:root{
  --page:#f5f1e8;
  --ink:#1f2724;
  --muted:#45504b;
  --accent:#2f5cff;
  --accent-dark:#1F3FBE;
  --panel:#fcf7ee;
  --line:#d8cdbd;
  --line-strong:#c6b69f;
  --green:#157f4f;
  --red:#b42337;
  --shadow:0 22px 60px rgba(31, 39, 36, 0.12);
  --green-soft: rgba(21, 127, 79, 0.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--page)}
/* Use Playfair Display for large headings to match the original site */
h1,h2,h3,.question-title,.pill-chip{font-family:'Playfair Display', Georgia, serif}

/* Double-frame / lifted card effect similar to the screenshot */
.exam-card{position:relative;padding:1.25rem;display:grid;gap:1rem}
.exam-card::before{content:"";position:absolute;inset:12px;z-index:-2;border-radius:30px;background:transparent;transform:translate(12px,12px);box-shadow:0 26px 50px rgba(31,39,36,0.06)}
.exam-card::after{content:"";position:absolute;inset:0;z-index:-1;border-radius:30px;border:1px solid rgba(31,39,36,0.06);background:linear-gradient(180deg,#fffdf8,#faf3e9)}
button{font:inherit;color:inherit;cursor:pointer}
.hero-grid{background:radial-gradient(circle at 12% 12%,rgba(47,92,255,.12),transparent 26rem),radial-gradient(circle at 88% 18%,rgba(216,154,37,.16),transparent 28rem),linear-gradient(135deg,#fbf7ef 0%,var(--page) 45%,#efe5d7 100%)}
.mark{width:56px;height:56px;border-radius:20px;display:grid;place-items:center;background:#1f2724;color:#fffaf2;font-weight:900;letter-spacing:-0.04em;box-shadow:0 14px 34px rgba(0,0,0,.16)}
.disclaimer{display:flex;align-items:center;gap:8px;max-width:420px;font-size:0.95rem;line-height:1.6;color:#6a4b32;font-weight:600}
.pill-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(31,39,36,.16);background:rgba(255,255,255,.58);backdrop-filter:blur(10px);border-radius:999px;padding:0.7rem 1rem;font-size:0.95rem;font-weight:700;color:#4b504b}
.balance{letter-spacing:-0.03em}
.exam-plate{position:relative;border:1px solid rgba(31,39,36,.16);background:rgba(255,250,242,.88);box-shadow:0 30px 80px rgba(31,39,36,.12);border-radius:36px;padding:1.5rem;display:grid;gap:1rem}
.plate-ring{position:relative;overflow:hidden;border:1px solid rgba(31,39,36,.12);border-radius:28px;background:linear-gradient(145deg,#fffdf8,#f7efe0);padding:1.3rem 1.1rem;display:flex;justify-content:center;align-items:center;min-height:180px}
.plate-ring::before{content:"";position:absolute;inset:0;z-index:0;background:
  radial-gradient(circle at 50% 50%, rgba(255,255,255,0.95) 20%, transparent 24%),
  radial-gradient(circle at 50% 50%, rgba(38,27,17,0.14) 25%, transparent 30%),
  radial-gradient(circle at 48% 54%, rgba(189,142,89,0.22) 32%, transparent 40%);
}
.plate-ring > div{position:relative;z-index:1;}
.plate-ring strong{display:block;font-size:3.4rem;line-height:1;font-weight:900;letter-spacing:-0.04em}
.plate-ring span{display:block;margin-top:.45rem;color:#6a4b32;font-size:.95rem;font-weight:700}
.plate-ring span::before{content:"";display:block;width:32px;height:1px;margin:0 auto .55rem;background:rgba(31,39,36,.15)}
#pulseRing{position:relative;}
#pulseRing::before{content:"";position:absolute;inset:0;border-radius:28px;border:2px solid rgba(31,39,36,0.08);}
#pulseRing::after{content:"";position:absolute;inset:10px;border-radius:24px;border:6px solid rgba(255,255,255,0.5);box-shadow:0 0 0 6px rgba(255,255,255,0.5), 0 0 0 8px rgba(31,39,36,0.08);}
#pulseRing.active::after{box-shadow:0 0 0 6px rgba(255,255,255,0.5), 0 0 0 8px rgba(46,79,255,0.18), 0 0 0 14px rgba(46,79,255,0.12);}
.metric{border:1px solid rgba(31,39,36,.12);background:#fffdf9;border-radius:18px;padding:.75rem .8rem;display:grid;gap:.2rem;text-align:center}
.metric span{font-size:.7rem;text-transform:uppercase;letter-spacing:.17em;color:#6a4b32;font-weight:800}
.metric strong{font-size:1rem;line-height:1.2;font-weight:900}
.control-panel,.exam-card{background:rgba(255,250,242,.9);border:1px solid rgba(31,39,36,.16);border-radius:30px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.control-panel{padding:1.15rem;display:grid;gap:0.85rem}
.panel-title{display:flex;align-items:center;gap:0.55rem;font-size:1rem;font-weight:900;letter-spacing:-0.02em}
.segmented{display:grid;grid-template-columns:1fr 1fr;padding:4px;border:1px solid var(--line);border-radius:999px;background:#ffffff}
.mode-btn{border:0;background:transparent;border-radius:999px;padding:.7rem .9rem;font-weight:800;color:#5e665f}
