:root{
  font-family:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bg:#071017;
  --panel:#0f1a22;
  --panel-2:#12212c;
  --line:#22323d;
  --text:#eaf0f2;
  --muted:#8ea0aa;
  --accent:#6ed2b7;
  --accent-2:#8fb8e8;
  --good:#69d39f;
  --bad:#f28586;
  --warn:#f1c36b;
  --shadow:0 18px 40px rgba(0,0,0,.28);
  color-scheme:dark;
}

*{box-sizing:border-box}
html,body{min-width:300px}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at top right, rgba(71,124,133,.2), transparent 30%),
    radial-gradient(circle at 20% 0, rgba(79,154,130,.14), transparent 24%),
    var(--bg);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:28px 28px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 80%);
}

.app-shell{
  position:relative;
  max-width:768px;
  margin:0 auto;
  min-height:100vh;
  padding:
    calc(env(safe-area-inset-top) + 14px)
    16px
    calc(110px + env(safe-area-inset-bottom));
}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:6px 0 18px}
.brand{display:flex;gap:10px;align-items:center}
.brand-mark{
  width:38px;height:38px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--accent),#91e0cb);
  color:#071017;font-weight:900;box-shadow:var(--shadow)
}
.brand strong{display:block;font-size:13px;letter-spacing:.18em}
.brand small{display:block;color:var(--muted);font-size:8px;letter-spacing:.18em;margin-top:3px}

.connection,.pill,.badge-row{
  display:inline-flex;align-items:center;gap:7px
}
.connection{
  padding:8px 11px;border:1px solid var(--line);border-radius:999px;
  background:rgba(8,16,23,.55);
  color:var(--muted);font-size:10px;letter-spacing:.16em;text-transform:uppercase
}
.connection i{
  width:8px;height:8px;border-radius:999px;background:var(--warn);
  box-shadow:0 0 0 4px rgba(241,195,107,.18)
}
.connection.live i{background:var(--good);box-shadow:0 0 0 4px rgba(105,211,159,.18)}
.connection.reconnecting i{background:var(--warn)}
.connection.offline i{background:var(--bad);box-shadow:0 0 0 4px rgba(242,133,134,.18)}

.hero{padding:8px 0 12px}
.hero-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.hero h1{
  margin:8px 0 0;
  font-size:clamp(30px,8vw,52px);
  line-height:1;
  letter-spacing:-.06em
}
.eyebrow{
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)
}
.subtle{font-size:12px;color:var(--muted)}
h1,h2,h3,p,span,strong{overflow-wrap:anywhere}

.status-stack{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.badge-row{flex-wrap:wrap;justify-content:flex-end}
.pill,.badge{
  padding:8px 11px;border-radius:999px;border:1px solid var(--line);
  background:rgba(10,18,25,.7);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)
}
.pill.good,.badge.good{color:var(--good);border-color:rgba(105,211,159,.25)}
.pill.bad,.badge.bad,.pill.danger,.badge.danger{color:var(--bad);border-color:rgba(242,133,134,.3)}
.pill.paper,.badge.paper{color:var(--warn);border-color:rgba(241,195,107,.25)}
.pill.live,.badge.live{color:var(--accent);border-color:rgba(110,210,183,.25)}
.pill.muted{color:var(--muted)}

.summary-card,.panel,.metric-card,.data-card,.loading-card,.empty-state,.error-card,.demo-banner{
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  box-shadow:var(--shadow);
  border-radius:22px
}
.summary-card{padding:18px 18px 16px}
.summary-card strong{display:block;margin-top:10px;font-size:34px;letter-spacing:-.05em}
.summary-meta{display:flex;justify-content:space-between;margin-top:8px;color:var(--muted);font-size:11px;letter-spacing:.12em;text-transform:uppercase}

.grid{
  display:grid;
  gap:10px
}
.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
.metric-card{padding:16px;display:flex;flex-direction:column;min-height:102px}
.metric-card strong{margin-top:auto;font-size:20px;letter-spacing:-.03em}
.metric-card .subtle{margin-top:8px}

.panel{padding:16px;margin-top:12px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-head h2{margin:6px 0 0;font-size:18px;letter-spacing:-.03em}

.split-grid{display:grid;grid-template-columns:1fr;gap:10px}
.stat-list{display:grid;gap:10px}
.stat-list div,.activity-row,.split-line{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--line)
}
.stat-list div:last-child,.activity-row:last-child,.split-line:last-child{border-bottom:0;padding-bottom:0}
.stat-list span,.split-line span,.activity-row small,.mini-grid span{color:var(--muted);font-size:12px}
.stat-list strong,.split-line strong,.activity-row strong,.mini-grid strong{font-size:13px}

.data-card{
  padding:15px;
  margin-bottom:12px
}
.data-card:last-child{margin-bottom:0}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.card-top h3{margin:6px 0 0;font-size:20px;letter-spacing:-.04em}
.mini-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-bottom:12px
}
.mini-grid div{padding:10px 0;border-bottom:1px solid var(--line)}
.mini-grid.compact{margin-bottom:0}
.progress{
  height:8px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;margin-top:12px
}
.progress i{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--good),var(--accent));
  border-radius:999px
}

