:root {
  color-scheme: dark;
  --bg: #030304;
  --panel: rgba(10, 12, 14, .84);
  --panel-strong: rgba(15, 10, 12, .94);
  --red: #d51c2d;
  --deep-red: #5a0710;
  --green: #98ffc0;
  --amber: #f0d49d;
  --text: #eee8dc;
  --muted: #9c9489;
  --line: rgba(255, 255, 255, .12);
  --shadow: rgba(0, 0, 0, .64);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 70% -10%, rgba(213, 28, 45, .25), transparent 32%),
    radial-gradient(circle at 12% 22%, rgba(152, 255, 192, .08), transparent 26%),
    linear-gradient(180deg, #060708 0%, #010102 58%, #080001 100%);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

button {
  font: inherit;
}

.grain,
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.grain {
  z-index: 1;
  opacity: .15;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.14) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,.12) 0 1px, transparent 1px);
  background-size: 100% 3px, 47px 53px, 71px 67px;
  mix-blend-mode: overlay;
  animation: scan 4s linear infinite, noise 1.8s steps(2, end) infinite;
}

.vignette {
  z-index: 2;
  background: radial-gradient(circle at center, transparent 36%, rgba(0,0,0,.86) 92%);
}

@keyframes scan {
  from { transform: translateY(-12px); }
  to { transform: translateY(12px); }
}

@keyframes noise {
  0%, 100% { filter: contrast(1); }
  50% { filter: contrast(1.7); }
}

.topbar,
.shell {
  position: relative;
  z-index: 3;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 22px var(--red);
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(.75); opacity: .45; }
  50% { transform: scale(1.2); opacity: 1; }
}

.controls,
.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.shell {
  width: min(1220px, calc(100% - 28px));
  margin: 0 auto;
  padding: 58px 0 46px;
}

.intro-panel {
  max-width: 900px;
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(120deg, rgba(0,0,0,.62), rgba(15, 5, 8, .76)),
    image-set(url("assets/generated/dead-browser-hero.webp") type("image/webp"));
  background-position: center;
  background-size: cover;
  box-shadow: 0 34px 120px var(--shadow);
  overflow: hidden;
}

.intro-panel::before {
  content: "";
  position: absolute;
}

.eyebrow,
.label {
  margin: 0 0 12px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0 0 20px;
  font-size: clamp(44px, 8.6vw, 106px);
  line-height: .88;
  letter-spacing: -.08em;
  text-shadow: 0 0 36px rgba(213, 28, 45, .34);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -.04em;
}

.lead {
  max-width: 760px;
  margin: 0 0 22px;
  color: #d4cdc3;
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.75;
}

.safety-card,
.casefile,
.evidence,
.mainframe {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 28px 90px var(--shadow);
  backdrop-filter: blur(16px);
}

.safety-card {
  max-width: 720px;
  margin-bottom: 22px;
  padding: 18px 20px;
  border-radius: 22px;
}

.safety-card h2 {
  font-size: 18px;
  letter-spacing: 0;
}

.safety-card p {
  margin: 0;
  color: #c7beb4;
  line-height: 1.7;
}

.primary-button,
.ghost-button,
.mini-button {
  border: 1px solid rgba(152,255,192,.34);
  border-radius: 999px;
  color: var(--green);
  background: rgba(152,255,192,.08);
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.primary-button {
  padding: 14px 20px;
  color: #041107;
  background: var(--green);
  font-weight: 800;
  box-shadow: 0 0 34px rgba(152,255,192,.18);
}

.ghost-button {
  padding: 10px 14px;
}

.mini-button {
  position: absolute;
  right: 20px;
  bottom: 18px;
  padding: 8px 12px;
  font-size: 12px;
}

.danger {
  border-color: rgba(213, 28, 45, .48);
  color: #ffd3d7;
  background: rgba(213, 28, 45, .12);
}

.primary-button:hover,
.ghost-button:hover,
.mini-button:hover {
  transform: translateY(-2px);
  border-color: var(--green);
}

.workspace {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 230px;
  gap: 16px;
  min-height: 720px;
}

.casefile,
.evidence {
  align-self: start;
  border-radius: 26px;
  padding: 18px;
}

.portrait {
  height: 210px;
  margin-bottom: 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(3,3,4,.18), rgba(3,3,4,.62)),
    url("assets/generated/missing-user-portrait.webp");
  background-size: cover;
  background-position: center;
  filter: grayscale(.28) contrast(1.18);
}

.casefile p,
.evidence li {
  color: #bdb5ab;
  line-height: 1.55;
}

.meter {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.meter-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
}

.meter-track span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--red));
  transition: width .4s ease;
}

