@import "https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Outfit:wght@300;400;600;800&display=swap";:root{--bg-color:#06030e;--panel-bg:#0d081ea6;--border-color:#ffffff14;--neon-cyan:#00f0ff;--neon-pink:#ff007f;--neon-green:#39ff14;--neon-yellow:#ff0;--shadow-cyan:0 0 15px #00f0ff4d;--shadow-pink:0 0 15px #ff007f4d;--font-mono:"Share Tech Mono", monospace;--font-sans:"Outfit", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:#f8fafc;font-family:var(--font-sans);background-image:radial-gradient(circle at 10% 20%,#ff007f0d 0%,#0000 40%),radial-gradient(circle at 90% 80%,#00f0ff0d 0%,#0000 40%);min-height:100vh;position:relative;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:var(--neon-pink);border-radius:3px}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-top:1px solid #ffffff26;border-radius:16px;padding:24px;box-shadow:0 8px 32px #0006,inset 0 0 20px #00f0ff05}.app-container{flex-direction:column;width:100%;min-height:100vh;display:flex}.app-header{border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#06030ecc;justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.logo-section{align-items:center;gap:12px;display:flex}.logo-icon{color:var(--neon-pink);filter:drop-shadow(0 0 6px var(--neon-pink));animation:2s ease-in-out infinite pulse}.logo-title{font-family:var(--font-mono);letter-spacing:2px;color:var(--neon-cyan);text-shadow:0 0 8px #00f0ff80;font-size:22px;font-weight:800}.header-actions{align-items:center;gap:12px;display:flex}.header-btn{color:#f8fafc;font-size:13px;font-family:var(--font-mono);cursor:pointer;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;transition:all .2s;display:flex}.header-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);background:#00f0ff1a;box-shadow:0 0 10px #00f0ff33}.header-btn.logout:hover{border-color:var(--neon-pink);color:var(--neon-pink);background:#ff007f1a;box-shadow:0 0 10px #ff007f33}.main-content{flex:1;grid-template-columns:1.1fr .9fr;align-items:start;gap:24px;width:100%;max-width:1200px;margin:0 auto;padding:24px;display:grid}@media (width<=850px){.main-content{grid-template-columns:1fr;gap:16px;padding:16px}}.board-column{flex-direction:column;gap:16px;width:100%;display:flex}.stats-bar{font-family:var(--font-mono);letter-spacing:1px;justify-content:space-between;padding:12px 20px;font-size:14px;display:flex}.stats-item{align-items:center;gap:8px;display:flex}.stats-label{color:var(--neon-cyan);opacity:.8}.stats-val{color:#fff;font-weight:700}.controls-panel{flex-direction:column;gap:20px;display:flex}.function-row{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.action-btn{color:#94a3b8;cursor:pointer;font-family:var(--font-mono);letter-spacing:1px;background:#ffffff08;border:1px solid #ffffff14;border-radius:8px;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;font-size:10px;transition:all .2s;display:flex}.action-btn:hover{color:#fff;background:#ffffff14;border-color:#fff3}.action-btn.active{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:var(--shadow-cyan);background:#00f0ff1a}.action-btn.erase:hover{border-color:var(--neon-pink);color:var(--neon-pink);background:#ff007f0d}.action-btn.hint:hover{border-color:var(--neon-green);color:var(--neon-green);background:#39ff140d}.number-pad{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.number-btn{color:var(--neon-cyan);text-shadow:0 0 4px #00f0ff33;font-family:var(--font-mono);cursor:pointer;background:#0d081ecc;border:1px solid #ffffff14;border-radius:12px;padding:16px 0;font-size:28px;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1)}.number-btn:hover{background:var(--neon-cyan);color:#06030e;border-color:var(--neon-cyan);transform:translateY(-2px);box-shadow:0 0 15px #00f0ff66}.number-btn:active{transform:translateY(0)}.difficulty-controls{border-top:1px solid var(--border-color);flex-direction:column;gap:12px;padding-top:16px;display:flex}.diff-label{font-family:var(--font-mono);color:#94a3b8;letter-spacing:1px;font-size:12px}.diff-val{color:var(--neon-cyan);font-weight:700}.diff-buttons{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.diff-btn{color:#94a3b8;cursor:pointer;font-family:var(--font-mono);background:#ffffff08;border:1px solid #ffffff14;border-radius:6px;padding:8px 4px;font-size:11px;transition:all .2s}.diff-btn:hover{color:#fff;background:#ffffff14}.diff-btn.easy:hover{border-color:var(--neon-cyan);color:var(--neon-cyan)}.diff-btn.medium:hover{border-color:var(--neon-green);color:var(--neon-green)}.diff-btn.hard:hover{border-color:var(--neon-yellow);color:var(--neon-yellow)}.diff-btn.expert:hover{border-color:var(--neon-pink);color:var(--neon-pink)}.sync-manager-panel{flex-direction:column;gap:20px;display:flex}.status-banner{border:1px