:root {
  --bg: #f3f5f7;
  --surface: #ffffff;
  --surface-soft: #f8fafb;
  --text: #182026;
  --muted: #68737d;
  --line: #dce2e6;
  --line-strong: #c5cdd2;
  --green: #176b5b;
  --green-soft: #e7f2ef;
  --blue: #2766b1;
  --blue-soft: #eaf1f8;
  --amber: #9b630d;
  --amber-soft: #fff4db;
  --red: #ad3737;
  --red-soft: #fbeaea;
  --sidebar: #1d2529;
  --sidebar-muted: #9ba7ad;
  --radius: 8px;
  --app-viewport-height: 100vh;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

button, input, textarea, select { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }
h1, h2, p { margin: 0; }
h1 { font-size: 24px; line-height: 1.2; }
h2 { font-size: 18px; line-height: 1.3; }

.eyebrow {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 5px;
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 22px 16px 18px;
  background: var(--sidebar);
  color: #fff;
}

.brand-block { display: flex; align-items: center; gap: 11px; padding: 0 7px 25px; }
.brand-block strong { display: block; font-size: 16px; }
.brand-block span { display: block; color: var(--sidebar-muted); font-size: 10px; margin-top: 3px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border: 1px solid #5c7f76;
  border-radius: 6px;
  background: #29423c;
  color: #dff2ec;
  font-size: 17px;
  font-weight: 700;
}

.nav-list { display: grid; gap: 4px; }
.nav-button {
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #bdc6ca;
  padding: 0 14px;
  text-align: left;
  font-weight: 600;
}
.nav-button:hover { background: #263237; color: #fff; }
.nav-button.active { background: #eef4f2; color: #163e35; }

.sidebar-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding: 12px 8px 0;
  border-top: 1px solid #354045;
  color: var(--sidebar-muted);
  font-size: 12px;
}

.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #7c878c; }
.status-dot.online { background: #59b995; box-shadow: 0 0 0 3px rgba(89, 185, 149, .13); }

.main-content { min-width: 0; padding: 22px 28px 32px; }
.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto 22px;
  max-width: 1480px;
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.data-date { color: var(--muted); font-size: 13px; }

.text-button {
  min-height: 34px;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0 8px;
}
.text-button:hover { color: var(--text); }

.view-panel { display: none; max-width: 1480px; margin: 0 auto; }
.view-panel.active { display: block; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.metric-card {
  min-width: 0;
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card strong { display: block; margin: 11px 0 8px; font-size: 25px; line-height: 1.1; overflow-wrap: anywhere; }
.metric-card small { font-size: 12px; }
.attention-card { border-top: 3px solid var(--amber); padding-top: 16px; }

.overview-grid { display: grid; min-width: 0; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .65fr); gap: 18px; }
.section-block { min-width: 0; padding: 19px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.compact-heading { margin-bottom: 13px; }

.primary-button, .secondary-button {
  min-height: 38px;
  border-radius: 6px;
  padding: 0 15px;
  font-weight: 650;
}
.primary-button { border: 1px solid var(--green); background: var(--green); color: #fff; }
.primary-button:hover { background: #12594c; }
.primary-button:disabled { cursor: wait; opacity: .58; }
.secondary-button { border: 1px solid var(--line-strong); background: var(--surface); color: #344047; }
.secondary-button:hover { border-color: #8f9ca3; background: var(--surface-soft); }

.table-scroll { width: 100%; min-width: 0; max-width: 100%; overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 660px; }
th, td { border-bottom: 1px solid var(--line); padding: 11px 9px; text-align: left; white-space: nowrap; }
th { background: var(--surface-soft); color: var(--muted); font-size: 12px; font-weight: 700; }
td { font-size: 13px; }
.empty-state { display: none; padding: 28px 0 12px; color: var(--muted); text-align: center; }
.empty-state.visible { display: block; }

