:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #667085;
  --soft: #f4f7f6;
  --paper: #fffdf8;
  --line: #d9e0dc;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --coral: #c2410c;
  --gold: #b7791f;
  --blue: #2563eb;
  --shadow: 0 18px 50px rgba(31, 41, 51, 0.12);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.12), rgba(255, 253, 248, 0) 34rem),
    var(--paper);
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

button,
select,
input {
  font: inherit;
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20rem;
  gap: 2rem;
  align-items: end;
  max-width: 1220px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 2rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4rem, 10vw, 9rem);
  line-height: 0.86;
}

.lede {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  color: #384250;
  font-size: 1.15rem;
  line-height: 1.8;
}

.header-panel {
  display: grid;
  gap: 0.45rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.78);
  box-shadow: var(--shadow);
}

.panel-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.header-panel strong {
  font-size: 1.8rem;
}

.header-panel span:last-child {
  color: var(--muted);
  line-height: 1.5;
}

.app-shell {
  display: grid;
  grid-template-columns: 19.5rem minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.sidebar {
  position: sticky;
  top: 1rem;
  display: grid;
  gap: 1rem;
}

.control-group,
.section-nav,
.stat-grid,
.content-stage {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.control-group {
  display: grid;
  gap: 0.45rem;
  padding: 0.85rem;
}

label,
.section-nav h2 {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

select,
input {
  width: 100%;
  min-height: 2.7rem;
  border: 1px solid #c8d2cd;
  border-radius: 6px;
  padding: 0 0.75rem;
  color: var(--ink);
  background: #ffffff;
}

select:focus,
input:focus,
button:focus-visible,
.view-actions a:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.22);
  outline-offset: 2px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
}

.stat {
  min-height: 5.25rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.stat:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.stat:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.stat strong {
  display: block;
  font-size: 1.45rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.section-nav {
  padding: 0.9rem;
}

.section-nav h2 {
  margin-bottom: 0.6rem;
}

#section-links {
  display: grid;
  gap: 0.4rem;
}

#section-links a {
  display: block;
  border-radius: 6px;
  padding: 0.55rem 0.6rem;
  color: #344054;
  text-decoration: none;
}

#section-links a:hover {
  background: #eef6f3;
  color: var(--accent-strong);
}

.content-stage {
  min-width: 0;
  overflow: hidden;
  box-shadow: 0 12px 34px rgba(31, 41, 51, 0.08);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.toolbar h2 {
  font-size: 1.35rem;
}

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

.view-actions button,
.view-actions a {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border: 1px solid #c8d2cd;
  border-radius: 6px;
  color: var(--ink);
  background: #ffffff;
  text-decoration: none;
  cursor: pointer;
}

.view-actions button:hover,
.view-actions a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.insight-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.insight {
  padding: 1rem 1.25rem;
  border-right: 1px solid var(--line);
}

.insight:last-child {
  border-right: 0;
}

.insight b {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent-strong);
}

.insight span {
  color: var(--muted);
  line-height: 1.55;
}

.report {
  display: grid;
  gap: 1rem;
  max-width: none;
  padding: 1rem 1.1rem 2rem;
  background: #f8faf8;
}

.report-cover,
.report-section {
  max-width: 900px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
}

.report-cover {
  padding: 1.35rem 1.35rem 1.1rem;
}

.report-cover h1 {
  max-width: none;
  font-size: 2.15rem;
  line-height: 1.08;
}

.report-section {
  display: grid;
  gap: 0.8rem;
  padding: 1.15rem 1.25rem 1.25rem;
}

.article-ad {
  display: grid;
  gap: 0.65rem;
  max-width: 900px;
  border: 1px dashed #c9d3ce;
  border-radius: 8px;
  padding: 0.9rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.7);
}

.article-ad-pending {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.article-ad-pending span,
.article-ad-empty {
  display: none;
}

.article-ad-filled {
  min-height: 9rem;
}

.article-ad span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-kicker {
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.report h2 {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  font-size: 1.38rem;
  line-height: 1.25;
}

.report h2 span {
  flex: 0 0 auto;
  min-width: 2.25rem;
  color: var(--coral);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
}

.report h3 {
  margin-top: 0.4rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
  font-size: 1.02rem;
  line-height: 1.45;
}

.report p,
.report li {
  color: #344054;
  font-size: 1rem;
  line-height: 1.72;
}

