:root {
  --left-width: 292px;
  --right-width: 410px;
  --page: #ffffff;
  --card: #fff7e8;
  --orange: #ff9f43;
  --orange-dark: #e88425;
  --blue: #2a4d96;
  --ink: #222831;
  --muted: #606878;
  --radius: 12px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--page);
}

* { box-sizing: border-box; }
body { margin: 0; overflow: hidden; background: var(--page); }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
i[data-lucide] { width: 18px; height: 18px; stroke-width: 2; }

.topbar {
  height: 64px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--blue);
  background: var(--page);
}
.topbar-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; }
.brand-logo { width: 40px; height: 40px; flex: 0 0 auto; object-fit: contain; }
.topbar-nav { display: flex; gap: 26px; color: var(--ink); font-size: 14px; font-weight: 700; }
.topbar-actions { position: relative; display: flex; align-items: center; justify-self: end; }
.topbar-actions-menu { display: flex; gap: 8px; }
.topbar-actions-menu .topbar-icon span { display: none; }
.topbar-icon {
  width: 38px; height: 38px; padding: 0; display: inline-grid; place-items: center; line-height: 1;
  border: 1px solid var(--orange); border-radius: var(--radius); background: var(--orange); color: #fff;
}
.topbar .mobile-actions-toggle { display: none; }
.topbar-icon:hover, .send-button:hover, .save-settings:hover { background: var(--orange-dark); border-color: var(--orange-dark); }

.workspace { height: calc(100vh - 64px); display: grid; grid-template-columns: var(--left-width) 8px minmax(440px, 1fr) 8px var(--right-width); overflow: hidden; background: var(--page); }
.sidebar, .chat-panel { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--page); }
.left-sidebar { border-right: 1px solid var(--blue); }
.reader-panel { border-left: 1px solid var(--blue); }
.resizer { position: relative; z-index: 4; cursor: col-resize; background: var(--page); }
.resizer:hover::after, .resizer.active::after { content: ""; position: absolute; inset: 0 2px; border-radius: 99px; background: var(--orange); }
.workspace.left-collapsed { grid-template-columns: 0 0 minmax(440px, 1fr) 8px var(--right-width); }
.workspace.right-collapsed { grid-template-columns: var(--left-width) 8px minmax(440px, 1fr) 0 0; }
.workspace.left-collapsed.right-collapsed { grid-template-columns: 0 0 minmax(440px, 1fr) 0 0; }
.workspace.left-collapsed .left-sidebar, .workspace.right-collapsed .reader-panel { overflow: hidden; visibility: hidden; }

.sidebar-header, .reader-header { margin: 20px; padding: 20px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); }
.sidebar-header { margin-bottom: 16px; }
.sidebar-header h1, .reader-header h2 { margin: 0; font-size: 20px; line-height: 1.2; }
.sidebar-header p, .reader-header p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.sidebar-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mobile-sidebar-close { display: none; width: 34px; height: 34px; flex: 0 0 auto; padding: 0; place-items: center; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--blue); line-height: 1; }
.mobile-sidebar-close:hover { border-color: var(--orange); background: var(--orange); color: #fff; }
.mobile-sidebar-close svg { width: 18px; height: 18px; }
.source-titlebar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 20px 8px; padding: 0 2px 10px; border-bottom: 1px solid var(--blue); }
.source-titlebar > div { display: flex; align-items: center; gap: 8px; }
.source-titlebar h2 { margin: 0; color: var(--ink); font-size: 20px; line-height: 28px; }
.source-titlebar #document-count { min-width: 24px; padding: 2px 7px; border: 1px solid var(--blue); border-radius: 99px; color: var(--muted); font-size: 12px; text-align: center; }
.source-title-actions { display: flex; align-items: center; gap: 7px; }
.upload-icon, .sidebar-icon-button { display: inline-grid; place-items: center; width: 28px; height: 28px; flex: 0 0 auto; padding: 0; border-radius: 8px; cursor: pointer; }
.sidebar-icon-button { border: 1px solid var(--blue); background: var(--page); color: var(--blue); }
.sidebar-icon-button:hover, .sidebar-icon-button.configured { border-color: var(--orange); background: #fff0dc; color: var(--orange-dark); }
.upload-icon { border: 1px solid var(--orange); background: var(--orange); color: #fff; }
.upload-icon input { display: none; }
.upload-icon svg, .sidebar-icon-button svg { display: block; width: 16px; height: 16px; }
.upload-icon:hover { background: var(--orange-dark); border-color: var(--orange-dark); }
.notebook-picker { display: grid; gap: 8px; margin-top: 14px; }
.notebook-select-wrap { position: relative; width: 100%; }
.notebook-picker select { appearance: none; width: 100%; min-width: 0; padding: 10px 42px 10px 12px; border: 1px solid var(--blue); border-radius: var(--radius); color: var(--ink); background: var(--page); font-weight: 700; outline: none; transition: border-color .2s, box-shadow .2s; }
.notebook-picker select:hover { border-color: var(--orange); }
.notebook-picker select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.notebook-select-wrap > svg { position: absolute; top: 50%; right: 13px; width: 18px; height: 18px; color: var(--blue); pointer-events: none; transform: translateY(-50%); }

