:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1b1f27;
  --muted: #565d6b;
  --line: #e4e8ee;
  --line-soft: #eef1f5;

  --ok: #2bb673;
  --warn: #f0a200;
  --bad: #e0483b;
  --none: #d9dee5;

  --banner-ok: #157f3c;
  --banner-warn: #f0a200;
  --banner-warn-text: #1b1f27;
  --banner-bad: #d33a2c;
  --banner-loading: #e4e8ee;
  --banner-none: #9ca3af;

  --accent: #1f7ae0;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --text: #e7e9ee;
    --muted: #9aa1ad;
    --line: #262a33;
    --line-soft: #20242c;
    --none: #2b313b;
    --banner-loading: #262a33;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.wrap { max-width: 940px; margin: 0 auto; padding: 36px 20px 56px; }

/* ---- header ---- */
.head {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; margin-bottom: 18px;
}
.head__brand { display: flex; align-items: center; gap: 12px; }
.head__logo {
  width: 34px; height: 34px; border-radius: 9px;
  object-fit: contain;
}
.head__title { font-size: 22px; font-weight: 700; margin: 0; letter-spacing: -0.2px; }
.head__sub { margin: 0; color: var(--muted); font-size: 13px; }

/* ---- banner ---- */
.banner {
  display: flex; align-items: center; gap: 12px;
  border-radius: var(--radius); padding: 16px 20px;
  font-weight: 650; font-size: 17px; color: #fff;
  box-shadow: var(--shadow);
}
.banner__icon {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: rgba(255, 255, 255, 0.25);
  position: relative;
}
.banner__icon::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 11px; height: 6px; border-left: 2.5px solid #fff; border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg) translate(1px, -1px);
}
.banner--operational { background: var(--banner-ok); }
.banner--degraded { background: var(--banner-warn); color: var(--banner-warn-text); }
.banner--degraded .banner__icon { background: rgba(0, 0, 0, 0.18); }
.banner--degraded .banner__icon::after {
  width: 3px; height: 9px; border: 0; background: var(--banner-warn-text);
  border-radius: 2px; transform: none;
}
.banner--down { background: var(--banner-bad); }
.banner--down .banner__icon::after {
  width: 10px; height: 10px; border: 0;
  background:
    linear-gradient(#fff, #fff) center / 2.5px 12px no-repeat,
    linear-gradient(#fff, #fff) center / 12px 2.5px no-repeat;
  transform: rotate(45deg);
}
.banner--loading { background: var(--banner-loading); color: var(--muted); box-shadow: none; }
.banner--loading .banner__icon { background: rgba(120, 130, 145, 0.25); }
.banner--loading .banner__icon::after { display: none; }
.banner--no_data { background: var(--banner-none); }
.banner--no_data .banner__icon::after { display: none; }

/* ---- cards ---- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 8px 22px; margin-top: 18px;
  box-shadow: var(--shadow);
}

/* ---- components / 90-day bars ---- */
.comp { padding: 18px 0; border-bottom: 1px solid var(--line-soft); }
.comp:last-child { border-bottom: 0; }
.comp__top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 12px;
}
.comp__name { font-weight: 650; font-size: 15px; }
.comp__status { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; }
.comp__status--ok { color: var(--banner-ok); }
.comp__status--warn { color: #9a6a00; }
.comp__status--bad { color: var(--banner-bad); }
.comp__status--none { color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.dot--ok { background: var(--ok); }
.dot--warn { background: var(--warn); }
.dot--bad { background: var(--bad); }
.dot--none { background: var(--banner-none); }

.bars { display: flex; gap: 2px; height: 34px; align-items: stretch; }
.bar {
  flex: 1 1 0; min-width: 0; border-radius: 2px; background: var(--none);
  transition: transform 0.08s ease, filter 0.08s ease;
}
.bar--ok { background: var(--ok); }
.bar--warn { background: var(--warn); }
.bar--bad { background: var(--bad); }
.bar:hover, .bar:focus-visible { transform: scaleY(1.12); filter: brightness(1.05); outline: none; }
.bar:focus-visible { box-shadow: 0 0 0 2px var(--card), 0 0 0 4px var(--accent); }

.comp__meta {
  display: flex; align-items: center; gap: 10px;
  margin-top: 8px; color: var(--muted); font-size: 12px;
}
.comp__rule { flex: 1 1 0; height: 1px; background: var(--line); }
.comp__avg { color: var(--muted); white-space: nowrap; }

