:root {
  --bg:        #0d0f0f;
  --bg2:       #141717;
  --bg3:       #1c2020;
  --border:    #252b2b;
  --border2:   #2e3636;
  --text:      #c8d0ce;
  --text2:     #6b7878;
  --text3:     #3e4848;

  --up:        #2ecc8a;
  --up-bg:     #0d2a1e;
  --up-dim:    #1a5a3a;

  --down:      #e05252;
  --down-bg:   #2a0f0f;
  --down-dim:  #5a1f1f;

  --slow:      #e0a832;
  --slow-bg:   #2a2008;
  --slow-dim:  #5a4010;

  --warn:      #e07832;
  --warn-bg:   #2a1808;
  --warn-dim:  #5a3010;

  --maint:     #5888a8;
  --maint-bg:  #081828;
  --maint-dim: #103050;

  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;

  --radius: 6px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── layout ── */
.wrap { max-width: 860px; margin: 0 auto; padding: 48px 24px 96px; }

/* ── header ── */
header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 48px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  font-size: 28px;
  line-height: 1;
  user-select: none;
}
.site-name {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.02em;
}
.site-tagline {
  font-size: 12px;
  color: var(--text2);
  margin-top: 2px;
}
.header-meta {
  text-align: right;
  flex-shrink: 0;
}
.overall-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.overall-badge.up   { background: var(--up-bg);   color: var(--up);   border: 1px solid var(--up-dim); }
.overall-badge.down { background: var(--down-bg); color: var(--down); border: 1px solid var(--down-dim); }
.overall-badge.slow { background: var(--slow-bg); color: var(--slow); border: 1px solid var(--slow-dim); }
.overall-badge.warn { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn-dim); }
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.dot.pulse {
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.35; }
}
.updated-at {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  margin-top: 6px;
}

/* ── group section ── */
.group-section { margin-bottom: 40px; }
.group-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── target card ── */
.target {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
  transition: border-color 0.15s;
}
.target:hover { border-color: var(--border2); }

.target.status-down  { border-left: 3px solid var(--down); }
.target.status-slow  { border-left: 3px solid var(--slow); }
.target.status-warn  { border-left: 3px solid var(--warn); }
.target.status-up    { border-left: 3px solid var(--border); }
.target.status-maint { border-left: 3px solid var(--maint); }

.target-left  { grid-column: 1; grid-row: 1; display: flex; align-items: center; gap: 10px; }
.target-right { grid-column: 2; grid-row: 1; display: flex; align-items: center; gap: 12px; }
.target-bottom { grid-column: 1 / -1; grid-row: 2; margin-top: 10px; }

.target-name {
  font-weight: 500;
  color: #fff;
  font-size: 14px;
}
.target-url {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}
.target-error {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--down);
  margin-top: 4px;
}
.target-error.slow  { color: var(--slow); }
.target-error.warn  { color: var(--warn); }
.target-error.maint { color: var(--maint); }

/* status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.status-badge.up    { background: var(--up-bg);    color: var(--up);    border: 1px solid var(--up-dim); }
.status-badge.down  { background: var(--down-bg);  color: var(--down);  border: 1px solid var(--down-dim); }
.status-badge.slow  { background: var(--slow-bg);  color: var(--slow);  border: 1px solid var(--slow-dim); }
.status-badge.warn  { background: var(--warn-bg);  color: var(--warn);  border: 1px solid var(--warn-dim); }
.status-badge.maint { background: var(--maint-bg); color: var(--maint); border: 1px solid var(--maint-dim); }
.status-badge.unknown { background: var(--bg3); color: var(--text2); border: 1px solid var(--border); }

/* meta chips */
.meta-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  white-space: nowrap;
}
.chip.ssl-warn { color: var(--warn); border-color: var(--warn-dim); background: var(--warn-bg); }

/* history bar */
.history-bar {
  display: flex;
  gap: 2px;
  align-items: flex-end;
}
.history-tick {
  flex: 1;
  height: 20px;
  border-radius: 2px;
  background: var(--border);
  min-width: 4px;
  max-width: 16px;
  transition: opacity 0.1s;
}
.history-tick:hover { opacity: 0.7; }
.history-tick.up    { background: var(--up-dim); }
.history-tick.down  { background: var(--down-dim); height: 20px; }
.history-tick.slow  { background: var(--slow-dim); height: 14px; }
.history-tick.warn  { background: var(--warn-dim); height: 14px; }
.history-tick.maint { background: var(--maint-dim); height: 10px; }

/* ── incidents ── */
.incidents-section { margin-top: 48px; }
.incident {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
}
.incident-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.incident-title {
  font-weight: 500;
  color: #fff;
  font-size: 14px;
}
.incident-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.incident-body {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
}
.incident-body p { margin-top: 6px; }
.incident-body p:first-child { margin-top: 0; }
.incident-body strong { color: var(--text); }
.incident-body code {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--bg3);
  padding: 1px 4px;
  border-radius: 3px;
}

/* ── footer ── */
footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.footer-brand {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
}
.footer-brand a {
  color: var(--text2);
  text-decoration: none;
}
.footer-brand a:hover { color: var(--text); }
.footer-refresh {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
}

/* ── responsive ── */
@media (max-width: 600px) {
  .wrap { padding: 28px 16px 64px; }

  header { flex-direction: column; gap: 12px; margin-bottom: 32px; }
  .header-meta { text-align: left; }

  .target { grid-template-columns: 1fr; }
  .target-right { grid-column: 1; grid-row: 2; margin-top: 10px; justify-content: flex-start; flex-wrap: wrap; }
  .target-bottom { grid-row: 3; }
  .target-url { max-width: 100%; }

  footer { flex-direction: column; align-items: flex-start; gap: 6px; }

  .incident-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .incident-meta { flex-wrap: wrap; }
}