.report p {
  margin: 0;
}

.report-list {
  display: grid;
  gap: 0.55rem;
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
}

.report-list li {
  position: relative;
  border: 1px solid #dfe6e2;
  border-radius: 7px;
  padding: 0.75rem 0.85rem 0.78rem 1rem;
  background: #ffffff;
}

.report-list li::before {
  position: absolute;
  top: 0.95rem;
  left: 0.45rem;
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.report-list li.depth-1 {
  margin-left: 1rem;
  background: #fbfcfb;
}

.report-list li.depth-2,
.report-list li.depth-3 {
  margin-left: 2rem;
  background: #fbfcfb;
}

.report-list li.trend-item {
  border-left: 4px solid var(--gold);
  background: #fffdf7;
}

.report-list li.trend-item::before {
  background: var(--gold);
}

.report mark {
  border-radius: 3px;
  padding: 0.08rem 0.16rem;
  background: rgba(183, 121, 31, 0.24);
}

.empty-state {
  padding: 2rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header,
  .app-shell {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(3.4rem, 18vw, 5rem);
  }

  .sidebar {
    position: static;
  }

  .insight-strip {
    grid-template-columns: 1fr;
  }

  .insight {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .insight:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .site-header,
  .app-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .report {
    padding: 1rem 1rem 2rem;
  }

  .report h1 {
    font-size: 1.9rem;
  }
}

/* Editorial daily layout inspired by issue-based AI briefing products. */
:root {
  color-scheme: dark;
  --ink: #e7edf7;
  --muted: #8b96aa;
  --paper: #080d16;
  --panel: #0d1420;
  --panel-soft: #101a28;
  --line: #1d2838;
  --line-strong: #263448;
  --accent: #39dca2;
  --accent-strong: #20c997;
  --coral: #f2c078;
  --gold: #39dca2;
  --blue: #88a7ff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 12%, rgba(57, 220, 162, 0.08), transparent 28rem),
    linear-gradient(180deg, #0b111c 0%, #080d16 38rem),
    var(--paper);
}

a {
  color: var(--accent);
}

.app-shell {
  display: grid;
  grid-template-columns: 19.5rem minmax(0, 1fr);
  gap: 0;
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: grid;
  gap: 1.05rem;
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  padding: 1.25rem 1.35rem 2rem;
  background: rgba(9, 14, 23, 0.9);
}

.main-column {
  min-width: 0;
  padding: 4rem clamp(1.25rem, 5vw, 6rem) 5rem;
}

.brand-mark {
  display: none;
  gap: 0.1rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark span {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.brand-mark strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.25rem;
  line-height: 1;
}

.site-header {
  display: block;
  max-width: 70rem;
  margin: 0;
  padding: 0 0 5.2rem;
}

.mast-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.mast-meta span {
  display: block;
  width: 3.2rem;
  height: 1px;
  background: var(--accent);
}

.mast-meta b {
  color: #aab4c7;
  font-weight: inherit;
}

h1 {
  max-width: none;
}

.site-header h1 {
  color: #eef4ff;
  font-size: clamp(4rem, 7.8vw, 8.3rem);
  line-height: 0.86;
  letter-spacing: 0;
  white-space: nowrap;
}

.site-header h1 span {
  color: var(--accent);
}

.lede {
  color: var(--muted);
}

.issue-line {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  margin-top: 2.25rem;
  color: #bac5d7;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.issue-line::after {
  flex: 1 1 auto;
  order: 2;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.issue-line time {
  order: 1;
}

.issue-line span {
  order: 3;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.header-panel,
.control-group,
.section-nav,
.archive-nav,
.stat-grid,
.content-stage {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 19, 31, 0.72);
  box-shadow: none;
}

.header-panel {
  border-color: var(--accent);
  min-height: 7.8rem;
  padding: 1.75rem 1.55rem;
  background: rgba(12, 19, 31, 0.74);
}

.panel-label,
label,
.section-nav h2,
.archive-nav h2,
.eyebrow {
  color: var(--accent);
  letter-spacing: 0.12em;
}

.header-panel strong {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.header-panel span:last-child {
  color: #aab4c7;
}

select,
input {
  border-color: var(--line-strong);
  color: var(--ink);
  background: #090f19;
}

input::placeholder {
  color: #5f6b7f;
}

.stat {
  min-height: 4.7rem;
  border-color: var(--line);
}

.stat strong {
  color: var(--accent);
}

.stat span,
.insight span {
  color: var(--muted);
}

.archive-nav,
.section-nav {
  display: grid;
  gap: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
}

