:root {
  --bg: #050505;
  --bg-2: #0b0b0d;
  --panel: rgba(10, 10, 12, .74);
  --panel-solid: #101012;
  --text: #f1f1f1;
  --muted: #a9a9a9;
  --line: rgba(255, 255, 255, .22);
  --line-strong: rgba(255, 255, 255, .48);
  --white: #ffffff;
  --black: #000000;
  --shadow: rgba(0, 0, 0, .72);
  --font-title: "Bangers", system-ui, sans-serif;
  --font-ui: "Fugaz One", system-ui, sans-serif;
  --font-text: "Barlow", system-ui, sans-serif;
  --font-mono: "Roboto Mono", monospace;
}

body.light {
  --bg: #eeeeee;
  --bg-2: #dadada;
  --panel: rgba(255, 255, 255, .76);
  --panel-solid: #f7f7f7;
  --text: #0a0a0a;
  --muted: #353535;
  --line: rgba(0, 0, 0, .24);
  --line-strong: rgba(0, 0, 0, .55);
  --shadow: rgba(0, 0, 0, .18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 18%, rgba(255,255,255,.08), transparent 24%),
    radial-gradient(circle at 82% 25%, rgba(255,255,255,.07), transparent 20%),
    linear-gradient(115deg, #080808 0%, var(--bg) 46%, #020202 100%);
  font-family: var(--font-text);
  overflow-x: hidden;
}

body.light {
  background:
    radial-gradient(circle at 20% 18%, rgba(0,0,0,.08), transparent 24%),
    radial-gradient(circle at 82% 25%, rgba(0,0,0,.07), transparent 20%),
    linear-gradient(115deg, #f3f3f3 0%, var(--bg) 46%, #cfcfcf 100%);
}

.noise,
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 20;
}

.noise {
  opacity: .11;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 5px 5px;
  mix-blend-mode: screen;
}

body.light .noise {
  opacity: .08;
  mix-blend-mode: multiply;
}

.scanlines {
  opacity: .12;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(255,255,255,.05) 4px
  );
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at center, black, transparent 70%);
}

body::after {
  z-index: -1;
  background: radial-gradient(circle at center, transparent 35%, rgba(0,0,0,.86) 100%);
}

body.light::after {
  background: radial-gradient(circle at center, transparent 35%, rgba(0,0,0,.18) 100%);
}

.topbar {
  width: min(1500px, 94vw);
  margin: 0 auto;
  padding: 24px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  position: relative;
  z-index: 5;
}

.case-label {
  position: relative;
  padding: 13px 22px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  line-height: 1.45;
  background: rgba(0,0,0,.22);
}

.case-label strong {
  display: block;
  color: var(--text);
  font-weight: 500;
}

.case-label::before,
.case-label::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-color: var(--text);
  border-style: solid;
}

.case-label::before {
  left: -8px;
  top: -8px;
  border-width: 1px 0 0 1px;
}

.case-label::after {
  right: -8px;
  bottom: -8px;
  border-width: 0 1px 1px 0;
}

.nav-actions {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-actions a,
.theme-toggle {
  min-height: 40px;
  color: var(--text);
  border: 1px solid transparent;
  background: rgba(0,0,0,.18);
  text-decoration: none;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: .78rem;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-actions a:hover,
.theme-toggle:hover {
  border-color: var(--line-strong);
  background: rgba(255,255,255,.08);
}

.page-shell {
  width: min(1500px, 94vw);
  margin: 20px auto 0;
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(320px, 760px) minmax(180px, 300px);
  align-items: start;
  gap: clamp(18px, 4vw, 46px);
  position: relative;
  z-index: 2;
}

.hero {
  text-align: center;
  padding: 18px 0 28px;
}

.logo-stage {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: min(760px, 86vw);
  min-height: 130px;
  filter: drop-shadow(0 0 18px rgba(255,255,255,.18));
}

.logo-img {
  max-width: min(760px, 86vw);
  max-height: 150px;
  object-fit: contain;
  filter: grayscale(1) contrast(1.25);
  animation: logoReveal 2.8s ease-out both;
  image-rendering: pixelated;
}

.logo-fallback {
  display: block;
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(4.8rem, 12vw, 10rem);
  line-height: .8;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--white);
  text-shadow:
    2px 0 rgba(255,255,255,.22),
    -2px 0 rgba(255,255,255,.14),
    0 0 24px rgba(255,255,255,.16);
  animation: textGlitchIn 2.4s steps(8, end) both;
}

body.light .logo-fallback {
  color: #111;
  text-shadow: 2px 0 rgba(0,0,0,.2), -2px 0 rgba(0,0,0,.12);
}

.pixel-burst {
  position: absolute;
  width: 40%;
  height: 70%;
  left: 20%;
  top: 14%;
  background:
    radial-gradient(square, #fff 0 20%, transparent 21%);
}