.hint { margin: 0 20px 18px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.outline-button { display: inline-flex; width: fit-content; align-items: center; gap: 6px; padding: 7px 10px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--ink); font-size: 13px; font-weight: 700; }
.outline-button:hover { border-color: var(--orange); background: #fff0dc; }
.documents { overflow: auto; padding: 0 20px 32px; }
.document { display: grid; grid-template-columns: 18px minmax(0, 1fr) 32px; gap: 10px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--blue); font-size: 13px; }
.document.readonly { grid-template-columns: 18px minmax(0, 1fr); }
.document-name { min-width: 0; display: grid; gap: 5px; }
.document-title { overflow: hidden; color: var(--ink); font-size: 14px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.document-meta { color: var(--muted); font-size: 13px; }
.delete { width: 30px; height: 30px; display: grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: var(--radius); color: var(--blue); background: transparent; line-height: 0; }
.delete svg { display: block; width: 18px; height: 18px; }
.delete:hover { border-color: var(--blue); background: var(--card); color: var(--ink); }

.chat-panel { background: var(--page); }
.messages { flex: 1; overflow: auto; padding: 32px max(32px, 9%); background: var(--page); }
.message { width: fit-content; max-width: min(860px, 100%); margin: 0 0 20px; padding: 16px 18px; overflow-wrap: anywhere; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); white-space: pre-wrap; line-height: 1.7; font-size: 16px; }
.message.user { max-width: 76%; margin-left: auto; background: #fff0dc; }
.message.assistant { margin-right: auto; background: var(--card); }
.message.pending { min-width: 68px; min-height: 52px; display: inline-flex; align-items: center; justify-content: center; }
.typing-indicator { display: inline-flex; align-items: center; gap: 5px; min-height: 18px; }
.typing-indicator span { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: typing-bounce 1.15s infinite ease-in-out; }
.typing-indicator span:nth-child(2) { animation-delay: .16s; }
.typing-indicator span:nth-child(3) { animation-delay: .32s; }
@keyframes typing-bounce {
  0%, 60%, 100% { opacity: .35; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}
.status { margin: 12px; color: var(--muted); text-align: center; font-size: 13px; }