.mode-btn.active{background:#1f2724;color:#fffaf2}
.category-list{display:flex;flex-wrap:wrap;gap:0.5rem}
.chip{display:inline-flex;align-items:center;gap:.35rem;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.6rem .8rem;font-size:.84rem;font-weight:800;color:#4d504b}
.chip.active{background:#eaf0ff;border-color:#b9cbff;color:#2347b2}
.chip span{color:#6a4b32;font-weight:700}
.reset-button,.nav-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:.7rem .95rem;font-weight:800}
.reset-button{justify-self:start}
.exam-bar{margin-top:.3rem;display:flex;align-items:center;justify-content:space-between;gap:0.75rem;padding:.75rem .9rem;border-radius:18px;background:#fff;border:1px solid var(--line)}
.submit-btn{border:0;background:var(--accent);color:white;border-radius:999px;padding:.7rem .95rem;font-weight:800}
.exam-card{padding:1.25rem;display:grid;gap:1rem}
.exam-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}
.question-count{margin:0;color:#6a4b32;text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:800}
.question-category{margin:.2rem 0 0;font-size:1.1rem;font-weight:900}
.flag-button{border:1px solid var(--line);background:#fff;border-radius:999px;width:38px;height:38px;display:grid;place-items:center}
.progress-track{height:8px;border-radius:999px;background:#eee3cf;overflow:hidden}
.progress-track span{display:block;height:100%;background:var(--accent)}
.question-shell{display:grid;gap:.85rem}
.difficulty{display:inline-flex;align-self:start;border-radius:999px;background:#fff7e8;border:1px solid #efcf91;padding:.45rem .7rem;font-size:.8rem;font-weight:900;color:#9a6300}
.question-title{margin:0;font-size:1.8rem;line-height:1.16;letter-spacing:-0.03em;max-width:860px}
.answer-grid{display:grid;gap:.8rem;margin-top:.2rem}
.option{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:center;width:100%;text-align:left;border:1px solid var(--line);border-radius:20px;background:#fff;padding:14px 15px;transition:.16s ease}
.option:hover{transform:translateY(-1px);border-color:var(--line-strong);box-shadow:0 8px 24px rgba(31,39,36,.07)}
.option-letter{width:42px;height:42px;border-radius:999px;display:grid;place-items:center;background:#f4eee5;border:1px solid #efe3d2;font-weight:900}
.option-text{font-weight:700;color:#403a32;line-height:1.45}
.option.selected{border-color:#8fa4ff;background:#f3f6ff}
.option.selected .option-letter{background:var(--accent);border-color:var(--accent);color:white}
.option.correct{border-color:#75d79c;background:var(--green-soft)}
.option.correct .option-letter{background:var(--green);border-color:var(--green);color:white}
.option.wrong{border-color:#ffb3bf;background:#fff0f2}
.option.wrong .option-letter{background:var(--red);border-color:var(--red);color:white}
.feedback-box{border-radius:22px;padding:16px 18px;border:1px solid var(--line);background:#fff}
.feedback-box h3{margin:0 0 8px;font-size:1.05rem}
.feedback-box p{margin:0;color:#5a625d;line-height:1.6;font-weight:650}
.feedback-box .answer-line{font-weight:900;color:var(--ink)}
.exam-placeholder{padding:1rem 1.05rem;border:1px dashed var(--line);border-radius:18px;background:#fffdf8;color:#675c4e;font-weight:700}
.exam-actions{display:flex;justify-content:space-between;gap:12px}
.nav-btn.primary{background:var(--accent);border-color:var(--accent);color:white}
.nav-btn:disabled{opacity:.5;cursor:not-allowed}
.review-strip{display:flex;flex-wrap:wrap;gap:7px}
.number-btn{width:38px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;font-weight:900;color:#665e54}
.number-btn.current{background:#1f2724;color:#fff;border-color:#1f2724}
.number-btn.correct{background:#eaf8ef;border-color:#9cd7b4;color:var(--green)}
.number-btn.wrong{background:#fff0f2;border-color:#ffc0c9;color:var(--red)}
.number-btn.answered{background:#eaf0ff;border-color:#b6c5ff;color:#2347b2}
@media (max-width: 960px){.exam-actions,.exam-topline{flex-direction:column;align-items:flex-start}.review-strip{margin-top:.25rem}} 
@media (max-width:680px){.question-title{font-size:1.35rem}.option{grid-template-columns:36px 1fr}.option-letter{width:36px;height:36px}.exam-card,.control-panel{border-radius:24px}} 

/* Slight spacing refinement for the screenshot-style layout */
.hero-grid{padding-top:3rem;}
.exam-plate{padding:1.75rem;}
.exam-card{padding:1.5rem;}
.control-panel{padding:1.3rem;}