.logo-stage::before,
.logo-stage::after {
  content: "";
  position: absolute;
  inset: 12% 8%;
  pointer-events: none;
  opacity: .68;
  background-image:
    linear-gradient(90deg, transparent 0 72%, var(--text) 72% 76%, transparent 76% 100%),
    linear-gradient(90deg, transparent 0 35%, var(--text) 35% 38%, transparent 38% 100%);
  background-size: 32px 32px, 46px 46px;
  clip-path: polygon(0 0, 43% 0, 52% 100%, 0 100%);
  animation: pixelDust 2.8s ease-out both;
}

.logo-stage::after {
  opacity: .32;
  transform: translateX(16px);
  animation-delay: .25s;
}

.hero-rule {
  width: min(480px, 72vw);
  height: 1px;
  margin: 2px auto 24px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
  position: relative;
}

.hero-rule::after {
  content: "◆";
  position: absolute;
  inset: auto auto -9px 50%;
  transform: translateX(-50%);
  color: var(--text);
  font-size: 13px;
}

.intro-text {
  width: min(720px, 94vw);
  margin: 0 auto 26px;
  font-family: var(--font-mono);
  color: var(--text);
  line-height: 1.55;
  font-size: clamp(.98rem, 1.6vw, 1.18rem);
  text-shadow: 0 2px 12px #000;
}

body.light .intro-text {
  text-shadow: none;
}

.intro-text p {
  margin: 7px 0;
}

.intro-text .lead {
  font-family: var(--font-ui);
  font-size: clamp(1.05rem, 1.9vw, 1.4rem);
  letter-spacing: .02em;
}

.intro-text .closing {
  margin-top: 14px;
  font-weight: 700;
  color: var(--white);
}

body.light .intro-text .closing {
  color: #111;
}

.auth-card {
  width: min(620px, 94vw);
  margin: 0 auto;
  padding: 22px;
  background: var(--panel);
  backdrop-filter: blur(13px);
  border: 1px solid var(--line-strong);
  box-shadow: 0 26px 70px var(--shadow);
  clip-path: polygon(18px 0, calc(100% - 18px) 0, 100% 18px, 100% calc(100% - 18px), calc(100% - 18px) 100%, 18px 100%, 0 calc(100% - 18px), 0 18px);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 18px;
}

.tab {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  padding: 10px;
  font-family: var(--font-ui);
  text-transform: uppercase;
  cursor: pointer;
}

.tab.active,
.tab:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(255,255,255,.1);
}

.field {
  display: block;
  text-align: left;
  margin: 13px 0;
}

.field > span {
  display: block;
  margin: 0 0 6px 8px;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: .82rem;
}

.input-wrap {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.3);
  min-height: 56px;
}

body.light .input-wrap {
  background: rgba(255,255,255,.38);
}

.input-wrap:focus-within {
  border-color: var(--white);
  box-shadow: 0 0 0 3px rgba(255,255,255,.08);
}

.input-wrap i {
  font-style: normal;
  color: var(--text);
  opacity: .86;
  text-align: center;
  font-family: var(--font-mono);
}

.input-wrap input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: 500 1rem var(--font-mono);
  padding: 0 6px;
}

.input-wrap input::placeholder {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
}

.show-pass {
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
}

.auth-note {
  width: min(440px, 94%);
  margin: 18px auto 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.5;
}

.auth-note strong {
  color: var(--text);
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 56px;
  padding: 12px 18px;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border .18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--text);
  background: rgba(0,0,0,.28);
}

.btn-light {
  color: #050505;
  background: var(--white);
}

body.light .btn-light {
  color: #fff;
  background: #111;
}

.form-message {
  min-height: 24px;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  color: var(--text);
}

.form-message.error {
  color: #ffb8b8;
}

body.light .form-message.error {
  color: #7b0000;
}

.investigation-board {
  min-height: 620px;
  position: relative;
  opacity: .72;
}

.board-map,
.terminal-card,
.truth-note,
.note,
.photo,
.book-stack {
  position: absolute;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px var(--shadow);
}

.board-map {
  top: 36px;
  left: 0;
  width: 100%;
  height: 260px;
  background:
    linear-gradient(30deg, transparent 48%, rgba(255,255,255,.18) 49%, transparent 50%),
    linear-gradient(120deg, transparent 48%, rgba(255,255,255,.13) 49%, transparent 50%),
    repeating-linear-gradient(15deg, rgba(255,255,255,.08) 0 1px, transparent 1px 20px),
    rgba(255,255,255,.04);
  transform: rotate(-2deg);
}

body.light .board-map {
  background:
    linear-gradient(30deg, transparent 48%, rgba(0,0,0,.16) 49%, transparent 50%),
    linear-gradient(120deg, transparent 48%, rgba(0,0,0,.11) 49%, transparent 50%),
    repeating-linear-gradient(15deg, rgba(0,0,0,.08) 0 1px, transparent 1px 20px),
    rgba(255,255,255,.24);
}

.map-title {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .08em;
}

.map-line {
  position: absolute;
  height: 1px;
  background: var(--line-strong);
  transform-origin: left;
}

