/* ========================================================
   CYBER::ADVENTURES — Design System
   Konsistent mit CYBER::TOWER (cyber-3d/css/style.css)
   ======================================================== */

:root {
  --bg:          #0a0a0f;
  --bg-panel:    rgba(0,15,30,0.97);
  --neon-blue:   #00d4ff;
  --neon-green:  #00ff88;
  --neon-pink:   #ff2d78;
  --neon-yellow: #ffe033;
  --neon-purple: #cc66ff;
  --neon-cyan:   #00fff0;
  --text:        #c0c8d8;
  --text-bright: #e8eaf6;
  --text-dim:    #556677;
  --font-head:   'Orbitron', sans-serif;
  --font-mono:   'Share Tech Mono', monospace;
  --font-body:   'Exo 2', 'Segoe UI', system-ui, sans-serif;
  --dialog-h:    200px;
  --inv-h:       72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  font-family: var(--font-body);
  color: var(--text);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
}

/* ---- Utilities ---- */
.hidden { display: none !important; }
.pink   { color: var(--neon-pink); }
.green  { color: var(--neon-green); }
.blue   { color: var(--neon-blue); }
.yellow { color: var(--neon-yellow); }
.dim    { opacity: 0.5; }

/* ======================================================
   TITLE SCREEN
   ====================================================== */
#title-screen {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 900;
}
#title-content {
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 1.2rem;
  max-width: 700px; padding: 2rem;
}
.title-logo {
  font-family: var(--font-head);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  color: var(--neon-blue);
  text-shadow: 0 0 20px rgba(0,212,255,0.6), 0 0 60px rgba(0,212,255,0.2);
  letter-spacing: 0.08em;
}
.title-sub {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--neon-pink);
  text-shadow: 0 0 12px rgba(255,45,120,0.5);
  letter-spacing: 0.2em;
}
.title-tagline {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  max-width: 480px;
  line-height: 1.6;
}
.title-chars {
  display: flex; align-items: flex-end; gap: 2rem; margin: 0.5rem 0;
}
.char-preview-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--neon-blue);
  text-align: center;
  margin-top: 0.4rem;
}
.char-preview-label.pink { color: var(--neon-pink); }

.big-btn {
  font-family: var(--font-head);
  font-size: 1rem;
  padding: 0.9rem 2.5rem;
  background: rgba(0,212,255,0.1);
  border: 2px solid var(--neon-blue);
  color: var(--neon-blue);
  cursor: pointer;
  letter-spacing: 0.12em;
  transition: background 0.2s, box-shadow 0.2s;
  animation: pulse 2s ease-in-out infinite;
}
.big-btn:hover {
  background: rgba(0,212,255,0.25);
  box-shadow: 0 0 20px rgba(0,212,255,0.4);
}
.title-credits { font-size: 0.75rem; color: var(--text-dim); }

/* ======================================================
   GAME LAYOUT
   ====================================================== */
#game {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
}

/* ---- Scene ---- */
#scene-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  /* bottom space for dialog + inventory */
  margin-bottom: calc(var(--dialog-h) + var(--inv-h));
}

/* ---- Chapter label ---- */
#chapter-label {
  position: absolute;
  top: 1rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--neon-blue);
  text-shadow: 0 0 8px rgba(0,212,255,0.4);
  pointer-events: none;
  z-index: 10;
}

/* ---- Hotspot tooltip ---- */
#hotspot-tooltip {
  position: fixed;
  background: rgba(0,15,30,0.9);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--neon-blue);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  pointer-events: none;
  z-index: 400;
  display: none;
}

