/* ============================================================
   The Whacky Wednesday Virus - mobile-first cyber-terminal UI
   ============================================================ */

:root {
  /* palette */
  --bg: #05060a;
  --panel: #0d0f17;
  --panel-edge: #1c2030;
  --text: #c9d4e5;
  --muted: #6b7689;
  --neon-lime: #c6ff00;
  --neon-green: #39ff7a;
  --neon-cyan: #22d3ee;
  --neon-magenta: #c026ff;
  --neon-red: #ff3b54;
  --neon-amber: #ffb020;

  /* design tokens */
  --tap: 48px;            /* min touch target */
  --gap: 8px;
  --radius: 2px;
  --hud-h: 84px;
  --font-ui: "Press Start 2P", monospace;
  --font-mono: "VT323", "IBM Plex Mono", monospace;

  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 18px;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  min-height: 100dvh;
  overscroll-behavior: none;
}

/* game UI: no text selection, no double-tap zoom */
#app, .hud, button, .tag, .node, .cell, .glyph-btn, .token, .frag {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

/* ---------- scanline overlay ---------- */
#scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.35) 3px,
    rgba(0,0,0,0) 4px
  );
  opacity: 0.06;
  mix-blend-mode: overlay;
}

/* ---------- app shell ---------- */
#app {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: calc(var(--safe-t)) calc(12px + var(--safe-r))
           calc(12px + var(--safe-b)) calc(12px + var(--safe-l));
  display: flex;
  flex-direction: column;
}

.screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  gap: 14px;
  padding-top: 12px;
}

/* ---------- typography ---------- */
h1, h2, h3, .ui {
  font-family: var(--font-ui);
  line-height: 1.5;
  letter-spacing: 0.5px;
}

.title-block {
  text-align: center;
  margin: 8px 0 4px;
}
.title-block .t-line {
  font-family: var(--font-ui);
  color: var(--neon-lime);
  text-shadow: 0 0 12px rgba(198,255,0,0.55);
  font-size: clamp(16px, 8vw, 30px);
  line-height: 1.7;
  word-break: break-word;
}
.title-block .t-sub {
  margin-top: 10px;
  color: var(--neon-magenta);
  font-family: var(--font-ui);
  font-size: clamp(8px, 3vw, 12px);
  text-shadow: 0 0 8px rgba(192,38,255,0.6);
}

.narrative {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.35;
  text-align: center;
  padding: 0 4px;
}

.terminal-text { font-size: 20px; line-height: 1.3; }
.muted { color: var(--muted); }
.lime { color: var(--neon-lime); }
.cyan { color: var(--neon-cyan); }
.amber { color: var(--neon-amber); }
.red { color: var(--neon-red); }
.green { color: var(--neon-green); }
.center { text-align: center; }

/* ---------- buttons ---------- */
button {
  font-family: var(--font-ui);
  cursor: pointer;
  background: var(--panel);
  color: var(--text);
  border: 2px solid var(--panel-edge);
  border-radius: var(--radius);
  min-height: var(--tap);
  padding: 12px 16px;
  font-size: 11px;
  line-height: 1.5;
  transition: transform 0.05s ease, box-shadow 0.12s ease;
}
button:active { transform: scale(0.97); }

.btn-primary {
  background: var(--neon-lime);
  color: #05060a;
  border-color: var(--neon-lime);
  box-shadow: 0 0 14px rgba(198,255,0,0.4), 4px 4px 0 #2a3a00;
  font-size: 13px;
  padding: 16px;
}
.btn-primary:active { box-shadow: 0 0 8px rgba(198,255,0,0.3), 2px 2px 0 #2a3a00; }

.btn-ghost {
  background: transparent;
  border-color: var(--panel-edge);
  color: var(--muted);
  font-size: 10px;
}
.btn-cyan {
  background: transparent;
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(34,211,238,0.25);
}

.btn-row {
  display: flex;
  gap: var(--gap);
  flex-wrap: wrap;
}
.btn-row button { flex: 1; min-width: 120px; }

/* spacer pushes thumb controls to lower 60% */
.spacer { flex: 1; min-height: 8px; }
.actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