.line-a { width: 170px; top: 100px; left: 50px; transform: rotate(23deg); }
.line-b { width: 140px; top: 180px; left: 70px; transform: rotate(-31deg); }
.line-c { width: 190px; top: 145px; left: 26px; transform: rotate(2deg); }

.pin {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 12px rgba(255,255,255,.3);
}

.pin-a { top: 94px; left: 48px; }
.pin-b { top: 173px; left: 208px; }
.pin-c { top: 140px; left: 28px; }

.note {
  background: rgba(255,255,255,.86);
  color: #111;
  font-family: var(--font-title);
  letter-spacing: .03em;
  padding: 12px 14px;
  transform: rotate(-3deg);
}

.note-small {
  top: 235px;
  left: 42px;
  font-size: 1.35rem;
}

.note-large {
  top: 430px;
  left: 86px;
  font-size: 1.7rem;
  line-height: 1.1;
}

.photo {
  top: 345px;
  left: 10px;
  width: 112px;
  height: 130px;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 3rem;
  transform: rotate(2deg);
}

.photo-pixel {
  image-rendering: pixelated;
}

.truth-note {
  top: 68px;
  right: 8px;
  width: 190px;
  padding: 18px;
  color: #111;
  background: rgba(255,255,255,.82);
  font-family: var(--font-title);
  font-size: 1.55rem;
  line-height: 1.06;
  text-align: left;
  transform: rotate(-4deg);
}

.terminal-card {
  top: 250px;
  right: 0;
  width: 100%;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  background:
    repeating-linear-gradient(to bottom, transparent 0 9px, rgba(255,255,255,.08) 10px),
    rgba(0,0,0,.68);
  font-family: var(--font-mono);
  text-align: left;
}

.terminal-card strong {
  display: block;
  font-size: 3rem;
  line-height: .9;
  color: var(--text);
  text-shadow: 0 0 16px rgba(255,255,255,.2);
}

.book-stack {
  top: 520px;
  right: 16px;
  width: 250px;
  display: grid;
  gap: 7px;
  border: 0;
  box-shadow: none;
}

.book-stack span {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .82rem;
  text-align: left;
}

.info-sections {
  width: min(1160px, 94vw);
  margin: 30px auto 80px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  position: relative;
  z-index: 2;
}

.info-sections article {
  border: 1px solid var(--line);
  background: rgba(0,0,0,.22);
  padding: 22px;
  min-height: 170px;
}

body.light .info-sections article {
  background: rgba(255,255,255,.42);
}

.info-sections h2 {
  margin: 0 0 12px;
  font-family: var(--font-ui);
  text-transform: uppercase;
  font-size: 1rem;
}

.info-sections p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.logged-panel {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: min(680px, 94vw);
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(0,0,0,.84);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 50px var(--shadow);
}

body.light .logged-panel {
  background: rgba(255,255,255,.9);
}

.logged-panel span {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .78rem;
}

.logged-panel strong {
  font-family: var(--font-ui);
  text-transform: uppercase;
}

@keyframes logoReveal {
  0% {
    filter: grayscale(1) contrast(3) blur(5px);
    transform: scale(1.08);
    opacity: .2;
  }
  38% {
    filter: grayscale(1) contrast(2.2) blur(2px);
    opacity: .72;
  }
  72% {
    image-rendering: pixelated;
  }
  100% {
    filter: grayscale(1) contrast(1.28) blur(0);
    transform: scale(1);
    opacity: 1;
    image-rendering: auto;
  }
}

@keyframes textGlitchIn {
  0% { opacity: 0; transform: scale(1.08); filter: blur(6px); letter-spacing: .16em; }
  30% { opacity: .58; filter: blur(2px); }
  60% { transform: scale(1.01); filter: blur(0); letter-spacing: .05em; }
  100% { opacity: 1; transform: scale(1); filter: blur(0); letter-spacing: .04em; }
}

@keyframes pixelDust {
  0% { transform: translateX(-45px) scale(1.2); opacity: .9; filter: blur(2px); }
  70% { opacity: .48; }
  100% { transform: translateX(40px) scale(.86); opacity: 0; filter: blur(0); }
}

@media (max-width: 1180px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .investigation-board {
    display: none;
  }

  .hero {
    padding-top: 0;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding-top: 16px;
    flex-direction: column;
    align-items: stretch;
  }

  .case-label {
    align-self: flex-start;
  }

  .nav-actions {
    justify-content: flex-start;
    gap: 8px;
  }

  .nav-actions a span {
    display: none;
  }

  .logo-stage {
    min-height: 100px;
  }

  .intro-text {
    font-size: .95rem;
  }

  .auth-card {
    padding: 16px;
  }

  .form-actions,
  .logged-panel {
    grid-template-columns: 1fr;
  }

  .info-sections {
    grid-template-columns: 1fr;
  }

  .logged-panel {
    align-items: stretch;
    text-align: center;
  }
}