:root{--bg-primary: #0a0e1a;--bg-secondary: #0f1419;--bg-elevated: #141824;--bg-glass: rgba(20, 24, 36, .7);--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-tertiary: #22c55e;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #22c55e 100%);--success: #22c55e;--success-glow: rgba(34, 197, 94, .3);--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-disabled: #64748b;--border-primary: rgba(148, 163, 184, .12);--border-secondary: rgba(148, 163, 184, .08);--border-accent: rgba(99, 102, 241, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-xl: 0 12px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 24px rgba(99, 102, 241, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:radial-gradient(ellipse at top,#1e293b,#0a0e1a,#000);background-attachment:fixed;color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 30%,rgba(99,102,241,.08) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(139,92,246,.08) 0%,transparent 50%),radial-gradient(circle at 50% 50%,rgba(34,197,94,.05) 0%,transparent 50%);pointer-events:none;z-index:0;animation:pulseGlow 8s ease-in-out infinite alternate}@keyframes pulseGlow{0%,to{opacity:.6}50%{opacity:1}}.app-header{position:relative;max-width:1200px;margin:var(--space-xl) auto var(--space-lg);padding:var(--space-lg);border-radius:var(--radius-xl);background:var(--bg-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border-primary);box-shadow:var(--shadow-lg),inset 0 1px #ffffff0d;display:flex;gap:var(--space-lg);align-items:center;justify-content:space-between;z-index:10;overflow:hidden}.app-header:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(99,102,241,.5) 20%,rgba(139,92,246,.5) 50%,rgba(34,197,94,.5) 80%,transparent 100%)}.app-header-main{flex:1}.app-header-main h1{font-size:clamp(1.5rem,3vw,2rem);font-weight:700;letter-spacing:-.03em;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--space-xs);animation:shimmer 3s ease-in-out infinite;background-size:200% 100%}@keyframes shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.app-header-main p{color:var(--text-secondary);font-size:.95rem;font-weight:400}.profile-box{padding:var(--space-md);border-radius:var(--radius-lg);background:#14182480;border:1px solid var(--border-secondary);min-width:280px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.profile-box label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs)}.profile-row{display:flex;gap:var(--space-sm);margin-bottom:var(--space-xs)}.profile-box small{display:block;color:var(--text-muted);font-size:.7rem;line-height:1.4}input[type=text],input[type=search],select{width:100%;border-radius:var(--radius-full);border:1px solid var(--border-primary);padding:10px 16px;background:#0f141999;color:var(--text-primary);font-size:.9rem;font-weight:400;outline:none;transition:all var(--transition-base)}input::placeholder{color:var(--text-disabled)}input:hover,select:hover{border-color:#94a3b833;background:#0f1419cc}input:focus,select:focus{border-color:var(--accent-primary);background:#0f1419e6;box-shadow:0 0 0 3px #6366f11a,var(--shadow-sm);transform:translateY(-1px)}button{border:none;cursor:pointer;font-size:.9rem;font-weight:500;transition:all var(--transition-base);font-family:inherit}button:active{transform:translateY(1px)!important}#profileButton{padding:10px 18px;border-radius:var(--radius-full);background:var(--accent-gradient);color:#fff;white-space:nowrap;box-shadow:var(--shadow-md)}#profileButton:hover{box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-2px)}.app-main{position:relative;max-width:1200px;margin:0 auto var(--space-xl);padding:0 var(--space-md);z-index:10}.controls{margin-bottom:var(--space-lg);padding:var(--space-lg);border-radius:var(--radius-xl);background:var(--bg-glass);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border-primary);box-shadow:var(--shadow-md),inset 0 1px #ffffff0d;display:flex;flex-direction:column;gap:var(--space-md)}.control-row{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:flex-end}.control-group{flex:1;min-width:200px}.control-group label,.control-group .label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:var(--space-xs)}.chip-row{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.chip{display:inline-flex;align-items:center;gap:var(--space-sm);padding:8px 14px;border-radius:var(--radius-full);background:#14182480;border:1px solid var(--border-primary);color:var(--text-secondary);font-size:.85rem;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all var(--transition-base);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chip:hover{background:#1e222eb3;border-color:var(--border-accent);transform:translateY(-1px)}.chip input{margin:0;cursor:pointer;width:16px;height:16px;accent-color:var(--accent-primary)}.chip input:checked{background:var(--accent-primary)}.chip:has(input:checked){background:#6366f126;border-color:var(--accent-primary);color:var(--text-primary);box-shadow:0 