:root{--bg: #191a1f;--bg-secondary: #1e1f25;--bg-card: rgba(255,255,255,.03);--bg-card-hover: rgba(255,255,255,.06);--glass: rgba(255,255,255,.05);--glass-border: rgba(255,255,255,.08);--primary: #4ade80;--primary-dim: rgba(74,222,128,.15);--primary-glow: rgba(74,222,128,.3);--text: #f0f0f0;--text-secondary: #9ca3af;--text-muted: #6b7280;--border: rgba(255,255,255,.06);--color-good: #4ade80;--color-okay: #facc15;--color-rough: #f87171;--radius: 20px;--radius-sm: 12px;--transition: .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.35;-webkit-font-smoothing:antialiased;overscroll-behavior:none;overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column;position:relative}.main-content{flex:1;padding:40px 48px;max-width:1100px;width:100%;margin:0 auto}.mouse-glow{position:fixed;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,var(--primary-glow) 0%,transparent 70%);pointer-events:none;z-index:0;opacity:0;transform:translate(-50%,-50%);transition:opacity .5s ease}.mouse-glow.active{opacity:.12}.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 48px;background:rgba(255,255,255,.02);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:sticky;top:0;z-index:100}.navbar-brand{display:flex;align-items:center;gap:12px}.navbar-brand .logo{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),#22c55e);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#000;font-size:18px;font-weight:700;box-shadow:0 0 20px var(--primary-dim)}.navbar-brand a{font-size:18px;font-weight:700;color:var(--text);text-decoration:none;letter-spacing:-.3px}.navbar-links{display:flex;gap:4px;background:var(--glass);padding:4px;border-radius:12px;border:1px solid var(--glass-border)}.navbar-links a{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;padding:8px 20px;border-radius:8px;transition:var(--transition)}.navbar-links a:hover{color:var(--text)}.navbar-links a.active{color:#000;background:var(--primary);font-weight:600;box-shadow:0 0 16px var(--primary-dim)}.btn{padding:14px 28px;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px;position:relative;overflow:hidden}.btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);opacity:0;transition:var(--transition)}.btn:hover:after{opacity:1}.btn:active{transform:scale(.97)}.btn-start{background:linear-gradient(135deg,var(--primary),#22c55e);color:#000;flex:1;box-shadow:0 0 30px var(--primary-dim)}.btn-start:hover{box-shadow:0 0 40px var(--primary-glow);transform:translateY(-1px)}.btn-end{background:var(--glass);color:var(--text-secondary);border:1px solid var(--glass-border)}.btn-end:hover{border-color:var(--text-muted);color:var(--text)}.btn-stop{background:linear-gradient(135deg,var(--color-rough),#dc2626);color:#fff;flex:1;box-shadow:0 0 30px #f8717133}.btn-stop:hover{box-shadow:0 0 40px #f871714d;transform:translateY(-1px)}.btn-full{width:100%;background:linear-gradient(135deg,var(--primary),#22c55e);color:#000}.btn-full:hover{box-shadow:0 0 30px var(--primary-dim)}.btn-full:disabled{opacity:.3;cursor:not-allowed;transform:none}.btn-full:disabled:after{display:none}.home-page{display:flex;flex-direction:column;gap:36px}.home-header{position:relative;z-index:1}.home-header .today-label{font-size:14px;font-weight:600;color:var(--primary);letter-spacing:.5px;margin-bottom:6px}.home-header h1{font-size:44px;font-weight:700;color:var(--text);letter-spacing:-1.5px;line-height:1.1}.home-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start;position:relative;z-index:1}.timer-card{background:var(--glass);-webkit-backdrop-filter:blur(40px);backdrop-filter:blur(40px);border-radius:var(--radius);border:1px solid var(--glass-border);padding:48px 40px;display:flex;flex-direction:column;align-items:center;position:relative;overflow:hidden}.timer-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:conic-gradient(from 0deg,transparent,var(--primary-dim),transparent 30%);animation:timer-rotate 8s linear infinite;opacity:0;transition:opacity 1s ease}.timer-card.running:before{opacity:1}@keyframes timer-rotate{to{transform:rotate(360deg)}}.timer-label{font-size:12px;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:3px;margin-bottom:36px;position:relative;z-index:1}.timer-circle{position:relative;display:flex;align-items:center;justify-content:center;margin-bottom:40px;z-index:1}.timer-circle svg{filter:drop-shadow(0 0 20px var(--primary-dim))}.timer-circle svg circle.track{stroke:#ffffff0f}.timer-circle svg circle.progress{stroke:var(--primary);transition:stroke-dashoffset .3s linear;filter:drop-shadow(0 0 8px