.status-badge { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-soft); color: var(--muted); font-size: 12px; }
.status-badge.uploaded, .status-badge.analyzing { border-color: #bfd2e7; background: var(--blue-soft); color: var(--blue); }
.status-badge.needs_confirmation, .status-badge.ready_to_commit { border-color: #ead398; background: var(--amber-soft); color: var(--amber); }
.status-badge.completed { border-color: #b8d9cf; background: var(--green-soft); color: var(--green); }
.status-badge.failed { border-color: #e8bcbc; background: var(--red-soft); color: var(--red); }

.progress-list { list-style: none; display: grid; gap: 0; margin: 0; padding: 0; }
.progress-list li { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr); align-items: center; gap: 9px; min-height: 43px; color: var(--muted); }
.progress-list li::before { content: ""; width: 10px; height: 10px; margin-left: 5px; border: 2px solid #b9c2c7; border-radius: 50%; background: #fff; z-index: 1; }
.progress-list li::after { content: ""; position: absolute; left: 10px; top: 29px; bottom: -14px; width: 1px; background: var(--line); }
.progress-list li:last-child::after { display: none; }
.progress-list li.done { color: var(--green); }
.progress-list li.done::before { border-color: var(--green); background: var(--green); }
.progress-list li.current { color: var(--text); font-weight: 650; }
.progress-list li.current::before { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-soft); }
.progress-list li.error { color: var(--red); }
.progress-list li.error::before { border-color: var(--red); background: var(--red-soft); }

.view-intro { margin-bottom: 16px; }
.upload-tool { max-width: 920px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.form-row { display: grid; grid-template-columns: 130px minmax(0, 1fr); align-items: center; gap: 14px; margin-bottom: 16px; }
.wide-row { align-items: start; }
.field-label { font-weight: 650; }
input[type="date"], input[type="password"], textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  outline: 0;
}
input[type="date"], input[type="password"] { height: 42px; padding: 0 11px; }
textarea { resize: vertical; min-height: 76px; padding: 10px 11px; line-height: 1.5; }
input:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }

.drop-zone { position: relative; display: grid; place-items: center; min-height: 220px; border: 2px dashed #aebac0; border-radius: var(--radius); background: var(--surface-soft); padding: 24px; text-align: center; }
.drop-zone.dragging { border-color: var(--green); background: var(--green-soft); }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.drop-zone strong { font-size: 17px; }
.drop-zone span { color: var(--muted); margin: 6px 0 15px; }

.selected-files { list-style: none; display: grid; gap: 7px; margin: 12px 0 18px; padding: 0; }
.selected-files li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-soft); }
.selected-files span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.selected-files small { color: var(--muted); }
.upload-progress { display: grid; gap: 8px; margin: 4px 0 18px; padding: 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-soft); }
.upload-progress[hidden] { display: none; }
.upload-progress-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.upload-progress-heading strong { min-width: 42px; text-align: right; color: var(--blue); }
.upload-progress progress { display: block; width: 100%; height: 10px; border: 0; border-radius: 5px; overflow: hidden; accent-color: var(--blue); }
.upload-progress progress::-webkit-progress-bar { background: var(--line); }
.upload-progress progress::-webkit-progress-value { background: var(--blue); }
.upload-progress progress::-moz-progress-bar { background: var(--blue); }
.upload-progress small { min-height: 18px; color: var(--muted); overflow-wrap: anywhere; }
.upload-progress.success progress { accent-color: var(--green); }
.upload-progress.success progress::-webkit-progress-value { background: var(--green); }
.upload-progress.success progress::-moz-progress-bar { background: var(--green); }
.upload-progress.error progress { accent-color: var(--red); }
.upload-progress.error progress::-webkit-progress-value { background: var(--red); }
.upload-progress.error progress::-moz-progress-bar { background: var(--red); }
.tool-actions { display: flex; justify-content: flex-end; align-items: center; gap: 14px; }
.tool-status { min-height: 20px; color: var(--muted); margin-right: auto; }
.tool-status.error { color: var(--red); }
.tool-status.success { color: var(--green); }