.input-area { padding: 20px 24px 24px; border-top: 1px solid var(--blue); background: var(--page); }
.input-box { max-width: 920px; margin: 0 auto; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); transition: box-shadow .2s, border-color .2s; }
.input-box:focus-within { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.input-box textarea { display: block; width: 100%; min-height: 58px; max-height: 180px; padding: 16px; resize: none; border: 0; outline: 0; color: var(--ink); background: transparent; line-height: 1.5; }
.input-divider { height: 1px; margin: 0 16px; background: var(--blue); opacity: .55; }
.input-row-bottom { min-height: 52px; padding: 8px 10px 8px 16px; display: flex; align-items: center; justify-content: space-between; }
.input-actions-left { display: flex; align-items: center; gap: 10px; color: var(--muted); flex-wrap: wrap; }
.input-actions-left i { width: 16px; height: 16px; color: var(--blue); }
.deep-mode-toggle { display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; padding: 4px 10px 4px 8px; border: 1px solid var(--blue); border-radius: 99px; color: var(--muted); font-size: 12px; font-weight: 700; white-space: nowrap; cursor: pointer; user-select: none; }
.deep-mode-toggle input { width: auto; accent-color: var(--orange); cursor: pointer; }
.deep-mode-toggle:hover { border-color: var(--orange); color: var(--ink); }
.send-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--orange); border-radius: var(--radius); background: var(--orange); color: #fff; }
.send-button:disabled { opacity: .55; }

.reader-header { margin-bottom: 16px; }
.right-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 14px 14px 0; }
.right-tab { display: inline-flex; min-width: 0; align-items: center; justify-content: center; gap: 6px; padding: 9px 6px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--muted); font-size: 12px; font-weight: 700; }
.right-tab svg { width: 15px; height: 15px; flex: 0 0 auto; }
.right-tab.active { border-color: var(--orange); background: var(--orange); color: #fff; }
.right-panel { display: none; min-height: 0; flex: 1; flex-direction: column; overflow: hidden; }
.right-panel.active { display: flex; }
.right-panel-toolbar { display: grid; gap: 10px; padding: 18px 16px 12px; }
.right-list { min-height: 0; overflow: auto; padding: 4px 16px 24px; }
.right-list .result-card { padding: 12px; }
.right-list .comparison-grid { grid-template-columns: 1fr; }
.reader-content { overflow: auto; padding: 0 20px 32px; }
.source-block { scroll-margin-top: 12px; padding: 16px; margin-bottom: 20px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); white-space: pre-wrap; line-height: 1.7; font-size: 16px; }
.source-block.active { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.block-meta { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.citation { margin: 0 2px; padding: 2px 6px; border: 1px solid var(--blue); border-radius: 8px; background: var(--page); color: var(--ink); cursor: pointer; font: inherit; font-size: .88em; }
.citation:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.empty { color: var(--muted); font-size: 13px; }
.error { color: #9d2e22; }

