*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0f14;
  --bg2: #141720;
  --bg3: #1c1f2e;
  --bg4: #242838;
  --border: #2a2e3f;
  --text: #e2e4f0;
  --text2: #8b90a8;
  --text3: #5a5f75;
  --accent: #6c8aff;
  --accent2: #4a6bff;
  --green: #3dd68c;
  --red: #f06292;
  --yellow: #ffca62;
  --orange: #ff8c5a;
  --purple: #b48eff;
  --sidebar-w: 270px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

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

#app { display: flex; min-height: 100vh; }

#sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
}
.sidebar-header {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
}
.logo-icon { font-size: 22px; }
.sidebar-title { font-weight: 700; font-size: 14px; color: var(--text); letter-spacing: 0.01em; }

.nav-links { list-style: none; padding: 12px 8px; }
.nav-links li { margin-bottom: 2px; }
.nav-link {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s;
}
.nav-link:hover { background: var(--bg3); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--bg4); color: var(--accent); }
.nav-icon { font-size: 15px; width: 18px; text-align: center; }

.sidebar-trending {
  padding: 16px 16px 12px;
  border-top: 1px solid var(--border);
  flex: 1;
}
.trending-title { font-size: 11.5px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.trending-list { list-style: none; counter-reset: trend; }
.trending-list li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 12.5px;
  line-height: 1.35;
}
.trending-list li:last-child { border-bottom: none; }
.trending-list .pts { color: var(--orange); font-weight: 600; margin-right: 6px; }
.trending-list .age { color: var(--text3); font-size: 11px; }
.trending-list a { color: var(--text); display: block; margin-bottom: 2px; }
.trending-stub { color: var(--text3); font-style: italic; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.status-dot.bad { background: var(--red); }
.status-dot.warn { background: var(--yellow); }
.status-label { font-size: 12px; color: var(--text3); }

#main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 28px 36px;
  min-height: 100vh;
}

.view-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 22px; gap: 16px; flex-wrap: wrap;
}
.view-title { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }
.view-subtitle { color: var(--text2); font-size: 13px; margin-top: 4px; }
.view-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent2); color: white; border-color: var(--accent2); }
.btn-ghost { background: transparent; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.search-bar {
  display: flex; align-items: center;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 12px;
  margin-bottom: 20px;
}
.search-bar input {
  background: transparent; border: 0; outline: none; color: var(--text);
  font-size: 14px;
  width: 100%;
  padding: 11px 8px;
}
.search-bar .search-icon { color: var(--text3); }

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.banner {
  border: 1px solid var(--border);
  background: var(--bg3);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text2);
}
.banner.error { border-color: var(--red); color: var(--red); }
.banner.warn { border-color: var(--yellow); color: var(--yellow); }

.table {
  width: 100%; border-collapse: collapse;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.table th, .table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 13.5px;
}
.table th {
  font-weight: 600;
  color: var(--text2);
  background: var(--bg3);
  cursor: pointer;
  user-select: none;
}
.table th:hover { color: var(--accent); }
.table th.sort-asc::after { content: ' ↑'; color: var(--accent); }
.table th.sort-desc::after { content: ' ↓'; color: var(--accent); }
.table tr:hover td { background: rgba(108,138,255,0.05); cursor: pointer; }
.table .num { font-variant-numeric: tabular-nums; }
.table .col-rank { width: 56px; color: var(--text2); }
.table .col-flag { width: 38px; font-size: 20px; }
.table .col-grade { width: 78px; }
.table .col-share { width: 60px; text-align: center; }
.table .share-btn { color: var(--accent); }

.grade {
  display: inline-block; padding: 2px 9px; border-radius: 6px;
  font-weight: 700; font-size: 13.5px;
  background: var(--bg3); color: var(--text);
  border: 1px solid var(--border);
}
.grade.g-A { color: var(--green); border-color: var(--green); }
.grade.g-B { color: #b8e62c; border-color: #b8e62c; }
.grade.g-C { color: var(--yellow); border-color: var(--yellow); }
.grade.g-D { color: var(--orange); border-color: var(--orange); }
.grade.g-F { color: var(--red); border-color: var(--red); }

.minibar { display: inline-flex; align-items: center; gap: 8px; }
.minibar-track {
  width: 70px; height: 6px;
  background: var(--bg4); border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.minibar-fill { height: 100%; background: var(--accent); border-radius: 4px; }
.minibar-fill.good { background: var(--green); }
.minibar-fill.warn { background: var(--yellow); }
.minibar-fill.bad { background: var(--red); }
.minibar-val { font-size: 12px; color: var(--text2); width: 44px; text-align: right; }