.positive{color:var(--good)}
.negative{color:var(--bad)}
.unknown{color:var(--muted)}

.empty-state,.error-card{
  padding:22px;
  text-align:center;
  color:var(--muted)
}
.empty-state strong,.error-card strong{display:block;color:var(--text);font-size:15px;margin-bottom:8px}
.empty-state p,.error-card p{margin:0;line-height:1.5}

.loading-card{
  min-height:40vh;
  display:grid;
  place-items:center;
  gap:12px;
  text-align:center;
  color:var(--muted)
}
.spinner{
  width:28px;height:28px;border-radius:50%;
  border:2px solid var(--line);border-top-color:var(--accent);
  animation:spin 1s linear infinite
}

.control-stack{display:grid;gap:10px}
.control{
  min-height:48px;
  width:100%;
  border-radius:14px;
  border:1px solid var(--line);
  background:#15232d;
  color:var(--text);
  font:inherit;
  font-size:14px;
  cursor:pointer
}
.control.primary{background:linear-gradient(145deg,var(--accent),#8de1ca);color:#071017;border-color:transparent;font-weight:700}
.control.secondary{background:#101c25}
.control.danger{background:#251719;border-color:rgba(242,133,134,.25);color:var(--bad)}
.control:disabled{opacity:.5;cursor:not-allowed}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}

.donut{
  display:grid;
  place-items:center;
  gap:8px;
  width:100%;
  padding:10px 0
}
.donut svg{width:120px;height:120px;transform:rotate(-90deg)}
.donut .track,.donut .value{fill:none;stroke-width:12}
.donut .track{stroke:rgba(255,255,255,.08)}
.donut .value{stroke:var(--accent);stroke-linecap:round}
.donut div{text-align:center;transform:none}
.donut strong{display:block;font-size:20px}

.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sparkline{width:100%;height:auto;display:block}
.sparkline polyline{stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.sparkline.accent polyline{stroke:var(--accent)}

.bottom-nav{
  position:fixed;left:50%;bottom:0;transform:translateX(-50%);
  width:min(768px,100%);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  display:grid;grid-template-columns:repeat(5,1fr);gap:6px;
  border-top:1px solid var(--line);
  background:rgba(6,13,18,.88);
  backdrop-filter:blur(18px);
  z-index:10
}
.bottom-nav button{
  min-height:56px;border:0;background:none;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;font:inherit;border-radius:14px
}
.bottom-nav button span{font-size:20px;line-height:1}
.bottom-nav button small{font-size:8px;letter-spacing:.14em}
.bottom-nav button.active{color:var(--accent);background:rgba(110,210,183,.08)}
.bottom-nav button:focus-visible,.control:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}

.toast{
  position:fixed;left:16px;right:16px;bottom:92px;
  max-width:736px;margin:0 auto;
  padding:13px 15px;border-radius:14px;
  background:#122029;border:1px solid var(--line);color:var(--text);
  transform:translateY(10px);opacity:0;pointer-events:none;transition:.2s ease;z-index:20
}
.toast.show{transform:translateY(0);opacity:1}

.demo-banner{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px;padding:16px}

@keyframes spin{to{transform:rotate(360deg)}}

@media(min-width:560px){
  .split-grid{grid-template-columns:1fr 1fr}
  .chart-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(min-width:720px){
  .metrics{grid-template-columns:repeat(4,minmax(0,1fr))}
}

@media(prefers-color-scheme:light){
  :root{
    color-scheme:light;
    --bg:#f4f7f6;
    --panel:#ffffff;
    --panel-2:#f8fbfa;
    --line:#d7e3df;
    --text:#17232a;
    --muted:#667984;
    --shadow:0 12px 26px rgba(24,52,42,.08)
  }
  body{
    background:
      radial-gradient(circle at top right, rgba(100,179,156,.16), transparent 28%),
      radial-gradient(circle at 12% 0, rgba(136,185,223,.14), transparent 24%),
      var(--bg)
  }
  .bottom-nav{background:rgba(255,255,255,.9)}
  .connection,.pill,.control{background:rgba(255,255,255,.7)}
}

:root[data-telegram-theme="light"]{
  color-scheme:light;
  --bg:#f4f7f6;
  --panel:#ffffff;
  --panel-2:#f8fbfa;
  --line:#d7e3df;
  --text:#17232a;
  --muted:#667984;
  --shadow:0 12px 26px rgba(24,52,42,.08)
}

:root[data-telegram-theme="dark"]{
  color-scheme:dark;
  --bg:#071017;
  --panel:#0f1a22;
  --panel-2:#12212c;
  --line:#22323d;
  --text:#eaf0f2;
  --muted:#8ea0aa;
  --shadow:0 18px 40px rgba(0,0,0,.28)
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}