@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap";
:root{--primary-dark:#0a1929;--primary-blue:#1e3a5f;--accent-blue:#2563eb;--accent-cyan:#06b6d4;--accent-purple:#8b5cf6;--text-light:#e2e8f0;--text-dim:#94a3b8;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--card-bg:#1e3a5f66;--card-border:#2563eb4d}
[data-theme="light"]{--primary-dark:#f8fafc;--primary-blue:#e0e7ff;--accent-blue:#2563eb;--accent-cyan:#0891b2;--accent-purple:#7c3aed;--text-light:#1e293b;--text-dim:#64748b;--success:#059669;--warning:#d97706;--error:#dc2626;--card-bg:#ffffffe6;--card-border:#2563eb33}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.6;color:var(--text-light);background:linear-gradient(135deg,#0a1929 0%,#1e3a5f 50%,#0f2847 100%);background-attachment:fixed;min-height:100vh;overflow-x:hidden;transition:background .3s ease,color .3s ease}
[data-theme="light"] body{background:linear-gradient(135deg,#e0e7ff 0%,#c7d2fe 50%,#ddd6fe 100%)}
[data-theme="light"] .game-stats{background:#fffc}
[data-theme="light"] .key-btn.key-backspace{background:#9E9E9E;border-color:#607D8B}
[data-theme="light"] .key-btn .key-backspace:hover{background:red;border-color:var(--error)}
.background-pattern{position:fixed;top:0;left:0;width:100%;height:100%;opacity:.03;background-image:repeating-linear-gradient(45deg,transparent,transparent 35px,var(--accent-blue) 35px,var(--accent-blue) 36px),repeating-linear-gradient(-45deg,transparent,transparent 35px,var(--accent-cyan) 35px,var(--accent-cyan) 36px);pointer-events:none;z-index:0}
.container{max-width:1400px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
header{background:#0a1929f2;backdrop-filter:blur(20px);padding:.2rem 0;box-shadow:0 4px 30px #0000004d;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--card-border)}
.header-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.logo{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-blue) 50%,var(--accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.03em;text-decoration:none;display:flex;align-items:center;gap:.5rem;transition:transform .3s ease}
.logo:hover{transform:scale(1.05)}
.logo-icon{font-size:2.2rem;filter:none}
.nav-menu{display:flex;gap:1.5rem;align-items:center}
.nav-link{text-decoration:none;color:var(--text-dim);font-weight:500;font-size:.95rem;transition:all .3s ease;padding:.5rem 1rem;border-radius:8px;position:relative}
.nav-link:hover{background:#2563eb33;color:var(--accent-cyan)}
.nav-link.active{background:#2563eb4d;color:var(--accent-cyan);font-weight:600}
.theme-toggle{background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-light);padding:.5rem 1rem;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:1.2rem}
.theme-toggle:hover{background:#2563eb4d;transform:scale(1.1)}
.game-section{padding:1rem 0;margin:1rem 0}
.game-header{text-align:center;margin-bottom:1rem}
.game-title{font-size:clamp(2.5rem,5vw,4rem);margin-bottom:1rem;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-blue) 50%,var(--accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800;letter-spacing:-.02em;text-shadow:0 0 30px #2563eb4d}
.game-subtitle{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--text-dim);font-weight:400}
.game-board{max-width:800px;margin:0 auto;background:var(--card-bg);backdrop-filter:blur(20px);border-radius:24px;padding:clamp(2rem,4vw,3rem);box-shadow:0 20px 60px #0006 0 0 0 1px var(--card-border);border:1px solid var(--card-border);position:relative;overflow:hidden}
.game-board::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent-cyan),transparent)}
.puzzle-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}
.puzzle-date{font-size:1rem;color:var(--accent-cyan);font-weight:600;display:flex;align-items:center;gap:.5rem}
.difficulty-badge{background:#2563eb33;color:var(--accent-cyan);padding:.4rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;border:1px solid var(--card-border)}