var(--primary-glow))}.timer-display{position:absolute;font-size:72px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-3px}.timer-controls{display:flex;gap:12px;width:100%;max-width:300px;position:relative;z-index:1}.stats-sidebar{display:flex;flex-direction:column;gap:16px}.stat-card{background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:28px;transition:var(--transition);cursor:default;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--primary-dim) 0%,transparent 60%);opacity:0;transition:var(--transition)}.stat-card:hover:before{opacity:.5}.stat-card:hover{transform:translateY(-2px) scale(1.02);border-color:var(--primary);box-shadow:0 8px 32px var(--primary-dim)}.stat-card .stat-title{font-size:13px;color:var(--text-muted);margin-bottom:10px;position:relative;z-index:1}.stat-card .stat-number{font-size:42px;font-weight:700;color:var(--text);line-height:1;letter-spacing:-1.5px;position:relative;z-index:1}.stat-card .stat-subtitle{font-size:12px;color:var(--text-muted);margin-top:8px;position:relative;z-index:1}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;padding:16px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius);width:100%;max-width:400px;box-shadow:0 24px 80px #00000080;animation:slideUp .3s cubic-bezier(.34,1.56,.64,1);overflow:hidden}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 28px 0}.modal-header h3{font-size:20px;font-weight:700}.modal-close{background:var(--glass);border:1px solid var(--glass-border);color:var(--text-muted);font-size:18px;cursor:pointer;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.modal-close:hover{background:var(--bg-card-hover);color:var(--text)}.modal-body{padding:20px 28px 28px}.session-duration{color:var(--text-secondary);font-size:14px;margin-bottom:24px}.mood-label{font-size:14px;font-weight:600;margin-bottom:14px}.mood-options{display:flex;gap:10px;margin-bottom:20px}.mood-btn{flex:1;background:var(--glass);border:2px solid var(--glass-border);border-radius:var(--radius-sm);padding:18px 8px;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:8px;font-family:inherit}.mood-btn:hover{border-color:var(--text-muted);transform:translateY(-2px)}.mood-btn.selected{border-color:var(--primary);background:var(--primary-dim);box-shadow:0 0 20px var(--primary-dim)}.mood-emoji{font-size:28px}.mood-text{font-size:12px;font-weight:500;color:var(--text-secondary)}.mood-note{width:100%;background:var(--glass);border:1px solid var(--glass-border);color:var(--text);padding:12px 14px;border-radius:var(--radius-sm);font-size:14px;font-family:inherit;resize:vertical;outline:none;margin-bottom:20px;transition:var(--transition)}.mood-note:focus{border-color:var(--primary);box-shadow:0 0 16px var(--primary-dim)}.mood-note::placeholder{color:var(--text-muted)}.github-section{position:relative;z-index:1}.github-section h2{font-size:22px;font-weight:700;margin-bottom:20px;letter-spacing:-.5px}.github-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.repo-card{background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:24px;transition:var(--transition);cursor:pointer;text-decoration:none;color:inherit;display:block;position:relative;overflow:hidden}.repo-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--primary-dim) 0%,transparent 60%);opacity:0;transition:var(--transition)}.repo-card:hover:before{opacity:.5}.repo-card:hover{transform:translateY(-4px) scale(1.02);border-color:var(--primary);box-shadow:0 8px 40px var(--primary-dim)}.repo-card .repo-name{font-size:16px;font-weight:600;color:var(--primary);margin-bottom:8px;position:relative;z-index:1}.repo-card .repo-desc{font-size:13px;color:var(--text-secondary);margin-bottom:16px;line-height:1.5;position:relative;z-index:1}.repo-card .repo-meta{display:flex;gap:16px;position:relative;z-index:1}.repo-card .repo-meta span{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:4px}.repo-card .repo-lang{width:8px;height:8px;border-radius:50%;display:inline-block}.history-page h2{font-size:28px;font-weight:700;letter-spacing:-.5px;margin-bottom:24px}.filter-bar{display:flex;gap:8px;margin-bottom:28px}.filter-btn{background:var(--glass);border:1px solid var(--glass-border);color:var(--text-muted);padding:8px 18px;border-radius:10px;font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;transition:var(--transition)}.filter-btn.active{background:var(--primary);color:#000;border-color:var(--primary);box-shadow:0 0 16px var(--primary-dim)}.filter-btn:hover:not(.active){border-color:var(--text-muted);color:var(--text)}.