solid var(--border-color);background:#0003;border-radius:12px;align-items:center;gap:16px;padding:16px;display:flex}.status-banner.online{border-left:4px solid var(--neon-cyan)}.status-banner.offline{border-left:4px solid var(--neon-pink)}.status-indicator{border-radius:50%;width:10px;height:10px}.online .status-indicator{background:var(--neon-cyan);box-shadow:0 0 8px var(--neon-cyan)}.offline .status-indicator{background:var(--neon-pink);box-shadow:0 0 8px var(--neon-pink)}.status-info{flex:1}.status-label{font-family:var(--font-mono);letter-spacing:1px;color:#94a3b8;font-size:11px}.status-user{margin-top:2px;font-size:13px;font-weight:600}.sync-trigger-btn{border:1px solid var(--neon-cyan);color:var(--neon-cyan);font-family:var(--font-mono);cursor:pointer;background:#00f0ff1a;border-radius:6px;align-items:center;gap:6px;padding:8px 12px;font-size:11px;transition:all .2s;display:flex}.sync-trigger-btn:hover{background:var(--neon-cyan);color:#06030e;box-shadow:var(--shadow-cyan)}.sync-trigger-btn.syncing .sync-icon{animation:1.2s linear infinite spin}.sync-err{font-family:var(--font-mono);color:#f05;background:#ff00551a;border:1px solid #f053;border-radius:8px;padding:10px 14px;font-size:11px}.matches-section{flex-direction:column;gap:12px;display:flex}.section-title{font-family:var(--font-mono);color:#94a3b8;letter-spacing:1.5px;align-items:center;gap:8px;font-size:12px;display:flex}.title-icon{color:var(--neon-cyan)}.empty-matches{text-align:center;border:1px dashed var(--border-color);color:#64748b;background:#ffffff05;border-radius:12px;flex-direction:column;align-items:center;gap:12px;padding:40px 20px;display:flex}.empty-icon{opacity:.4}.matches-list{flex-direction:column;gap:12px;max-height:280px;padding-right:4px;display:flex;overflow-y:auto}.match-card{border:1px solid var(--border-color);background:#ffffff05;border-radius:10px;flex-direction:column;gap:10px;padding:14px;transition:all .2s;display:flex}.match-card:hover{background:#ffffff0a;border-color:#ffffff26}.match-header{justify-content:space-between;align-items:center;display:flex}.difficulty-badge{font-family:var(--font-mono);border-radius:4px;padding:2px 8px;font-size:10px;font-weight:700}.difficulty-badge.easy{color:var(--neon-cyan);background:#00f0ff26}.difficulty-badge.medium{color:var(--neon-green);background:#39ff1426}.difficulty-badge.hard{color:var(--neon-yellow);background:#ffff0026}.difficulty-badge.expert{color:var(--neon-pink);background:#ff007f26}.match-status-text{font-family:var(--font-mono);color:var(--neon-cyan);font-size:11px}.progress-bar-container{background:#ffffff0d;border-radius:2px;height:4px;overflow:hidden}.progress-bar-fill{background:var(--neon-cyan);height:100%;box-shadow:0 0 6px var(--neon-cyan)}.completed .progress-bar-fill{background:var(--neon-green);box-shadow:0 0 6px var(--neon-green)}.match-details{gap:16px;display:flex}.detail-item{color:#64748b;align-items:center;gap:6px;font-size:11px;display:flex}.item-icon{opacity:.7}.match-actions{gap:10px;margin-top:4px;display:flex}.load-match-btn{color:#fff;font-family:var(--font-mono);cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;flex:1;padding:8px 0;font-size:12px;transition:all .2s}.load-match-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);background:#00f0ff1a}.delete-match-btn{color:#f05;cursor:pointer;background:#ff005514;border:1px solid #ff005526;border-radius:6px;padding:8px 12px;transition:all .2s}.delete-match-btn:hover{color:#fff;background:#f05}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.win-overlay{z-index:200;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#06030ee6;flex-direction:column;justify-content:center;align-items:center;gap:20px;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.win-title{font-family:var(--font-mono);color:var(--neon-green);text-shadow:0 0 15px var(--neon-green);letter-spacing:4px;font-size:40px;font-weight:900}.win-stats{font-family:var(--font-mono);color:#94a3b8;text-align:center;flex-direction:column;gap:8px;font-size:16px;display:flex}.win-btn{background:var(--neon-green);color:#06030e;font-family:var(--font-mono);cursor:pointer;box-shadow:0 0 20px var(--neon-green);border:none;border-radius:8px;padding:12px 32px;font-size:14px;font-weight:700;transition:all .2s}.win-btn:hover{background:#fff;box-shadow:0 0 25px #fff}@media (width<=480px){.main-content{gap:12px;padding:12px}.board-column{gap:12px}.app-header{padding:12px 16px}.logo-title{letter-spacing:1px;font-size:18px}.header-actions{gap:8px}.header-btn{padding:6px 