.assistant-view.active { height: calc(var(--app-viewport-height) - 105px); min-height: 0; }
.chat-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; height: 100%; min-height: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.chat-column { display: grid; grid-template-rows: minmax(0, 1fr) auto; min-width: 0; min-height: 0; overflow: hidden; }
.message-list { min-height: 0; overflow: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; padding: 22px; }
.message { display: flex; margin-bottom: 14px; }
.message.user { justify-content: flex-end; }
.message-body { max-width: min(760px, 84%); border: 1px solid var(--line); border-radius: 8px; background: var(--surface-soft); padding: 11px 13px; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.55; }
.message.user .message-body { border-color: #bed0e2; background: var(--blue-soft); }
.message.processing .message-body { color: var(--muted); }
.message-meta { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.message-body a { color: var(--blue); overflow-wrap: anywhere; }
.message-body.assistant-rich { width: min(760px, 94%); max-width: min(760px, 94%); padding: 16px 18px; white-space: normal; line-height: 1.62; }
.assistant-rich .chat-heading { margin: 18px 0 7px; color: var(--text); font-size: 14px; line-height: 1.35; }
.assistant-rich .chat-heading:first-child { margin-top: 0; font-size: 16px; }
.assistant-rich .chat-paragraph { margin: 7px 0; }
.assistant-rich .chat-list { display: grid; gap: 5px; margin: 7px 0 10px; padding-left: 22px; }
.assistant-rich code { display: inline; padding: 2px 6px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); color: var(--text); font-family: inherit; font-size: .94em; font-weight: 700; white-space: normal; }
.message-retry { display: block; min-height: 32px; margin-top: 12px; }
.chat-composer { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) 42px; gap: 9px; padding: 13px; padding-bottom: max(13px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: var(--surface); }
.chat-composer textarea { min-height: 48px; max-height: 150px; font-size: 16px; }
.icon-button { width: 42px; height: 42px; align-self: end; border: 1px solid var(--green); border-radius: 6px; background: var(--green); color: #fff; font-size: 21px; line-height: 1; touch-action: manipulation; }
.icon-button:disabled { opacity: .55; cursor: wait; }
.assistant-side { padding: 20px; border-left: 1px solid var(--line); background: var(--surface-soft); }
.case-control { display: grid; gap: 9px; margin-bottom: 17px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.case-control > label { color: var(--muted); font-size: 12px; font-weight: 700; }
.case-control select { width: 100%; min-width: 0; height: 38px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--text); padding: 0 28px 0 9px; }
.case-status-line { display: grid; gap: 3px; }
.case-status-line strong { font-size: 13px; }
.case-status-line span { color: var(--muted); font-size: 11px; line-height: 1.45; }
.case-batch-list { list-style: none; display: grid; gap: 5px; margin: 0; padding: 0; }
.case-batch-list li { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; }
.case-validation { min-height: 36px; padding: 8px 9px; border-left: 3px solid var(--line-strong); background: var(--surface); color: var(--muted); font-size: 11px; line-height: 1.5; }
.case-validation.ready { border-left-color: var(--green); background: var(--green-soft); color: var(--green); }
.case-validation.blocked { border-left-color: var(--red); background: var(--red-soft); color: var(--red); }
.case-control .primary-button { width: 100%; }
.assistant-rule { display: grid; gap: 5px; margin-top: 21px; padding-top: 16px; border-top: 1px solid var(--line); }
.assistant-rule span { color: var(--muted); font-size: 12px; line-height: 1.5; }