/* ======================================================
   SCENE BACKGROUNDS
   ====================================================== */
.bg-kims-room {
  background:
    radial-gradient(ellipse at 70% 40%, rgba(0,50,80,0.6) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(0,30,10,0.4) 0%, transparent 50%),
    linear-gradient(160deg, #070710 0%, #0a0a1a 50%, #050510 100%);
}
.bg-stream-archive {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(0,60,20,0.5) 0%, transparent 60%),
    linear-gradient(180deg, #040f08 0%, #050f05 60%, #030b03 100%);
}
.bg-school-room {
  background:
    linear-gradient(180deg, #08080f 0%, #0a0a18 40%, #0d0d20 100%);
}
.bg-serverraum {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0,30,60,0.7) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(0,80,60,0.3) 0%, transparent 40%),
    linear-gradient(180deg, #040414 0%, #060612 100%);
}
.bg-pixel-drive {
  background:
    repeating-linear-gradient(90deg, transparent, transparent 30px, rgba(0,212,255,0.02) 30px, rgba(0,212,255,0.02) 31px),
    repeating-linear-gradient(0deg,  transparent, transparent 30px, rgba(0,212,255,0.02) 30px, rgba(0,212,255,0.02) 31px),
    linear-gradient(180deg, #040410 0%, #060612 100%);
}
.bg-polizei {
  background:
    radial-gradient(ellipse at 40% 60%, rgba(0,20,80,0.5) 0%, transparent 55%),
    linear-gradient(180deg, #050510 0%, #070718 100%);
}
.bg-ki-lab {
  background:
    radial-gradient(ellipse at 60% 40%, rgba(60,0,80,0.4) 0%, transparent 55%),
    linear-gradient(180deg, #0a0410 0%, #080310 100%);
}
.bg-byte-versteck {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(100,0,40,0.4) 0%, transparent 60%),
    linear-gradient(160deg, #100408 0%, #0d030a 100%);
}
.bg-finale {
  background:
    radial-gradient(ellipse at 50% 30%, rgba(0,80,80,0.5) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(80,0,80,0.3) 0%, transparent 45%),
    linear-gradient(180deg, #040414 0%, #060608 100%);
}

/* ======================================================
   SCENE ELEMENTS (CSS-drawn scenery)
   ====================================================== */

/* --- Generic scene object --- */
.scene-obj {
  position: absolute;
}

/* --- Floor / ground line --- */
.floor-line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
  box-shadow: 0 0 12px var(--neon-blue);
}

/* --- Monitor / Screen --- */
.monitor {
  position: absolute;
  background: rgba(0,4,12,0.95);
  border: 2px solid var(--neon-blue);
  box-shadow: 0 0 14px rgba(0,212,255,0.4), inset 0 0 20px rgba(0,50,80,0.5);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
  overflow: hidden;
}
.monitor.green {
  border-color: var(--neon-green);
  box-shadow: 0 0 14px rgba(0,255,136,0.4), inset 0 0 20px rgba(0,40,20,0.5);
}
.monitor.pink {
  border-color: var(--neon-pink);
  box-shadow: 0 0 14px rgba(255,45,120,0.4), inset 0 0 20px rgba(40,0,20,0.5);
}
.monitor-content {
  font-family: var(--font-mono);
  color: var(--neon-green);
  font-size: clamp(0.45rem, 1vw, 0.7rem);
  text-align: center;
  padding: 0.5rem;
  line-height: 1.5;
  word-break: break-all;
}
.monitor-scan::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,10,0.3) 3px, rgba(0,0,10,0.3) 4px);
  pointer-events: none;
}

/* --- Server rack --- */
.server-rack {
  position: absolute;
  background: #0d0d18;
  border: 1px solid #223;
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(0,212,255,0.2);
}
.server-rack .led-row {
  display: flex; gap: 3px; padding: 4px 8px;
}
.led { width: 6px; height: 6px; border-radius: 50%; }
.led.g { background: var(--neon-green); box-shadow: 0 0 4px var(--neon-green); animation: blink 1.5s infinite; }
.led.b { background: var(--neon-blue); box-shadow: 0 0 4px var(--neon-blue); }
.led.r { background: var(--neon-pink); box-shadow: 0 0 4px var(--neon-pink); animation: blink 0.5s infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.2;} }

/* --- Desk --- */
.desk {
  position: absolute;
  background: #18181f;
  border-top: 2px solid #334;
}

