:root{
  /* photographic palette: neutral paper, deep charcoal for ink, warm accents */
  --paper: #fbf8f5;
  --ink: #111214;
  --accent: #8a6b4a;
  --muted: #6e6b68;
  --tone: #efebe7;
  --success: #1f8a53;
  --danger: #b53b3b;

  /* panel backgrounds with subtle photographic tints */
  --box1: #f6efe7; /* warm paper */
  --box2: #e9efe9; /* soft bezel */
  --box3: #e6f0f7; /* timer cool sky */
  --box4: #fff0ef; /* answer warm rose */
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;color:var(--ink);-webkit-font-smoothing:antialiased;background:#e9e6e2;font-family: "Georgia", "Times New Roman", serif}

/* overall container with photographic card feel */
#app.studio, #app2.studio{
  max-width:1200px;margin:24px auto;padding:20px;border-radius:12px;
  background:linear-gradient(180deg, rgba(255,255,255,0.9), rgba(250,247,244,0.95));
  border:1px solid rgba(16,16,16,0.06);
  box-shadow: 0 18px 34px rgba(20,20,20,0.12);
  display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden;
}

/* subtle photograph-like vignette on the container */
#app.studio::before, #app2.studio::before{
  content:"";position:absolute;inset:0;border-radius:12px;pointer-events:none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.00) 30%, rgba(0,0,0,0.045) 100%);
  mix-blend-mode:multiply;opacity:0.8;
}

/* top bar — elegant photographic title strip */
.top-bar{
  display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-radius:8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,246,244,0.98));
  box-shadow: 0 6px 18px rgba(16,16,16,0.06);
  border:1px solid rgba(16,16,16,0.04);
}

/* index at top with refined typographic treatment */
.page-index{
  max-width:1200px;margin:12px auto 0;padding:8px 14px;display:flex;justify-content:center;align-items:center;
}
.page-index .index-inner{display:flex;flex-direction:column;align-items:center;gap:6px}
.page-index .index-title{
  font-family: "Georgia", "Times New Roman", serif;
  font-size:34px;color:var(--ink);letter-spacing:0.6px;font-weight:700;
}

/* larger display title used across the app (e.g. DEFINITION SPRINT) */
.show-title{
  font-family: "Georgia", "Times New Roman", serif;
  font-size:48px;
  color:var(--ink);
  letter-spacing:0.6px;
  font-weight:800;
  line-height:1;
  text-transform:uppercase;
  margin:0;
}
.page-index .index-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.page-index .index-link{
  display:inline-block;padding:8px 12px;border-radius:8px;background:rgba(255,255,255,0.85);color:var(--ink);
  text-decoration:none;border:1px solid rgba(16,16,16,0.06);font-size:16px;font-weight:700;
  box-shadow:0 6px 14px rgba(16,16,16,0.06);
  font-family: "Georgia", "Times New Roman", serif;
}

/* instruction banner reworked as a photographic printed card */
.instruction-banner{
  max-width:1200px;margin:12px auto;padding:18px 16px;border-radius:10px;
  background: linear-gradient(180deg,#fffdf9,#fbf6ef);
  border:1px solid rgba(16,16,16,0.06);
  box-shadow: 0 12px 24px rgba(16,16,16,0.08);
  font-family: "Georgia", "Times New Roman", serif;
  font-size:28px;color:var(--ink);font-weight:800;text-align:center;padding-top:22px;padding-bottom:22px;
  letter-spacing:0.8px;
}

/* stage layout */
.stage{display:flex;gap:20px;align-items:flex-start}
.stage-left{flex:1;display:flex;flex-direction:column;gap:16px}
.stage-right{width:320px;display:flex;flex-direction:column;gap:16px;align-items:stretch}

/* big box becomes a photographic display with soft textured paper and realistic shadow */
.big-box{
  background: linear-gradient(180deg, var(--box1), #fff); border-radius:12px;padding:18px;
  border:1px solid rgba(16,16,16,0.06);
  box-shadow: 0 28px 60px rgba(18,18,18,0.12);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}

/* internal bezel uses subtle embossed edge and paper texture hint */
.screen-bezel{
  background: linear-gradient(180deg, var(--box2), #fff);border-radius:8px;padding:28px;width:100%;min-height:280px;
  border:1px solid rgba(16,16,16,0.06);box-shadow: 0 8px 26px rgba(12,12,12,0.06) inset;display:flex;align-items:center;justify-content:center;
  position:relative;
}

/* remove comic tail, replace with small polished label bar */
.screen-bezel::before, .screen-bezel::after{display:none}