12px;font-size:11px}.glass-panel{border-radius:12px;padding:12px}.stats-bar{padding:8px 12px;font-size:11px}.function-row{gap:6px}.action-btn{letter-spacing:.5px;padding:10px 4px;font-size:9px}.action-btn .icon{width:16px;height:16px}.number-pad{gap:8px}.number-btn{border-radius:8px;padding:10px 0;font-size:22px}.diff-buttons{gap:4px}.diff-btn{padding:6px 2px;font-size:9px}.status-banner{flex-wrap:wrap;gap:8px;padding:10px}.status-info{min-width:150px}.sync-trigger-btn{padding:6px 10px;font-size:10px}.win-title{letter-spacing:2px;font-size:22px}.win-stats{font-size:12px}.win-btn{padding:10px 20px;font-size:12px}}@media (width<=360px),(height<=640px){.main-content{gap:8px;padding:8px}.board-column{gap:8px}.app-header{padding:8px 12px}.logo-title{letter-spacing:.5px;font-size:16px}.header-btn{padding:4px 8px;font-size:10px}.glass-panel{border-radius:8px;padding:8px}.stats-bar{letter-spacing:.5px;padding:6px 8px;font-size:10px}.controls-panel{gap:10px}.function-row{gap:4px}.action-btn{letter-spacing:0;padding:8px 2px;font-size:8px}.action-btn .icon{width:14px;height:14px}.number-pad{gap:6px}.number-btn{border-radius:6px;padding:8px 0;font-size:18px}.difficulty-controls{gap:6px;padding-top:8px}.diff-btn{padding:4px 2px;font-size:8px}.status-banner{gap:6px;padding:8px}}@media (width>=568px) and (height<=480px){.main-content{grid-template-columns:1.1fr .9fr;align-items:stretch;gap:12px;padding:8px 12px}.glass-panel{border-radius:8px;padding:8px 12px}.sidebar-column{gap:12px!important}}.home-container{flex-direction:column;gap:24px;width:100%;max-width:1200px;margin:0 auto;padding:24px;display:flex}.home-hero{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:40px;display:flex}.hero-logo{margin-bottom:8px;animation:2.5s ease-in-out infinite pulse}.hero-title{font-family:var(--font-mono);letter-spacing:3px;color:var(--neon-cyan);text-shadow:0 0 10px #00f0ff80;margin:0;font-size:28px}.hero-subtitle{color:#94a3b8;text-transform:uppercase;letter-spacing:2px;margin:0;font-size:13px}.home-grid{grid-template-columns:1fr 1fr;align-items:start;gap:24px;display:grid}.continue-btn{width:100%;font-family:var(--font-mono);letter-spacing:1.5px;color:#06030e;background:var(--neon-green);cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:10px;margin-bottom:24px;padding:16px;font-size:14px;font-weight:700;transition:all .2s;display:flex;box-shadow:0 0 15px #39ff144d}.continue-btn:hover{background:#fff;transform:translateY(-2px);box-shadow:0 0 20px #fff}.continue-btn:active{transform:translateY(0)}.difficulty-launcher{flex-direction:column;gap:16px;display:flex}.launcher-desc{color:#94a3b8;font-size:13px;font-family:var(--font-mono);margin:0}.difficulty-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.diff-launch-btn{border:1px solid var(--border-color);cursor:pointer;background:#ffffff05;border-radius:12px;flex-direction:column;align-items:center;gap:8px;padding:20px 16px;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.diff-launch-btn:hover{background:#ffffff0d;transform:translateY(-2px)}.diff-launch-btn:active{transform:translateY(0)}.diff-launch-btn .diff-title{font-family:var(--font-mono);letter-spacing:1px;font-size:16px;font-weight:700}.diff-launch-btn.easy .diff-title{color:var(--neon-cyan)}.diff-launch-btn.medium .diff-title{color:var(--neon-green)}.diff-launch-btn.hard .diff-title{color:var(--neon-yellow)}.diff-launch-btn.expert .diff-title{color:var(--neon-pink)}.diff-launch-btn.easy:hover{border-color:var(--neon-cyan);box-shadow:0 0 15px #00f0ff33}.diff-launch-btn.medium:hover{border-color:var(--neon-green);box-shadow:0 0 15px #39ff1433}.diff-launch-btn.hard:hover{border-color:var(--neon-yellow);box-shadow:0 0 15px #ff03}.diff-launch-btn.expert:hover{border-color:var(--neon-pink);box-shadow:0 0 15px #ff007f33}.diff-launch-btn .diff-desc{color:#64748b;font-size:11px}@media (width<=850px){.home-grid{grid-template-columns:1fr;gap:16px}}@media (width<=480px){.home-container{gap:12px;padding:12px}.home-hero{gap:12px;padding:24px 16px}.hero-title{letter-spacing:1.5px;font-size:20px}.hero-subtitle{letter-spacing:1px;font-size:11px}.diff-launch-btn{padding:14px 10px}.diff-launch-btn .diff-title{font-size:14px}.diff-launch-btn .diff-desc{font-size:10px}}@media (width<=360px),(height<=640px){.home-container{gap:8px;padding:8px}.home-hero{gap:8px;padding:16px 8px}.hero-title{letter-spacing:1px;font-size:16px}.hero-subtitle{letter-spacing:1px;font-size:9px}.continue-btn{margin-bottom:12px;padding:12px;font-size:12px}.difficulty-launcher,.difficulty-grid{gap:10px}.diff-launch-btn{border-radius:8px;padding:10px 6px}}