/* --- Chair (CSS-drawn) --- */
.chair {
  position: absolute;
  background: #1a1a22;
  border-radius: 4px 4px 0 0;
  border: 1px solid #334;
}

/* --- Neon sign --- */
.neon-sign {
  position: absolute;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink), 0 0 30px rgba(255,45,120,0.4);
  letter-spacing: 0.1em;
  pointer-events: none;
}
.neon-sign.blue {
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue), 0 0 30px rgba(0,212,255,0.4);
}
.neon-sign.green {
  color: var(--neon-green);
  text-shadow: 0 0 10px var(--neon-green), 0 0 30px rgba(0,255,136,0.4);
}

/* --- Window blinds / background buildings --- */
.city-bg {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background:
    repeating-linear-gradient(90deg, #0d0d18 0px, #0d0d18 40px, #0a0a14 40px, #0a0a14 80px);
  opacity: 0.5;
}

/* ======================================================
   CHARACTER PORTRAITS & CSS FIGURES
   ====================================================== */

/* Shared char body template */
.char-figure {
  position: absolute;
  display: flex; flex-direction: column; align-items: center;
}
.char-head {
  width: 36px; height: 36px;
  border-radius: 50%;
  border-width: 2px; border-style: solid;
  position: relative;
}
.char-body {
  width: 28px;
  border-width: 2px; border-style: solid;
  border-top: none;
  border-radius: 0 0 6px 6px;
}
.char-legs {
  display: flex; gap: 4px;
}
.char-leg {
  width: 10px; height: 25px;
  border-width: 2px; border-style: solid;
  border-top: none; border-radius: 0 0 4px 4px;
}

/* KIM — neon blue */
.char-kim .char-head { border-color: var(--neon-blue); background: rgba(0,50,80,0.8); box-shadow: 0 0 10px rgba(0,212,255,0.4); }
.char-kim .char-body { border-color: var(--neon-blue); background: rgba(0,40,70,0.6); height: 40px; }
.char-kim .char-leg  { border-color: var(--neon-blue); background: rgba(0,30,60,0.5); }

/* BYTE — neon pink */
.char-byte .char-head { border-color: var(--neon-pink); background: rgba(60,0,20,0.8); box-shadow: 0 0 10px rgba(255,45,120,0.5); }
.char-byte .char-body { border-color: var(--neon-pink); background: rgba(50,0,15,0.6); height: 40px; }
.char-byte .char-leg  { border-color: var(--neon-pink); background: rgba(40,0,10,0.5); }

/* JUSTUS — neon yellow */
.char-justus .char-head { border-color: var(--neon-yellow); background: rgba(50,40,0,0.8); box-shadow: 0 0 10px rgba(255,224,51,0.4); }
.char-justus .char-body { border-color: var(--neon-yellow); background: rgba(40,30,0,0.6); height: 40px; }
.char-justus .char-leg  { border-color: var(--neon-yellow); background: rgba(30,20,0,0.5); }

/* DR. WOBBLE — neon purple */
.char-brandt .char-head { border-color: var(--neon-purple); background: rgba(40,0,60,0.8); box-shadow: 0 0 10px rgba(204,102,255,0.4); }
.char-brandt .char-body { border-color: var(--neon-purple); background: rgba(30,0,50,0.6); height: 40px; }
.char-brandt .char-leg  { border-color: var(--neon-purple); background: rgba(20,0,40,0.5); }

/* ARIA — neon cyan */
.char-aria .char-head { border-color: var(--neon-cyan); background: rgba(0,40,50,0.8); box-shadow: 0 0 10px rgba(0,255,240,0.4); }
.char-aria .char-body { border-color: var(--neon-cyan); background: rgba(0,30,40,0.6); height: 40px; }
.char-aria .char-leg  { border-color: var(--neon-cyan); background: rgba(0,20,30,0.5); }

/* PIXEL_PETE — neon green */
.char-pete .char-head { border-color: var(--neon-green); background: rgba(0,40,15,0.8); box-shadow: 0 0 10px rgba(0,255,136,0.4); }
.char-pete .char-body { border-color: var(--neon-green); background: rgba(0,30,10,0.6); height: 40px; }
.char-pete .char-leg  { border-color: var(--neon-green); background: rgba(0,20,8,0.5); }