.news-toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 14px; }
.news-status-band { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 11px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.news-filters { display: flex; flex-wrap: wrap; gap: 12px; padding: 14px 0 18px; }
.news-filters label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 650; }
.news-filters select { width: 180px; height: 38px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--surface); color: var(--text); padding: 0 30px 0 10px; }
.news-filters select:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px var(--blue-soft); }
.news-mobile-tabs { display: none; }
.news-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 390px); gap: 24px; align-items: start; }
.news-feed-pane, .news-events-pane { min-width: 0; }
.news-count { color: var(--muted); font-size: 12px; white-space: nowrap; }
.news-list { display: grid; gap: 10px; }
.news-item { min-width: 0; padding: 16px 17px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.news-item-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 12px; margin-bottom: 9px; color: var(--muted); font-size: 12px; }
.news-source { color: var(--text); font-weight: 700; }
.news-item h3, .event-body h3 { margin: 0; font-size: 16px; line-height: 1.42; letter-spacing: 0; }
.news-item h3 a { color: var(--text); text-decoration: none; }
.news-item h3 a:hover { color: var(--blue); text-decoration: underline; }
.impact-badge { display: inline-flex; align-items: center; min-height: 24px; margin-left: auto; padding: 0 8px; border: 1px solid var(--line); border-radius: 999px; font-weight: 700; }
.impact-badge.bullish { border-color: #acd6c8; background: var(--green-soft); color: var(--green); }
.impact-badge.bearish { border-color: #e5b7b7; background: var(--red-soft); color: var(--red); }
.impact-badge.neutral { border-color: #c5d4e4; background: var(--blue-soft); color: var(--blue); }
.impact-badge.uncertain { border-color: #e4cf9a; background: var(--amber-soft); color: var(--amber); }
.news-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 11px 0; }
.news-tag { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-soft); color: var(--muted); font-size: 11px; }
.news-rationale { color: #344047; line-height: 1.65; }
.news-details { margin-top: 10px; color: var(--muted); font-size: 12px; }
.news-details summary { width: fit-content; cursor: pointer; color: var(--blue); }
.news-details p { margin-top: 7px; line-height: 1.55; }
.news-item-footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.news-ask-button { min-height: 32px; flex: 0 0 auto; }
.news-empty { display: none; padding: 32px 0; color: var(--muted); text-align: center; }
.news-empty.visible { display: block; }
.event-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.event-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.event-list time { display: grid; align-content: start; gap: 3px; color: var(--muted); font-size: 11px; }
.event-list time strong { color: var(--text); font-size: 15px; }
.event-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.event-importance { display: inline-flex; min-height: 22px; align-items: center; padding: 0 7px; border-radius: 999px; background: var(--blue-soft); color: var(--blue); font-size: 11px; white-space: nowrap; }
.event-importance.high { background: var(--red-soft); color: var(--red); }
.event-source { margin-top: 5px; font-size: 11px; }
.event-source a { color: var(--blue); }
.event-watch { margin-top: 9px; color: #344047; font-size: 12px; line-height: 1.55; }
.event-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-top: 9px; }
.event-actions .text-button { min-height: 28px; margin-left: auto; color: var(--blue); }

.dashboard-toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
#dashboard-frame { display: block; width: 100%; height: calc(100vh - 145px); min-height: 680px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 20; max-width: 360px; padding: 11px 14px; border: 1px solid var(--line-strong); border-radius: 6px; background: #202a2e; color: #fff; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .18s ease, transform .18s ease; }
.toast.visible { opacity: 1; transform: translateY(0); }