/* ---------- panels ---------- */
.panel {
  background: var(--panel);
  border: 2px solid var(--panel-edge);
  border-left: 3px solid var(--neon-cyan);
  border-radius: var(--radius);
  padding: 14px;
  position: relative;
}
.panel-tag {
  font-family: var(--font-ui);
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1px;
}
.status-dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--muted);
  margin-right: 6px;
  vertical-align: middle;
  box-shadow: 0 0 6px currentColor;
}
.status-dot.locked   { background: var(--neon-red); }
.status-dot.unlocked { background: var(--neon-amber); }
.status-dot.cleared  { background: var(--neon-green); }

/* ---------- home: level map ---------- */
.level-map {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.level-panel {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  width: 100%;
  min-height: 68px;
}
.level-panel .lp-num {
  font-family: var(--font-ui);
  font-size: 18px;
  color: var(--neon-cyan);
  min-width: 34px;
  text-align: center;
}
.level-panel .lp-body { flex: 1; display: flex; flex-direction: column; }
.level-panel .lp-name {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--text);
}
.level-panel .lp-theme {
  font-size: 17px;
  color: var(--muted);
  margin-top: 3px;
}
.level-panel .lp-state {
  font-family: var(--font-ui);
  font-size: 8px;
}

.level-panel.is-locked   { border-left-color: var(--neon-red); opacity: 0.6; }
.level-panel.is-locked   .lp-num { color: var(--muted); }
.level-panel.is-unlocked { border-left-color: var(--neon-amber); }
.level-panel.is-unlocked { box-shadow: 0 0 10px rgba(255,176,32,0.15); }
.level-panel.is-cleared  { border-left-color: var(--neon-green); }
.level-panel.is-cleared  .lp-name { color: var(--neon-green); }
.level-panel:disabled    { cursor: not-allowed; }

/* ---------- HUD ---------- */
.hud {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--bg) 70%, rgba(5,6,10,0.0));
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 10px 10px;
  border-bottom: 2px solid var(--panel-edge);
}
.hud-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.hud-codename {
  font-family: var(--font-ui);
  font-size: 11px;
  color: var(--neon-magenta);
  text-shadow: 0 0 8px rgba(192,38,255,0.5);
}
.hud-objective {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.25;
}
.hud-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 18px;
}
.hud-stat .k { color: var(--muted); font-size: 14px; }
.hud-stat .v { color: var(--neon-cyan); }
.hud-timer.low .v { color: var(--neon-red); }
.strike-dots { letter-spacing: 2px; }
.btn-abort {
  font-size: 9px;
  padding: 10px 12px;
  min-height: 40px;
  border-color: var(--neon-red);
  color: var(--neon-red);
  background: transparent;
}

/* ---------- level container ---------- */
.level-screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100dvh;
}
.level-stage {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 10px;
  gap: 10px;
  min-height: 0;
}

/* in-place fail / win sub-panel */
.overlay-panel {
  position: absolute;
  inset: 0;
  background: rgba(5,6,10,0.94);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  padding: 24px;
  z-index: 60;
}
.overlay-panel h2 {
  font-size: clamp(13px, 5vw, 18px);
}
.overlay-panel .big-status { font-size: clamp(15px, 6vw, 22px); }

/* ============================================================
   LEVEL 1 - TENDANI : floating tags
   ============================================================ */
.tag-field {
  position: relative;
  flex: 1;
  overflow: hidden;
  border: 2px solid var(--panel-edge);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 0%, rgba(34,211,238,0.05), transparent 60%),
    var(--panel);
}
.tag {
  position: absolute;
  top: 0; left: 0;
  will-change: transform;
  min-height: 46px;
  display: flex;
  align-items: center;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text);
  background: #11141f;
  border: 2px solid var(--panel-edge);
  border-radius: var(--radius);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.6);
  white-space: nowrap;
}
.tag.hit-correct {
  color: #05060a;
  background: var(--neon-green);
  border-color: var(--neon-green);
  box-shadow: 0 0 18px rgba(57,255,122,0.8);
  animation: pop-out 0.28s ease forwards;
}
.tag.hit-wrong {
  color: #fff;
  background: var(--neon-red);
  border-color: var(--neon-red);
  animation: wrong-flash 0.3s ease;
}
@keyframes pop-out {
  0% { transform: var(--tf) scale(1); }
  40% { transform: var(--tf) scale(1.25); }
  100% { transform: var(--tf) scale(0); opacity: 0; }
}
@keyframes wrong-flash {
  0%,100% { filter: brightness(1); }
  50% { filter: brightness(1.8); }
}