/* Preview (title screen) */
/* Title screen stick figures */
.title-char {
  display: flex; flex-direction: column; align-items: center;
  gap: 0;
}
.tc-head {
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(0,20,40,0.85);
}
.tc-head.kim  { border: 2px solid var(--neon-blue);  box-shadow: 0 0 14px rgba(0,212,255,0.55); }
.tc-head.byte { border: 2px solid var(--neon-pink);  box-shadow: 0 0 14px rgba(255,45,120,0.55); }
.tc-body {
  width: 30px; height: 44px;
  border-left-width: 2px; border-right-width: 2px; border-bottom-width: 2px;
  border-top-width: 0;
  border-style: solid;
  border-radius: 0 0 6px 6px;
  background: rgba(0,20,40,0.6);
}
.tc-body.kim  { border-color: var(--neon-blue); }
.tc-body.byte { border-color: var(--neon-pink); }
.tc-legs {
  display: flex; gap: 4px;
}
.tc-leg {
  width: 11px; height: 28px;
  border-left-width: 2px; border-right-width: 2px; border-bottom-width: 2px;
  border-top-width: 0;
  border-style: solid;
  border-radius: 0 0 4px 4px;
  background: rgba(0,20,40,0.5);
}
.tc-leg.kim  { border-color: var(--neon-blue); }
.tc-leg.byte { border-color: var(--neon-pink); }

/* ======================================================
   DIALOG PANEL (Monkey Island style)
   ====================================================== */
#dialog-panel {
  position: fixed;
  bottom: var(--inv-h);
  left: 0; right: 0;
  height: var(--dialog-h);
  background: var(--bg-panel);
  border-top: 1px solid rgba(0,212,255,0.2);
  display: flex;
  z-index: 200;
}

#dialog-portrait {
  width: 160px;
  flex-shrink: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
  padding-bottom: 0.5rem;
  border-right: 1px solid rgba(0,212,255,0.15);
  gap: 0.3rem;
}

#portrait-char {
  width: 80px; height: 120px;
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
}

#portrait-name {
  font-family: var(--font-head);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--neon-blue);
  text-shadow: 0 0 8px rgba(0,212,255,0.4);
}

#dialog-body {
  flex: 1;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 1rem 1.5rem;
  overflow: hidden;
}

#dialog-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text-bright);
  line-height: 1.75;
  flex: 1;
  overflow: hidden;
}

#dialog-choices {
  display: flex; flex-direction: column; gap: 0.4rem;
  margin-top: 0.6rem;
}
.choice-btn {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  background: none;
  border: none;
  color: var(--neon-green);
  text-align: left;
  cursor: pointer;
  padding: 0.2rem 0;
  transition: color 0.15s;
}
.choice-btn:hover {
  color: var(--neon-blue);
  text-shadow: 0 0 8px rgba(0,212,255,0.5);
}

#dialog-continue {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #000;
  background: var(--neon-green);
  border: none;
  padding: 0.45rem 1.4rem;
  cursor: pointer;
  align-self: flex-end;
  border-radius: 3px;
  box-shadow: 0 0 14px rgba(0,255,136,0.4);
  animation: continueGlow 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
#dialog-continue:hover {
  background: #33ffaa;
  box-shadow: 0 0 22px rgba(0,255,136,0.7);
}
@keyframes continueGlow {
  0%,100% { box-shadow: 0 0 10px rgba(0,255,136,0.35); }
  50%      { box-shadow: 0 0 22px rgba(0,255,136,0.75); }
}

/* ======================================================
   BADGE BAR (Abschluss-Abzeichen)
   ====================================================== */
#inventory-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--inv-h);
  background: rgba(0,4,14,0.98);
  border-top: 1px solid rgba(0,212,255,0.12);
  display: flex; align-items: center;
  gap: 0.6rem;
  padding: 0 1rem;
  z-index: 300;
}

