/* ============================================================
   DataCruise Word Games — Crack the Data Crossword
   Terminal / hacker aesthetic — matches "Derive the Data Jargon".
   ============================================================ */

:root {
  --bg-0: #06080c;
  --bg-1: #0a0e14;
  --bg-2: #11161f;
  --bg-3: #1a212e;
  --border: #1f2937;
  --border-hi: #2a3445;

  --neon-green: #00ff9c;
  --neon-cyan:  #00f0ff;
  --neon-magenta: #ff2e92;
  --neon-yellow: #ffd700;

  --text:   #c9d1d9;
  --text-dim: #8b949e;
  --text-faint: #4a5260;

  --mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Menlo', 'Consolas', monospace;

  --shadow-glow-green: 0 0 12px rgba(0, 255, 156, 0.45), 0 0 30px rgba(0, 255, 156, 0.15);
  --shadow-glow-cyan:  0 0 12px rgba(0, 240, 255, 0.45), 0 0 30px rgba(0, 240, 255, 0.15);
  --shadow-glow-mag:   0 0 12px rgba(255, 46, 146, 0.45), 0 0 30px rgba(255, 46, 146, 0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px; line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse at top, rgba(0, 240, 255, 0.06), transparent 60%),
    radial-gradient(ellipse at bottom, rgba(255, 46, 146, 0.05), transparent 60%),
    var(--bg-0);
  min-height: 100vh; min-height: 100dvh;
}

.scanlines {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0) 0px, rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.12) 3px, rgba(0,0,0,0) 4px
  );
  mix-blend-mode: multiply; opacity: 0.5;
}

#app {
  position: relative; z-index: 1;
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px 16px;
}

/* ---- Terminal frame ---- */
.term {
  width: 100%; max-width: 920px;
  background: var(--bg-1);
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(0,240,255,0.08), 0 20px 60px rgba(0,0,0,0.6);
  overflow: hidden;
}
.term-bar {
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
  border-bottom: 1px solid var(--border);
  padding: 8px 14px;
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--text-dim);
}
.term-bar .dots { display: flex; gap: 6px; }
.term-bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #2a3445; }
.term-bar .dot.r { background: #ff5f56; }
.term-bar .dot.y { background: #ffbd2e; }
.term-bar .dot.g { background: #27c93f; }
.term-bar .path { flex: 1; font-family: var(--mono); letter-spacing: 0.02em; }
.term-bar .path .prompt { color: var(--neon-green); }
.term-bar .path .sep    { color: var(--text-faint); }
.term-bar .path .cmd    { color: var(--neon-cyan); }
.mute-btn {
  background: transparent;
  border: 1px solid var(--border-hi);
  color: var(--text-dim);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 13px; cursor: pointer; line-height: 1;
  margin-left: auto;
  transition: all 0.15s ease;
}
.mute-btn:hover { border-color: var(--neon-cyan); color: var(--neon-cyan); }

.term-body { padding: 26px 22px 28px; }

/* ---- brand line ---- */
.brand {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px; gap: 12px; flex-wrap: wrap;
}
.brand-title {
  font-size: 12px; letter-spacing: 0.18em;
  color: var(--neon-cyan); text-transform: uppercase;
}
.brand-title .pipe { color: var(--text-faint); margin: 0 8px; }
.brand-meta {
  font-size: 11px; color: var(--text-faint);
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---- Splash ---- */
.splash { text-align: center; padding: 14px 4px 4px; }
.splash h1 {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(28px, 5vw, 40px);
  margin: 14px 0 8px;
  color: var(--neon-green);
  text-shadow: var(--shadow-glow-green);
  letter-spacing: 0.02em;
}
.splash h1 .punc { color: var(--neon-magenta); }
.splash h1 .cursor { display: inline-block; animation: blink 1s steps(1) infinite; color: var(--neon-cyan); margin-left: 4px; }
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
.splash .tagline {
  color: var(--text-dim);
  font-size: 14px; margin: 0 auto 24px;
  max-width: 520px; line-height: 1.55;
}
.splash .tagline .hl { color: var(--neon-cyan); }
.splash .mascot {
  margin: 18px auto 8px;
  width: 160px; height: 160px;
  filter: drop-shadow(0 0 18px rgba(0, 255, 156, 0.35));
}