.login-body { display: grid; min-height: 100vh; place-items: center; padding: 20px; background: #edf1f2; }
.login-shell { width: min(100%, 390px); }
.login-panel { padding: 30px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); box-shadow: 0 16px 45px rgba(29, 37, 41, .11); }
.login-panel .brand-mark { margin-bottom: 24px; }
.login-panel h1 { font-size: 27px; }
.login-subtitle { margin-top: 7px; color: var(--muted); }
.login-form { display: grid; gap: 9px; margin-top: 26px; }
.login-form label { font-weight: 650; }
.login-form .primary-button { margin-top: 7px; }
.form-error { color: var(--red); font-size: 13px; }
.password-label { margin-top: 18px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .overview-grid { grid-template-columns: 1fr; }
  .chat-layout { grid-template-columns: minmax(0, 1fr) 260px; }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { position: sticky; z-index: 10; height: auto; padding: 10px 12px 0; }
  .brand-block { padding: 0 3px 9px; }
  .brand-block .brand-mark { width: 30px; height: 30px; flex-basis: 30px; font-size: 14px; }
  .nav-list { grid-template-columns: repeat(5, 1fr); gap: 3px; }
  .nav-button { height: 38px; padding: 0; text-align: center; font-size: 13px; }
  .sidebar-foot { display: none; }
  .main-content { padding: 17px 13px 22px; }
  .topbar { align-items: center; margin-bottom: 16px; }
  .topbar .eyebrow { display: none; }
  .topbar h1 { font-size: 20px; }
  .data-date { display: none; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { min-height: 112px; padding: 14px; }
  .metric-card strong { font-size: 20px; }
  .section-block, .upload-tool { padding: 15px; }
  .form-row { grid-template-columns: 1fr; gap: 7px; }
  .drop-zone { min-height: 190px; }
  .upload-progress { margin-bottom: 14px; }
  .assistant-view.active { height: calc(var(--app-viewport-height) - 174px); min-height: 0; }
  .chat-layout { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .chat-column { grid-row: 2; }
  .assistant-side { display: block; grid-row: 1; padding: 10px; border: 0; border-bottom: 1px solid var(--line); }
  .assistant-side > .section-heading, .assistant-side > .progress-list, .assistant-rule { display: none; }
  .case-control { grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 7px 9px; margin: 0; padding: 0; border: 0; }
  .case-control > label, .case-control select, .case-status-line, .case-validation { grid-column: 1; }
  .case-control > label { display: none; }
  .case-control .primary-button { grid-column: 2; grid-row: 1 / span 3; width: auto; min-width: 112px; min-height: 40px; align-self: center; }
  .case-batch-list { display: none; }
  .case-validation { min-height: 0; padding: 0 0 0 7px; background: transparent; }
  .case-control select { height: 34px; }
  .message-list { padding: 14px; }
  .chat-composer { padding: 10px; padding-bottom: max(10px, env(safe-area-inset-bottom)); }
  .message-body { max-width: 91%; }
  .message-body.assistant-rich { width: 96%; max-width: 96%; padding: 14px; }
  .news-toolbar { align-items: center; }
  .news-toolbar h2 { font-size: 16px; }
  .news-toolbar .primary-button { min-height: 36px; padding: 0 12px; }
  .news-status-band { gap: 6px 14px; }
  .news-mobile-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 14px 0 2px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-soft); padding: 2px; }
  .news-mobile-tabs button { height: 34px; border: 0; border-radius: 5px; background: transparent; color: var(--muted); }
  .news-mobile-tabs button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(24, 32, 38, .12); }
  .news-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
  .news-filters label:first-child { grid-column: 1 / -1; }
  .news-filters select { width: 100%; min-width: 0; }
  .news-layout { grid-template-columns: 1fr; gap: 18px; }
  .news-layout .news-pane-hidden { display: none; }
  .news-item { padding: 14px; }
  .news-item-footer { align-items: flex-start; flex-direction: column; }
  .news-ask-button { width: 100%; }
  .event-list li { grid-template-columns: 62px minmax(0, 1fr); gap: 10px; }
  #dashboard-frame { height: calc(100vh - 170px); min-height: 600px; }
}

@media (max-width: 430px) {
  .metric-grid { grid-template-columns: 1fr; }
  .topbar-actions { gap: 4px; }
  .tool-actions { align-items: stretch; flex-direction: column; }
  .tool-actions .primary-button { width: 100%; }
  .dashboard-toolbar { align-items: center; }
}

