/* ============================================================
   DataCruise Word Games — Bridge the Data Sentence
   Terminal / hacker aesthetic, matched to series
   ============================================================ */

: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;
  --neon-red: #ff5577;

  --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: 820px;
  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 { margin-left: 10px; color: var(--text-faint); }

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

/* ============================================================
   Header
   ============================================================ */

.hdr {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-hi);
  margin-bottom: 18px;
}

.title {
  font-size: 20px;
  font-weight: 700;
  color: var(--neon-green);
  text-shadow: var(--shadow-glow-green);
  letter-spacing: 0.5px;
}
.title .prompt { color: var(--neon-cyan); margin-right: 8px; }
.title .series { color: var(--text-faint); font-weight: 400; font-size: 12px; display: block; margin-top: 2px; letter-spacing: 0; }

.hud {
  display: flex;
  gap: 16px;
  font-size: 13px;
  align-items: center;
}
.hud .stat { display: flex; flex-direction: column; align-items: flex-end; }
.hud .stat .lbl { color: var(--text-faint); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.hud .stat .val { color: var(--neon-yellow); font-size: 18px; font-weight: 700; }
.hud .stat.timer .val.warn { color: var(--neon-magenta); animation: pulse 0.8s infinite; }

.mute-btn {
  background: transparent;
  border: 1px solid var(--border-hi);
  color: var(--text-dim);
  width: 36px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.mute-btn:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.06);
}

@keyframes pulse { 50% { opacity: 0.55; } }

/* ============================================================
   Sentence rows
   ============================================================ */

.sentences {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s, background 0.3s;
}

.row-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.correction {
  margin-left: 30px;
  font-size: 13px;
  color: var(--text-dim);
  padding-top: 4px;
  border-top: 1px dashed rgba(255, 46, 146, 0.25);
}
.correction .corr-label {
  color: var(--neon-green);
  text-shadow: var(--shadow-glow-green);
  margin-right: 6px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 11px;
  text-transform: uppercase;
}
.correction .corr-mid {
  color: var(--neon-green);
  font-weight: 700;
}

.banner {
  margin-bottom: 14px;
  padding: 10px 14px;
  background: rgba(255, 46, 146, 0.06);
  border: 1px solid rgba(255, 46, 146, 0.4);
  border-left-width: 3px;
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}
.banner.banner-win {
  background: rgba(0, 255, 156, 0.06);
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.row .num {
  color: var(--text-faint);
  font-size: 12px;
  margin-right: 4px;
  min-width: 22px;
}

.fixed {
  display: inline-block;
  padding: 6px 12px;
  background: transparent;
  color: var(--neon-cyan);
  font-weight: 700;
  text-shadow: var(--shadow-glow-cyan);
  font-size: 15px;
}

.slot {
  display: inline-block;
  min-width: 92px;
  min-height: 34px;
  padding: 6px 12px;
  background: var(--bg-1);
  border: 1px dashed var(--border-hi);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}
.slot.empty { color: var(--text-faint); }
.slot.empty::before { content: '_____'; letter-spacing: 1px; }
.slot.filled {
  background: var(--bg-3);
  border-style: solid;
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.1);
}
.slot.filled:hover {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.25);
}
.slot.filled.selected,
.slot.filled[data-selected="1"] {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  background: rgba(255, 215, 0, 0.08);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
}
.slot.target {
  border-color: var(--neon-yellow);
  background: rgba(255, 215, 0, 0.06);
}
/* Small × button inside a filled slot — single-answer reset. */
.slot-text { display: inline-block; vertical-align: middle; }
.slot-clear {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 14px;
  margin-left: 8px;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  opacity: 0.55;
  cursor: pointer;
  font-family: inherit;
  vertical-align: middle;
  transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.slot-clear:hover {
  opacity: 1;
  background: rgba(255, 46, 146, 0.18);
  color: var(--neon-magenta);
  border-color: var(--neon-magenta);
  transform: scale(1.08);
}
.slot-clear:focus-visible {
  outline: 2px solid var(--neon-yellow);
  outline-offset: 2px;
}
/* Hide during review — round is over, can't change answers. */
.row.correct .slot-clear,
.row.wrong .slot-clear { display: none; }
.row.correct {
  background: rgba(0, 255, 156, 0.08);
  border-color: var(--neon-green);
}
.row.correct .slot.filled {
  border-color: var(--neon-green);
  color: var(--neon-green);
  text-shadow: var(--shadow-glow-green);
}
.row.wrong {
  background: rgba(255, 46, 146, 0.06);
  border-color: var(--neon-magenta);
}
.row.wrong .slot.filled {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

/* ============================================================
   Word bank
   ============================================================ */

.bank-label {
  font-size: 11px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.bank-label .hint { color: var(--text-dim); text-transform: none; letter-spacing: 0; margin-left: 8px; }

.bank {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 64px;
  margin-bottom: 18px;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.bank.return-target {
  border-style: dashed;
  border-color: var(--neon-yellow);
  background: rgba(255, 215, 0, 0.06);
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.15) inset;
}
.bank-empty {
  font-size: 12px;
  color: var(--text-faint);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin: auto;
}

.word {
  display: inline-block;
  padding: 8px 14px;
  background: var(--bg-3);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all 0.12s;
}
.word:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  transform: translateY(-1px);
}
.word.selected {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  background: rgba(255, 215, 0, 0.08);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
  transform: translateY(-1px);
}

/* ============================================================
   Controls + result
   ============================================================ */

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.btn {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 9px 18px;
  background: transparent;
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}
.btn:hover { background: rgba(0, 255, 156, 0.12); box-shadow: var(--shadow-glow-green); }
.btn.secondary { color: var(--text-dim); border-color: var(--border-hi); }
.btn.secondary:hover { color: var(--neon-cyan); border-color: var(--neon-cyan); background: rgba(0, 240, 255, 0.06); box-shadow: none; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn:disabled:hover { background: transparent; box-shadow: none; }

.result {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border-hi);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-dim);
}
.result.win { border-color: var(--neon-green); color: var(--neon-green); text-shadow: var(--shadow-glow-green); }
.result strong { color: var(--neon-yellow); }

/* ============================================================
   Mobile
   ============================================================ */

@media (max-width: 560px) {
  .term-body { padding: 16px 14px 20px; }
  .title { font-size: 17px; }
  .hud .stat .val { font-size: 16px; }
  .fixed, .slot, .word { font-size: 14px; padding: 6px 10px; }
  .slot { min-width: 78px; }
  .row { padding: 8px 10px; gap: 6px; }
}