:root {
  --void: #030405;
  --night: #0a0c0f;
  --stone: #14181e;
  --rime: #e8eef4;
  --frost: #f2f5f8;
  --ice: #c5ced8;
  --mist: #9aa5b1;
  --shear: #6b7682;
  --panel: rgba(14, 17, 22, 0.72);
  --line: rgba(197, 206, 216, 0.22);
  --sheen: rgba(242, 245, 248, 0.08);
  /* Severity — readable on void/night, no neon glow */
  --sev-critical: #f0b4b0;
  --sev-critical-bg: rgba(148, 38, 42, 0.32);
  --sev-critical-border: rgba(196, 78, 82, 0.58);
  --sev-high: #e8b878;
  --sev-high-bg: rgba(148, 88, 28, 0.28);
  --sev-high-border: rgba(196, 128, 52, 0.52);
  --sev-medium: #d4c478;
  --sev-medium-bg: rgba(120, 104, 32, 0.24);
  --sev-medium-border: rgba(168, 148, 56, 0.48);
  --sev-low: #8fa8bc;
  --sev-low-bg: rgba(56, 84, 108, 0.28);
  --sev-low-border: rgba(110, 140, 164, 0.45);
  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "Sora", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--frost);
  background: var(--void);
  min-height: 100vh;
  line-height: 1.55;
  position: relative;
  overflow-x: hidden;
}

/* Atmospheric ice field */
.sky {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(242, 245, 248, 0.55), transparent),
    radial-gradient(1px 1px at 28% 42%, rgba(242, 245, 248, 0.35), transparent),
    radial-gradient(1.5px 1.5px at 64% 22%, rgba(232, 238, 244, 0.5), transparent),
    radial-gradient(1px 1px at 81% 58%, rgba(197, 206, 216, 0.35), transparent),
    radial-gradient(1px 1px at 45% 12%, rgba(242, 245, 248, 0.4), transparent),
    radial-gradient(1px 1px at 92% 30%, rgba(197, 206, 216, 0.28), transparent),
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(197, 206, 216, 0.12), transparent 55%),
    linear-gradient(180deg, #020304 0%, #0a0c0f 38%, #10141a 100%);
}

.aurora {
  position: fixed;
  inset: -25% -15% auto;
  height: 58vh;
  z-index: -2;
  background:
    radial-gradient(ellipse 55% 42% at 18% 45%, rgba(232, 238, 244, 0.14), transparent 70%),
    radial-gradient(ellipse 45% 38% at 72% 28%, rgba(197, 206, 216, 0.1), transparent 70%),
    radial-gradient(ellipse 30% 25% at 48% 55%, rgba(242, 245, 248, 0.06), transparent 65%);
  filter: blur(32px);
  animation: frost-drift 22s ease-in-out infinite alternate;
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.045;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: overlay;
  animation: grain-shift 8s steps(6) infinite;
}

.wall {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30vh;
  z-index: -1;
  background:
    linear-gradient(180deg, transparent 0%, rgba(3, 4, 5, 0.15) 18%, rgba(10, 12, 15, 0.92) 52%, #050607 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 52px,
      rgba(197, 206, 216, 0.05) 52px,
      rgba(197, 206, 216, 0.05) 53px
    );
  border-top: 1px solid rgba(197, 206, 216, 0.18);
  box-shadow: 0 -40px 80px rgba(197, 206, 216, 0.04);
  pointer-events: none;
}

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 1.5rem 5rem;
  max-width: 920px;
  margin: 0 auto;
  animation: hero-rise 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero-mark {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--shear);
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 10vw, 6.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin: 0;
  color: var(--frost);
  background: linear-gradient(
    120deg,
    #ffffff 0%,
    var(--rime) 35%,
    var(--ice) 55%,
    #ffffff 75%,
    var(--rime) 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: ice-sheen 10s ease-in-out infinite;
  filter: drop-shadow(0 0 28px rgba(232, 238, 244, 0.12));
}

.tagline {
  margin: 1.1rem 0 0;
  max-width: 36rem;
  color: var(--mist);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.45;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn,
button {
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--frost);
  border-radius: 1px;
  background: var(--frost);
  color: var(--void);
  text-decoration: none;
  cursor: pointer;
  width: fit-content;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
button:hover:not(:disabled) {
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 0 0 1px rgba(242, 245, 248, 0.35), 0 0 24px rgba(197, 206, 216, 0.18);
}

button:disabled,
.btn:disabled {
  cursor: wait;
  opacity: 0.85;
  box-shadow: none;
}

#subscribeBtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-width: 11.5rem;
  min-height: 2.65rem;
}