/* Returns center */
.returns-view { --returns-positive: var(--red); --returns-negative: var(--green); }
.returns-toolbar,
.returns-section-heading,
.returns-ranking-heading,
.returns-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.returns-toolbar { align-items: center; margin-bottom: 14px; }
.returns-as-of { color: var(--muted); font-size: 12px; }
.returns-mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 480px;
  margin-bottom: 12px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #e9edef;
}
.returns-mode-tabs button,
.returns-segmented button {
  min-height: 36px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  padding: 0 13px;
  font-weight: 650;
}
.returns-mode-tabs button.active,
.returns-segmented button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(24, 32, 38, .13);
}
.returns-control-band {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(200px, .8fr) minmax(350px, 1.3fr) auto;
  align-items: end;
  gap: 14px;
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.returns-period-control,
.returns-select-control,
.returns-method-control { min-width: 0; }
.returns-method-control { margin: 0; padding: 0; border: 0; }
.returns-control-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}
.returns-period-stepper {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 36px;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
}
.returns-period-stepper strong { min-width: 0; text-align: center; overflow-wrap: anywhere; }
.returns-icon-button {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: #4a565d;
  font-size: 24px;
  line-height: 1;
}
.returns-icon-button:hover { background: var(--surface-soft); color: var(--text); }
.returns-icon-button:disabled { cursor: default; opacity: .3; }
.returns-select-control select,
.returns-ranking-heading select {
  width: 100%;
  min-width: 0;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 0 30px 0 10px;
}
.returns-select-control select:focus,
.returns-ranking-heading select:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 3px var(--blue-soft); }
.returns-segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-soft);
}
.returns-segmented button { min-width: 0; white-space: normal; line-height: 1.25; }
.returns-loading {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.returns-loading[hidden] { display: none; }
.returns-loading span {
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: returns-spin .7s linear infinite;
}
@keyframes returns-spin { to { transform: rotate(360deg); } }
.returns-error-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding: 10px 13px;
  border: 1px solid #e8bcbc;
  border-radius: 6px;
  background: var(--red-soft);
  color: var(--red);
}
.returns-error-band[hidden] { display: none; }
.returns-error-band .text-button { flex: 0 0 auto; color: var(--red); font-weight: 700; }
.returns-summary-band {
  margin-bottom: 16px;
  padding: 19px 20px;
  border: 1px solid var(--line);
  border-top: 3px solid #51626b;
  border-radius: var(--radius);
  background: var(--surface);
}
.returns-summary-main { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; }
.returns-summary-main span,
.returns-summary-main small { display: block; color: var(--muted); }
.returns-summary-main strong { display: block; margin: 8px 0 7px; font-size: 31px; line-height: 1; overflow-wrap: anywhere; }
.returns-rate-value { min-width: 190px; text-align: right; }
.returns-status-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.returns-status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 11px;
}
.returns-status-badge.good { border-color: #b8d9cf; background: var(--green-soft); color: var(--green); }
.returns-status-badge.warn { border-color: #ead398; background: var(--amber-soft); color: var(--amber); }
.returns-status-badge.bad { border-color: #e8bcbc; background: var(--red-soft); color: var(--red); }
.returns-summary-metrics {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 17px 0 0;
  border-top: 1px solid var(--line);
}
.returns-summary-metrics div { min-width: 0; padding: 14px 13px 0 0; }
.returns-summary-metrics dt { color: var(--muted); font-size: 11px; }
.returns-summary-metrics dd { margin: 5px 0 0; font-size: 14px; font-weight: 700; overflow-wrap: anywhere; }
.returns-quality-note {
  margin-top: 15px;
  padding: 10px 12px;
  border-left: 3px solid var(--amber);
  background: var(--amber-soft);
  color: #71501a;
  font-size: 12px;
  line-height: 1.55;
}
.returns-quality-note[hidden] { display: none; }
.returns-content-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr); gap: 16px; margin-bottom: 16px; }
.returns-section {
  min-width: 0;
  padding: 18px 19px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.returns-section-heading { margin-bottom: 15px; }
.returns-section-heading > span { color: var(--muted); font-size: 11px; text-align: right; }
.returns-calendar-weekdays,
.returns-period-grid.month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; }
.returns-calendar-weekdays { margin-bottom: 5px; color: var(--muted); font-size: 11px; text-align: center; }
.returns-calendar-weekdays span { padding: 5px 0; }
.returns-period-grid.year-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.returns-period-grid.ledger-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.returns-period-cell {
  position: relative;
  min-width: 0;
  min-height: 72px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--text);
  padding: 8px;
  text-align: left;
}
.returns-period-cell:not(:disabled):hover,
.returns-period-cell.selected { border-color: #8aa6b8; background: var(--blue-soft); }
.returns-period-cell:focus-visible { outline: 2px solid var(--blue); outline-offset: 1px; }
.returns-period-cell:disabled { cursor: default; }
