:root{--color-bg-primary: #0a0f1a;--color-bg-secondary: #111827;--color-bg-tertiary: #1e293b;--color-bg-card: rgba(30, 41, 59, .8);--color-accent-primary: #3b82f6;--color-accent-secondary: #60a5fa;--color-accent-glow: rgba(59, 130, 246, .4);--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-full: 9999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}.app{flex:1;display:flex;flex-direction:column;justify-content:center;padding:var(--space-md);max-width:480px;margin:0 auto;width:100%}.card{background:var(--color-bg-card);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-height:620px;display:flex;flex-direction:column}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border:none;border-radius:var(--radius-md);font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));color:#fff;box-shadow:0 4px 15px var(--color-accent-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px var(--color-accent-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-secondary);border-color:var(--color-accent-primary)}.btn-success{background:linear-gradient(135deg,var(--color-success),#059669);color:#fff}.btn-danger{background:linear-gradient(135deg,var(--color-error),#dc2626);color:#fff}.btn-icon{width:48px;height:48px;padding:0;border-radius:var(--radius-full)}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:1.125rem}.btn-block{width:100%}.input-group{margin-bottom:var(--space-lg)}.input-label{display:block;margin-bottom:var(--space-sm);color:var(--color-text-secondary);font-size:.875rem;font-weight:500}.input{width:100%;padding:var(--space-md);background:var(--color-bg-secondary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:inherit;font-size:1rem;transition:border-color var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.input::placeholder{color:var(--color-text-muted)}.page-title{font-size:1.75rem;font-weight:700;text-align:center;margin-bottom:var(--space-xl);background:linear-gradient(135deg,var(--color-text-primary),var(--color-accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--space-md);color:var(--color-text-primary)}.setting-control{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0;border-bottom:1px solid rgba(255,255,255,.05)}.setting-control:last-child{border-bottom:none}.setting-label{color:var(--color-text-secondary);font-size:.9rem}.setting-value{display:flex;align-items:center;gap:var(--space-md)}.setting-display{font-size:1.25rem;font-weight:700;color:var(--color-accent-secondary);min-width:80px;text-align:center;font-family:var(--font-mono)}.setting-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-tertiary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-full);color:var(--color-text-primary);font-size:1.25rem;cursor:pointer;transition:all var(--transition-fast)}.setting-btn:hover{background:var(--color-accent-primary);border-color:var(--color-accent-primary)}.setting-btn:disabled{opacity:.3;cursor:not-allowed}.today-record{background:var(--color-bg-tertiary);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-md);padding:var(--space-md);margin-bottom:var(--space-lg);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}.today-label{color:var(--color-text-secondary);font-size:.9rem}.today-value{font-size:2.5rem;font-weight:700;font-family:var(--font-mono);background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.today-unit{font-size:1rem;color:var(--color-text-muted);margin-left:var(--space-xs);vertical-align:baseline;-webkit-text-fill-color:var(--color-text-muted)}.week-record{background:var(--color-bg-tertiary);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-md);padding:var(--space-md);margin-bottom:var(--space-lg);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-xs)}.week-label{color:var(--color-text-secondary);font-size:.9rem}.week-value{font-size:2.5rem;font-weight:700;font-family:var(--font-mono);background:linear-gradient(135deg,var(--color-accent-primary),var(--color-accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.week-unit{font-size:1rem;color:var(--color-text-muted);margin-left:var(--space-xs);vertical-align:baseline;-webkit-text-fill-color:var(--color-text-muted)}.timer-display{text-align:center;padding:var(--space-2xl) 0}.timer-circle{position:relative;width:220px;height:220px;margin:0 auto var(--space-xl)}.timer-circle-bg{fill:none;stroke:var(--color-bg-tertiary);stroke-width:8}.timer-circle-progress{fill:none;stroke:url(#timer-gradient);stroke-width:8;stroke-linecap:round;transform:rotate(-90deg);transform-origin:center;transition:stroke-dashoffset .5s ease}.timer-time{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:3rem;font-weight:700;font-family:var(--font-mono);color:var(--color-text-primary)}.timer-status{font-size:1rem;color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.timer-status.running{color:var(--color-success)}.timer-status.paused{color:var(--color-warning)}.pulse-indicator{width:24px;height:24px;border-radius:var(--radius-full);background:var(--color-accent-primary);margin:0 auto var(--space-lg);animation:pulse var(--pulse-duration, 333ms) ease-in-out infinite}.pulse-indicator.paused{animation:none;opacity:.3}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.7}}.controls{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.week-nav{display:flex;align-items:center;gap:var(--space-sm)}.week-nav-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--color-bg-tertiary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-full);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-fast)}.week-nav-btn:hover:not(:disabled){background:var(--color-accent-primary)}.week-nav-btn:disabled{opacity:.3;cursor:not-allowed}.week-range{font-size:.875rem;color:var(--color-text-secondary);text-align:center;min-width:120px}.bar-chart{display:flex;align-items:flex-end;justify-content:space-between;height:200px;padding:var(--space-md);background:var(--color-bg-secondary);border-radius:var(--radius-md);margin-bottom:var(--space-md)}.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;max-width:40px}.bar-value{font-size:.75rem;color:var(--color-text-secondary);margin-bottom:var(--space-xs);font-family:var(--font-mono)}.bar-fill-container{flex:1;width:100%;display:flex;align-items:flex-end}.bar-fill{width:100%;background:linear-gradient(to top,var(--color-accent-primary),var(--color-accent-secondary));border-radius:var(--radius-sm) var(--radius-sm) 0 0;min-height:4px;transition:height var(--transition-base)}.bar-fill.today{background:linear-gradient(to top,var(--color-success),#34d399)}.bar-label{font-size:.75rem;color:var(--color-text-muted);margin-top:var(--space-sm)}.bar-date{font-size:.65rem;color:var(--color-text-muted);opacity:.7}.nav-tabs{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg)}.nav-tab{flex:1;padding:var(--space-md);background:transparent;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);color:var(--color-text-secondary);font-family:inherit;font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.nav-tab:hover{border-color:var(--color-accent-primary);color:var(--color-text-primary)}.nav-tab.active{background:var(--color-accent-primary);border-color:var(--color-accent-primary);color:#fff}.completion-screen{text-align:center;padding:var(--space-2xl) 0}.completion-icon{font-size:4rem;margin-bottom:var(--space-lg);animation:bounce .5s ease infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-10px)}}.completion-title{font-size:1.5rem;font-weight:700;color:var(--color-success);margin-bottom:var(--space-md)}.completion-stats{color:var(--color-text-secondary);margin-bottom:var(--space-xl)}.error-message{background:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-md);padding:var(--space-md);color:var(--color-error);font-size:.875rem;margin-bottom:var(--space-lg);text-align:center}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-bg-tertiary);border-top-color:var(--color-accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.confirm-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-md)}.confirm-dialog{background:var(--color-bg-secondary);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:var(--space-xl);max-width:320px;width:100%;text-align:center;animation:dialogFadeIn .2s ease}@keyframes dialogFadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.confirm-message{color:var(--color-text-primary);font-size:1rem;line-height:1.6;margin-bottom:var(--space-xl)}.confirm-actions{display:flex;gap:var(--space-md);justify-content:center}@media(min-width:768px){.app{max-width:600px;padding:var(--space-xl)}.timer-circle{width:280px;height:280px}.timer-time{font-size:4rem}.page-title{font-size:2rem}.bar-chart{height:250px}.bar-item{max-width:50px}}@media(min-width:1440px){.app{max-width:700px;padding:var(--space-2xl)}.timer-circle{width:320px;height:320px}.timer-time{font-size:4.5rem}}html,body{overflow-x:hidden;max-width:100vw}