.mainframe {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(12,15,16,.9), rgba(3,3,4,.95)),
    url("assets/generated/glitch-noise.webp");
  background-size: cover;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.055);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--red);
}

.browser-bar span:nth-child(2) {
  background: var(--amber);
}

.browser-bar span:nth-child(3) {
  background: var(--green);
}

#addressBar {
  flex: 1;
  min-width: 0;
  margin-left: 8px;
  padding: 8px 12px;
  overflow: hidden;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(0,0,0,.38);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.terminal-view,
.tabs-view,
.corridor-view,
.ending-view {
  position: relative;
  min-height: 668px;
  padding: clamp(18px, 3vw, 30px);
}

.terminal-output {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 560px;
  padding-right: 18px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: clamp(13px, 1.6vw, 16px);
  line-height: 1.65;
}

.terminal-line {
  opacity: .92;
  text-shadow: 0 0 18px rgba(152,255,192,.18);
}

.terminal-line.warn {
  color: #ffd3d7;
}

.terminal-line.system {
  color: #d8d3c8;
}

.terminal-input {
  display: flex;
  gap: 10px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.tab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tab-card {
  min-height: 360px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  cursor: pointer;
  text-align: left;
}

.tab-card.is-locked {
  cursor: not-allowed;
  opacity: .58;
}

.tab-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 22px;
}

.tab-card p {
  color: #bfb7ad;
  line-height: 1.7;
}

.tab-card .status {
  display: inline-flex;
  margin-top: 18px;
  padding: 6px 9px;
  border: 1px solid rgba(152,255,192,.22);
  border-radius: 999px;
  color: var(--green);
  font-size: 12px;
}

.corridor-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 18px;
}

.corridor-stage {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background-position: center;
  background-size: cover;
  box-shadow: inset 0 0 90px rgba(0,0,0,.72);
}

.corridor-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 52%, transparent 22%, rgba(0,0,0,.72) 84%),
    linear-gradient(90deg, rgba(3,3,4,.36), transparent, rgba(3,3,4,.36));
}

.hotspot {
  position: absolute;
  width: 92px;
  height: 92px;
  border: 1px solid rgba(152,255,192,.12);
  border-radius: 50%;
  background: rgba(152,255,192,.02);
  cursor: crosshair;
}

.hotspot:hover,
.hotspot:focus-visible {
  outline: none;
  border-color: rgba(152,255,192,.78);
  box-shadow: 0 0 34px rgba(152,255,192,.18);
}

.loop-panel {
  align-self: stretch;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel-strong);
}

.loop-panel p {
  color: #c9c1b8;
  line-height: 1.7;
}

.hint {
  margin-top: 22px;
  color: var(--green) !important;
}

.evidence ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}

.ending-view {
  display: grid;
  place-content: center;
  text-align: center;
  background:
    linear-gradient(rgba(0,0,0,.35), rgba(0,0,0,.75)),
    url("assets/generated/dead-browser-hero.webp");
  background-position: center;
  background-size: cover;
}

.ending-view h2 {
  font-size: clamp(38px, 6vw, 72px);
}

.ending-view p {
  max-width: 650px;
  color: #d8d0c7;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.6;
}

.recovered-card {
  display: grid;
  gap: 8px;
  width: min(520px, 100%);
  margin: 18px auto 24px;
  padding: 20px;
  border: 1px solid rgba(213,28,45,.42);
  border-radius: 22px;
  background: rgba(0,0,0,.58);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.recovered-card strong {
  color: var(--red);
  font-size: 26px;
  letter-spacing: .12em;
}

.is-hidden {
  display: none !important;
}

.glitch {
  animation: glitch .42s steps(2, end) 2;
}

@keyframes glitch {
  0%, 100% { transform: translate(0); filter: none; }
  25% { transform: translate(7px, -3px); filter: hue-rotate(22deg) contrast(1.4); }
  50% { transform: translate(-5px, 4px); filter: invert(.08) contrast(1.8); }
  75% { transform: translate(3px, 2px); filter: saturate(1.8); }
}

@media (max-width: 1020px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .casefile {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 14px;
  }

  .portrait {
    height: 130px;
    margin: 0;
  }

  .tab-grid,
  .corridor-view {
    grid-template-columns: 1fr;
  }

  .corridor-stage {
    min-height: 500px;
  }
}

@media (max-width: 640px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .shell {
    padding-top: 30px;
  }

  .casefile {
    grid-template-columns: 1fr;
  }

  .terminal-view,
  .tabs-view,
  .corridor-view,
  .ending-view {
    min-height: 620px;
  }

  .corridor-stage {
    min-height: 440px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }

  .grain {
    opacity: .06;
  }
}