.country-hero {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  margin-bottom: 22px;
}
.hero-grade-box {
  display: flex; flex-direction: column; align-items: center;
  border-right: 1px solid var(--border);
  padding-right: 28px;
}
.hero-flag { font-size: 48px; line-height: 1; }
.hero-grade-letter {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 120px;
  font-weight: 800;
  line-height: 1;
  margin: 8px 0;
}
.hero-grade-letter.g-A { color: var(--green); }
.hero-grade-letter.g-B { color: #b8e62c; }
.hero-grade-letter.g-C { color: var(--yellow); }
.hero-grade-letter.g-D { color: var(--orange); }
.hero-grade-letter.g-F { color: var(--red); }
.hero-score { font-size: 18px; color: var(--text2); }
.hero-info h2 { font-size: 30px; margin-bottom: 8px; }
.hero-stats { display: flex; gap: 24px; margin: 14px 0; }
.hero-stat-label { font-size: 12px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-stat-value { font-size: 22px; font-weight: 600; }
.hero-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

.metric-list { display: flex; flex-direction: column; gap: 9px; }
.metric-row {
  display: grid;
  grid-template-columns: 260px 1fr 60px;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}
.metric-label { font-size: 13px; color: var(--text); }
.metric-track {
  height: 10px;
  background: var(--bg4);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.metric-fill { height: 100%; border-radius: 6px; transition: width 0.4s; }
.metric-fill.good { background: linear-gradient(90deg, #3dd68c, #4ade80); }
.metric-fill.warn { background: linear-gradient(90deg, #ffca62, #f59e0b); }
.metric-fill.bad { background: linear-gradient(90deg, #f06292, #ef4444); }
.metric-value { font-variant-numeric: tabular-nums; font-size: 12.5px; color: var(--text2); text-align: right; }

.section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin: 26px 0 12px;
}

.worst-list { list-style: none; }
.worst-list li {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.worst-list li:last-child { border-bottom: none; }
.worst-list a { color: var(--text); }
.worst-list a:hover { color: var(--accent); }
.worst-list .badge {
  display: inline-block; padding: 1px 7px;
  border-radius: 5px;
  font-size: 11px;
  background: var(--bg4);
  color: var(--text2);
  margin-right: 5px;
}
.worst-list .badge.bad { background: rgba(240,98,146,0.15); color: var(--red); }
.worst-list .badge.warn { background: rgba(255,202,98,0.12); color: var(--yellow); }
.worst-list .badge.good { background: rgba(61,214,140,0.12); color: var(--green); }

.domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.flag-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.flag-card .label { font-size: 11px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; }
.flag-card .value { font-size: 17px; font-weight: 600; margin-top: 4px; }
.flag-card .value.good { color: var(--green); }
.flag-card .value.bad { color: var(--red); }

.tls-result {
  margin-top: 14px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--bg3);
  border: 1px solid var(--border);
}
.tls-grade-big {
  display: inline-block;
  padding: 4px 14px;
  font-size: 28px;
  font-weight: 800;
  border-radius: 8px;
  margin-right: 14px;
}
.tls-grade-big.g-A, .tls-grade-big.g-Aplus, .tls-grade-big.g-Aminus { background: rgba(61,214,140,0.18); color: var(--green); }
.tls-grade-big.g-B { background: rgba(184,230,44,0.18); color: #b8e62c; }
.tls-grade-big.g-C { background: rgba(255,202,98,0.18); color: var(--yellow); }
.tls-grade-big.g-D, .tls-grade-big.g-E { background: rgba(255,140,90,0.18); color: var(--orange); }
.tls-grade-big.g-F, .tls-grade-big.g-T, .tls-grade-big.g-M { background: rgba(240,98,146,0.18); color: var(--red); }

.loading-shell {
  color: var(--text2);
  text-align: center;
  padding: 80px 20px;
  font-size: 14px;
}
.skeleton {
  height: 60px;
  background: linear-gradient(90deg, var(--bg2) 0%, var(--bg3) 50%, var(--bg2) 100%);
  background-size: 200% 100%;
  animation: shine 1.4s linear infinite;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
@keyframes shine {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text2);
}
.empty-state h3 { color: var(--text); margin-bottom: 8px; font-size: 18px; }

@media (max-width: 920px) {
  :root { --sidebar-w: 0px; }
  #sidebar { display: none; }
  #main-content { padding: 18px; margin-left: 0; }
  .country-hero { grid-template-columns: 1fr; }
  .hero-grade-box { border-right: 0; border-bottom: 1px solid var(--border); padding-right: 0; padding-bottom: 18px; }
  .metric-row { grid-template-columns: 160px 1fr 50px; }
}