.returns-period-cell.empty-day { background: transparent; }
.returns-period-cell strong,
.returns-period-cell small,
.returns-period-cell span { display: block; }
.returns-period-cell strong { font-size: 13px; line-height: 1.25; }
.returns-period-cell .returns-cell-amount { margin-top: 9px; font-size: 12px; font-weight: 700; overflow-wrap: anywhere; }
.returns-period-cell small { margin-top: 3px; color: var(--muted); font-size: 10px; line-height: 1.3; }
.returns-period-cell.unavailable { color: var(--muted); }
.returns-period-cell.unavailable strong { font-weight: 600; }
.returns-period-cell.positive { background: #fdf1f1; }
.returns-period-cell.negative { background: #ebf5f1; }
.returns-period-cell.positive .returns-cell-amount { color: var(--returns-positive); }
.returns-period-cell.negative .returns-cell-amount { color: var(--returns-negative); }
.returns-reconciliation-list { display: grid; gap: 0; margin: 0; }
.returns-reconciliation-list div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.returns-reconciliation-list dt { color: var(--muted); font-size: 12px; line-height: 1.4; }
.returns-reconciliation-list dd { margin: 0; font-weight: 700; white-space: nowrap; }
.returns-reconciliation-list div.total dt,
.returns-reconciliation-list div.total dd { color: var(--text); font-size: 14px; }
.returns-reconciliation-note { margin-top: 12px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.returns-chart-section { margin-bottom: 16px; }
.returns-chart-heading { align-items: center; }
.returns-chart-toggle { width: 190px; }
.returns-chart-legend { display: flex; flex-wrap: wrap; gap: 9px 18px; min-height: 22px; margin-bottom: 5px; color: var(--muted); font-size: 11px; }
.returns-chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.returns-chart-legend i { width: 9px; height: 9px; border-radius: 50%; }
.returns-chart { position: relative; width: 100%; height: 290px; min-height: 290px; overflow: hidden; touch-action: manipulation; }
.returns-chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.returns-chart .grid-line { stroke: #e8edef; stroke-width: 1; }
.returns-chart .axis-label { fill: var(--muted); font-size: 10px; }
.returns-chart .series-line { fill: none; stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.returns-chart .series-point { cursor: pointer; stroke: #fff; stroke-width: 2; vector-effect: non-scaling-stroke; }
.returns-chart .series-point:focus { outline: none; stroke: #182026; stroke-width: 3; }
.returns-chart-tooltip {
  position: absolute;
  z-index: 3;
  width: min(220px, calc(100% - 16px));
  padding: 10px 11px;
  border-radius: 6px;
  background: #1c252a;
  color: #fff;
  box-shadow: 0 7px 22px rgba(16, 24, 28, .24);
  pointer-events: none;
}
.returns-chart-tooltip strong { display: block; margin-bottom: 6px; font-size: 12px; }
.returns-chart-tooltip span { display: flex; justify-content: space-between; gap: 10px; margin-top: 4px; font-size: 11px; }
.returns-ranking-heading { align-items: center; }
.returns-ranking-heading label { display: grid; grid-template-columns: auto 220px; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.returns-table-wrap { width: 100%; overflow: auto; }
.returns-ranking-table { min-width: 680px; }
.returns-ranking-table td:first-child { max-width: 420px; white-space: normal; }
.returns-product-cell { display: grid; gap: 3px; }
.returns-product-cell small { color: var(--muted); font-size: 10px; }
.returns-product-status {
  display: inline-flex;
  align-items: center;
  min-height: 23px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 11px;
}
.returns-number { font-variant-numeric: tabular-nums; }
.returns-number.positive { color: var(--returns-positive); }
.returns-number.negative { color: var(--returns-negative); }
.returns-empty { padding: 28px 10px; color: var(--muted); text-align: center; }
.returns-empty[hidden] { display: none; }
.returns-detail-backdrop { position: fixed; inset: 0; z-index: 29; background: rgba(18, 26, 30, .35); }
.returns-detail-backdrop[hidden] { display: none; }
.returns-detail {
  position: fixed;
  z-index: 30;
  top: 0;
  right: 0;
  width: min(520px, 92vw);
  height: 100%;
  padding: 21px;
  padding-bottom: max(21px, env(safe-area-inset-bottom));
  border-left: 1px solid var(--line);
  background: var(--surface);
  box-shadow: -12px 0 36px rgba(24, 32, 38, .17);
  overflow-y: auto;
  transform: translateX(105%);
  transition: transform .2s ease;
}
.returns-detail.open { transform: translateX(0); }
.returns-detail-header { align-items: center; padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.returns-detail-loading { padding: 28px 0; color: var(--muted); text-align: center; }
.returns-detail-loading[hidden] { display: none; }
.returns-detail-content { display: grid; gap: 18px; padding-top: 17px; }
.returns-detail-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.returns-detail-summary div { min-width: 0; padding: 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-soft); }
.returns-detail-summary span { display: block; color: var(--muted); font-size: 10px; }
.returns-detail-summary strong { display: block; margin-top: 5px; font-size: 14px; overflow-wrap: anywhere; }
.returns-detail-block h3 { margin: 0 0 9px; font-size: 14px; }
.returns-detail-list { list-style: none; display: grid; gap: 0; margin: 0; padding: 0; }
.returns-detail-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.returns-detail-list li span:first-child { min-width: 0; overflow-wrap: anywhere; }
.returns-detail-list li small { display: block; margin-top: 3px; color: var(--muted); }
.returns-detail-formula { padding: 11px; border-left: 3px solid var(--blue); background: var(--blue-soft); color: #274c6d; font-size: 12px; line-height: 1.55; }
body.returns-detail-open { overflow: hidden; }

