/* Vercel-style — black, border, Geist, no gradients */

:root {
  --bg: #000;
  --bg-elevated: #0a0a0a;
  --bg-hover: #111;
  --border: #333;
  --border-subtle: #222;
  --text: #ededed;
  --text-secondary: #888;
  --text-tertiary: #666;
  --accent: #0070f3;
  --success: #50e3c2;
  --warn: #f5a623;
  --error: #e00;
  --up: #50e3c2;
  --dn: #0070f3;
  --radius: 6px;
  --font: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Geist Mono", "SF Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Auth ── */
.auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 360px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.auth-logo {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 16px;
}
.auth-card h1 {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.auth-sub {
  margin: 0 0 24px;
  color: var(--text-secondary);
  font-size: 14px;
}
.field-err {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--error);
  min-height: 1em;
}

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  background: var(--bg);
}
.sidebar-top { padding: 0 16px 16px; border-bottom: 1px solid var(--border-subtle); }
.logo-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.logo-icon { font-size: 16px; color: var(--text); }
.logo-text { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.status-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.nav { flex: 1; padding: 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--bg-hover); color: var(--text); font-weight: 500; }
.nav-item.muted { color: var(--text-tertiary); }
.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--border-subtle);
  color: var(--success);
  border: 1px solid var(--border);
}
.sidebar-bottom {
  padding: 8px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.main {
  overflow: auto;
  padding: 32px 40px 48px;
  max-width: 1400px;
}

/* ── View header ── */
.view-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.view-header h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.meta { color: var(--text-secondary); font-size: 13px; }

/* ── Stats row ── */
.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
.stat {
  background: var(--bg);
  padding: 16px 20px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.stat-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.stat-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Cards ── */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 20px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}
.card-timer { margin-bottom: 24px; }
.card-table { padding: 0; overflow: auto; }
.card-feed { display: flex; flex-direction: column; min-height: 280px; }
.card-side { padding: 16px; min-width: 200px; }
.flex-1 { flex: 1; }

.grid-2 {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.feed-grid { margin-bottom: 0; }
.grid-chat {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 16px;
  min-height: calc(100vh - 160px);
}
.grid-sec {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 20px;
}

/* ── Chart ── */
.chart-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}
.chart-legend b { color: var(--text); font-weight: 500; }
.chart-legend span { display: flex; align-items: center; gap: 6px; }
#bwChart { width: 100%; display: block; }

/* ── Dots & tags ── */
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot-ok { background: var(--success); box-shadow: 0 0 6px rgba(80,227,194,0.5); }
.dot-up { background: var(--up); }
.dot-dn { background: var(--dn); }
.tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.tag-warn { border-color: #553300; color: var(--warn); background: rgba(245,166,35,0.08); }
.tag-ok { border-color: #0a3d32; color: var(--success); }

/* ── Forms ── */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.field span {
  font-size: 12px;
  color: var(--text-secondary);
}
.field.inline {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}
.field.inline span { white-space: nowrap; }

input, textarea, select {
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--text-secondary);
}
textarea { resize: vertical; width: 100%; }
.input-sm { width: 80px; }
.input-xs { width: 64px; padding: 6px 8px; }
.input-search {
  width: 280px;
  padding: 8px 12px;
}
.select-sm {
  padding: 4px 8px;
  font-size: 12px;
}

/* ── Buttons ── */
.btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn-primary:hover { background: #ccc; border-color: #ccc; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--bg-hover); border-color: var(--text-secondary); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.btn-icon:hover { color: var(--text); }

.timer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

/* ── Table ── */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
}
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}
.table td small { display: block; margin-top: 3px; }
.table tbody tr:hover td { background: var(--bg-hover); }

.user-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.user-name { font-weight: 500; }
.user-rank { font-size: 11px; color: var(--text-tertiary); }
.mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-secondary);
}
.traffic-up { color: var(--up); font-family: var(--mono); font-size: 12px; }
.traffic-dn { color: var(--dn); font-family: var(--mono); font-size: 12px; }

.ops { display: flex; flex-wrap: wrap; gap: 4px; }
.ops .btn { padding: 4px 8px; font-size: 11px; }
.ops .btn-danger { color: var(--error); border-color: #330000; }
.ops .btn-danger:hover { background: rgba(238,0,0,0.08); }

/* ── Feed (chat / logs) ── */
.feed {
  flex: 1;
  overflow: auto;
  font-size: 13px;
  line-height: 1.6;
  padding: 4px 0;
  max-height: 320px;
}
.feed-mono { font-family: var(--mono); font-size: 12px; line-height: 1.55; }
.feed-full { max-height: none; min-height: 60vh; padding: 16px; }
.health-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 12px;
  border: 1px solid var(--border);
  background: var(--border);
}
.health-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 10px;
  background: var(--bg-secondary);
}
.health-item span { color: var(--text-tertiary); font-size: 11px; }
.health-item strong { font-family: var(--mono); font-size: 12px; font-weight: 500; }
.feed-input {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}
.feed-input input { flex: 1; }

.log-ERROR { color: var(--error); }
.log-WARN { color: var(--warn); }
.log-INFO { color: var(--text-secondary); }
.log-DEBUG { color: var(--text-tertiary); }
.log-entry { padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,.025); }
.log-category {
  display: inline-block;
  min-width: 76px;
  color: var(--accent);
  font-weight: 600;
}
.log-context { color: var(--text-tertiary); margin-left: 8px; }
.log-meta {
  color: var(--text-tertiary);
  padding: 2px 0 4px 18px;
  white-space: pre-wrap;
  word-break: break-all;
}

.chat-line {
  margin-bottom: 3px;
  font-family: var(--mono);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-user { color: var(--accent); }
.chat-time { color: var(--text-tertiary); font-size: 11px; }
.chat-bracket { color: var(--text-tertiary); }
.chat-message { color: var(--text-primary); }

.side-title { margin: 0 0 12px; font-size: 13px; font-weight: 600; }
.side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-list li {
  padding: 8px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  font-size: 12px;
}
.side-list strong { display: block; font-weight: 500; }
.side-list small { color: var(--text-tertiary); }

/* ── Tabs ── */
.tabs { display: flex; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.tab {
  padding: 6px 14px;
  font-size: 12px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-right: 1px solid var(--border);
}
.tab:last-child { border-right: none; }
.tab.active { background: var(--bg-hover); color: var(--text); font-weight: 500; }

/* ── Modal ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.dialog {
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.dialog-header h3 { margin: 0; font-size: 15px; font-weight: 600; }
.dialog-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.detail-box {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  word-break: break-all;
}
.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  font-size: 13px;
  z-index: 200;
  animation: toast-in 0.2s ease;
}
.toast.ok { border-color: #0a3d32; color: var(--success); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-bottom { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .feed-grid, .grid-chat { grid-template-columns: 1fr; }
  .main { padding: 20px 16px; }
}