.clue-container{background:#06b6d41a;border-radius:16px;padding:2rem;margin-bottom:2rem;text-align:center;border:1px solid #06b6d433;position:relative}
.clue-container::before{content:'"';position:absolute;top:-10px;left:20px;font-size:4rem;color:var(--accent-cyan);opacity:.3;font-family:Georgia,serif}
.clue-text{font-size:clamp(1.2rem,2.5vw,1.5rem);color:var(--text-light);font-weight:500;line-height:1.6;margin-bottom:1rem}
.clue-info{font-size:1rem;color:var(--text-dim);font-style:italic}
.answer-section{margin:2rem 0}
.answer-display{font-family:'JetBrains Mono','Courier New',monospace;display:flex;justify-content:center;align-items:center;gap:clamp(0.3rem,1vw,0.6rem);margin:2rem 0;flex-wrap:wrap}
.letter-slot{width:clamp(2.5rem,6vw,3.5rem);height:clamp(3rem,7vw,4rem);border:2px solid #2563eb4d;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#0a192999;font-size:clamp(1.5rem,4vw,2.2rem);font-weight:700;color:var(--text-light);transition:all .3s ease;cursor:pointer;position:relative;box-shadow:0 4px 15px #0003}
.letter-slot:hover{border-color:var(--accent-cyan);transform:translateY(-2px);box-shadow:0 6px 20px #06b6d44d}
.letter-slot.filled{background:#2563eb33;border-color:var(--accent-blue);color:var(--accent-cyan)}
.letter-slot.revealed{background:#f59e0b33;border-color:var(--warning);color:var(--warning);animation:revealPulse .6s ease}
.letter-slot.current{border-color:var(--accent-cyan);box-shadow:0 0 0 3px #06b6d44d 0 6px 20px #06b6d466;animation:pulse 2s infinite}
@keyframes pulse {
0%,100%{box-shadow:0 0 0 3px #06b6d44d}
50%{box-shadow:0 0 0 6px #06b6d433}
}
@keyframes revealPulse {
0%{transform:scale(1)}
50%{transform:scale(1.1)}
100%{transform:scale(1)}
}
.virtual-keyboard{margin:2rem auto;max-width:650px}
.keyboard-row{display:flex;justify-content:center;gap:clamp(0.3rem,1vw,0.5rem);margin-bottom:clamp(0.4rem,1vw,0.6rem)}
.key-btn{min-width:clamp(2rem,5vw,2.8rem);height:clamp(2.5rem,6vw,3.2rem);background:#1e3a5f99;border:1px solid #2563eb4d;border-radius:8px;font-size:clamp(0.85rem,2vw,1.05rem);font-weight:600;color:var(--text-light);cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace}
.key-btn:hover{background:#2563eb4d;border-color:var(--accent-cyan);transform:translateY(-2px);box-shadow:0 4px 15px #06b6d44d}
.key-btn:active{transform:translateY(0) scale(0.95)}
.key-btn.key-backspace{min-width:clamp(3rem,7vw,4rem);background:#173050;font-size:2em;border-color:#1c323d}
.key-btn.key-backspace:hover{background:#ef44444d;border-color:var(--error)}
.control-buttons{display:flex;gap:1rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}
.control-btn{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-purple) 100%);color:#fff;border:none;padding:.9rem 2rem;font-size:1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #2563eb4d;position:relative;overflow:hidden}
.control-btn::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,#fff3,transparent);transition:left .5s}
.control-btn:hover::before{left:100%}
.control-btn:hover{transform:translateY(-3px);box-shadow:0 8px 25px #2563eb80}
.control-btn:active{transform:translateY(-1px)}
.control-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.control-btn.secondary{background:#2563eb33;color:var(--accent-cyan);border:1px solid var(--card-border)}
.control-btn.hint-btn{background:#f59e0b33;color:var(--warning);border:1px solid #f59e0b4d}
.control-btn.hint-btn:hover{background:#f59e0b4d}
.timer-section{display:flex;justify-content:center;align-items:center;gap:1rem;margin:1rem 0;padding:1rem;background:#06b6d41a;border-radius:12px;border:1px solid #06b6d433}
.timer{font-family:'JetBrains Mono',monospace;font-size:1.8rem;font-weight:700;color:var(--accent-cyan);text-shadow:0 0 10px #06b6d480}
.game-message{margin-top:1.5rem;padding:1.2rem;border-radius:12px;font-weight:500;text-align:center;display:none;animation:slideIn .3s ease}
@keyframes slideIn {
from{opacity:0;transform:translateY(-10px)}