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted);font-size:15px}.sessions-list{display:flex;flex-direction:column;gap:28px}.session-group h3{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:10px}.session-card{display:flex;align-items:center;gap:16px;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);padding:16px 20px;transition:var(--transition)}.session-card:hover{transform:translateY(-1px);border-color:#ffffff1a;box-shadow:0 4px 16px #0003}.session-mood{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.session-info{display:flex;flex-direction:column;gap:2px}.session-time{font-size:14px;font-weight:500;color:var(--text)}.session-duration-text{font-size:12px;color:var(--text-muted)}.session-note{margin-left:auto;font-size:13px;color:var(--text-muted);font-style:italic;max-width:180px;text-align:right}.stats-page h2{font-size:28px;font-weight:700;letter-spacing:-.5px;margin-bottom:28px}.stats-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px}.chart-container{background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:28px;margin-bottom:24px;transition:var(--transition)}.chart-container:hover{border-color:#ffffff1a;box-shadow:0 4px 24px #0003}.chart-container h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:20px}.chart-wrapper{height:220px}.animated-bg{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;overflow:hidden}.bg-orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.07}.orb-1{width:600px;height:600px;background:radial-gradient(circle,#4ade80 0%,transparent 70%);top:-150px;left:-100px;animation:orbFloat1 20s ease-in-out infinite}.orb-2{width:500px;height:500px;background:radial-gradient(circle,#22c55e 0%,transparent 70%);bottom:-100px;right:-80px;animation:orbFloat2 25s ease-in-out infinite}.orb-3{width:400px;height:400px;background:radial-gradient(circle,#4ade80 0%,transparent 70%);top:40%;left:50%;animation:orbFloat3 30s ease-in-out infinite}@keyframes orbFloat1{0%,to{transform:translate(0) scale(1)}50%{transform:translate(30px,20px) scale(1.05)}}@keyframes orbFloat2{0%,to{transform:translate(0) scale(1)}50%{transform:translate(-20px,-30px) scale(1.03)}}@keyframes orbFloat3{0%,to{transform:translate(-50%) scale(1)}50%{transform:translate(-50%,15px) scale(1.02)}}.floating-elements{position:absolute;top:0;right:0;bottom:0;left:0}.float-item{position:absolute;font-size:24px;opacity:.14;filter:drop-shadow(0 0 6px rgba(74,222,128,.15));will-change:transform}.f1{top:14%;left:6%;animation:drift 9s ease-in-out infinite}.f2{top:28%;right:8%;animation:drift 11s ease-in-out infinite 1.5s}.f3{top:62%;left:10%;animation:drift 10s ease-in-out infinite .8s}.f4{top:18%;right:20%;animation:drift 12s ease-in-out infinite 2.2s}.f5{bottom:24%;right:12%;animation:drift 9.5s ease-in-out infinite .3s}.f6{bottom:16%;left:14%;animation:drift 13s ease-in-out infinite 1.2s}.f7{top:45%;left:4%;animation:drift 10.5s ease-in-out infinite 2.8s}.f8{top:52%;right:6%;animation:drift 11.5s ease-in-out infinite 3.5s}.f9{bottom:40%;left:22%;animation:drift 9.8s ease-in-out infinite .6s}.f10{top:8%;left:38%;animation:drift 12.5s ease-in-out infinite 4s}@keyframes drift{0%{transform:translate(0) rotate(-3deg) scale(1)}25%{transform:translate(12px,-14px) rotate(2deg) scale(1.05)}50%{transform:translate(-8px,-22px) rotate(3deg) scale(1)}75%{transform:translate(-14px,-10px) rotate(-2deg) scale(.95)}to{transform:translate(0) rotate(-3deg) scale(1)}}.study-scene{position:absolute;bottom:24px;right:32px;opacity:.5;animation:sceneFloat 12s ease-in-out infinite}.study-scene svg{filter:drop-shadow(0 4px 20px rgba(74,222,128,.08))}.lamp-glow{animation:lampPulse 4s ease-in-out infinite}@keyframes sceneFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes lampPulse{0%,to{opacity:1}50%{opacity:.7}}.btn-pause{background:var(--glass);border:1px solid var(--glass-border);color:var(--text);flex:1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-pause:hover{border-color:var(--primary);box-shadow:0 0 20px var(--primary-dim);transform:translateY(-1px)}.timer-card.paused{border-color:#facc1533}.timer-card.paused .progress{stroke:#facc15;opacity:.8}.pause-indicator{position:absolute;bottom:18px;left:50%;transform:translate(-50%);font-size:11px;font-weight:600;letter-spacing:1px;background:rgba(250,204,21,.12);border:1px solid rgba(250,204,21,.2);color:#facc15;padding:4px 10px;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.loading{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--text-muted)}@media (max-width: 900px){.main-content{padding:24px 20px}.navbar{padding:12px 20px}.home-layout{grid-template-columns:1fr}.home-header h1{font-size:30px}.timer-card{padding:32px 20px}.timer-display{font-size:56px}.timer-circle svg{width:200px;height:200px}.stats-sidebar{flex-direction:row}.stats-sidebar .stat-card{flex:1}.stat-card .stat-number{font-size:28px}.stats-overview{grid-template-columns:1fr}.session-note{display:none}.github-grid{grid-template-columns:1fr}}@media (max-width: 480px){.home-header h1{font-size:24px}.stats-sidebar{flex-direction:column}.navbar-links{gap:2px;padding:3px}.navbar-links a{padding:6px 14px;font-size:13px}.mood-options{flex-direction:column}}