#subscribeBtn .btn-progress {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

#subscribeBtn .btn-progress[hidden] {
  display: none;
}

#subscribeForm.is-submitting #subscribeBtn {
  background: var(--stone);
  color: var(--frost);
  border-color: var(--ice);
  box-shadow: inset 0 0 0 1px rgba(197, 206, 216, 0.2);
}

.ice-spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgba(197, 206, 216, 0.25);
  border-top-color: var(--frost);
  border-right-color: var(--ice);
  animation: ice-spin 0.75s linear infinite;
  box-shadow: 0 0 10px rgba(242, 245, 248, 0.2);
}

.btn-progress-text {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.btn-ghost {
  background: transparent;
  color: var(--frost);
  border-color: var(--line);
}

.btn-ghost:hover {
  background: var(--sheen);
  box-shadow: none;
  color: var(--frost);
  border-color: var(--ice);
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: grid;
  gap: 1.5rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1px;
  padding: 1.35rem 1.4rem 1.55rem;
  backdrop-filter: blur(12px) saturate(1.05);
  box-shadow:
    inset 0 1px 0 rgba(242, 245, 248, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.35);
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--frost);
}

.lede { color: var(--mist); margin: 0 0 1rem; }

.manage-hint {
  margin: 1.1rem 0 0;
  color: var(--shear);
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}

.manage-hint a {
  color: var(--ice);
  text-decoration: underline;
  text-decoration-color: rgba(197, 206, 216, 0.35);
  text-underline-offset: 0.18em;
}

.manage-hint a:hover,
.manage-hint a:focus-visible {
  color: var(--frost);
  text-decoration-color: rgba(242, 245, 248, 0.55);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

label { display: grid; gap: 0.35rem; font-size: 0.92rem; color: var(--mist); }

input, select {
  font: inherit;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 1px;
  background: rgba(3, 4, 5, 0.78);
  color: var(--frost);
}

input:focus, select:focus, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.35rem 0.75rem;
  margin: 0.4rem 0 0.8rem;
}

.check-grid label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  color: var(--frost);
}

fieldset {
  border: 1px solid var(--line);
  margin: 0 0 1rem;
  padding: 0.75rem;
}

legend { padding: 0 0.35rem; color: var(--mist); }

.cf-turnstile,
.turnstile {
  margin: 0.75rem 0 1rem;
  min-height: 65px;
  position: relative;
  z-index: 1;
  /* Keep widget visible on the ice/void background */
  display: flex;
  align-items: center;
}

.meta { color: var(--mist); font-size: 0.9rem; margin-bottom: 0.75rem; }
.digest-list { display: grid; gap: 0.75rem; }

.empty-state {
  margin: 0.25rem 0 0;
  color: var(--mist);
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.pager button {
  font: inherit;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 1px;
  background: rgba(3, 4, 5, 0.78);
  color: var(--frost);
  cursor: pointer;
}

.pager button:hover:not(:disabled) {
  border-color: var(--ice);
  color: #ffffff;
}

.pager button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pager-status {
  color: var(--mist);
  font-size: 0.9rem;
}

.topic-tag {
  margin-left: 0.45rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--shear);
  letter-spacing: 0.02em;
}

.hint {
  font-weight: 400;
  color: var(--shear);
  font-size: 0.85em;
}

.topic-cards {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1rem;
}

.topic-domain-card {
  border: 1px solid var(--line);
  margin: 0;
  padding: 0.75rem;
  background: rgba(3, 4, 5, 0.45);
}

.topic-domain-card legend {
  padding: 0 0.35rem;
  color: var(--frost);
  font-weight: 500;
}

.topic-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.45rem;
}

.topic-card-hint {
  margin: 0;
  color: var(--mist);
  font-size: 0.85rem;
}

.topic-select-all {
  flex-shrink: 0;
  margin: 0;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ice);
  font: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.topic-select-all:hover {
  border-color: var(--ice);
  background: var(--sheen);
  color: var(--frost);
}

.topic-select-all:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.topic-checks {
  max-height: min(36vh, 240px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding-right: 0.25rem;
  margin: 0;
}

.topic-chip {
  min-height: 2.5rem;
  padding: 0.35rem 0.15rem;
}

.chip-meta {
  color: var(--shear);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

@media (max-width: 640px) {
  .topic-checks {
    max-height: min(40vh, 220px);
    grid-template-columns: 1fr;
  }
}

.item {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

.item .id {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.92rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
}

.item .cve-link {
  color: var(--frost);
  text-decoration: underline;
  text-decoration-color: rgba(197, 206, 216, 0.55);
  text-underline-offset: 3px;
  font-weight: 600;
}