to{opacity:1;transform:translateY(0)}
}
.message-success{background:#10b98133;color:var(--success);border:2px solid #10b98166}
.message-hint{background:#f59e0b33;color:var(--warning);border:2px solid #f59e0b66}
.message-error{background:#ef444433;color:var(--error);border:2px solid #ef444466}
.game-explanation{margin-top:2rem;padding:2rem;background:#06b6d41a;border-radius:16px;border:1px solid #06b6d433;display:none}
.explanation-title{font-size:1.4rem;font-weight:700;color:var(--accent-cyan);margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem}
.explanation-content{color:var(--text-light);line-height:1.8}
.explanation-bullets{list-style:none;margin-left:0}
.explanation-bullets li{position:relative;margin-bottom:1rem;padding-left:2rem;font-size:1.05rem}
.explanation-bullets li::before{content:"→";color:var(--accent-cyan);font-weight:700;position:absolute;left:0;font-size:1.2rem}
.game-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;background:#0a192999;border-radius:16px;padding:2rem;margin-top:2rem;border:1px solid var(--card-border)}
.stat-item{text-align:center;padding:1rem;background:#2563eb1a;border-radius:12px;transition:transform .3s ease}
.stat-item:hover{transform:translateY(-5px)}
.stat-number{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.85rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;margin-top:.5rem}
.content-section{background:var(--card-bg);backdrop-filter:blur(20px);border-radius:24px;margin:3rem 0;padding:4rem 0;box-shadow:0 20px 60px #0006;border:1px solid var(--card-border)}
.content-wrapper{max-width:900px;margin:0 auto;padding:0 2rem}
.content-title{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:2rem;text-align:center;background:linear-gradient(135deg,var(--accent-cyan) 0%,var(--accent-purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}
.content-text{font-size:1.1rem;line-height:1.9;margin-bottom:1.5rem;color:var(--text-light)}
.section-heading{font-size:1.8rem;font-weight:600;margin:2.5rem 0 1.5rem;color:var(--accent-cyan);border-left:4px solid var(--accent-cyan);padding-left:1rem}
.progress-bar{width:100%;height:8px;background:#0a192999;border-radius:10px;overflow:hidden;margin:1rem 0}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-purple));transition:width .5s ease;border-radius:10px}
footer{background:#0a1929f2;backdrop-filter:blur(20px);color:var(--text-light);padding:3rem 0 1.5rem;margin-top:4rem;border-top:1px solid var(--card-border)}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h4{font-size:1.2rem;font-weight:600;margin-bottom:1rem;color:var(--accent-cyan)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.8rem}
.footer-links a{color:var(--text-dim);text-decoration:none;font-size:.95rem;transition:color .3s ease}
.footer-links a:hover{color:var(--accent-cyan)}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--card-border);color:var(--text-dim);font-size:.9rem}
.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:none;justify-content:center;align-items:center;z-index:1000;backdrop-filter:blur(5px);animation:fadeIn .3s ease}
.modal-overlay.active{display:flex}
@keyframes fadeIn {
from{opacity:0}
to{opacity:1}
}
.modal{background:var(--card-bg);backdrop-filter:blur(20px);border-radius:24px;padding:2rem;max-width:500px;width:90%;border:2px solid var(--card-border);box-shadow:0 25px 50px #00000080;animation:slideUp .4s ease;position:relative}
@keyframes slideUp {
from{opacity:0;transform:translateY(30px)}
to{opacity:1;transform:translateY(0)}
}
.modal-close{position:absolute;top:1rem;right:1rem;background:#ef444433;border:1px solid #ef444466;color:var(--error);width:2.5rem;height:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.5rem;transition:all .3s ease}
.modal-close:hover{background:#ef444466;transform:rotate(90deg)}
.modal-icon{font-size:3rem;text-align:center;margin-bottom:.5rem;animation:bounce .6s ease}
@keyframes bounce {
0%,100%{transform:translateY(0)}
