, 189, 248, 0.55);
  background: rgba(56, 189, 248, 0.12);
  color: var(--fg-primary);
}

main.app-main {
  flex: 1;
  padding: 0 2rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.page-card {
  padding: 2rem;
  display: grid;
  gap: 1.5rem;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.page-card--narrow {
  width: min(860px, 100%);
}

.page-card--wide {
  width: min(1280px, 100%);
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 35px 65px -55px rgba(15, 20, 45, 0.9);
  backdrop-filter: blur(18px);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

footer.app-footer {
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.6;
  padding: 1.5rem 0 2.5rem;
}

/* Chat layout */
.ghost-button {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.65);
  color: var(--fg-secondary);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.95rem;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: border 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.ghost-button:hover,
.ghost-button:focus-visible {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--fg-primary);
  outline: none;
}

.primary-button {
  border: none;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.35rem;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  color: #0b1120;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 12px 28px -20px rgba(56, 189, 248, 0.8);
  transition: filter 0.2s ease, transform 0.2s ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-1px);
  outline: none;
}

.danger-button {
  border: 1px solid rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.12);
  color: #fecaca;
  border-radius: var(--radius-md);
  padding: 0.55rem 0.95rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.danger-button:hover,
.danger-button:focus-visible {
  border-color: rgba(248, 113, 113, 0.7);
  color: #fee2e2;
  outline: none;
}

body.drawer-open {
  overflow: hidden;
}

.chat-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2.4rem;
  flex: 1;
  height: 100%;
  position: relative;
  align-items: stretch;
}

.chat-core {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.chat-core__header {
  display: none;
}

.chat-heading h2 {
  margin: 0.1rem 0 0;
  font-size: 1.4rem;
  font-weight: 600;
}

.chat-heading__pill {
  display: inline-flex;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  font-size: 0.75rem;
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chat-heading__meta {
  margin: 0.45rem 0 0;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

.chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
}

.chat-core__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding: 0 1rem;
}

.chat-main-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  width: min(1100px, 100%);
  min-height: 0;
}

.chat-thread {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 0 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.chat-message {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 1rem;
  align-items: flex-start;
}

.chat-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent);
  font-family: var(--font-display);
}

.chat-message--assistant .chat-avatar {
  background: rgba(129, 140, 248, 0.22);
  color: #c7d2fe;
}

.chat-bubble {
  background: rgba(15, 23, 42, 0.78);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 1.15rem 1.35rem;
  display: grid;
  gap: 1rem;
}

.chat-bubble p {
  margin: 0;
  font-size: 0.98rem;
}

.chat-timestamp {
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

.chat-answer-list {
  margin: 0;
  padding-left: 1.35rem;
  display: grid;
  gap: 1rem;
}

.answer-snippet {
  font-size: 0.97rem;
  color: var(--fg-primary);
  word-break: break-word;
  overflow-wrap: break-word;
}

.answer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

.answer-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.75rem;
  font-size: 0.76rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
}

.assistant-inline-images {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.assistant-inline-images img {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.assistant-references {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chat-usage {
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

.chat-collapse {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.65);
  padding: 0.85rem 1rem;
  margin-top: 0.65rem;
}

.chat-collapse summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--fg-secondary);
  outline: none;
  list-style: none;
}

.chat-collapse summary::marker,
.chat-collapse summary::-webkit-details-marker {
  display: none;
}

.chat-collapse summary span {
  font-size: 0.82rem;
}

.chat-collapse[open] summary {
  color: var(--fg-primary);
}

.chat-response {
  margin-top: 0.85rem;
  display: grid;
  gap: 0.75rem;
}

.reference-chip {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  cursor: default;
}

.reference-chip:hover,
.reference-chip:focus-visible {
  border-color: rgba(56, 189, 248, 0.45);
  outline: none;
}

.doc-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  font-size: 0.75rem;
  text-decoration: none;
  transition: border 0.2s ease, color 0.2s ease;
}

.doc-badge:hover,
.doc-badge:focus-visible {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--fg-primary);
  outline: none;
}

.chat-empty {
  display: grid;
  justify-items: center;
  gap: 0.9rem;
  padding: 3rem 1.5rem;
  color: var(--fg-secondary);
  text-align: center;
}

.chat-empty__icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.chat-empty__icon svg {
  width: 26px;
  height: 26px;
  color: var(--accent);
}