/* ---- tabs ---- */
.panel { padding: 0; overflow: hidden; }
.tabs { display: flex; gap: 4px; padding: 6px 12px 0; border-bottom: 1px solid var(--line); }
.tab {
  appearance: none; background: none; border: 0; cursor: pointer;
  padding: 12px 14px; font: inherit; font-weight: 600; font-size: 14px;
  color: var(--muted); border-bottom: 2px solid transparent;
  margin-bottom: -1px; border-radius: 6px 6px 0 0;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.tabpanel { padding: 20px 22px 24px; }

/* ---- incidents ---- */
.incidents { display: flex; flex-direction: column; gap: 14px; }
.incident {
  border: 1px solid var(--line); border-left: 3px solid var(--line);
  border-radius: 8px; padding: 12px 14px;
}
.incident--major, .incident--critical { border-left-color: var(--bad); }
.incident--minor { border-left-color: var(--warn); }
.incident--maintenance { border-left-color: var(--accent); }
.incident__head { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.incident__title { font-weight: 650; }
.tag {
  font-size: 12px; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 2px 9px; text-transform: capitalize; white-space: nowrap;
}
.incident__body { margin: 6px 0 4px; color: var(--text); }
.incident time { font-size: 12px; color: var(--muted); }

.empty {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; color: var(--muted); padding: 30px 16px; font-size: 14px;
}
.empty__icon {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(43, 182, 115, 0.14);
  display: grid; place-items: center; color: var(--ok); flex: none;
}
.empty__icon::after {
  content: ""; width: 13px; height: 7px;
  border-left: 2.5px solid currentColor; border-bottom: 2.5px solid currentColor;
  transform: rotate(-45deg) translate(1px, -1px);
}

/* ---- uptime controls ---- */
.uptime-bar {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-bottom: 18px;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field__label { font-size: 12px; font-weight: 600; color: var(--muted); }
.select {
  appearance: none; font: inherit; font-size: 14px; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 34px 8px 12px; min-width: 200px; cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 53%, calc(100% - 13px) 53%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.cal-nav { display: flex; gap: 6px; }
.nav-btn {
  appearance: none; cursor: pointer; width: 34px; height: 34px;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 8px; font-size: 18px; line-height: 1; display: grid; place-items: center;
}
.nav-btn:hover:not(:disabled) { background: var(--line-soft); }
.nav-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.nav-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---- calendar grid ---- */
.calendars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.month { min-width: 0; }
.month__head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px; gap: 8px;
}
.month__name { font-weight: 650; font-size: 13px; }
.month__pct { font-size: 12px; font-weight: 700; }
.month__pct--ok { color: var(--banner-ok); }
.month__pct--warn { color: #9a6a00; }
.month__pct--bad { color: var(--banner-bad); }
.month__pct--none { color: var(--muted); font-weight: 600; }
.month__grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.wd { text-align: center; font-size: 10px; color: var(--muted); padding-bottom: 2px; }
.cell {
  aspect-ratio: 1 / 1; border-radius: 3px; background: var(--none);
}
.cell--ok { background: var(--ok); }
.cell--warn { background: var(--warn); }
.cell--bad { background: var(--bad); }
.cell--future { background: transparent; box-shadow: inset 0 0 0 1px var(--line-soft); }
.cell[tabindex]:hover, .cell[tabindex]:focus-visible { outline: none; filter: brightness(1.06); transform: scale(1.08); }
.cell[tabindex]:focus-visible { box-shadow: 0 0 0 2px var(--card), 0 0 0 4px var(--accent); }
.cell--blank { background: transparent; }

/* ---- legend ---- */
.legend {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: 20px;
  color: var(--muted); font-size: 12px;
}
.legend__item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }
.swatch--ok { background: var(--ok); }
.swatch--warn { background: var(--warn); }
.swatch--bad { background: var(--bad); }
.swatch--none { background: var(--none); }

/* ---- tooltip ---- */
.tooltip {
  position: fixed; z-index: 50; pointer-events: none;
  background: #1b1f27; color: #f4f6f9; border-radius: 8px;
  padding: 8px 11px; font-size: 12px; line-height: 1.45;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28); max-width: 240px;
  transform: translate(-50%, -100%);
}
.tooltip__title { font-weight: 700; margin-bottom: 2px; }
.tooltip__line { color: #c7cdd6; }

/* ---- footer ---- */
.foot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  margin-top: 26px; color: var(--muted); font-size: 12px;
}

/* ---- responsive ---- */
@media (max-width: 720px) {
  .calendars { grid-template-columns: 1fr; gap: 18px; max-width: 320px; margin: 0 auto; }
  .bars { height: 30px; }
  .banner { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .bar:hover, .bar:focus-visible,
  .cell[tabindex]:hover, .cell[tabindex]:focus-visible { transform: none; }
}