50%{transform:translateY(-20px)}
}
.modal-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:1rem;background:linear-gradient(135deg,var(--success) 0%,var(--accent-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.modal-content{text-align:center;color:var(--text-light);line-height:1.8}
.modal-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1rem 0;padding:.5rem;background:#06b6d41a;border-radius:12px;border:1px solid #06b6d433}
.modal-stat-item{text-align:center}
.modal-stat-label{font-size:.9rem;color:var(--text-dim);margin-bottom:.5rem}
.modal-stat-value{font-size:1.8rem;font-weight:700;color:var(--accent-cyan)}
.mode-selector{display:flex;gap:1rem;justify-content:center;margin:2rem 0;flex-wrap:wrap}
.mode-btn{background:var(--card-bg);border:2px solid var(--card-border);color:var(--text-light);padding:.8rem 1.5rem;border-radius:12px;cursor:pointer;transition:all .3s ease;font-weight:600}
.mode-btn:hover{border-color:var(--accent-cyan);transform:translateY(-2px)}
.mode-btn.active{background:linear-gradient(135deg,var(--accent-blue) 0%,var(--accent-purple) 100%);border-color:var(--accent-cyan);color:#fff}
@media (max-width: 768px) {
.header-content{justify-content:center}
.nav-menu{order:3;width:100%;justify-content:center}
.game-board{padding:2rem 1.5rem}
.answer-display{gap:.4rem}
.control-buttons{flex-direction:column;align-items:stretch}
.control-btn{width:100%}
.key-btn.key-backspace{font-size:1.8rem;}
}
@media (max-width: 480px) {
.logo{font-size:1.5rem}
.game-board{padding:1.5rem 1rem}
.letter-slot{gap:.2rem}
}
[data-theme="light"] header{background:#ffffffd9;border-bottom-color:#0759850f;box-shadow:0 6px 18px #0f172a0a;color:var(--text-light)}
[data-theme="light"] .logo{-webkit-text-fill-color:unset;filter:none;color:var(--text-light);background:none}
[data-theme="light"] .game-board{background:var(--card-bg);border:1px solid #0f172a0f;box-shadow:0 10px 30px #0f172a0f;color:var(--text-light)}
[data-theme="light"] .letter-slot{background:#ffffffe6;border-color:#0f172a0f;color:var(--text-light);box-shadow:0 6px 18px #0f172a0a}
[data-theme="light"] .letter-slot.filled{background:#2563eb0f;color:var(--accent-blue);border-color:#2563eb1f}
[data-theme="light"] .letter-slot.revealed{background:#f59e0b12;color:var(--warning);border-color:#f59e0b1f}
[data-theme="light"] .key-btn{background:#ffffffe6;border-color:#0f172a0f;color:var(--text-light)}
[data-theme="light"] .key-btn:hover{background:#2563eb0f;color:var(--accent-cyan)}
[data-theme="light"] .key-btn.key-backspace{background:#f3f4f6;border-color:#0f172a0f}
[data-theme="light"] .modal{background:var(--card-bg);border-color:#0f172a0d;color:var(--text-light)}
[data-theme="light"] .game-stats{background:#fffffff2;border-color:#0f172a0a}
@media (max-width: 600px) {
.key-btn{min-width:3.8rem;height:3.8rem;font-size:1.05rem;border-radius:10px}
.keyboard-row{gap:.5rem;padding:0 .5rem;flex-wrap:wrap}
.header-content{flex-direction:column;align-items:center;gap:.5rem}
.nav-menu{width:100%;justify-content:center;gap:.8rem}
.logo{font-size:1.6rem}
.game-board{padding:1rem;border-radius:16px}
.letter-slot{width:3.6rem;height:4.2rem;font-size:1.6rem}
.control-buttons{gap:.6rem}
.control-btn{padding:.9rem;font-size:.95rem}
.progress-bar{height:10px}
}
@media (max-width: 420px) {
.letter-slot{width:3rem;height:3.8rem;font-size:1.4rem}
.key-btn{min-width:3.2rem;height:3.2rem;font-size:1rem}
}
.hint-popup{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(100%);background:#2563ebf2;color:#fff;padding:1rem 1.4rem;border-radius:12px;font-size:1.1rem;box-shadow:0 8px 25px #00000040;z-index:9999;opacity:0;transition:opacity .3s ease,transform .3s ease;max-width:90%;text-align:center}
.hint-popup.visible{opacity:1;transform:translateX(-50%) translateY(0)}
[data-theme="light"] .hint-popup{background:#3b82f6e6;color:#fff}
@media (max-width: 500px) {
.hint-popup{font-size:1rem;padding:.8rem 1.2rem;bottom:15px}
}