.settings-page { display: none; position: fixed; inset: 64px 0 0; z-index: 10; overflow: auto; background: var(--page); }
.settings-page.open { display: block; }
.settings-dialog { width: min(960px, calc(100% - 40px)); margin: 32px auto 48px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); }
.settings-header { display: flex; justify-content: space-between; align-items: flex-start; padding: 28px; border-bottom: 1px solid var(--blue); }
.settings-header h2 { margin: 0; font-size: 28px; }
.settings-header p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.settings-body { display: grid; grid-template-columns: 200px 1fr; min-height: 420px; }
.settings-tabs { display: flex; flex-direction: column; gap: 4px; padding: 20px 12px; border-right: 1px solid var(--blue); }
.settings-tab { display: inline-flex; align-items: center; gap: 10px; width: 100%; padding: 11px 12px; border: 1px solid transparent; border-radius: var(--radius); background: transparent; color: var(--ink); font-size: 14px; font-weight: 700; text-align: left; }
.settings-tab i { width: 18px; height: 18px; color: var(--blue); }
.settings-tab:hover { background: var(--page); }
.settings-tab.active { background: var(--orange); border-color: var(--orange); color: #fff; }
.settings-tab.active i { color: #fff; }
.settings-panels { min-width: 0; padding: 24px 28px 28px; }
.settings-panel { display: none; }
.settings-panel.active { display: block; }
.settings-section { padding: 24px 0; border-bottom: 1px solid var(--blue); }
.settings-section:first-child { padding-top: 0; }
.settings-section h3 { margin: 0; font-size: 20px; }
.settings-section > p, .context-help { margin: 8px 0 16px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.section-heading p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.connection-status { min-height: 20px; margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.connection-status.success { color: #217746; }
.connection-status.failure { color: #9d2e22; }
.settings-section code { padding: 2px 5px; border-radius: 6px; background: var(--page); }
.settings-section label { display: grid; gap: 7px; margin: 14px 0; color: var(--ink); font-size: 13px; font-weight: 700; }
.settings-section input, .settings-section select { width: 100%; padding: 11px 12px; border: 1px solid var(--blue); border-radius: var(--radius); color: var(--ink); background: var(--page); font-weight: 400; }
.settings-section .check-label { display: flex; align-items: center; gap: 9px; }
.settings-section .check-label input { width: auto; accent-color: var(--orange); }
.cache-tls { min-height: 66px; align-self: end; }
.setting-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.setting-grid.context-settings { margin-top: 24px; }
.settings-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 28px; }
.settings-status { color: var(--muted); font-size: 13px; }
.settings-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.save-settings { display: inline-flex; align-items: center; gap: 8px; padding: 11px 16px; border: 1px solid var(--orange); border-radius: var(--radius); background: var(--orange); color: #fff; font-weight: 700; }
.notebook-card { border-color: var(--blue); }
.notebook-card.current { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.notebook-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; }
.notebook-card-actions .outline-button { padding: 8px 12px; }
.notebook-card-actions .outline-button:disabled { opacity: .55; cursor: wait; }
.account-form { display: grid; gap: 12px; margin-top: 18px; }
.account-form label { display: grid; gap: 7px; margin: 0; color: var(--ink); font-size: 13px; font-weight: 700; }
.account-form input, .account-form select, .account-actions select { width: 100%; padding: 10px 12px; border: 1px solid var(--blue); border-radius: var(--radius); color: var(--ink); background: var(--page); }
.account-create { grid-template-columns: 1fr 1fr 140px auto; align-items: end; }
.account-create .primary-button { min-height: 42px; align-self: end; justify-content: center; }
.account-card { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.account-card small { display: block; margin-top: 5px; color: var(--muted); }
.account-actions { display: flex; align-items: center; gap: 8px; }
.account-actions select { width: 110px; padding: 7px 9px; }
.delete-user { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--blue); }