/* ============================================================
   LEVEL 2 - SECHABA : simon grid
   ============================================================ */
.simon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 6px;
  margin: auto 0;
}
.node {
  aspect-ratio: 1 / 1;
  min-height: 96px;
  border: 3px solid var(--panel-edge);
  border-radius: var(--radius);
  background: #11141f;
  position: relative;
  opacity: 0.55;
  transition: opacity 0.1s, box-shadow 0.1s, transform 0.05s;
}
.node::after {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: var(--c);
  opacity: 0.35;
}
.node.lit {
  opacity: 1;
  box-shadow: 0 0 26px var(--c), inset 0 0 18px var(--c);
}
.node.lit::after { opacity: 1; }
.node:disabled { cursor: default; }

/* ============================================================
   LEVEL 3 - KATLEGO : mastermind
   ============================================================ */
.cipher-log {
  flex: 1;
  overflow-y: auto;
  border: 2px solid var(--panel-edge);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 120px;
}
.cipher-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
}
.cipher-row .guess {
  display: flex;
  gap: 6px;
  letter-spacing: 2px;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--neon-cyan);
}
.pegs { display: flex; gap: 4px; margin-left: auto; }
.peg {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #2a2f40;
}
.peg.green { background: var(--neon-green); box-shadow: 0 0 6px var(--neon-green); }
.peg.amber { background: var(--neon-amber); box-shadow: 0 0 6px var(--neon-amber); }

.cipher-slots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin: 10px 0;
}
.slot {
  width: 56px; height: 56px;
  border: 2px dashed var(--panel-edge);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 22px;
  color: var(--neon-lime);
  background: var(--panel);
}
.slot.filled { border-style: solid; border-color: var(--neon-lime); }

.glyph-palette {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.glyph-btn {
  min-height: 56px;
  font-family: var(--font-ui);
  font-size: 20px;
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

/* ============================================================
   LEVEL 4 - LUKE : process purge grid
   ============================================================ */
.term-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
  min-height: 380px;
}
.cell {
  border: 2px solid var(--panel-edge);
  border-radius: var(--radius);
  background: #0a0c13;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 17px;
  min-height: 80px;
  overflow: hidden;
}
.cell.proc-malware {
  color: var(--neon-red);
  border-color: var(--neon-red);
  background: #1a0a0e;
  box-shadow: inset 0 0 16px rgba(255,59,84,0.3);
  animation: proc-in 0.12s ease;
}
.cell.proc-system {
  color: var(--neon-green);
  border-color: var(--neon-green);
  background: #0a1a10;
  box-shadow: inset 0 0 16px rgba(57,255,122,0.25);
  animation: proc-in 0.12s ease;
}
.cell .glyph { font-size: 26px; line-height: 1; }
.cell .pid { font-size: 14px; color: var(--muted); }
.cell.killed { animation: pop-kill 0.2s ease forwards; }
.cell.hit-wrong {
  color: #fff;
  background: var(--neon-red);
  border-color: var(--neon-red);
  animation: wrong-flash 0.3s ease;
}
@keyframes proc-in { from { transform: scale(0.6); opacity: 0; } }
@keyframes pop-kill {
  to { transform: scale(0.2); opacity: 0; }
}

/* ============================================================
   LEVEL 5 - RESHIGAN : boss
   ============================================================ */
.boss-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.boss-sprite {
  width: 132px; height: 132px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  filter: drop-shadow(0 0 10px rgba(192,38,255,0.6));
}
.boss-sprite span { width: 100%; height: 100%; }
.boss-sprite.hurt { animation: boss-shake 0.4s ease; }
@keyframes boss-shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(3px); }
}