/* refined definition typography: serif, centered, softer weight */
.definition-text{
  font-size:30px;color:var(--ink);line-height:1.25;text-align:center;padding:12px;max-width:880px;
  font-family: "Georgia", "Times New Roman", serif;font-weight:600;letter-spacing:0.2px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* active state: subtle photograph-style light sweep */
.screen-bezel.active::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background: linear-gradient(120deg, rgba(255,255,255,0.06), rgba(255,255,255,0.00) 30%);
  mix-blend-mode:screen;opacity:0.9;
}
.screen-bezel > .definition-text{position:relative;z-index:1}

/* controls: softer rounded UI like tactile buttons */
.controls{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:8px}
.btn{
  appearance:none;border:0;padding:10px 14px;border-radius:8px;background:#ffffff;color:var(--ink);cursor:pointer;
  font-weight:700;letter-spacing:0.3px;border:1px solid rgba(16,16,16,0.06);box-shadow:0 10px 20px rgba(12,12,12,0.06);
  font-family: "Georgia", "Times New Roman", serif;
}
.btn.primary{background:var(--accent);color:#fff;border-color:rgba(0,0,0,0.08)}
.btn.success{background:var(--success);color:#fff;border-color:rgba(0,0,0,0.08)}
.btn.danger{background:var(--danger);color:#fff;border-color:rgba(0,0,0,0.08)}
.btn:disabled{opacity:0.5;cursor:not-allowed;box-shadow:none}

/* right panel with photographic card panels */
.game-controls{display:flex;flex-direction:column;gap:14px;align-items:stretch;padding:14px;background:linear-gradient(180deg,#ffffff,#fbf9f7);border-radius:10px;border:1px solid rgba(16,16,16,0.04);box-shadow:0 14px 30px rgba(16,16,16,0.06)}
.timer-wrap{display:flex;flex-direction:column;align-items:center;gap:6px}
.timer-label,.answer-label{font-size:12px;color:var(--muted);letter-spacing:0.6px}
.timer{font-size:42px;font-weight:700;color:var(--ink);background:var(--box3);padding:8px 20px;border-radius:8px;border:1px solid rgba(16,16,16,0.04);box-shadow:0 10px 20px rgba(12,12,12,0.04)}
.answer-wrap{display:flex;flex-direction:column;gap:6px}
.answer{min-height:64px;display:flex;align-items:center;justify-content:center;background:var(--box4);padding:14px;border-radius:8px;border:1px solid rgba(16,16,16,0.04);color:var(--ink);font-weight:800;font-family: "Georgia", "Times New Roman", serif; font-size:28px}

/* mark buttons */
.mark-buttons{display:flex;gap:10px;justify-content:center}

/* make the Correct/Wrong buttons more prominent */
.mark-buttons .btn{
  font-size:18px;
  padding:12px 18px;
  border-radius:10px;
  font-weight:800;
}

/* subtle badges hidden by default */
.correct-burst, .wrong-burst{position:absolute;left:16px;top:16px;padding:6px 10px;border-radius:6px;font-weight:700;background:rgba(255,255,255,0.9);border:1px solid rgba(16,16,16,0.04);display:none}
.correct-burst{color:var(--success)}
.wrong-burst{color:var(--danger)}

/* timer low state */
.timer.low{color:var(--danger);text-shadow:none}

/* responsive */
@media (max-width:900px){
  .stage{flex-direction:column}
  .stage-right{width:100%}
  .definition-text{font-size:20px}
}

/* make the duplicated app2 slightly warmer photo tone */
#app2.studio{background: linear-gradient(180deg,#fff9f4,#fff7f2);box-shadow:0 22px 40px rgba(30,20,10,0.10)}
#app2.studio .definition-text{color:#2a1a15;font-style:normal}
#app2.studio .btn.primary{background:#b86f3f}
#app2.studio .timer{background:#eaf6ff;color:#092232}

/* subtle, neat corner tags for levels */
#app.studio .big-box::before{
  content:"A1–A2";position:absolute;right:12px;top:12px;padding:6px 8px;border-radius:6px;background:rgba(255,255,255,0.8);border:1px solid rgba(16,16,16,0.04);font-family:"Georgia", "Times New Roman", serif;font-size:12px;color:var(--muted)
}
#app2.studio .big-box::before{
  content:"B2–C1";position:absolute;left:12px;top:12px;padding:6px 8px;border-radius:6px;background:rgba(255,255,255,0.85);border:1px solid rgba(16,16,16,0.04);font-family:"Georgia", "Times New Roman", serif;font-size:12px;color:var(--muted)
}