@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

:root {
  --font:        'Inter', system-ui, -apple-system, sans-serif;

  --cyan:        #22d3ee;
  --cyan-bg:     rgba(34,211,238,.08);
  --cyan-border: rgba(34,211,238,.2);
  --green:       #34d399;
  --green-bg:    rgba(52,211,153,.08);
  --amber:       #fbbf24;
  --amber-bg:    rgba(251,191,36,.08);
  --red:         #f87171;
  --red-bg:      rgba(248,113,113,.08);
  --purple:      #a78bfa;
  --purple-bg:   rgba(167,139,250,.08);
  --blue:        #60a5fa;
  --blue-bg:     rgba(96,165,250,.08);

  --bg:          #0a0f14;
  --bg-card:     #111827;
  --bg-card2:    #1a2332;
  --border:      rgba(255,255,255,.07);
  --border-h:    rgba(255,255,255,.13);

  --txt:         #f1f5f9;
  --txt2:        #94a3b8;
  --txt3:        #4b5563;

  --r-sm: 8px;
  --r:    12px;
  --r-lg: 16px;
  --ease: .18s ease;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Topbar ── */
#topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 58px;
  background: rgba(10,15,20,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }

.brand-logo {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  object-fit: contain;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 3px;
}
.brand-logo-ph {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: var(--cyan-bg);
  border: 1px dashed var(--cyan-border);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
}
.brand-name    { font-size: 15px; font-weight: 700; color: var(--txt); letter-spacing: -.01em; }
.brand-sub     { font-size: 11px; color: var(--txt3); display: block; margin-top: -2px; }

.topbar-right  { display: flex; align-items: center; gap: .875rem; }

.live-pill {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 500; color: var(--txt2);
  background: var(--green-bg);
  border: 1px solid rgba(52,211,153,.2);
  border-radius: 99px; padding: 3px 10px;
}
.live-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.28} }

#clockDisplay {
  font-size: 12px; color: var(--txt3);
  font-variant-numeric: tabular-nums;
}

#btnRefresh {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--txt2);
  font-family: var(--font);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}
#btnRefresh:hover { background: var(--bg-card2); border-color: var(--border-h); color: var(--txt); }
#btnRefresh:disabled { opacity: .45; cursor: not-allowed; }
.icon-spin { animation: spin .65s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Page ── */
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}

/* ── Section header ── */
.sec-head {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem; margin-top: 2rem;
}
.sec-head:first-child { margin-top: 0; }
.sec-title {
  font-size: 11px; font-weight: 600;
  color: var(--txt3);
  letter-spacing: .07em; text-transform: uppercase; white-space: nowrap;
}
.sec-line { flex: 1; height: 1px; background: var(--border); }
.sec-note { font-size: 11px; color: var(--txt3); }

/* ── Gauge cards ── */
.gauges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: .875rem;
}

.gauge-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.2rem 1.25rem;
  transition: border-color var(--ease), transform var(--ease);
}
.gauge-card:hover { border-color: var(--border-h); transform: translateY(-1px); }

.gc-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: .875rem;
}
.gc-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 600; color: var(--txt2);
  text-transform: uppercase; letter-spacing: .06em;
}
.gc-pct {
  font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px; border: 1px solid;
}
.gc-value {
  font-size: 26px; font-weight: 700;
  color: var(--txt); line-height: 1;
  letter-spacing: -.02em; margin-bottom: .2rem;
}
.gc-value small {
  font-size: 13px; font-weight: 400;
  color: var(--txt3); margin-left: 2px;
}
.gc-sub {
  font-size: 11px; color: var(--txt3);
  margin-bottom: .8rem; line-height: 1.45;
}
.gc-bar {
  height: 4px; background: rgba(255,255,255,.06);
  border-radius: 99px; overflow: hidden; margin-bottom: .55rem;
}
.gc-fill {
  height: 100%; border-radius: 99px;
  transition: width .75s cubic-bezier(.4,0,.2,1);
}
.gc-foot {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--txt3);
}
.gc-foot b { font-weight: 500; }

/* badge/bar colors */
.c-ok     { color: var(--green); border-color: rgba(52,211,153,.3);  background: var(--green-bg); }
.c-warn   { color: var(--amber); border-color: rgba(251,191,36,.3);  background: var(--amber-bg); }
.c-danger { color: var(--red);   border-color: rgba(248,113,113,.3); background: var(--red-bg);   }
.f-ok     { background: var(--green); }
.f-warn   { background: var(--amber); }
.f-danger { background: var(--red);   }