.how-to {
  text-align: left;
  background: var(--bg-2);
  border: 1px dashed var(--border-hi);
  border-radius: 6px;
  padding: 14px 18px;
  margin: 18px auto;
  max-width: 520px;
  font-size: 13px; color: var(--text-dim);
}
.how-to .head {
  color: var(--neon-cyan);
  font-weight: 700; letter-spacing: 0.06em;
  margin-bottom: 8px;
  font-size: 11px; text-transform: uppercase;
}
.how-to ul { margin: 0; padding: 0; list-style: none; }
.how-to li { padding: 3px 0; display: flex; gap: 10px; align-items: center; }
.how-to li::before { content: ">"; color: var(--neon-green); font-weight: 700; }
.how-to .hl { color: var(--neon-cyan); }
.how-to .key {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--border-hi);
  border-radius: 3px;
  color: var(--neon-yellow);
  background: var(--bg-1);
  font-size: 11px;
}

/* ---- Buttons ---- */
.btn {
  font-family: var(--mono);
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 12px 26px;
  background: transparent;
  border: 1px solid var(--neon-green); color: var(--neon-green);
  border-radius: 4px; cursor: pointer;
  transition: all 0.15s ease;
  text-shadow: 0 0 8px rgba(0, 255, 156, 0.4);
}
.btn:hover, .btn:focus-visible {
  background: rgba(0, 255, 156, 0.1);
  box-shadow: var(--shadow-glow-green);
  outline: none; transform: translateY(-1px);
}
.btn:active { transform: translateY(0); }
.btn.cyan { border-color: var(--neon-cyan); color: var(--neon-cyan); text-shadow: 0 0 8px rgba(0,240,255,0.4); }
.btn.cyan:hover, .btn.cyan:focus-visible { background: rgba(0,240,255,0.1); box-shadow: var(--shadow-glow-cyan); }
.btn.mag { border-color: var(--neon-magenta); color: var(--neon-magenta); text-shadow: 0 0 8px rgba(255,46,146,0.4); }
.btn.mag:hover, .btn.mag:focus-visible { background: rgba(255,46,146,0.1); box-shadow: var(--shadow-glow-mag); }
.btn.ghost { border-color: var(--border-hi); color: var(--text-dim); text-shadow: none; }
.btn.ghost:hover { border-color: var(--text-dim); color: var(--text); background: rgba(255,255,255,0.03); box-shadow: none; }
.btn.tiny { padding: 6px 14px; font-size: 11px; letter-spacing: 0.08em; }

.start-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 18px 0 6px; }

/* ---- HUD ---- */
.hud {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px; margin-bottom: 12px;
}
.hud-cell {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  display: flex; flex-direction: column; align-items: flex-start;
  font-size: 11px;
}
.hud-cell .lbl {
  color: var(--text-faint);
  text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 10px;
}
.hud-cell .val {
  color: var(--neon-cyan);
  font-size: 18px; font-weight: 700;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.35);
}
.hud-cell .val.small { font-size: 11px; letter-spacing: 0.04em; text-shadow: none; color: var(--text-dim); }
.hud-cell.score .val { color: var(--neon-green); text-shadow: 0 0 6px rgba(0,255,156,0.35); }
.hud-cell.found .val { color: var(--neon-yellow); text-shadow: 0 0 6px rgba(255,215,0,0.35); }
.hud-cell.timer .val { color: var(--neon-magenta); text-shadow: 0 0 6px rgba(255,46,146,0.35); }

.timer-row { margin: 0 0 18px; }
.timer-bar {
  height: 6px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 3px; overflow: hidden;
}
.timer-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
  transition: width 0.1s linear, background 0.3s ease;
  box-shadow: 0 0 8px rgba(0,240,255,0.5);
}
.timer-bar-fill.warn {
  background: linear-gradient(90deg, var(--neon-yellow), var(--neon-magenta));
  animation: pulse 0.5s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

/* ============================================================
   Board layout — grid + clues side-by-side
   ============================================================ */
.board {
  display: grid;
  grid-template-columns: minmax(0, auto) 1fr;
  gap: 22px;
  align-items: start;
}
.grid-wrap { display: flex; justify-content: center; }

.grid {
  display: grid;
  grid-template-columns: repeat(10, 38px);
  grid-auto-rows: 38px;
  gap: 2px;
  padding: 8px;
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.05);
}
.cell {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  cursor: pointer;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--neon-cyan);
  font-size: 19px;
  user-select: none;
  transition: background 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}
.cell.block {
  background: transparent;
  border-color: transparent;
  cursor: default;
}
.cell:hover:not(.block) {
  border-color: var(--neon-cyan);
}
.cell .num {
  position: absolute;
  top: 1px; left: 3px;
  font-size: 9px;
  color: var(--text-faint);
  font-weight: 600;
  letter-spacing: 0;
  pointer-events: none;
}
.cell .letter { line-height: 1; }
.cell.active-word {
  background: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.5);
}
.cell.cursor {
  background: rgba(0, 240, 255, 0.18);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0,240,255,0.45), inset 0 0 6px rgba(0,240,255,0.25);
  animation: cursor-pulse 1s ease-in-out infinite;
}
@keyframes cursor-pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0,240,255,0.45), inset 0 0 6px rgba(0,240,255,0.25); }
  50%      { box-shadow: 0 0 14px rgba(0,240,255,0.65), inset 0 0 8px rgba(0,240,255,0.35); }
}
.cell.found {
  background: rgba(0, 255, 156, 0.12);
  border-color: var(--neon-green);
  color: var(--neon-green);
  text-shadow: 0 0 8px rgba(0,255,156,0.5);
}
.cell.found.cursor {
  box-shadow: 0 0 10px rgba(0,255,156,0.45);
}