#issue-list,
#section-links {
  display: grid;
  gap: 0.9rem;
}

.archive-month {
  display: grid;
  gap: 0.85rem;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0 1.25rem;
}

.archive-month header {
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: center;
  color: #d4dceb;
}

.archive-month header span,
.archive-month header em {
  color: #6f7a8e;
  font-style: normal;
}

.archive-month h3 {
  color: #d4dceb;
  font-size: 1.18rem;
  font-weight: 850;
  line-height: 1.2;
}

.archive-days {
  display: grid;
  gap: 0.25rem;
}

.archive-month.collapsed .archive-days {
  display: none;
}

.issue-link,
#section-links a {
  width: 100%;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  text-align: left;
  text-decoration: none;
}

.issue-link {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 4.6rem;
  align-items: start;
  padding: 0.8rem 1rem;
  cursor: pointer;
}

.issue-link span {
  color: #6f7a8e;
  font-weight: 800;
  line-height: 1.25;
}

.issue-link small {
  color: inherit;
  font-size: 0.74em;
  font-weight: inherit;
  text-transform: lowercase;
}

.issue-link b {
  color: inherit;
  font-weight: 700;
  line-height: 1.42;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.issue-link.active,
.issue-link:hover,
#section-links a:hover {
  color: var(--accent);
  background: rgba(57, 220, 162, 0.18);
}

.issue-link.active {
  background: rgba(57, 220, 162, 0.19);
}

#section-links a {
  padding: 0.55rem 0.65rem;
}

.date-control {
  display: none;
}

.search-control,
.stat-grid,
.section-nav {
  opacity: 0.82;
}

.content-stage {
  overflow: visible;
  background: transparent;
}

.toolbar {
  border: 1px solid var(--line);
  border-radius: 8px 8px 0 0;
  background: rgba(12, 19, 31, 0.72);
}

.toolbar h2 {
  color: var(--ink);
}

.view-actions button,
.view-actions a {
  border-color: var(--line-strong);
  color: var(--ink);
  background: #0b121e;
}

.insight-strip {
  border: 1px solid var(--line);
  border-top: 0;
  background: rgba(12, 19, 31, 0.5);
}

.insight {
  border-color: var(--line);
}

.insight b {
  color: var(--accent);
}

.report {
  display: grid;
  gap: 2.1rem;
  padding: 3.2rem 0 0;
  background: transparent;
}

.report-cover {
  display: none;
}

.report-section {
  max-width: 72rem;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.section-kicker {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.34em;
}

.report h2 {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.35rem;
  align-items: end;
  margin-bottom: 1.15rem;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1.5rem;
  color: #f2f6ff;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.report h2 span {
  min-width: auto;
  color: var(--accent);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3.1rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 0.9;
}

.report h3 {
  margin: 0;
  border-left: 0;
  padding-left: 0;
  color: #f2f6ff;
  font-size: 1.35rem;
}

.report p,
.report li {
  color: #b6c1d2;
  font-size: 1.05rem;
  line-height: 1.78;
}

.report-list {
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 16, 27, 0.52);
}

.report-list li {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 1.35rem 1.55rem;
  background: transparent;
}

.report-list li:last-child {
  border-bottom: 0;
}

.report-list li::before {
  display: none;
}

.report-list li.depth-1,
.report-list li.depth-2,
.report-list li.depth-3 {
  margin-left: 0;
  padding-left: 2.4rem;
  background: rgba(255, 255, 255, 0.015);
}

.report-list li.trend-item {
  border-left: 0;
  background: transparent;
}

.report-list strong {
  color: #f3f7ff;
  font-size: 1.08em;
}

.article-ad {
  max-width: 72rem;
  border-color: var(--line-strong);
  background: rgba(12, 19, 31, 0.72);
}

.empty-state {
  color: var(--muted);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main-column {
    padding: 2.5rem 1rem 4rem;
  }

  .site-header {
    padding-bottom: 3rem;
  }
}

@media (max-width: 620px) {
  .site-header h1 {
    font-size: clamp(3.3rem, 19vw, 5rem);
    white-space: normal;
  }

  .mast-meta,
  .issue-line {
    letter-spacing: 0.12em;
  }

  .issue-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .issue-line::after {
    display: none;
  }

  .report h2 {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .report-list li {
    padding: 1rem;
  }
}