@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* ===== Frosted Blue Glass tokens (Option B) ===== */
  --glass-bg: rgba(255,255,255,0.52);
  --glass-bg-strong: rgba(255,255,255,0.66);
  --glass-border: rgba(37,99,235,0.12);
  --glass-border-soft: rgba(15,23,42,0.08);
  --glass-shadow: 0 18px 55px rgba(15,23,42,0.10);
  --glass-shadow-soft: 0 10px 30px rgba(15,23,42,0.08);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,0.55);
  --glass-blur: 16px;
  --glass-glow: 0 0 0 1px rgba(56,189,248,0.10), 0 14px 50px rgba(37,99,235,0.10);
}

html { -webkit-text-size-adjust: 100%; }
body{
  margin:0;
  font-family: var(--font-sans);
}

/* ✅ GLOBAL LAYOUT SAFETY (prevents inputs/cards overflowing) */
*,
*::before,
*::after{ box-sizing: border-box; }

img, svg, video, canvas{ max-width:100%; height:auto; }

/* Grid children need min-width:0 or they can overflow containers */
.row, .grid2, .grid, .wrap, .card{ min-width:0; }
.row > *, .grid2 > *, .grid > *, .wrap > *, .card > *{ min-width:0; }

/* Form elements should never exceed their container */
input, select, textarea, button{ max-width:100%; }
input, select, textarea{ min-width: 0; }

/* Utility class: apply mono to specific elements */
.mono{ font-family: var(--font-mono); letter-spacing: -0.01em; }

/* ===== Link reset (modern, no 1990s blue/purple) ===== */
a, a:visited{
  color: inherit;
  text-decoration: none;
}

a:hover{
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

a:focus-visible{
  outline: 2px solid rgba(37,99,235,0.35);
  outline-offset: 3px;
  border-radius: 8px;
}

/* Optional: make profile/callsign links look intentional */
.calllink, .calllink:visited{
  color: rgba(17,24,39,1);
  font-weight: 800;
}

.calllink:hover{
  color: rgba(37,99,235,1);
  text-decoration: none;
}

.calllink:active{
  transform: translateY(1px);
}

/* ===== Shared sweep animation (ONE definition only) ===== */
@keyframes opdx_sweep{
  from{ transform: rotate(0); }
  to{ transform: rotate(360deg); }
}

/* ===== Shared radar ring pulse (ONE definition only) ===== */
@keyframes radarPulse{
  0%{ transform: scale(0.6); opacity: 0.65; }
  70%{ transform: scale(1.45); opacity: 0; }
  100%{ opacity: 0; }
}

/* ===== Header brand mark (match landing page radar sweep) ===== */
/* Supports: <span class="mark"></span> */
.topbar .brand .mark{
  width:34px;
  height:34px;
  border-radius:12px;
  background: linear-gradient(135deg,
    rgba(56,189,248,0.9),
    rgba(37,99,235,0.9),
    rgba(20,184,166,0.9)
  );
  box-shadow: var(--shadowSoft, 0 10px 30px rgba(15,23,42,0.06));
  position:relative;
  overflow:hidden;
}

.topbar .brand .mark::before{
  content:"";
  position:absolute;
  inset:-40%;
  background: conic-gradient(from 10deg,
    transparent 0 70%,
    rgba(255,255,255,0.35) 72% 80%,
    transparent 82% 100%
  );
  animation: opdx_sweep 8s linear infinite;
  mix-blend-mode: overlay;
}

/* ===== Brand Radar Mark (supports your current cluster.html) ===== */
.topbar .brand .radar{
  width:34px;
  height:34px;
  border-radius:12px;
  position:relative;
  overflow:hidden;
  display:inline-grid;
  place-items:center;

  background: linear-gradient(135deg,
    rgba(56,189,248,0.9),
    rgba(37,99,235,0.9),
    rgba(20,184,166,0.9)
  );

  box-shadow: var(--shadowSoft, 0 10px 30px rgba(15,23,42,0.06));
}

.topbar .brand .radar::before{
  content:"";
  position:absolute;
  inset:-40%;
  background: conic-gradient(from 10deg,
    transparent 0 70%,
    rgba(255,255,255,0.35) 72% 80%,
    transparent 82% 100%
  );
  animation: opdx_sweep 8s linear infinite;
  mix-blend-mode: overlay;
}

.topbar .brand .radar__dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 6px 16px rgba(15,23,42,.22);
  z-index:2;
}

.topbar .brand .radar__ring{
  position:absolute;
  inset: 6px;
  border-radius:999px;
  border: 2px solid rgba(255,255,255,0.45);
  animation: radarPulse 2.2s ease-out infinite;
  opacity: 0;
  z-index:1;
}

.topbar .brand .radar__ring--delay{ animation-delay: 1.1s; }

/* =========================================================
   OpenPath DX Footer
   ========================================================= */

.opdx-footer{
  margin-top: 60px;
  padding: 26px 0;
  background: rgba(255,255,255,0.55);
  border-top: 1px solid rgba(229,231,235,0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.opdx-footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size: 13px;
  color: rgba(31,41,55,0.65);
}

.opdx-footer__left{
  display:flex;
  align-items:center;
  gap:10px;
}

.opdx-footer__brand strong{
  font-weight:800;
  letter-spacing:-0.02em;
}

.opdx-footer__brand em{
  font-style:normal;
  color: var(--primary);
  font-weight:800;
  margin-left:4px;
}

.opdx-footer__version{
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.15);
  color: rgba(37,99,235,1);
}

.opdx-footer__links{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.opdx-footer__links a{
  text-decoration:none;
  color: rgba(31,41,55,0.65);
  font-weight:600;
}

.opdx-footer__links a:hover{
  color: var(--primary);
}

.opdx-footer__right{
  font-size:12px;
  color: rgba(31,41,55,0.55);
}

@media (max-width: 720px){
  .opdx-footer__inner{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }
}