.modal-backdrop { display: none; position: fixed; inset: 0; z-index: 30; place-items: center; padding: 24px; background: rgb(34 40 49 / 35%); }
.modal-backdrop.open { display: grid; }
.conversation-settings-dialog { display: flex; flex-direction: column; width: min(680px, 100%); max-height: min(820px, calc(100dvh - 48px)); overflow: hidden; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); box-shadow: 0 24px 70px rgb(34 40 49 / 22%); }
.evaluation-dialog { display: flex; flex-direction: column; width: min(900px, 100%); max-height: min(880px, calc(100dvh - 48px)); overflow: hidden; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); box-shadow: 0 24px 70px rgb(34 40 49 / 22%); }
.evaluation-modal-body { min-height: 0; padding: 24px; overflow-y: auto; overscroll-behavior: contain; }
.action-dialog { display: flex; flex-direction: column; width: min(520px, 100%); overflow: hidden; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); box-shadow: 0 24px 70px rgb(34 40 49 / 22%); }
.action-modal-body { padding: 24px; }
.action-modal-body [hidden] { display: none !important; }
.action-modal-body label { display: grid; gap: 8px; color: var(--ink); font-size: 13px; font-weight: 700; }
.action-modal-body input { width: 100%; padding: 11px 12px; border: 1px solid var(--blue); border-radius: var(--radius); color: var(--ink); background: var(--page); outline: none; }
.action-modal-body input:focus { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.action-warning { margin: 0; padding: 14px; border: 1px solid #b43a2f; border-radius: var(--radius); background: #fff1ef; color: #7f241c; font-size: 13px; line-height: 1.65; }
.action-modal-body label + .action-warning { margin-top: 16px; }
.danger-button { border-color: #b43a2f !important; background: #b43a2f !important; color: #fff !important; }
.danger-button:hover { border-color: #922d24 !important; background: #922d24 !important; }
.modal-header { display: flex; flex: 0 0 auto; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 24px; border-bottom: 1px solid var(--blue); }
.modal-header h2 { margin: 0; font-size: 28px; }
.modal-header p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.modal-close { width: 34px; height: 34px; display: grid; flex: 0 0 auto; place-items: center; padding: 0; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--blue); }
.modal-close:hover { border-color: var(--orange); color: var(--orange-dark); }
#conversation-settings-form { display: flex; min-height: 0; flex: 1 1 auto; flex-direction: column; }
.conversation-settings-body { min-height: 0; padding: 24px; overflow-y: auto; overscroll-behavior: contain; }
.conversation-setting-group { display: grid; gap: 10px; margin: 0; padding: 0 0 24px; border: 0; }
.conversation-setting-group + .conversation-setting-group { padding-top: 24px; border-top: 1px solid var(--blue); }
.conversation-setting-group legend { margin-bottom: 12px; padding: 0; font-size: 20px; font-weight: 700; }
.choice-card { display: flex; align-items: flex-start; gap: 12px; padding: 13px 14px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); cursor: pointer; }
.choice-card:has(input:checked) { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.choice-card input { margin-top: 3px; accent-color: var(--orange); }
.choice-card span { display: grid; gap: 3px; }
.choice-card strong { font-size: 14px; }
.choice-card small { color: var(--muted); font-size: 13px; }
.custom-prompt-wrap { display: grid; gap: 8px; margin-top: 4px; }
.custom-prompt-wrap[hidden] { display: none; }
.custom-prompt-wrap label { font-size: 13px; font-weight: 700; }
.custom-prompt-wrap textarea { width: 100%; min-height: 150px; padding: 12px; resize: vertical; border: 1px solid var(--blue); border-radius: var(--radius); outline: none; color: var(--ink); background: var(--page); line-height: 1.55; }
.custom-prompt-wrap textarea:focus { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.character-count { color: var(--muted); font-size: 12px; text-align: right; }
.answer-length-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.answer-length-options label { cursor: pointer; }
.answer-length-options input { position: absolute; opacity: 0; pointer-events: none; }
.answer-length-options span { display: block; padding: 10px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); color: var(--ink); font-size: 13px; font-weight: 700; text-align: center; }
.answer-length-options input:checked + span { border-color: var(--orange); background: var(--orange); color: #fff; }
.modal-footer { display: flex; flex: 0 0 auto; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 24px; border-top: 1px solid var(--blue); background: var(--card); }
.modal-footer > div { display: flex; align-items: center; gap: 10px; }
#conversation-settings-status { color: var(--muted); font-size: 13px; }
.modal-footer > span { color: var(--muted); font-size: 13px; }
.modal-footer > div { display: flex; gap: 8px; }
.toast-region { position: fixed; z-index: 60; top: 80px; right: 20px; display: grid; width: min(380px, calc(100vw - 40px)); gap: 10px; pointer-events: none; }
.toast { display: flex; align-items: flex-start; gap: 10px; padding: 13px 14px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); color: var(--ink); box-shadow: 0 12px 36px rgb(34 40 49 / 18%); line-height: 1.5; font-size: 13px; pointer-events: auto; animation: toast-in .18s ease-out; }
.toast::before { content: ""; width: 8px; height: 8px; flex: 0 0 auto; margin-top: 6px; border-radius: 50%; background: var(--blue); }
.toast.success::before { background: #217746; }
.toast.error { color: #7f241c; border-color: #b43a2f; }
.toast.error::before { background: #b43a2f; }
.toast.leaving { opacity: 0; transform: translateY(-6px); transition: opacity .18s, transform .18s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-6px); } }