.chat-empty h3 {
  margin: 0;
  color: var(--fg-primary);
}

.chat-empty p {
  max-width: 440px;
  margin: 0;
}

.chat-empty .chat-suggestions,
.composer-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.chat-composer .composer-suggestions {
  justify-content: flex-start;
  gap: 0.55rem;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  background: rgba(8, 11, 19, 0.78);
  z-index: 999;
  color: var(--fg-secondary);
  font-size: 0.95rem;
}

.loading-spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 3px solid rgba(148, 163, 184, 0.35);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

body.is-loading .loading-overlay {
  display: flex;
}

body.is-loading .primary-button {
  opacity: 0.6;
  cursor: wait;
}

.chat-empty .chat-suggestions button,
.composer-suggestions button {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(25, 33, 49, 0.72);
  color: var(--fg-secondary);
  padding: 0.48rem 0.9rem;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border 0.2s ease, color 0.2s ease;
}

.chat-empty .chat-suggestions button:hover,
.composer-suggestions button:hover {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--fg-primary);
}

.assistant-answer {
  margin-bottom: 0.95rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.chat-alert {
  margin: 1.1rem 1.75rem 0;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.12);
  color: #fecaca;
}

.chat-composer {
  margin-top: auto;
  padding: 1.35rem 0 1.6rem;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.96) 35%, rgba(15, 23, 42, 0.98) 100%);
  position: sticky;
  bottom: 0;
  z-index: 5;
  width: 100%;
}

.chat-composer form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: rgba(12, 19, 32, 0.94);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 1.5rem;
  padding: 0.9rem 1.15rem 1rem;
  box-shadow: 0 18px 42px -32px rgba(8, 12, 24, 0.85);
}

.composer-field {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.composer-field select {
  margin-top: 0.1rem;
}

.compose-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
}

.compose-row textarea {
  resize: none;
  min-height: 68px;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  color: var(--fg-primary);
  font-size: 0.98rem;
}

.compose-row textarea:focus {
  outline: none;
}

.compose-row textarea::placeholder {
  color: rgba(226, 232, 240, 0.55);
}

.compose-actions {
  display: flex;
  gap: 0.5rem;
}

.compose-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--fg-secondary);
  text-align: right;
}

.chat-panel {
  background: var(--bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .chat-panel {
    position: sticky;
    top: 0;
    align-self: start;
    max-height: calc(100vh - 180px);
  }

  .chat-core {
    max-height: calc(100vh - 180px);
  }

  .chat-shell {
    height: calc(100vh - 180px);
  }
}

.chat-panel--history {
  border-right: 1px solid rgba(148, 163, 184, 0.18);
}

.chat-panel--sources {
  border-left: 1px solid rgba(148, 163, 184, 0.18);
}

.chat-panel__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.35rem 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.chat-panel__header h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.chat-panel__meta {
  margin: 0.3rem 0 0;
  font-size: 0.82rem;
  color: var(--fg-secondary);
}

.panel-close {
  border: none;
  background: rgba(15, 23, 42, 0.75);
  border-radius: var(--radius-sm);
  width: 34px;
  height: 34px;
  color: var(--fg-secondary);
  cursor: pointer;
}

.panel-close:hover,
.panel-close:focus-visible {
  color: var(--fg-primary);
  outline: none;
}

.chat-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.1rem 1.35rem 1.35rem;
  display: grid;
  gap: 1rem;
}

.chat-panel__footer {
  padding: 1rem 1.35rem 1.3rem;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
  font-size: 0.76rem;
  color: var(--fg-secondary);
}

.panel-tip {
  margin: 0;
}

.conversation-list {
  display: grid;
  gap: 0.75rem;
}

.history-item {
  display: grid;
  gap: 0.4rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.6);
  color: var(--fg-secondary);
  text-decoration: none;
  transition: border 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.history-item:hover,
.history-item:focus-visible {
  border-color: rgba(56, 189, 248, 0.35);
  color: var(--fg-primary);
  outline: none;
}

.history-item.active {
  border-color: rgba(56, 189, 248, 0.5);
  background: rgba(56, 189, 248, 0.12);
  color: var(--fg-primary);
}

.history-item__title {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--fg-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item__meta {
  font-size: 0.74rem;
  color: rgba(226, 232, 240, 0.58);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.history-item__preview {
  margin: 0;
  font-size: 0.82rem;
  color: var(--fg-secondary);
  line-height: 1.45;
}

