:root {
  --bg: #0a0014;
  --neon-g: #39ff14;
  --neon-p: #ff10f0;
  --neon-y: #fff200;
  --neon-c: #00fff0;
  --red: #ff003c;
  --ink: #050010;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; height: 100%; overflow: hidden;
  background: var(--bg); color: #fff;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 800; letter-spacing: -0.005em;
  user-select: none;
}
body {
  background:
    radial-gradient(800px 500px at 20% 10%, rgba(255,16,240,0.16), transparent 60%),
    radial-gradient(700px 500px at 80% 90%, rgba(57,255,20,0.14), transparent 60%),
    var(--bg);
}

/* HINT INTRO */
.hint {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  background: rgba(10,0,20,0.95); backdrop-filter: blur(12px);
  padding: 24px;
}
.hint.gone { display: none; }
.hint-card {
  text-align: center; max-width: 360px; padding: 36px 28px;
  background: linear-gradient(135deg, #1a002a, #0a0014);
  border: 3px solid var(--neon-p); border-radius: 24px;
  box-shadow: 0 0 60px rgba(255,16,240,0.4), 0 20px 50px rgba(0,0,0,0.7);
}
.hint-emoji { font-size: 64px; margin-bottom: 8px; animation: wob 1.4s infinite ease-in-out; }
@keyframes wob { 0%, 100% { transform: rotate(-8deg); } 50% { transform: rotate(8deg); } }
.hint-card h1 {
  font-family: 'Bungee', sans-serif; font-size: 48px; margin: 0 0 12px;
  background: linear-gradient(90deg, var(--neon-p), var(--neon-c), var(--neon-y));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}
.hint-card p { color: #c0b8d0; font-weight: 600; line-height: 1.5; margin: 0 0 24px; font-size: 15px; }
#startBtn {
  display: block; width: 100%; padding: 18px;
  background: linear-gradient(90deg, var(--neon-g), var(--neon-c));
  color: var(--ink); border: none; border-radius: 999px;
  font-family: 'Bungee', sans-serif; font-size: 22px;
  cursor: pointer; letter-spacing: 0.04em;
  box-shadow: 0 0 30px rgba(57,255,20,0.4);
}
#startBtn:active { transform: scale(0.97); }
.hint-other { display: block; margin-top: 16px; color: rgba(255,255,255,0.4);
  font-weight: 500; font-size: 13px; text-decoration: underline; }

/* FEED */
.hidden { display: none !important; }
.feed { position: relative; height: 100vh; overflow: hidden; }

.progress-bars {
  position: absolute; top: 12px; left: 12px; right: 12px; z-index: 10;
  display: flex; gap: 4px; pointer-events: none;
}
.progress-bars > div {
  flex: 1; height: 3px; background: rgba(255,255,255,0.18); border-radius: 2px; overflow: hidden;
}
.progress-bars > div .fill {
  height: 100%; width: 0; background: #fff; transition: none;
}
.progress-bars > div.done .fill { width: 100%; background: rgba(255,255,255,0.5); }
.progress-bars > div.active .fill { background: #fff; }

.top-ui {
  position: absolute; top: 26px; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 18px;
}
.back {
  color: rgba(255,255,255,0.7); text-decoration: none;
  background: rgba(255,255,255,0.08); width: 38px; height: 38px;
  border-radius: 50%; display: grid; place-items: center; font-size: 18px;
  backdrop-filter: blur(8px);
}
.meter {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  background: rgba(0,0,0,0.5); padding: 8px 14px; border-radius: 999px;
  letter-spacing: 0.08em; backdrop-filter: blur(8px);
}
.meter span { color: rgba(255,255,255,0.5); }
.meter b { color: var(--neon-g); margin-left: 6px; font-size: 12px; }
.meter b.mid { color: var(--neon-y); }
.meter b.hot { color: var(--red); }
.mute {
  background: rgba(255,255,255,0.08); border: none; color: #fff;
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  font-size: 18px; backdrop-filter: blur(8px);
}

.cards {
  position: absolute; inset: 0; overflow: hidden;
}
.card {
  position: absolute; inset: 0; padding: 70px 22px 130px;
  display: flex; flex-direction: column; justify-content: center;
  text-align: center;
  background: var(--card-bg, var(--bg));
  transition: transform 0.4s cubic-bezier(.2, .85, .35, 1), opacity 0.35s;
  opacity: 0;
  transform: translateY(100%);
  overflow-y: auto;
}
.card.current { opacity: 1; transform: translateY(0); z-index: 2; }
.card.prev { opacity: 0; transform: translateY(-100%); z-index: 1; }
.card.next { opacity: 0; transform: translateY(100%); z-index: 1; }

/* gradient bg per severity */
.card[data-sev="5"] {
  --card-bg:
    radial-gradient(900px 600px at 50% 0%, rgba(255,0,60,0.3), transparent 60%),
    radial-gradient(700px 500px at 50% 100%, rgba(255,16,240,0.18), transparent 60%),
    #0a0014;
}
.card[data-sev="4"] {
  --card-bg:
    radial-gradient(900px 600px at 50% 0%, rgba(255,242,0,0.18), transparent 60%),
    radial-gradient(700px 500px at 50% 100%, rgba(255,16,240,0.18), transparent 60%),
    #0a0014;
}
.card[data-sev="3"] {
  --card-bg:
    radial-gradient(900px 600px at 50% 0%, rgba(0,255,240,0.14), transparent 60%),
    #0a0014;
}