#inventory-label {
  font-family: var(--font-head);
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  line-height: 1.5;
  text-align: center;
  flex-shrink: 0;
  min-width: 54px;
}
.badge-counter {
  color: var(--neon-green);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 0;
}

#inventory-slots {
  display: flex;
  gap: 0.45rem;
  flex: 1;
  align-items: center;
  overflow-x: auto;
}

/* ---- single badge slot ---- */
.badge-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 52px;
  height: 56px;
  border-radius: 6px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: default;
  user-select: none;
}

/* -- LOCKED state -- */
.badge-slot.locked {
  background: rgba(0,10,25,0.7);
  border: 1px dashed rgba(255,255,255,0.08);
}
.badge-slot.locked .badge-icon {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.15);
  font-family: var(--font-mono);
  font-style: normal;
}
.badge-slot.locked .badge-short {
  color: rgba(255,255,255,0.1);
}

/* -- UNLOCKED state -- */
.badge-slot.unlocked {
  background: rgba(0,10,30,0.85);
  border: 1px solid var(--badge-color, #00d4ff);
  box-shadow: 0 0 10px -2px var(--badge-color, #00d4ff);
  cursor: pointer;
}
.badge-slot.unlocked:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 0 18px -2px var(--badge-color, #00d4ff);
}
.badge-slot.unlocked .badge-icon {
  font-size: 1.4rem;
  filter: drop-shadow(0 0 4px var(--badge-color, #00d4ff));
}
.badge-slot.unlocked .badge-short {
  color: var(--badge-color, #00d4ff);
}

.badge-icon {
  line-height: 1;
  transition: filter 0.2s;
}
.badge-short {
  font-family: var(--font-head);
  font-size: 0.48rem;
  letter-spacing: 0.05em;
  text-align: center;
  opacity: 0.7;
}

/* -- earn animation -- */
@keyframes badgeEarn {
  0%   { transform: scale(0.4);  opacity: 0; }
  50%  { transform: scale(1.35); opacity: 1; }
  70%  { transform: scale(0.9); }
  85%  { transform: scale(1.15); }
  100% { transform: scale(1);    opacity: 1; }
}
.badge-slot.badge-earn {
  animation: badgeEarn 0.65s cubic-bezier(0.22,1,0.36,1) forwards;
}

/* ---- badge tooltip ---- */
#inventory-tooltip {
  position: fixed;
  bottom: calc(var(--inv-h) + 10px);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-blue);
  background: rgba(0,5,18,0.97);
  border: 1px solid rgba(0,212,255,0.22);
  padding: 0.35rem 0.85rem;
  pointer-events: none;
  display: none;
  flex-direction: column;
  gap: 0.15rem;
  z-index: 400;
  max-width: 260px;
  border-radius: 4px;
}
.badge-tt-name {
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.badge-tt-desc {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.55);
  font-size: 0.78rem;
}
.badge-tt-locked {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.25);
  font-style: italic;
  font-size: 0.78rem;
}

/* ======================================================
   PUZZLE OVERLAY
   ====================================================== */
#puzzle-overlay {
  position: fixed; inset: 0;
  background: rgba(5,5,10,0.93);
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
}

#puzzle-box {
  width: 96vw; max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-panel);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 4px;
  padding: 2rem 2.5rem;
  position: relative;
}

#puzzle-close {
  position: absolute; top: 1rem; right: 1rem;
  font-family: var(--font-head);
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  background: rgba(255,45,120,0.1);
  border: 1px solid var(--neon-pink);
  color: var(--neon-pink);
  cursor: pointer;
}
#puzzle-close:hover { background: rgba(255,45,120,0.2); }

#puzzle-content h2 {
  font-family: var(--font-head);
  color: var(--neon-blue);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
#puzzle-content p {
  line-height: 1.7;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  color: var(--text);
}
#puzzle-content .hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  border-left: 2px solid rgba(0,212,255,0.3);
  padding-left: 0.8rem;
  margin: 0.8rem 0;
}