.panel-empty {
  margin: 0;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

.source-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.78);
}

.source-item header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.65rem;
  font-size: 0.82rem;
  color: var(--fg-secondary);
}

.source-title {
  color: var(--fg-primary);
  font-weight: 500;
}

.source-score {
  font-variant-numeric: tabular-nums;
}

.source-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fg-primary);
}

.source-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

.source-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.source-images {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.source-images img {
  width: 84px;
  height: 84px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.source-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.78rem;
}

/* Upload & Browse */
.section-header {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.section-header h2 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
}

.section-header p {
  margin: 0;
  color: var(--fg-secondary);
  font-size: 0.92rem;
}

.section-divider {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 1.25rem;
}

.form-grid {
  display: grid;
  gap: 1.1rem;
  max-width: 720px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-weight: 500;
}

.form-grid textarea,
.form-grid input,
.form-grid select {
  background: rgba(12, 18, 36, 0.84);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  color: var(--fg-primary);
  font-size: 0.95rem;
}

.form-grid small {
  color: var(--fg-secondary);
  font-size: 0.8rem;
}

.form-grid--compact {
  gap: 0.75rem;
  max-width: 760px;
}

.form-grid textarea:focus,
.form-grid input:focus,
.form-grid select:focus {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
  outline: none;
}

.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.alert {
  border-radius: 14px;
  padding: 1rem 1.15rem;
  margin-bottom: 1.5rem;
}

.alert.success {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.45);
  color: #bbf7d0;
}

.alert.error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.45);
  color: #fecaca;
}

.upload-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.upload-progress {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.25rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(148, 163, 184, 0.35);
  background: rgba(15, 23, 42, 0.65);
  color: var(--fg-secondary);
}

.upload-spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(148, 163, 184, 0.35);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
}

#upload-submit.is-loading {
  opacity: 0.65;
  cursor: wait;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.doc-card {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.doc-card header {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.doc-card header h3 {
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-meta {
  font-size: 0.85rem;
  color: var(--fg-secondary);
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.doc-meta span {
  word-break: break-word;
  overflow-wrap: break-word;
}

.doc-namespace {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-secondary);
}

.doc-preview {
  margin: 0;
  font-size: 0.9rem;
  color: var(--fg-primary);
  word-break: break-word;
  overflow-wrap: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.doc-hero {
  height: 280px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.84));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.doc-hero-link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 1rem;
  text-decoration: none;
  box-sizing: border-box;
}

.doc-hero-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
  border-radius: 14px;
  display: block;
}

.doc-hero-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-secondary);
  font-size: 0.9rem;
  box-sizing: border-box;
}

.doc-card-body {
  padding: 1.4rem;
  display: grid;
  gap: 0.9rem;
}

.doc-card footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.doc-action {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(15, 23, 42, 0.8);
  color: var(--fg-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: border 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.doc-action:hover,
.doc-action:focus-visible {
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--fg-primary);
  outline: none;
}

.doc-card button {
  cursor: pointer;
}

.doc-links {
  display: grid;
  gap: 0.35rem;
  font-size: 0.8rem;
  word-break: break-word;
}

.doc-links a {
  color: var(--accent);
  opacity: 0.85;
}

.doc-links a:hover,
.doc-links a:focus-visible {
  opacity: 1;
  outline: none;
}

@media (max-width: 640px) {
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .doc-hero,
  .doc-hero-link,
  .doc-hero-placeholder {
    height: 220px;
  }
}


[hidden] {
  display: none !important;
}

.upload-spinner,
.assistant-inline-images img {
  will-change: transform;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.empty-state {
  margin-top: 2.5rem;
  text-align: center;
  color: var(--fg-secondary);
}

.chat-status {
  display: grid;
  gap: 1rem;
  padding: 1.75rem 1.75rem 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.status-card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.76);
  padding: 1.15rem 1.25rem;
  display: grid;
  gap: 0.75rem;
}

.status-card h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.status-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-secondary);
}

.status-value {
  font-size: 0.92rem;
  color: var(--fg-primary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  font-size: 0.78rem;
  background: rgba(15, 23, 42, 0.85);
}

.status-badge.is-ok {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent);
}

.status-badge.is-warn {
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(248, 113, 113, 0.16);
  color: #fecaca;
}

