:root {
  --bg: #0b0e14; --bg2: #11151d; --card: #141a24; --line: #232a36; --txt: #e6e6e6; --dim: #8b93a1; --mut: #5b6472;
  --g: #00C87C; --r: #FF3860; --v: #a78bfa; --y: #ffb300; --radius: 8px;
  --mono: ui-monospace, "SF Mono", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--txt); font: 14px/1.5 var(--sans); }
body { display: flex; flex-direction: column; min-height: 100vh; }
a { color: var(--v); text-decoration: none; } a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: var(--txt); background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); }
button { padding: 6px 12px; cursor: pointer; } button:hover { border-color: var(--v); }
button.primary { background: var(--v); border-color: var(--v); color: #0b0e14; font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: transparent; }
input, select { padding: 7px 10px; width: 100%; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--v); outline-offset: 1px; }
#top { display: flex; align-items: center; gap: 14px; padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--txt); font: 600 17px system-ui, "Segoe UI", sans-serif; letter-spacing: 0; }
.brand b { color: var(--v); font-weight: 600; } .brand:hover { text-decoration: none; }
#assets { display: flex; gap: 4px; flex-wrap: wrap; }
#assets a { padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); font: 12px var(--mono); }
#assets a.on { color: #0b0e14; background: var(--txt); border-color: var(--txt); } #assets a:hover { text-decoration: none; border-color: var(--v); }
.grow { flex: 1; }
#menu { display: flex; gap: 12px; align-items: center; font-size: 13px; } #menu a { color: var(--dim); } #menu a.on { color: var(--txt); }
.badge { font: 11px var(--mono); padding: 1px 8px; border-radius: 4px; border: 1px solid var(--line); color: var(--dim); }
.badge.live { color: var(--g); border-color: var(--g); background: #0e3b2a; }
.badge.frozen, .badge.delayed { color: var(--y); border-color: var(--y); background: #2a2410; }
main { flex: 1 0 auto; min-height: 0; }
#foot { color: var(--mut); font-size: 11.5px; padding: 8px 16px; border-top: 1px solid var(--line); }
/* app layout */
.app { display: grid; grid-template-columns: minmax(0, 1fr) 340px; height: calc(100vh - 92px); min-height: 520px; }
.chartwrap { position: relative; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--line); }
.tools { display: flex; gap: 10px; align-items: center; padding: 6px 10px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--dim); flex-wrap: wrap; }
.tools .seg { display: flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tools .seg button { border: 0; border-radius: 0; padding: 3px 9px; background: transparent; color: var(--dim); font: 12px var(--mono); }
.tools .seg button.on { background: var(--card); color: var(--txt); }
.tools label { display: flex; gap: 4px; align-items: center; cursor: pointer; } .tools input[type=checkbox] { width: auto; accent-color: var(--v); }
.chart { position: relative; flex: 1; min-height: 0; }
.chart canvas.ov { position: absolute; left: 0; top: 0; pointer-events: none; z-index: 3; }
.side { overflow: auto; font: 12px/1.45 var(--mono); }
.sum { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.sum .big { font-size: 20px; font-weight: 700; }
.tabs { display: flex; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 1; }
.tabs button { flex: 1; border: 0; border-radius: 0; background: transparent; color: var(--dim); font: 11px var(--mono); letter-spacing: .6px; padding: 7px 0; }
.tabs button.on { color: var(--txt); border-bottom: 2px solid var(--v); }
.pane { padding: 8px 12px; }
.h { color: var(--dim); font-size: 10.5px; letter-spacing: .8px; margin: 10px 0 4px; }
table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
td, th { padding: 2px 4px; text-align: right; border-bottom: 1px solid #1b2029; } td:first-child, th:first-child { text-align: left; }
th { color: var(--dim); font-weight: 400; } tr.spot td { background: #1d2330; }
.bar { height: 9px; border-radius: 2px; }
.pos { color: var(--g); } .neg { color: var(--r); } .dim { color: var(--dim); } .err { color: var(--r); }
#tip { position: fixed; z-index: 20; pointer-events: none; display: none; background: var(--bg); border: 1px solid #2c313c; border-radius: 8px; padding: 8px 10px; font: 12px var(--mono); min-width: 200px; box-shadow: 0 6px 20px rgba(0,0,0,.5); }
#tip .r { float: right; }
/* pages */
.page { max-width: 980px; margin: 24px auto; padding: 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.card h2 { margin: 0 0 10px; font-size: 17px; font-weight: 600; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.auth { max-width: 400px; margin: 8vh auto; padding: 0 16px; }
.auth .logo { display: flex; justify-content: center; margin-bottom: 14px; }
.auth form { display: grid; gap: 10px; } .auth label { font-size: 12.5px; color: var(--dim); display: grid; gap: 4px; }
.auth .switch { text-align: center; margin-top: 12px; font-size: 13px; color: var(--dim); }
.msg { font-size: 13px; min-height: 1.3em; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 10px; padding: 14px; } .plan.cur { border-color: var(--v); }
.plan b { font-size: 15px; } .plan p { color: var(--dim); font-size: 13px; margin: 6px 0 10px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 4px 10px; font-size: 13.5px; } .kv span:nth-child(odd) { color: var(--dim); }
.users td, .users th { font-size: 12.5px; padding: 5px 6px; } .users select, .users input { padding: 3px 6px; width: auto; }
code.copy { background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; user-select: all; }
ol.steps { color: var(--dim); font-size: 13px; padding-left: 18px; } ol.steps b { color: var(--txt); font-weight: 500; }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; height: auto; }
  .chartwrap { height: 62vh; min-height: 380px; border-right: 0; border-bottom: 1px solid var(--line); }
  .kv { grid-template-columns: 110px 1fr; }
}
.badge:empty { display: none; }