.workspace-page { display: none; position: fixed; inset: 64px 0 0; z-index: 10; overflow: auto; background: var(--page); }
.workspace-page.open { display: block; }
.workspace-dialog { width: min(1000px, calc(100% - 40px)); margin: 32px auto 48px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); }
.workspace-content { padding: 28px; }
.workspace-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.workspace-toolbar.compact { margin: 18px 0 8px; }
.workspace-status { color: var(--muted); font-size: 13px; }
.primary-button { display: inline-flex; align-items: center; gap: 8px; width: fit-content; padding: 10px 13px; border: 1px solid var(--orange); border-radius: var(--radius); background: var(--orange); color: #fff; font-weight: 700; }
.primary-button:hover { border-color: var(--orange-dark); background: var(--orange-dark); }
.workspace-list { display: grid; gap: 14px; }
.result-card { padding: 16px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); }
.result-card p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.result-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.result-card-header strong { font-size: 16px; line-height: 1.4; }
.result-tag, .result-score { padding: 4px 7px; border: 1px solid var(--blue); border-radius: 8px; color: var(--ink); font-size: 12px; white-space: nowrap; }
.result-score { color: var(--muted); }
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.source-jump { min-width: 0; padding: 12px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); color: var(--ink); text-align: left; white-space: pre-wrap; font-size: 13px; line-height: 1.55; }
.source-jump:hover { border-color: var(--orange); box-shadow: 0 0 0 3px #fff0dc; }
.source-jump b { display: block; margin-bottom: 6px; color: var(--blue); }
.compact-card { padding: 10px 12px; }
.compact-card small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.conversation-card { min-height: 68px; max-height: 78px; overflow: hidden; }
.conversation-card .result-card-header { min-height: 48px; align-items: center; }
.conversation-open { min-width: 0; padding: 0; border: 0; background: transparent; color: var(--ink); text-align: left; }
.conversation-open strong { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-height: 1.35; }
.conversation-open small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-open:hover strong { color: var(--blue); }
.row-actions { display: flex; gap: 6px; }
.row-actions button, .delete-case { width: 30px; height: 30px; display: grid; place-items: center; padding: 0; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--blue); line-height: 0; }
.row-actions button:hover, .delete-case:hover { border-color: var(--blue); background: var(--card); }
.row-actions svg, .delete-case svg { display: block; width: 16px; height: 16px; }
.evaluation-form { display: grid; gap: 14px; margin-bottom: 28px; padding: 20px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); }
.evaluation-form h3, .workspace-subheading { margin: 0; font-size: 20px; }
.workspace-subheading { margin: 28px 0 14px; }
.evaluation-form label { display: grid; gap: 7px; color: var(--ink); font-size: 13px; font-weight: 700; }
.evaluation-form input, .evaluation-form textarea, .evaluation-form select { width: 100%; padding: 11px 12px; border: 1px solid var(--blue); border-radius: var(--radius); color: var(--ink); background: var(--page); font: inherit; font-weight: 400; }
.evaluation-form select { height: auto; }
.evaluation-form textarea { resize: vertical; line-height: 1.5; }
.evaluation-form .check-label { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.evaluation-form .check-label input { width: auto; }

.login-page { min-height: 100dvh; overflow: auto; background: linear-gradient(145deg, #fff 0%, #fff7e8 100%); }
.login-shell { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(460px, 100%); padding: 32px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--card); box-shadow: 0 24px 70px rgb(34 40 49 / 15%); }
.login-brand { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.login-brand img { border-radius: var(--radius); }
.login-brand h1 { margin: 0; font-size: 28px; }
.login-brand p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.login-card form { display: grid; gap: 16px; }
.login-card label { display: grid; gap: 7px; font-size: 13px; font-weight: 700; }
.login-card input { width: 100%; padding: 12px; border: 1px solid var(--blue); border-radius: var(--radius); background: var(--page); }
.login-submit { width: 100%; justify-content: center; }
.login-card .error { min-height: 20px; margin: 0; font-size: 13px; }

