:root{--bg: #0f0f1a;--surface: #1a1a2e;--surface2: #222240;--accent: #6c5ce7;--accent2: #a29bfe;--green: #00b894;--green2: #55efc4;--red: #d63031;--red2: #ff7675;--orange: #e17055;--yellow: #fdcb6e;--text: #f0f0f5;--text2: #a0a0c0;--radius: 12px;--radius-lg: 20px;font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;color-scheme:dark}*{box-sizing:border-box;margin:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.5rem;background:var(--surface);border-bottom:1px solid 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0}.hero-title{font-size:2.8rem;font-weight:800;margin:0;display:flex;align-items:center;justify-content:center;gap:.5rem;background:linear-gradient(135deg,#a29bfe,#6c5ce7,#00b894,#55efc4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-emoji{font-size:2.5rem;-webkit-text-fill-color:initial}.hero-subtitle{color:var(--text2);font-size:1.15rem;margin-top:.5rem}.section-title{font-size:1rem;color:var(--text2);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.75rem;text-align:center}.lang-selector{width:100%}.lang-cards{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.lang-card{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--surface);border:2px solid rgba(255,255,255,.08);border-radius:var(--radius);color:var(--text);font-size:1rem;font-weight:600;cursor:pointer;transition:all 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#6c5ce7)}.mode-card:hover{transform:translateY(-3px);border-color:var(--accent, #6c5ce7);box-shadow:0 8px 30px #0000004d}.mode-icon{font-size:2.5rem;display:block;margin-bottom:.75rem}.mode-title{font-size:1.15rem;font-weight:700;margin:0 0 .3rem}.mode-desc{font-size:.85rem;color:var(--text2);margin:0}.game-screen{max-width:700px;width:100%;display:flex;flex-direction:column;gap:1.5rem}.game-header{display:flex;align-items:center;justify-content:space-between}.game-header h2{font-size:1.3rem;font-weight:700}.game-progress{background:var(--accent);color:#fff;padding:.3rem .75rem;border-radius:20px;font-size:.85rem;font-weight:700}.game-complete{text-align:center;padding:3rem 1rem}.complete-icon{font-size:4rem;margin-bottom:1rem}.game-complete h2{font-size:2rem;margin-bottom:.5rem}.game-complete 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0}.profile-avatar{font-size:4rem;background:var(--surface2);width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:3px solid var(--accent)}.profile-title{font-size:1.5rem;font-weight:700}.xp-bar-large{width:100%;max-width:400px;text-align:center}.xp-bar-track{width:100%;height:12px;background:var(--surface2);border-radius:6px;overflow:hidden}.xp-bar-fill-large{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2),var(--green2));border-radius:6px;transition:width .5s ease}.xp-bar-text{font-size:.85rem;color:var(--text2);margin-top:.35rem;display:block}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;width:100%;max-width:450px}.profile-stat{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:1rem;background:var(--surface);border-radius:var(--radius)}.profile-stat-value{font-size:1.8rem;font-weight:800;color:var(--accent2)}.profile-stat-label{font-size:.75rem;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;text-align:center}.achievement-toast{position:fixed;top:5rem;right:1.5rem;background:linear-gradient(135deg,#2d1b69,#1a1a2e);border:2px solid var(--yellow);border-radius:var(--radius-lg);padding:1rem 1.5rem;display:flex;align-items:center;gap:.75rem;z-index:200;animation:slideIn .4s ease,fadeOut .5s ease 2.5s forwards;box-shadow:0 8px 30px #fdcb6e4d}.achievement-toast-icon{font-size:2rem}.achievement-toast-title{font-size:.75rem;color:var(--yellow);text-transform:uppercase;letter-spacing:.1em}.achievement-toast-name{font-size:1.1rem;font-weight:700}.xp-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2rem;font-weight:800;color:var(--yellow);z-index:200;pointer-events:none;animation:xpFloat 1.5s ease forwards;text-shadow:0 0 20px rgba(253,203,110,.5)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{to{opacity:0;transform:translateY(-10px)}}@keyframes xpFloat{0%{transform:translate(-50%,-50%) scale(.5);opacity:0}20%{transform:translate(-50%,-50%) scale(1.2);opacity:1}to{transform:translate(-50%,-100%) scale(1);opacity:0}}@media(max-width:600px){.hero-title{font-size:2rem}.home-stats{grid-template-columns:repeat(2,1fr)}.mode-grid{grid-template-columns:1fr}.match-board{grid-template-columns:1fr;gap:.75rem}.match-divider{display:none}.timed-choices{grid-template-columns:1fr}.profile-stats{grid-template-columns:repeat(2,1fr)}.achievement-grid{grid-template-columns:1fr}}