/* Puzzle: generic input */
.puzzle-input {
  font-family: var(--font-mono);
  background: rgba(0,0,0,0.6);
  color: var(--neon-green);
  border: 1px solid rgba(0,255,136,0.3);
  padding: 0.5rem 0.8rem;
  font-size: 1rem;
  width: 100%;
  margin: 0.5rem 0;
}
.puzzle-input:focus { outline: none; border-color: var(--neon-green); box-shadow: 0 0 8px rgba(0,255,136,0.2); }

.puzzle-btn {
  font-family: var(--font-head);
  padding: 0.5rem 1.2rem;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--neon-blue);
  color: var(--neon-blue);
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: background 0.2s;
  margin: 0.3rem 0.2rem;
}
.puzzle-btn:hover { background: rgba(0,212,255,0.25); }
.puzzle-btn.success { border-color: var(--neon-green); color: var(--neon-green); background: rgba(0,255,136,0.1); }
.puzzle-btn.danger  { border-color: var(--neon-pink);  color: var(--neon-pink);  background: rgba(255,45,120,0.1); }

.puzzle-feedback {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-top: 0.6rem;
  padding: 0.5rem 0.8rem;
  border-radius: 2px;
  min-height: 2rem;
}
.puzzle-feedback.ok  { color: var(--neon-green); background: rgba(0,255,136,0.08); border-left: 3px solid var(--neon-green); }
.puzzle-feedback.err { color: var(--neon-pink);  background: rgba(255,45,120,0.08);  border-left: 3px solid var(--neon-pink); }

/* Puzzle: bit tape */
.bit-tape {
  display: flex; gap: 4px; flex-wrap: wrap; margin: 0.8rem 0;
}
.bit-cell {
  width: 44px; height: 44px;
  border: 2px solid rgba(0,212,255,0.3);
  background: rgba(0,10,25,0.8);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.1s;
  border-radius: 2px;
}
.bit-cell.on {
  background: rgba(0,212,255,0.15);
  color: var(--neon-blue);
  border-color: var(--neon-blue);
  box-shadow: 0 0 8px rgba(0,212,255,0.3);
}

/* Puzzle: drag-and-drop layers */
.layer-list {
  display: flex; flex-direction: column; gap: 0.5rem;
  margin: 0.8rem 0;
}
.layer-item {
  padding: 0.6rem 1rem;
  background: rgba(0,25,40,0.8);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 3px;
  cursor: grab;
  font-size: 0.9rem;
  display: flex; align-items: center; gap: 0.8rem;
  transition: background 0.15s;
}
.layer-item:hover { background: rgba(0,40,70,0.8); }
.layer-item.drag-over { border-color: var(--neon-blue); background: rgba(0,50,80,0.9); }
.layer-item .layer-icon { font-size: 1.1rem; }

/* Puzzle: pixel grid */
.pixel-grid {
  display: grid;
  gap: 2px;
  margin: 0.8rem auto;
  width: fit-content;
}
.pixel-cell {
  width: 30px; height: 30px;
  background: rgba(0,10,20,0.9);
  border: 1px solid rgba(0,212,255,0.1);
  cursor: pointer;
  transition: background 0.1s;
  border-radius: 1px;
}
.pixel-cell.on {
  background: var(--neon-blue);
  box-shadow: 0 0 6px rgba(0,212,255,0.5);
}
.pixel-cell.target-hint {
  background: rgba(0,212,255,0.1);
}

/* Puzzle: caesar wheel */
.caesar-display {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  color: var(--neon-pink);
  text-shadow: 0 0 10px rgba(255,45,120,0.5);
  margin: 0.6rem 0;
  word-break: break-all;
}
.decoded-display {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  letter-spacing: 0.15em;
  color: var(--neon-green);
  margin: 0.3rem 0;
}
.rot-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.5rem 0; }

/* Puzzle: password meter */
.pw-meter {
  height: 10px;
  border-radius: 5px;
  background: rgba(0,212,255,0.1);
  margin: 0.5rem 0;
  overflow: hidden;
}
.pw-meter-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.3s, background 0.3s;
}