.item .cve-link:hover {
  color: #ffffff;
  text-decoration-color: #ffffff;
}

.item-date {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.item-date.muted { color: var(--shear); }

.sev-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--mist);
  border: 1px solid var(--line);
  background: rgba(10, 12, 15, 0.55);
  padding: 0.12rem 0.4rem;
  border-radius: 1px;
}

.sev-CRITICAL {
  color: var(--sev-critical);
  background: var(--sev-critical-bg);
  border-color: var(--sev-critical-border);
}

.sev-HIGH {
  color: var(--sev-high);
  background: var(--sev-high-bg);
  border-color: var(--sev-high-border);
}

.sev-MEDIUM {
  color: var(--sev-medium);
  background: var(--sev-medium-bg);
  border-color: var(--sev-medium-border);
}

.sev-LOW {
  color: var(--sev-low);
  background: var(--sev-low-bg);
  border-color: var(--sev-low-border);
}

/* Severity filter / floor selects — tint when a level is active */
select.sev-filter-CRITICAL,
select.sev-floor-critical {
  color: var(--sev-critical);
  border-color: var(--sev-critical-border);
  background: rgba(52, 16, 18, 0.94);
}

select.sev-filter-HIGH,
select.sev-floor-high {
  color: var(--sev-high);
  border-color: var(--sev-high-border);
  background: rgba(48, 30, 12, 0.94);
}

select.sev-filter-MEDIUM {
  color: var(--sev-medium);
  border-color: var(--sev-medium-border);
  background: rgba(40, 36, 12, 0.94);
}

select.sev-filter-LOW {
  color: var(--sev-low);
  border-color: var(--sev-low-border);
  background: rgba(16, 28, 38, 0.94);
}

select.sev-floor-kev {
  color: var(--sev-critical);
  border-color: var(--sev-critical-border);
  background: rgba(44, 14, 16, 0.94);
}

.tier-P1 { color: #ffffff; font-weight: 600; }
.tier-P2 { color: var(--rime); }
.tier-P3 { color: var(--mist); }
.tier-P4 { color: var(--shear); }

.kev {
  display: inline-block;
  margin-left: 0.35rem;
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(242, 245, 248, 0.55);
}

.form-msg { min-height: 1.25rem; color: var(--mist); }
.form-msg.ok { color: var(--ice); }
.form-msg.err { color: #ffffff; text-decoration: underline; text-underline-offset: 3px; }
.form-msg.pending {
  color: var(--ice);
  background: linear-gradient(90deg, var(--mist), var(--frost), var(--ice), var(--mist));
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: ice-text-flow 1.6s ease-in-out infinite;
}

ul { padding-left: 1.15rem; color: var(--mist); }
a { color: var(--frost); text-decoration-color: rgba(197, 206, 216, 0.45); }
a:hover { color: #ffffff; text-decoration-color: #ffffff; }

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--ice);
}

footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2.5rem;
  color: var(--shear);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem 1.5rem;
  font-size: 0.85rem;
  border-top: 1px solid rgba(197, 206, 216, 0.12);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  color: var(--mist);
}

.footer-credit {
  margin: 0;
  text-align: right;
  line-height: 1.45;
}

.footer-credit a {
  color: var(--ice);
  text-decoration-color: rgba(197, 206, 216, 0.35);
}

.footer-credit a:hover,
.footer-credit a:focus-visible {
  color: var(--frost);
  text-decoration-color: rgba(242, 245, 248, 0.55);
}

.footer-credit-note {
  color: var(--shear);
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes frost-drift {
  from { transform: translate3d(-3%, 0, 0) scale(1); opacity: 0.85; }
  to { transform: translate3d(4%, 5%, 0) scale(1.06); opacity: 1; }
}

@keyframes ice-sheen {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.manage-hero {
  min-height: auto;
  padding-bottom: 1.5rem;
}

.manage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}

.manage-actions .btn-ghost {
  margin: 0;
}

@keyframes ice-spin {
  to { transform: rotate(360deg); }
}

@keyframes ice-text-flow {
  0% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  20% { transform: translate(-1%, 1%); }
  40% { transform: translate(1%, -1%); }
  60% { transform: translate(-1%, -1%); }
  80% { transform: translate(1%, 1%); }
  100% { transform: translate(0, 0); }
}

@media (max-width: 640px) {
  .hero { padding-top: 3rem; min-height: 92vh; }
  footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-credit { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero,
  .aurora,
  .brand,
  .grain {
    animation: none;
  }
  .brand {
    -webkit-text-fill-color: var(--frost);
    background: none;
    color: var(--frost);
  }
}