@media (max-width: 1100px) {
  .returns-control-band { grid-template-columns: 1fr 1fr; }
  .returns-loading { justify-self: start; }
  .returns-summary-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .returns-content-grid { grid-template-columns: minmax(0, 1fr) 300px; }
}

@media (max-width: 760px) {
  .nav-list { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .nav-button { font-size: 12px; }
  .returns-toolbar { margin-bottom: 11px; }
  .returns-toolbar h2 { font-size: 16px; }
  .returns-mode-tabs { max-width: none; }
  .returns-control-band { grid-template-columns: 1fr; gap: 11px; padding: 13px; }
  .returns-method-control { min-width: 0; }
  .returns-summary-band { padding: 16px; }
  .returns-summary-main { grid-template-columns: 1fr 1fr; gap: 14px; }
  .returns-summary-main strong { font-size: clamp(21px, 6.6vw, 28px); }
  .returns-rate-value { min-width: 0; }
  .returns-summary-metrics { grid-template-columns: 1fr; }
  .returns-summary-metrics div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; gap: 12px; padding-right: 0; }
  .returns-summary-metrics dd { text-align: right; }
  .returns-content-grid { grid-template-columns: 1fr; }
  .returns-section { padding: 15px; }
  .returns-calendar-weekdays,
  .returns-period-grid.month-grid { gap: 3px; }
  .returns-period-cell { min-height: 64px; padding: 6px 4px; }
  .returns-period-cell strong { font-size: 12px; }
  .returns-period-cell .returns-cell-amount { margin-top: 7px; font-size: 10px; }
  .returns-period-grid.year-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .returns-period-grid.ledger-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .returns-reconciliation { order: 2; }
  .returns-chart { height: 250px; min-height: 250px; }
  .returns-ranking-heading { align-items: stretch; flex-direction: column; }
  .returns-ranking-heading label { grid-template-columns: 44px minmax(0, 1fr); }
  .returns-detail {
    top: auto;
    bottom: 0;
    width: 100%;
    height: min(82vh, 720px);
    border-top: 1px solid var(--line);
    border-left: 0;
    border-radius: 8px 8px 0 0;
    transform: translateY(105%);
  }
  .returns-detail.open { transform: translateY(0); }
}

@media (max-width: 430px) {
  .returns-as-of { max-width: 118px; text-align: right; }
  .returns-segmented button { padding: 0 7px; font-size: 12px; }
  .returns-summary-main { grid-template-columns: 1fr; }
  .returns-rate-value { padding-top: 13px; border-top: 1px solid var(--line); text-align: left; }
  .returns-summary-metrics { grid-template-columns: 1fr; }
  .returns-period-grid.year-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .returns-chart-heading { align-items: stretch; flex-direction: column; }
  .returns-chart-toggle { width: 100%; }
  .returns-detail { padding: 17px 14px; padding-bottom: max(17px, env(safe-area-inset-bottom)); }
}