/* Puzzle: scenario cards */
.scenario-card {
  background: rgba(0,20,35,0.8);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  margin: 0.5rem 0;
}
.scenario-card p { margin-bottom: 0.5rem; }
.scenario-options { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.scenario-option-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  background: rgba(0,212,255,0.05);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.scenario-option-btn:hover  { background: rgba(0,212,255,0.15); border-color: var(--neon-blue); }
.scenario-option-btn.correct { background: rgba(0,255,136,0.15); border-color: var(--neon-green); color: var(--neon-green); }
.scenario-option-btn.wrong   { background: rgba(255,45,120,0.12); border-color: var(--neon-pink);  color: var(--neon-pink); }

/* Turing machine display */
.turing-tape-display {
  display: flex; gap: 3px; margin: 0.5rem 0; overflow-x: auto; padding: 0.3rem 0.3rem;
  flex-wrap: nowrap;
}
.turing-cell {
  min-width: 36px; height: 36px;
  border: 1px solid rgba(0,212,255,0.2);
  background: rgba(0,10,25,0.8);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.turing-cell.head {
  border-color: var(--neon-green);
  background: rgba(0,50,20,0.6);
  color: var(--neon-green);
  box-shadow: 0 0 8px rgba(0,255,136,0.3);
}

/* ======================================================
   NOTIFICATION
   ====================================================== */
#notification {
  position: fixed;
  top: 4rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-head);
  font-size: 0.9rem;
  color: var(--neon-blue);
  text-shadow: 0 0 15px rgba(0,212,255,0.6);
  max-width: 600px;
  padding: 0.8rem 2rem;
  background: rgba(0,20,40,0.85);
  border: 1px solid rgba(0,212,255,0.25);
  z-index: 450;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  text-align: center;
  letter-spacing: 0.1em;
}
#notification.visible { opacity: 1; }

/* ======================================================
   TRANSITION OVERLAY
   ====================================================== */
#transition-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
#transition-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ======================================================
   HOTSPOT
   ====================================================== */
.hotspot {
  position: absolute;
  cursor: pointer;
  z-index: 50;
}
.hotspot:hover .hs-glow {
  opacity: 1;
}
.hs-glow {
  position: absolute; inset: -4px;
  border: 1px solid rgba(0,212,255,0.5);
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(0,212,255,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.hs-label {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,5,15,0.9);
  border: 1px solid rgba(0,212,255,0.5);
  color: var(--neon-blue);
  font-family: var(--font-head);
  font-size: 0.46rem;
  padding: 3px 9px;
  white-space: nowrap;
  border-radius: 20px;
  pointer-events: none;
  letter-spacing: 0.07em;
  animation: pulse 2.2s ease-in-out infinite;
  z-index: 60;
}

/* ======================================================
   ANIMATIONS
   ====================================================== */
@keyframes pulse {
  0%,100% { opacity: 0.5; }
  50%       { opacity: 1; }
}
@keyframes flicker {
  0%,19%,21%,23%,25%,54%,56%,100% { opacity: 1; }
  20%,24%,55% { opacity: 0.4; }
}
@keyframes float-up {
  0%   { transform: translateY(0);   opacity: 1; }
  100% { transform: translateY(-40px); opacity: 0; }
}
@keyframes scan-line {
  0%   { top: -5%; }
  100% { top: 105%; }
}
@keyframes starTwinkle {
  0%   { opacity: 0.3; transform: scale(0.8); }
  100% { opacity: 1;   transform: scale(1.3); }
}

.anim-pulse   { animation: pulse 2s ease-in-out infinite; }
.anim-flicker { animation: flicker 4s infinite; }

/* Scanline overlay for monitors */
.scanlines::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.25) 2px, rgba(0,0,0,0.25) 4px
  );
  pointer-events: none;
  border-radius: inherit;
}

/* ======================================================
   BYTE SPEECH STYLE
   ====================================================== */
.byte-speech {
  color: var(--neon-pink);
}

/* ======================================================
   SCROLLBAR STYLE
   ====================================================== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.3); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.5); }