:root{--bg-primary: #0D0D0D;--bg-secondary: #141414;--bg-tertiary: #1A1A1A;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .05);--accent-primary: #4ECDC4;--accent-secondary: #45B7AA;--accent-glow: rgba(78, 205, 196, .15);--accent-muted: rgba(78, 205, 196, .5);--text-primary: #FFFFFF;--text-secondary: #E0E0E0;--text-tertiary: #B0B0B0;--text-muted: #808080;--border-subtle: rgba(255, 255, 255, .06);--border-accent: rgba(78, 205, 196, .3);--success: #4ADE80;--warning: #FBBF24;--font-mono: "JetBrains Mono", monospace;--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--shadow-glow: 0 0 40px var(--accent-glow)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:var(--font-sans);background:linear-gradient(180deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);color:var(--text-primary);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:480px;margin:0 auto;padding:var(--space-lg)}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-accent{border-color:var(--border-accent);box-shadow:var(--shadow-glow)}h1,h2,h3{font-weight:500;letter-spacing:-.02em}h1{font-size:2rem;line-height:1.2}h2{font-size:1.5rem;line-height:1.3}h3{font-size:1.125rem}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-accent{color:var(--accent-primary)}.text-mono{font-family:var(--font-mono)}.text-center{text-align:center}button{font-family:var(--font-sans);font-size:1rem;font-weight:500;cursor:pointer;border:none;outline:none;transition:all var(--transition-base)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-full);min-width:140px}.btn-primary{background:var(--accent-primary);color:var(--bg-primary)}.btn-primary:hover{background:var(--accent-secondary);transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-accent)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-card)}.btn-large{padding:var(--space-lg) var(--space-2xl);font-size:1.125rem}input,textarea{font-family:var(--font-sans);font-size:1rem;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-md);color:var(--text-primary);width:100%;outline:none;transition:all var(--transition-base)}input:focus,textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}input::placeholder,textarea::placeholder{color:var(--text-muted)}textarea{resize:vertical;min-height:100px}.timer-display{font-family:var(--font-mono);font-size:5rem;font-weight:600;letter-spacing:-.02em;color:var(--text-primary);text-align:center;line-height:1}.timer-display-small{font-size:3rem}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{stroke:var(--bg-tertiary)}.progress-ring-fill{stroke:var(--accent-primary);stroke-linecap:round;transition:stroke-dashoffset var(--transition-slow)}.screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);min-height:100vh}.screen-content{display:flex;flex-direction:column;align-items:center;gap:var(--space-xl);width:100%;max-width:400px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes breathe{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.05);opacity:.3}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes ringPulse{0%,to{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 20px transparent}}.animate-fade-in{animation:fadeIn var(--transition-slow) ease forwards}.animate-slide-up{animation:slideUp var(--transition-slow) ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-breathe{animation:breathe 4s ease-in-out infinite}.stagger-children>*:nth-child(1){animation-delay:0ms}.stagger-children>*:nth-child(2){animation-delay:.1s}.stagger-children>*:nth-child(3){animation-delay:.2s}.stagger-children>*:nth-child(4){animation-delay:.3s}.stagger-children>*:nth-child(5){animation-delay:.4s}@media(max-width:480px){:root{--space-lg: 1.25rem;--space-xl: 1.5rem;--space-2xl: 2rem}.timer-display{font-size:4rem}h1{font-size:1.75rem}}