/* ── Stats grid (sistema/software) ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: .75rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .8rem .95rem;
  display: flex; align-items: center; gap: .7rem;
  transition: border-color var(--ease);
}
.stat-card:hover { border-color: var(--border-h); }
.stat-ico {
  width: 34px; height: 34px; border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; flex-shrink: 0;
}
.stat-lbl {
  font-size: 10px; font-weight: 500; color: var(--txt3);
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px;
}
.stat-val {
  font-size: 13px; font-weight: 600; color: var(--txt);
  word-break: break-all;
}

/* ── Network ── */
.net-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: .75rem;
}
.net-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: .95rem 1.05rem;
}
.net-iface {
  font-size: 12px; font-weight: 600; color: var(--cyan);
  margin-bottom: .6rem;
  display: flex; align-items: center; gap: 6px;
}
.net-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0; font-size: 12px;
  border-bottom: 1px solid var(--border);
}
.net-row:last-child { border-bottom: none; }
.net-lbl { color: var(--txt3); }
.net-val { font-weight: 600; color: var(--txt); }

/* ── App cards ── */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: .875rem;
}
.app-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.2rem;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: .7rem;
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}
.app-card:hover {
  border-color: var(--ac-border, var(--border-h));
  transform: translateY(-2px);
  background: var(--bg-card2);
  color: inherit; text-decoration: none;
}
.app-ico {
  width: 42px; height: 42px; border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  background: var(--ac-bg, rgba(255,255,255,.05));
  border: 1px solid var(--ac-b2, var(--border));
  transition: transform var(--ease);
}
.app-card:hover .app-ico { transform: scale(1.06); }
.app-name {
  font-size: 14px; font-weight: 600;
  color: var(--txt); line-height: 1.3;
}
.app-desc {
  font-size: 12px; color: var(--txt3);
  line-height: 1.5; flex: 1;
}
.app-go {
  font-size: 11px; font-weight: 600;
  color: var(--ac-color, var(--txt2));
  display: flex; align-items: center; gap: 4px;
  opacity: 0; transform: translateX(-4px);
  transition: opacity var(--ease), transform var(--ease);
}
.app-card:hover .app-go { opacity: 1; transform: translateX(0); }

.ac-cyan   { --ac-color:var(--cyan);   --ac-bg:var(--cyan-bg);   --ac-border:rgba(34,211,238,.22);  --ac-b2:rgba(34,211,238,.12);  }
.ac-green  { --ac-color:var(--green);  --ac-bg:var(--green-bg);  --ac-border:rgba(52,211,153,.22);  --ac-b2:rgba(52,211,153,.12);  }
.ac-amber  { --ac-color:var(--amber);  --ac-bg:var(--amber-bg);  --ac-border:rgba(251,191,36,.22);  --ac-b2:rgba(251,191,36,.12);  }
.ac-red    { --ac-color:var(--red);    --ac-bg:var(--red-bg);    --ac-border:rgba(248,113,113,.22); --ac-b2:rgba(248,113,113,.12); }
.ac-purple { --ac-color:var(--purple); --ac-bg:var(--purple-bg); --ac-border:rgba(167,139,250,.22); --ac-b2:rgba(167,139,250,.12); }
.ac-blue   { --ac-color:var(--blue);   --ac-bg:var(--blue-bg);   --ac-border:rgba(96,165,250,.22);  --ac-b2:rgba(96,165,250,.12);  }

/* ── Loading / Error ── */
.loading-box {
  display: flex; align-items: center; gap: .75rem;
  padding: 2rem 1rem; color: var(--txt3); font-size: 13px;
}
.spin-ring {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 2px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.err-box {
  display: none;
  background: var(--red-bg);
  border: 1px solid rgba(248,113,113,.22);
  border-radius: var(--r);
  padding: .8rem 1rem;
  font-size: 13px; color: #fca5a5;
  align-items: center; gap: .6rem;
  margin-top: .75rem;
}

/* ── Footer ── */
footer {
  margin-top: 3rem;
  padding: 1.1rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--txt3);
  display: flex; justify-content: space-between;
  align-items: center; gap: 1rem; flex-wrap: wrap;
}

@media (max-width: 640px) {
  .page { padding: 1rem; }
  #topbar { padding: 0 1rem; }
  #clockDisplay { display: none; }
  .gauges-grid { grid-template-columns: 1fr 1fr; }
  .apps-grid   { grid-template-columns: 1fr 1fr; }
}