/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ─── VARIABLES ─────────────────────────────────────────── */
:root {
  --bg:        #0D0D0D;
  --fg:        #FFFFFF;
  --dim:       #999999;
  --faint:     #555555;
  --border:    #222222;
  --row-hover: #141414;
  --green:     #00FF85;
  --blue:      #1E90FF;
  --pink:      #FF0099;
  --ticker-h:  30px;
  --f: 'JetBrains Mono', 'SF Mono', 'Fira Code', Consolas, monospace;
}

/* ─── CUSTOM CURSOR ─────────────────────────────────────── */
* {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Ccircle cx='16' cy='16' r='4' fill='none' stroke='%2300FF85' stroke-width='1.5'/%3E%3Ccircle cx='16' cy='16' r='1.5' fill='%2300FF85'/%3E%3Cline x1='16' y1='2' x2='16' y2='10' stroke='%2300FF85' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='16' y1='22' x2='16' y2='30' stroke='%2300FF85' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='2' y1='16' x2='10' y2='16' stroke='%2300FF85' stroke-width='1.5' stroke-linecap='round'/%3E%3Cline x1='22' y1='16' x2='30' y2='16' stroke='%2300FF85' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") 16 16, crosshair;
}

/* ─── BASE ──────────────────────────────────────────────── */
html { font-size: 14px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f);
  font-weight: 300;
  line-height: 1.7;
  padding: 3.5rem 2rem 5rem;
  max-width: 760px;
  margin: 0 auto;
}

a { color: inherit; text-decoration: none; }

/* ─── CVE TICKER ────────────────────────────────────────── */
.cve-ticker {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--ticker-h);
  background: #050505;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  overflow: hidden;
  font-family: var(--f);
  font-size: 0.67rem;
}

.cve-label {
  flex-shrink: 0;
  padding: 0 0.9rem;
  color: var(--green);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.6rem;
  border-right: 1px solid var(--border);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #050505;
  z-index: 1;
}

.cve-label-dot {
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: blink 1.4s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.cve-track {
  flex: 1;
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}

.cve-inner {
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.cve-inner.running              { animation: ticker 90s linear infinite; }
.cve-track:hover .cve-inner    { animation-play-state: paused; }

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.cve-item-id    { color: var(--green); font-weight: 500; margin-right: 0.45rem; }
.cve-item-score { color: var(--pink);  margin-right: 0.45rem; }
.cve-item-desc  { color: var(--dim);   margin-right: 0.3rem; }
.cve-item-sep   { color: var(--faint); margin: 0 1.2rem; }

/* ─── NAV ──────────────────────────────────────────────── */
nav { margin-bottom: 4rem; }

.nav-box {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@keyframes nav-color-cycle {
  0%   { color: var(--green); }
  33%  { color: var(--blue);  }
  66%  { color: var(--pink);  }
  100% { color: var(--green); }
}

.nav-link {
  display: block;
  padding: 0.35rem 0.5rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  color: var(--dim);
  background: var(--bg);
  transition: background 0.1s;
  white-space: nowrap;
  animation: nav-color-cycle 5s linear infinite;
}
.nav-link:hover  { animation: none; background: var(--pink); color: var(--bg); }
.nav-link.active { animation: none; color: var(--green); }

.nav-box .nav-link:nth-child(1) { animation-delay:    0s; }
.nav-box .nav-link:nth-child(2) { animation-delay:  -1s; }
.nav-box .nav-link:nth-child(3) { animation-delay:  -2s; }
.nav-box .nav-link:nth-child(4) { animation-delay:  -3s; }
.nav-box .nav-link:nth-child(5) { animation-delay:  -4s; }
.nav-box .nav-link:nth-child(6) { animation-delay:  -5s; }
.nav-box .nav-link:nth-child(7) { animation-delay:  -6s; }
.nav-box .nav-link:nth-child(8) { animation-delay:  -7s; }

/* ─── HEADER ───────────────────────────────────────────── */
.header { margin-bottom: 3.5rem; }

.header-rule {
  color: var(--green);
  letter-spacing: -0.05em;
  font-size: 0.85rem;
  margin-bottom: 1.2rem;
  overflow: hidden;
  white-space: nowrap;
}

.header-name {
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.header-meta {
  color: var(--dim);
  font-size: 0.86rem;
  line-height: 1.8;
}

/* ─── SECTIONS ─────────────────────────────────────────── */
.block { margin-bottom: 3.5rem; }

.block-label {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  color: var(--green);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
}
.block-label::after {
  content: '';
  display: block;
  height: 1px;
  background: var(--border);
  flex: 1;
}

/* ─── FOOTER ───────────────────────────────────────────── */
footer {
  margin-top: 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--faint);
  font-size: 0.7rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

/* ─── SCROLL TO TOP ─────────────────────────────────────── */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--green);
  color: var(--green);
  background: var(--bg);
  font-family: var(--f);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, background 0.12s, color 0.12s, border-color 0.12s;
  z-index: 99;
}
#scroll-top.visible { opacity: 1; pointer-events: auto; }
#scroll-top:hover   { background: var(--pink); color: var(--bg); border-color: var(--pink); }

/* ─── RESPONSIVE ───────────────────────────────────────── */
@media (max-width: 560px) {
  html { font-size: 13px; }
  body { padding: 2.5rem 1.2rem 4rem; }
  .nav-box { grid-template-columns: repeat(2, 1fr); }
  footer   { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}