.status-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
}

.metric-value {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.metric-label {
  font-size: 0.78rem;
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-footnote {
  margin: 0;
  font-size: 0.78rem;
  color: var(--fg-secondary);
}

.status-alert {
  margin: 0;
  font-size: 0.82rem;
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.35);
  background: rgba(248, 113, 113, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
}

.status-empty {
  margin: 0;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

.ingestion-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.72);
  padding: 1rem 1.25rem;
}

.browse-header {
  display: grid;
  gap: 1rem;
  align-items: center;
}

.browse-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: end;
}

.browse-filter label {
  display: grid;
  gap: 0.5rem;
  font-weight: 600;
}

.overview-stat {
  display: grid;
  gap: 0.35rem;
  text-align: center;
}

.overview-value {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.overview-label {
  font-size: 0.78rem;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.namespace-table-wrapper {
  overflow-x: auto;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.7);
}

.namespace-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.namespace-table th,
.namespace-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  word-break: break-word;
  max-width: 300px;
}

.namespace-table th {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
  color: var(--fg-secondary);
}

.namespace-table tr.is-active {
  background: rgba(56, 189, 248, 0.08);
}

.status-page {
  display: grid;
  gap: 1.5rem;
}

.status-header {
  padding: 1.75rem 2rem;
}

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

.job-summary-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.job-summary-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(15, 23, 42, 0.7);
}

.job-summary-item span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-secondary);
}

.job-summary-item strong {
  font-size: 0.92rem;
  color: var(--fg-primary);
  overflow-wrap: anywhere;
}

.job-progress {
  display: grid;
  gap: 0.55rem;
}

.job-progress__bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.12);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.job-progress__fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.55), rgba(56, 189, 248, 0.95));
  transition: width 0.35s ease;
}

.job-progress__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

.status-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.namespace-section {
  display: grid;
  gap: 1rem;
}

.namespace-actions {
  display: flex;
  gap: 0.5rem;
}

.namespace-actions .doc-action {
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
}

.usage-section {
  display: grid;
  gap: 1rem;
}

.usage-table-wrapper {
  overflow-x: auto;
}

.usage-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.usage-table th,
.usage-table td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  text-align: left;
}

.usage-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-secondary);
}

/* Responsive adjustments */
@media (max-width: 1280px) {
  .chat-shell {
    grid-template-columns: 240px minmax(0, 1fr) 280px;
    gap: 1.25rem;
  }
}

@media (max-width: 1024px) {
  header.app-header,
  main.app-main {
    padding: 1.5rem;
  }

  .chat-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .chat-panel {
    position: fixed;
    top: 0;
    bottom: 0;
    width: min(420px, 100%);
    max-height: none;
    border-radius: 0;
    border: none;
    transform: translateX(110%);
    transition: transform 0.3s ease;
    z-index: 30;
    pointer-events: none;
  }

  .chat-panel__body {
    padding-bottom: 2.5rem;
  }

  .chat-panel--history {
    left: 0;
    right: auto;
    transform: translateX(-110%);
    border-right: 1px solid var(--card-border);
  }

  .chat-panel--sources {
    right: 0;
    left: auto;
    border-left: 1px solid var(--card-border);
  }

  .chat-panel.is-open {
    transform: translateX(0);
    pointer-events: auto;
  }

  body.drawer-open::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.65);
    z-index: 25;
    pointer-events: none;
  }

  .chat-core {
    min-height: calc(100vh - 140px);
  }
}

@media (max-width: 768px) {
  header.app-header,
  main.app-main {
    padding: 1.1rem;
  }

  .chat-core__header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .chat-actions {
    justify-content: flex-start;
  }

  .chat-thread {
    padding: 1.35rem;
  }

  .chat-message {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 0.75rem;
  }

  .chat-composer {
    padding: 1.15rem 1.35rem 1.45rem;
  }

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

  .compose-actions {
    justify-content: flex-end;
  }

.composer-suggestions {
  justify-content: flex-start;
}
}

/* OCR AI */
.page-heading {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0 0 1.4rem 0;
  width: min(1200px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.page-heading__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--fg-secondary);
  margin: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 999px;
  color: var(--fg-primary);
  font-size: 0.9rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22c55e;
}

.dot--pulse {
  position: relative;
}

.dot--pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(34, 197, 94, 0.5);
  border-radius: 999px;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