.integrity-wrap {
  width: 100%;
  border: 2px solid var(--panel-edge);
  background: var(--panel);
  border-radius: var(--radius);
  height: 26px;
  position: relative;
  overflow: hidden;
}
.integrity-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-red), var(--neon-magenta));
  box-shadow: 0 0 14px var(--neon-magenta);
  transition: width 0.5s ease;
}
.integrity-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 11px;
  color: #fff;
  text-shadow: 0 0 4px #000;
}

.target-cmd {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--neon-amber);
  text-align: center;
  line-height: 1.7;
  word-break: break-word;
}
.assembly-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  min-height: 52px;
  padding: 8px;
  border: 2px dashed var(--panel-edge);
  border-radius: var(--radius);
  background: var(--panel);
}
.assembly-row.locked { border-color: var(--neon-red); animation: wrong-flash 0.3s ease; }
.assembly-slot {
  min-height: 40px;
  padding: 8px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--neon-green);
  border: 2px solid var(--neon-green);
  border-radius: var(--radius);
  background: #0a1a10;
}
.token-tray, .frag-field {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.token {
  min-height: var(--tap);
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
  border-radius: var(--radius);
  background: var(--panel);
}
.token.used { opacity: 0.25; pointer-events: none; }
.token.shake { animation: wrong-flash 0.3s ease; border-color: var(--neon-red); color: var(--neon-red); }

.frag-field { margin: auto 0; }
.frag {
  width: 72px; height: 72px;
  min-height: 56px;
  font-family: var(--font-ui);
  font-size: 24px;
  color: var(--neon-lime);
  border: 3px solid var(--neon-lime);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 0 12px rgba(198,255,0,0.3);
}
.frag.done {
  background: var(--neon-green);
  color: #05060a;
  border-color: var(--neon-green);
}
.frag.bad { animation: wrong-flash 0.35s ease; }

/* ---------- boot screen ---------- */
.boot-screen {
  font-family: var(--font-mono);
  font-size: 20px;
  padding: 24px 16px;
  color: var(--neon-green);
  line-height: 1.5;
}
.boot-line { white-space: pre-wrap; }
.cursor::after {
  content: "_";
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- victory ---------- */
.victory-stamp {
  font-family: var(--font-ui);
  font-size: clamp(18px, 9vw, 34px);
  color: var(--neon-green);
  text-shadow: 0 0 18px rgba(57,255,122,0.7);
  text-align: center;
}
.passcode-box {
  font-family: var(--font-mono);
  font-size: clamp(20px, 6.5vw, 30px);
  color: var(--neon-lime);
  background: #05060a;
  border: 2px solid var(--neon-lime);
  box-shadow: 0 0 18px rgba(198,255,0,0.35), inset 0 0 14px rgba(198,255,0,0.1);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  word-break: break-word;
  -webkit-user-select: text;
  user-select: text;
}
.purge-fx {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--neon-red);
  text-align: center;
  animation: glitch-collapse 1.8s ease forwards;
}
@keyframes glitch-collapse {
  0% { opacity: 1; transform: scale(1); filter: hue-rotate(0deg); }
  60% { opacity: 1; transform: scale(1.05) skewX(6deg); filter: hue-rotate(120deg); }
  75% { transform: scale(0.9) skewX(-10deg); }
  100% { opacity: 0; transform: scale(0.4); }
}

.toast {
  font-family: var(--font-ui);
  font-size: 10px;
  color: var(--neon-green);
  text-align: center;
  min-height: 14px;
}

/* ---------- screen-shake ---------- */
.shake { animation: screen-shake 0.3s ease; }
@keyframes screen-shake {
  0%,100% { transform: translate(0,0); }
  25% { transform: translate(-5px, 3px); }
  50% { transform: translate(4px, -4px); }
  75% { transform: translate(-3px, -2px); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .shake, .boss-sprite.hurt { animation: none !important; }
  #scanlines { opacity: 0.03; }
}

/* ---------- desktop: just center the column ---------- */
@media (min-width: 1024px) {
  #app {
    border-left: 1px solid var(--panel-edge);
    border-right: 1px solid var(--panel-edge);
  }
}