@media (max-width: 900px) {
  .workspace, .workspace.left-collapsed, .workspace.right-collapsed, .workspace.left-collapsed.right-collapsed { position: relative; grid-template-columns: minmax(0, 1fr); }
  .chat-panel { grid-column: 1; }
  .left-sidebar, .reader-panel { position: fixed; top: 64px; bottom: 0; z-index: 8; width: min(88vw, 390px); box-shadow: 0 18px 50px rgb(34 40 49 / 18%); transition: transform .2s ease; visibility: visible !important; }
  .left-sidebar { left: 0; transform: translateX(0); }
  .reader-panel { right: 0; transform: translateX(0); }
  .workspace.left-collapsed .left-sidebar { transform: translateX(-105%); }
  .workspace.right-collapsed .reader-panel { transform: translateX(105%); }
  .left-resizer, .right-resizer { display: none; }
  .topbar-nav { display: none; }
  .mobile-sidebar-close { display: grid; }
  .right-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)) 34px; align-items: center; }
  .input-area { padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
}
@media (max-width: 620px) {
  .topbar { height: 58px; padding: 0 10px; grid-template-columns: auto 1fr; }
  .workspace { height: calc(100dvh - 58px); }
  .left-sidebar, .reader-panel { top: 58px; width: min(94vw, 390px); }
  .topbar-brand strong { font-size: 17px; }
  .brand-logo { width: 34px; height: 34px; }
  .topbar .mobile-actions-toggle { display: inline-grid; }
  .topbar-actions-menu {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 40;
    width: 210px;
    padding: 8px;
    flex-direction: column;
    gap: 6px;
    border: 1px solid var(--blue);
    border-radius: var(--radius);
    background: var(--card);
    box-shadow: 0 18px 50px rgb(34 40 49 / 22%);
  }
  .topbar-actions.open .topbar-actions-menu { display: flex; }
  .topbar-actions-menu .topbar-icon {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    display: flex;
    justify-content: flex-start;
    gap: 10px;
    border-color: transparent;
    background: transparent;
    color: var(--ink);
    font-size: 14px;
    font-weight: 700;
  }
  .topbar-actions-menu .topbar-icon:hover { border-color: var(--orange); background: var(--orange); color: #fff; }
  .topbar-actions-menu .topbar-icon span { display: inline; }
  .topbar-icon { width: 34px; height: 34px; flex: 0 0 auto; }
  .sidebar-header, .reader-header { margin: 14px; }
  .messages { padding: 20px 14px; }
  .message { padding: 13px 14px; font-size: 15px; }
  .message.user { max-width: 90%; }
  .input-area { padding: 14px 14px calc(28px + env(safe-area-inset-bottom, 0px)); }
  .input-row-bottom { min-height: 46px; }
  .settings-dialog { width: calc(100% - 20px); margin: 12px auto 28px; }
  .settings-header { padding: 18px; }
  .settings-body { grid-template-columns: 1fr; }
  .settings-tabs { flex-direction: row; flex-wrap: wrap; padding: 12px 14px; border-right: 0; border-bottom: 1px solid var(--blue); }
  .settings-panels { padding: 18px; }
  .workspace-dialog { width: calc(100% - 20px); margin: 12px auto 28px; }
  .workspace-content { padding: 18px; }
  .modal-backdrop { padding: 12px; }
  .conversation-settings-dialog, .evaluation-dialog { max-height: calc(100dvh - 24px); }
  .modal-header, .conversation-settings-body, .evaluation-modal-body, .action-modal-body { padding: 18px; }
  .modal-footer { align-items: stretch; flex-direction: column; padding: 14px 18px; }
  .modal-footer > div { justify-content: flex-end; }
  .toast-region { top: 74px; right: 12px; width: calc(100vw - 24px); }
  .setting-grid { grid-template-columns: 1fr; gap: 0; }
  .account-create { grid-template-columns: 1fr; }
  .account-card, .account-actions { align-items: stretch; flex-direction: column; }
  .account-actions select { width: 100%; }
  .section-heading, .workspace-toolbar { align-items: stretch; flex-direction: column; }
  .comparison-grid { grid-template-columns: 1fr; }
  .right-tab { gap: 4px; font-size: 11px; }
  .login-card { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .typing-indicator span { animation: none; opacity: .7; }
  .toast { animation: none; }
}