.muted {
  color: var(--fg-secondary);
  margin: 0;
}

.alert {
  border: 1px solid rgba(248, 113, 113, 0.35);
  background: rgba(248, 113, 113, 0.1);
  color: #fecdd3;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.alert--error strong {
  margin-right: 0.35rem;
}

.ocr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.4rem;
  width: min(1200px, 100%);
  margin: 0 auto;
}

.ocr-card {
  padding: 1.4rem;
}

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

.ocr-form {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.form-label {
  font-weight: 600;
}

.form-actions {
  margin-top: 0.4rem;
}

select {
  background: var(--bg-panel);
  color: var(--fg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  padding: 0.55rem 0.65rem;
}

.ocr-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.9rem;
  margin: 0.6rem 0 1rem 0;
}

.stat {
  padding: 0.85rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-secondary);
}

.stat-value {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
}

.confidence {
  margin: 0.4rem 0 1rem 0;
}

.confidence__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
}

.confidence__bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.22);
  overflow: hidden;
  margin: 0.35rem 0;
}

.confidence__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #38bdf8 0%, #0ea5e9 100%);
}

.mono-box {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.65);
  padding: 0.85rem;
  margin: 0.5rem 0 1rem 0;
}

.mono-box__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.mono-box pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  color: #e2e8f0;
}

.list-block {
  margin: 0 0 1rem 0;
}

.list-block h4 {
  margin: 0 0 0.35rem 0;
}

.list-block ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--fg-secondary);
}

.list-block.warning {
  border-left: 3px solid var(--danger);
  padding-left: 0.6rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 0.5rem 0 1rem 0;
}

/* Finance fields toggle */
.finance-fields {
  display: none;
}
.finance-fields.show[data-display="grid"] {
  display: grid;
}
.finance-fields.show[data-display="block"] {
  display: block;
}

.detail-block {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  padding: 0.75rem 0.9rem;
}

.detail-block ul {
  margin: 0.25rem 0 0 1.1rem;
  color: var(--fg-secondary);
  padding: 0;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.image-grid img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: #0b1224;
}

/* ──────────────────────────────────────────────────────────────
   Search Mode Toggle — Fast / Deep
   ────────────────────────────────────────────────────────────── */
.search-mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  user-select: none;
  cursor: pointer;
  flex-shrink: 0;
}

.search-mode-toggle__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.search-mode-toggle__label--fast {
  color: var(--accent);
}

.search-mode-toggle__label--deep {
  color: rgba(226, 232, 240, 0.45);
}

.search-mode-toggle__track {
  position: relative;
  width: 36px;
  height: 20px;
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
  border-radius: 12px;
  transition: background 0.3s ease;
  flex-shrink: 0;
}

.search-mode-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #0b1120;
  border-radius: 50%;
  transition: transform 0.25s ease;
}

/* Deep mode active */
.search-mode-toggle.is-deep .search-mode-toggle__track {
  background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
}

.search-mode-toggle.is-deep .search-mode-toggle__thumb {
  transform: translateX(16px);
}

.search-mode-toggle.is-deep .search-mode-toggle__label--fast {
  color: rgba(226, 232, 240, 0.45);
}

.search-mode-toggle.is-deep .search-mode-toggle__label--deep {
  color: #fb923c;
}

/* ──────────────────────────────────────────────────────────────
   Upload Quality Preset Buttons
   ────────────────────────────────────────────────────────────── */
.upload-quality-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.upload-quality-btn {
  flex: 1;
  padding: 0.55rem 0.75rem;
  border: 2px solid #d1d9e6;
  border-radius: 8px;
  background: #f7f9fc;
  color: #334155;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  text-align: center;
}

.upload-quality-btn:hover {
  border-color: #fb923c;
  background: #fff7ed;
  color: #c2410c;
}

.upload-quality-btn.is-active {
  border-color: #f97316;
  background: linear-gradient(135deg, #fb923c 0%, #f97316 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.25);
}

.upload-quality-desc {
  font-size: 0.82rem;
  color: #5a6a84;
  line-height: 1.6;
  min-height: 1.6em;
  margin-bottom: 0.5rem;
}

.admin-advanced-toggle {
  margin-top: 0.25rem;
}

.admin-advanced-btn {
  background: none;
  border: none;
  color: #2e6da4;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0;
}

.admin-advanced-btn:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

.admin-advanced-panel {
  margin-top: 0.4rem;
  padding: 0.65rem 0.85rem;
  background: #f0f4fa;
  border: 1px solid #dce3ee;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}