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

:root {
  --bg: #050810;
  --panel: #0a111c;
  --line: #16304a;
  --text: #c8e0f0;
  --dim: #55708a;
  --cyan: #00d4ff;
  --green: #39ff14;
  --amber: #ffd166;
  --red: #ff5c5c;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 13px;
  padding: 2rem 1.25rem 4rem;
  background-image:
    radial-gradient(circle at 15% 0%, #00d4ff09 0%, transparent 45%),
    radial-gradient(circle at 90% 100%, #39ff1407 0%, transparent 45%);
}

.wrap { max-width: 1180px; margin: 0 auto; }

.prompt { color: var(--green); font-size: .74rem; opacity: .7; margin-bottom: .35rem; }
h1 { color: var(--cyan); font-size: 1.6rem; letter-spacing: 3px; font-weight: 600;
     text-shadow: 0 0 28px #00d4ff44; }
h2 { font-size: .86rem; color: var(--cyan); font-weight: 600; margin-bottom: .8rem;
     letter-spacing: 1px; text-transform: lowercase; }
.hint { color: var(--dim); font-weight: 400; font-size: .68rem; letter-spacing: 0; }

.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem;
       margin-bottom: 1.5rem; }
.top-right { display: flex; align-items: center; gap: 1rem; }
.logout { color: var(--dim); text-decoration: none; font-size: .74rem; }
.logout:hover { color: var(--cyan); }

.pill { font-size: .7rem; padding: .28rem .6rem; border: 1px solid var(--line);
        border-radius: 999px; white-space: nowrap; }
.pill-green { color: var(--green); border-color: #39ff1455; background: #39ff1408; }
.pill-amber { color: var(--amber); border-color: #ffd16655; background: #ffd16608; }
.pill-grey  { color: var(--dim); }
.pill-red   { color: var(--red); border-color: #ff5c5c55; background: #ff5c5c08; }

.disabled { border: 1px solid #ffd16644; background: #ffd16608; color: var(--amber);
            padding: .8rem 1rem; border-radius: 8px; margin-bottom: 1.25rem; }
.hidden { display: none !important; }

.cards { display: grid; grid-template-columns: repeat(6, 1fr); gap: .7rem; margin-bottom: 1.4rem; }
.card { border: 1px solid var(--line); border-left: 2px solid var(--cyan);
        background: var(--panel); padding: .75rem .85rem; border-radius: 6px; min-width: 0; }
.card .k { color: var(--dim); font-size: .66rem; text-transform: uppercase; letter-spacing: 1px; }
.card .v { color: var(--cyan); font-size: 1.5rem; margin-top: .2rem; line-height: 1.1; }
.card .v.small { font-size: .95rem; padding-top: .45rem; }
.card .u { color: var(--dim); font-size: .64rem; }

.ranges { display: flex; gap: .4rem; margin-bottom: 1rem; }
.ranges button { background: transparent; border: 1px solid var(--line); color: var(--dim);
                 font-family: inherit; font-size: .72rem; padding: .3rem .7rem;
                 border-radius: 4px; cursor: pointer; }
.ranges button:hover { color: var(--cyan); border-color: var(--cyan); }
.ranges button.on { color: var(--green); border-color: #39ff1466; background: #39ff1408; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; margin-bottom: .9rem; }
.panel { border: 1px solid var(--line); background: var(--panel); border-radius: 8px;
         padding: 1rem; margin-bottom: .9rem; }
.chartbox { position: relative; height: 220px; }

.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .74rem; }
th { text-align: left; color: var(--dim); font-weight: 500; padding: .4rem .5rem;
     border-bottom: 1px solid var(--line); text-transform: uppercase; font-size: .64rem;
     letter-spacing: 1px; }
td { padding: .4rem .5rem; border-bottom: 1px solid #0e1a28; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.muted { color: var(--dim); }

footer { display: flex; gap: .5rem; flex-wrap: wrap; color: var(--dim);
         font-size: .7rem; margin-top: 1.5rem; }

/* login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh;
              padding: 1.25rem; }
.login-card { width: 100%; max-width: 360px; border: 1px solid var(--line);
              background: var(--panel); border-radius: 10px; padding: 1.5rem; }
.login-card h1 { font-size: 1.35rem; margin-bottom: 1.1rem; }
.login-card label { display: block; color: var(--dim); font-size: .68rem;
                    text-transform: uppercase; letter-spacing: 1px; margin: .7rem 0 .25rem; }
.login-card input { width: 100%; background: #050b13; border: 1px solid var(--line);
                    color: var(--text); font-family: inherit; font-size: .85rem;
                    padding: .55rem .65rem; border-radius: 4px; outline: none; }
.login-card input:focus { border-color: var(--cyan); box-shadow: 0 0 0 2px #00d4ff18; }
.login-card button { width: 100%; margin-top: 1.1rem; background: #00d4ff12;
                     border: 1px solid #00d4ff55; color: var(--cyan); font-family: inherit;
                     font-size: .8rem; letter-spacing: 2px; text-transform: uppercase;
                     padding: .6rem; border-radius: 4px; cursor: pointer; }
.login-card button:hover { background: #00d4ff22; }
.login-error { color: var(--red); font-size: .74rem; border: 1px solid #ff5c5c33;
               background: #ff5c5c08; padding: .5rem .6rem; border-radius: 4px; }
.login-note { color: var(--dim); font-size: .66rem; margin-top: 1rem; text-align: center; }

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { padding: 1.25rem .8rem 3rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 1.15rem; }
  .chartbox { height: 180px; }
}