:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-alt: #f5f7fb;
  --ink: #050505;
  --muted: #5a5f6a;
  --line: #0a0a0a;
  --line-soft: #cfd5df;
  --accent: #1557ff;
  --accent-ink: #ffffff;
  --danger: #d72638;
  --success: #0f8a3c;
  --radius: 0;
  --shadow: none;
  --sidebar-w: 360px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    linear-gradient(to right, rgba(21, 87, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21, 87, 255, 0.04) 1px, transparent 1px),
    var(--bg);
  background-size: 24px 24px, 24px 24px, auto;
  color: var(--ink);
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
}
body { line-height: 1.35; }
button, input { font: inherit; }
a { color: inherit; }

#app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 20px;
  background: var(--panel);
  border-right: 3px solid var(--line);
}

.brand {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.brand-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border: 3px solid var(--line);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.12em;
}

.brand h1,
.topbar h2,
.news-card h3,
.panel h2,
.panel h3 {
  margin: 0;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.brand h1 {
  font-size: 1.35rem;
  line-height: 1;
}

.brand p,
.topbar p,
.meta-bar,
.partner-item small,
.stat span,
.config-grid label span,
.search-strip > label {
  color: var(--muted);
}

.brand p {
  margin: 6px 0 0;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav,
.panel,
.news-card,
.search-strip,
.meta-bar {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.nav {
  padding: 8px;
  margin-bottom: 16px;
}

.nav-button {
  width: 100%;
  padding: 14px 12px;
  border: 2px solid transparent;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav-button + .nav-button { margin-top: 6px; }
.nav-button small {
  display: block;
  margin-top: 4px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}
.nav-button:hover,
.nav-button.active {
  border-color: var(--line);
  background: var(--panel-alt);
}
.nav-button.active {
  background: var(--accent);
  color: var(--accent-ink);
}
.nav-button.active small { color: rgba(255,255,255,0.82); }
.nav-button.disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.panel {
  padding: 14px;
  margin-bottom: 14px;
}

.panel.compact h2,
.panel h3 {
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.hidden { display: none; }

#partnerSearch,
#newsSearch,
input[type="number"] {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  outline: none;
}

#partnerSearch::placeholder,
#newsSearch::placeholder { color: #808796; }

#partnerSearch:focus,
#newsSearch:focus,
input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(21, 87, 255, 0.16);
}

.partner-list {
  margin-top: 12px;
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}

.partner-item {
  padding: 11px 12px;
  border: 2px solid var(--line);
  background: #fff;
  cursor: pointer;
}

.partner-item strong {
  display: block;
  font-size: 0.95rem;
}

.partner-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 0 var(--line);
}

.partner-item.active {
  background: var(--accent);
  color: var(--accent-ink);
}

.partner-item.active small { color: rgba(255,255,255,0.82); }

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stat {
  min-height: 88px;
  padding: 12px;
  border: 2px solid var(--line);
  background: #fff;
}

.stat span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat strong {
  display: block;
  font-size: 1.2rem;
  font-weight: 900;
}

.content {
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 16px;
}

.topbar h2 {
  font-size: clamp(1.7rem, 2vw, 2.35rem);
  line-height: 0.95;
}

.topbar p {
  margin: 8px 0 0;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.topbar-actions,
.search-strip,
.config-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.button {
  min-height: 48px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  border-radius: 0;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 0 var(--line);
}

.button.secondary,
.button.ghost {
  background: #fff;
  color: var(--ink);
}

.button.secondary:hover,
.button.ghost:hover {
  background: var(--panel-alt);
}

.search-strip {
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 12px;
  margin-bottom: 16px;
}

.search-strip > input { flex: 1 1 540px; }
.search-strip > label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.search-strip > label input {
  width: 110px;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.config-grid label span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: center;
  align-self: end;
  border: 2px solid var(--line);
  padding: 12px;
  background: #fff;
  min-height: 48px;
}

.checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.meta-bar {
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.news-list {
  display: grid;
  gap: 14px;
}

.news-card {
  padding: 18px;
}

.news-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 var(--line);
}

.news-card-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.news-card h3 {
  font-size: 1.08rem;
  line-height: 1.12;
}

.news-card h3 a {
  text-decoration: none;
}

.news-card h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 3px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.8rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 2px solid var(--line);
  background: var(--panel-alt);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge:first-child {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.news-summary {
  max-width: 90ch;
  color: var(--ink);
  line-height: 1.6;
}

.empty-state {
  padding: 28px;
  text-align: center;
  border: 2px dashed var(--line);
  background: #fff;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

body.dense .news-card { padding: 14px; }
body.dense .news-summary { display: none; }

::selection {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 1120px) {
  #app { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 3px solid var(--line);
  }
}

@media (max-width: 720px) {
  .content,
  .sidebar { padding: 16px; }
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }
  .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .button {
    flex: 1 1 180px;
  }
  .stats {
    grid-template-columns: 1fr;
  }
}