0 12px #6366f133}.control-group small{display:block;color:var(--text-muted);font-size:.75rem;margin-top:var(--space-xs);line-height:1.4}#refreshButton{padding:10px 20px;border-radius:var(--radius-full);background:var(--accent-gradient);color:#fff;font-weight:600;box-shadow:var(--shadow-md);position:relative;overflow:hidden}#refreshButton:before{content:"↻";margin-right:6px;display:inline-block;transition:transform var(--transition-base)}#refreshButton:hover:before{transform:rotate(180deg)}#refreshButton:hover{box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-2px)}.status-bar{margin-bottom:var(--space-md);display:flex;flex-wrap:wrap;gap:var(--space-md);font-size:.85rem;color:var(--text-muted);padding:var(--space-sm)}.status-bar span{display:flex;align-items:center;gap:var(--space-xs)}.status-bar span:not(:last-child):after{content:"•";margin-left:var(--space-sm);color:var(--border-primary)}.contest-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg);animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.contest-card{position:relative;display:flex;flex-direction:column;justify-content:space-between;padding:var(--space-lg);border-radius:var(--radius-lg);background:var(--bg-glass);-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border-primary);box-shadow:var(--shadow-md);transition:all var(--transition-slow);overflow:hidden;animation:slideUp .4s ease-out backwards}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.contest-card:nth-child(1){animation-delay:.05s}.contest-card:nth-child(2){animation-delay:.1s}.contest-card:nth-child(3){animation-delay:.15s}.contest-card:nth-child(4){animation-delay:.2s}.contest-card:nth-child(5){animation-delay:.25s}.contest-card:nth-child(6){animation-delay:.3s}.contest-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent-gradient);opacity:0;transition:opacity var(--transition-base)}.contest-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-xl),var(--shadow-glow);border-color:var(--border-accent)}.contest-card:hover:before{opacity:1}.contest-main{margin-bottom:var(--space-md)}.contest-title{font-size:1.1rem;font-weight:600;letter-spacing:-.01em;margin-bottom:var(--space-sm);color:var(--text-primary);line-height:1.3}.contest-prize{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.contest-meta{margin-top:var(--space-md);display:flex;flex-wrap:wrap;gap:var(--space-sm)}.badge{display:inline-flex;align-items:center;border-radius:var(--radius-full);padding:4px 12px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;line-height:1;border:1px solid;transition:all var(--transition-base)}.badge-source{border-color:#6366f166;background:#6366f11a;color:#a5b4fc}.badge-source:hover{background:#6366f133;box-shadow:0 0 12px #6366f14d}.badge-category{border-color:#8b5cf666;background:#8b5cf61a;color:#c4b5fd;display:none}.badge-deadline{display:none}.badge-deadline.has-value{display:inline-flex;border-color:#22c55e66;background:#22c55e1a;color:#86efac}.badge-deadline.has-value:before{content:"⏱";margin-right:4px}.contest-actions{display:flex;gap:var(--space-sm);margin-top:var(--space-md)}.btn-primary{flex:1;padding:12px 18px;border-radius:var(--radius-full);background:var(--accent-gradient);color:#fff;font-size:.9rem;font-weight:600;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn-primary:hover:before{width:300px;height:300px}.btn-primary:hover{box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-2px)}.btn-secondary{flex:1;padding:12px 18px;border-radius:var(--radius-full);background:#6366f114;color:var(--text-secondary);font-size:.9rem;font-weight:600;border:1px solid rgba(99,102,241,.3);transition:all var(--transition-base)}.btn-secondary:hover{background:#6366f126;border-color:var(--accent-primary);color:var(--text-primary);transform:translateY(-2px);box-shadow:0 0 12px #6366f133}.btn-secondary.is-joined{background:#22c55e1a;border-color:#22c55e80;color:#86efac;box-shadow:0 0 12px var(--success-glow)}.btn-secondary.is-joined:before{content:"✓ ";font-weight:700}.btn-secondary.is-joined:hover{background:#22c55e26;border-color:var(--success)}.empty-state{grid-column:1 / -1;text-align:center;padding:var(--space-xl);color:var(--text-muted);font-size:1.1rem;background:var(--bg-glass);border-radius:var(--radius-lg);border:1px dashed var(--border-primary)}@media(max-width:768px){:root{--space-lg: 16px;--space-xl: 24px}.app-header{flex-direction:column;align-items:stretch}.profile-box{width:100%;min-width:0}.control-row{flex-direction:column}.control-group{width:100%;min-width:0}.contest-list{grid-template-columns:1fr;gap:var(--space-md)}.app-header-main h1{font-size:1.5rem}}@media(max-width:480px){.contest-actions,.chip-row{flex-direction:column}.chip{width:100%;justify-content:center}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:#94a3b84d;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#94a3b880}::selection{background:#6366f14d;color:var(--text-primary)}