.tag {
  display: inline-flex; align-items: center; gap: 6px; align-self: center;
  font-family: 'Bungee', sans-serif; font-size: 13px; letter-spacing: 0.1em;
  padding: 6px 14px; border-radius: 999px;
  background: var(--red); color: #fff; margin-bottom: 14px;
  animation: tagShake 0.4s ease-out;
}
.tag.win { background: var(--neon-g); color: var(--ink); }
.tag.warn { background: var(--neon-y); color: var(--ink); }
@keyframes tagShake {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}

.hero-emoji {
  font-size: clamp(96px, 22vw, 180px); line-height: 1; margin-bottom: 12px;
  filter: drop-shadow(0 0 30px rgba(255,255,255,0.2));
  animation: bounce 1s ease-out;
}
@keyframes bounce {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.headline {
  font-family: 'Bungee', sans-serif;
  font-size: clamp(28px, 7vw, 44px); line-height: 1.05;
  margin: 0 0 14px; letter-spacing: 0.005em;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.brainrot {
  font-family: 'Inter', sans-serif; font-weight: 900;
  font-size: clamp(18px, 4.5vw, 24px); line-height: 1.35;
  color: var(--neon-y); margin: 0 0 20px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}
.brainrot .emph { color: var(--neon-p); }
.brainrot .pos { color: var(--neon-g); }
.brainrot .neg { color: var(--red); }

.assets {
  display: flex; flex-direction: column; gap: 6px; max-width: 420px;
  margin: 0 auto 20px; width: 100%;
}
.asset-line {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px;
  align-items: center; background: rgba(0,0,0,0.5);
  padding: 10px 14px; border-radius: 12px; backdrop-filter: blur(6px);
  font-size: 15px; text-align: left;
}
.asset-line .emoji { font-size: 22px; }
.asset-line .name { color: #fff; font-weight: 700; font-size: 14px; line-height: 1.2; }
.asset-line .tag-rot { font-weight: 800; font-size: 12px; opacity: 0.85; margin-top: 2px; }
.asset-line .move { font-family: 'JetBrains Mono', monospace; font-weight: 800; font-size: 17px; }
.asset-line .move.up { color: var(--neon-g); }
.asset-line .move.down { color: var(--red); }

.tldr {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  max-width: 420px; margin: 0 auto;
}
.tldr-chip {
  padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.08); backdrop-filter: blur(6px);
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.06em; font-weight: 700;
}
.tldr-chip b { margin-left: 6px; font-weight: 800; }
.tldr-chip.w b { color: var(--neon-g); }
.tldr-chip.l b { color: var(--red); }

/* BOTTOM UI */
.bottom-ui {
  position: absolute; bottom: 78px; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: center; align-items: center; gap: 18px;
  pointer-events: none;
}
.nav-btn {
  pointer-events: auto;
  background: rgba(0,0,0,0.6); color: #fff; border: 1px solid rgba(255,255,255,0.15);
  width: 52px; height: 52px; border-radius: 50%; font-size: 18px;
  cursor: pointer; backdrop-filter: blur(8px);
  transition: 0.15s;
}
.nav-btn:active { transform: scale(0.92); background: rgba(255,255,255,0.15); }
.pause {
  pointer-events: auto;
  background: var(--neon-p); color: var(--ink); border: none;
  width: 62px; height: 62px; border-radius: 50%; font-size: 22px;
  cursor: pointer; box-shadow: 0 0 24px rgba(255,16,240,0.5);
}

.bottom-cta {
  position: absolute; bottom: 14px; left: 12px; right: 12px; z-index: 10;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,16,240,0.4); border-radius: 14px;
  padding: 10px 14px; display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; color: #fff;
}
.bc-emoji { font-size: 18px; }
.bottom-cta > span { flex: 1; }
.bc-btn {
  background: var(--neon-p); color: var(--ink); border: none;
  padding: 7px 14px; border-radius: 999px; font-weight: 800; font-size: 12px;
  cursor: pointer; letter-spacing: 0.04em;
  font-family: 'Bungee', sans-serif;
}

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px);
  display: grid; place-items: center; z-index: 200; padding: 20px;
}
.modal {
  background: linear-gradient(135deg, #1a002a, #050010);
  border: 3px solid var(--neon-p); border-radius: 24px;
  padding: 32px 24px 20px; max-width: 380px; width: 100%; position: relative;
  text-align: center;
  box-shadow: 0 0 60px rgba(255,16,240,0.4);
}
.modal-x { position: absolute; top: 10px; right: 14px; background: none; border: none;
  color: #fff; font-size: 26px; cursor: pointer; opacity: 0.6; }
.m-emoji { font-size: 56px; margin-bottom: 6px; animation: wob 1.6s infinite ease-in-out; }
.modal h2 { font-family: 'Bungee', sans-serif; font-size: 26px; margin: 0 0 10px;
  background: linear-gradient(90deg, var(--neon-p), var(--neon-y));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.modal p { color: #c0b8d0; font-size: 14px; margin: 0 0 18px; line-height: 1.5; }
#subForm { display: flex; flex-direction: column; gap: 10px; }
#subForm input {
  padding: 14px; background: rgba(0,0,0,0.5); border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px; color: #fff; font: inherit; font-size: 15px; font-weight: 600;
  text-align: center;
}
#subForm input:focus { outline: none; border-color: var(--neon-p); }
#subForm button {
  padding: 14px; background: linear-gradient(90deg, var(--neon-g), var(--neon-c));
  color: var(--ink); border: none; border-radius: 12px;
  font-family: 'Bungee', sans-serif; font-size: 16px; cursor: pointer;
  letter-spacing: 0.04em;
}
.modal-msg { margin-top: 10px; font-size: 13px; color: var(--neon-g); min-height: 18px; }
.modal-msg.err { color: var(--red); }
.modal-skip { background: none; border: none; color: rgba(255,255,255,0.4);
  cursor: pointer; font-size: 12px; margin-top: 14px; text-decoration: underline; }