/* ---- Clue lists ---- */
.clues {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  min-width: 0;
}
.clue-col {
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  padding: 10px 12px 12px;
  min-width: 0;
}
.clue-head {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--neon-cyan);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--border-hi);
}
.clue-col ul { list-style: none; margin: 0; padding: 0; }
.clue-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 6px;
  align-items: start;
  padding: 6px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text);
  line-height: 1.35;
  transition: background 0.1s ease, color 0.1s ease;
}
.clue-item:hover { background: rgba(0, 240, 255, 0.05); }
.clue-item.active {
  background: rgba(0, 240, 255, 0.12);
  color: var(--text);
  box-shadow: inset 2px 0 0 var(--neon-cyan);
}
.clue-item.found {
  opacity: 0.55;
  text-decoration: line-through;
  color: var(--neon-green);
}
.clue-item.found .cnum,
.clue-item.found .clen { color: var(--neon-green); }
.clue-item .cnum {
  color: var(--neon-yellow);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.clue-item .clen {
  color: var(--text-faint);
  font-size: 11px;
  white-space: nowrap;
}

.actions-row {
  margin-top: 18px;
  display: flex; justify-content: space-between;
  gap: 10px; flex-wrap: wrap;
}

/* ============================================================
   Game over
   ============================================================ */
.over { text-align: center; padding: 8px 4px; }
.over h2 {
  font-size: 30px;
  color: var(--neon-magenta);
  text-shadow: var(--shadow-glow-mag);
  letter-spacing: 0.04em;
  margin: 6px 0 4px;
}
.over h2.correct { color: var(--neon-green); text-shadow: var(--shadow-glow-green); }
.over h2.wrong   { color: var(--neon-magenta); text-shadow: var(--shadow-glow-mag); }
.over .subtitle { color: var(--text-dim); font-size: 13px; margin-bottom: 22px; }
.over .final-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px auto 22px;
  max-width: 480px;
}
.over .stat {
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  padding: 14px 8px;
}
.over .stat .num {
  font-size: 28px; font-weight: 700;
  color: var(--neon-green);
  text-shadow: var(--shadow-glow-green);
}
.over .stat.cyan .num   { color: var(--neon-cyan);   text-shadow: var(--shadow-glow-cyan); }
.over .stat.yellow .num { color: var(--neon-yellow); text-shadow: 0 0 12px rgba(255,215,0,0.45); }
.over .stat .lbl {
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 4px;
}

.answer-list {
  text-align: left;
  background: var(--bg-2);
  border: 1px dashed var(--border-hi);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 0 auto 16px;
  max-width: 560px;
}
.answer-list.found { border-color: rgba(0, 255, 156, 0.4); }
.answer-list .al-head {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--neon-cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.answer-list.found .al-head { color: var(--neon-green); }
.answer-list ul { list-style: none; margin: 0; padding: 0; }
.answer-list li { padding: 4px 0; font-size: 13px; }
.answer-list .al-num { color: var(--neon-yellow); font-weight: 700; margin-right: 4px; }
.answer-list .al-word { color: var(--neon-green); font-weight: 700; letter-spacing: 0.04em; }
.answer-list .al-clue { color: var(--text-dim); }

/* ============================================================
   Small / mobile
   ============================================================ */
@media (max-width: 760px) {
  .board { grid-template-columns: 1fr; gap: 16px; }
  .grid { grid-template-columns: repeat(10, 30px); grid-auto-rows: 30px; }
  .cell { font-size: 15px; }
  .cell .num { font-size: 8px; }
  .clues { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 14px; }
  .term-body { padding: 18px 12px 22px; }
  .hud { grid-template-columns: repeat(3, 1fr); }
  .hud-cell:nth-child(4) { display: none; }
  .grid { grid-template-columns: repeat(10, 28px); grid-auto-rows: 28px; gap: 2px; padding: 6px; }
  .cell { font-size: 14px; }
  .splash h1 { font-size: 26px; }
  .splash .mascot { width: 130px; height: 130px; }
  .over .final-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .scanlines { display: none; }
}