.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.login-background{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden}.gradient-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 20s ease-in-out infinite}.orb-1{width:500px;height:500px;background:linear-gradient(135deg,var(--primary-500),var(--primary-700));top:-250px;left:-250px;animation-delay:0s}.orb-2{width:400px;height:400px;background:linear-gradient(135deg,#8b5cf6,#6366f1);bottom:-200px;right:-200px;animation-delay:5s}.orb-3{width:300px;height:300px;background:linear-gradient(135deg,#06b6d4,var(--primary-500));top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:10s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.1)}66%{transform:translate(-20px,20px) scale(.9)}}.login-container{position:relative;z-index:1;width:100%;max-width:450px;padding:var(--spacing-lg)}.login-card{padding:var(--spacing-2xl)}.login-header{text-align:center;margin-bottom:var(--spacing-xl)}.login-title{background:linear-gradient(135deg,var(--primary-300),var(--primary-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-sm);font-size:2.5rem}.login-subtitle{font-size:1rem;margin-bottom:0}.login-form{margin-bottom:var(--spacing-lg)}.error-message{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#ef44441a;border:1px solid var(--error);border-radius:var(--radius-md);color:var(--error);margin-bottom:var(--spacing-lg);font-size:.875rem}.input-hint{margin-top:var(--spacing-xs);font-size:.75rem}.btn-full{width:100%;margin-top:var(--spacing-md)}.spinner-sm{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.login-footer{text-align:center;padding-top:var(--spacing-lg);border-top:1px solid var(--border-color)}.link-button{background:none;border:none;color:var(--primary-400);font-weight:600;cursor:pointer;margin-left:var(--spacing-sm);transition:color var(--transition-base)}.link-button:hover{color:var(--primary-300);text-decoration:underline}@media (max-width: 768px){.login-card{padding:var(--spacing-xl)}.login-title{font-size:2rem}.orb-1,.orb-2,.orb-3{width:300px;height:300px}}.todo-item{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--spacing-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-md);transition:all var(--transition-base)}.todo-item:hover{transform:translate(4px)}.todo-item-editing{background:var(--bg-secondary)}.todo-content{display:flex;align-items:flex-start;gap:var(--spacing-md);flex:1}.todo-text{flex:1}.todo-title{font-size:1.125rem;font-weight:600;margin-bottom:var(--spacing-xs);transition:all var(--transition-base)}.line-through{text-decoration:line-through;opacity:.6}.todo-description{font-size:.875rem;margin:0;line-height:1.5}.todo-completed{opacity:.7;border-color:var(--success)}.todo-actions{display:flex;gap:var(--spacing-sm);align-items:center}.delete-confirm{display:flex;gap:var(--spacing-xs);animation:slideIn var(--transition-base) ease-out}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.todo-edit-form{width:100%;display:flex;flex-direction:column;gap:var(--spacing-md)}.textarea{resize:vertical;min-height:80px;font-family:inherit}.todo-edit-actions{display:flex;gap:var(--spacing-sm);justify-content:flex-end}@media (max-width: 768px){.todo-item{flex-direction:column;gap:var(--spacing-sm)}.todo-actions{width:100%;justify-content:flex-end}}.todo-page{min-height:100vh;display:flex;flex-direction:column}.todo-header{background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);padding:var(--spacing-lg) 0;position:sticky;top:0;z-index:10}.header-content{display:flex;align-items:center;justify-content:space-between}.header-left{display:flex;align-items:center;gap:var(--spacing-lg)}.app-title{display:flex;align-items:center;gap:var(--spacing-sm);margin:0;font-size:1.5rem;background:linear-gradient(135deg,var(--primary-300),var(--primary-500));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-email{margin:0;font-size:.875rem}.todo-main{flex:1;padding:var(--spacing-2xl) 0}.date-selector{padding:var(--spacing-lg);margin-bottom:var(--spacing-xl);display:flex;align-items:center;gap:var(--spacing-md)}.date-label{display:flex;align-items:center;gap:var(--spacing-sm);font-weight:600;color:var(--text-secondary);margin:0}.date-input{flex:1;cursor:pointer}.progress-card{padding:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.progress-header h3{margin:0;font-size:1.125rem}.progress-count{font-size:.875rem;color:var(--text-muted);font-weight:600}.progress-bar{height:8px;background:var(--bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-500),var(--primary-400));border-radius:var(--radius-full);transition:width var(--transition-slow)}.add-todo-section{margin-bottom:var(--spacing-xl)}.add-todo-btn{width:100%}.add-todo-form{padding:var(--spacing-xl)}.form-title{margin-bottom:var(--spacing-lg);font-size:1.25rem}.form-actions{display:flex;gap:var(--spacing-sm)}.todos-list{margin-top:var(--spacing-lg)}.empty-state{text-align:center;padding:var(--spacing-2xl);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.empty-state svg{opacity:.3;margin-bottom:var(--spacing-md)}.empty-state h3{margin:0;font-size:1.5rem}.empty-state p{margin:0;max-width:400px}@media (max-width: 768px){.header-content{flex-direction:column;gap:var(--spacing-md);align-items:flex-start}.header-left{flex-direction:column;align-items:flex-start;gap:var(--spacing-xs)}.date-selector{flex-direction:column;align-items:stretch}.form-actions{flex-direction:column}}:root{--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-300: #a5b4fc;--primary-400: #818cf8;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-glass: rgba(30, 41, 59, .7);--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--border-color: rgba(148, 163, 184, .1);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow-x:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,var(--bg-primary) 0%,#1a1f3a 100%);color:var(--text-primary);line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-decoration:none;outline:none;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff1a;transform:translate(-50%,-50%);transition:width var(--transition-slow),height var(--transition-slow)}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--primary-600) 0%,var(--primary-700) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--primary-500)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#dc2626;transform:translateY(-2px)}.btn-sm{padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem}.btn-icon{padding:var(--spacing-sm);border-radius:var(--radius-full);width:2.5rem;height:2.5rem}.input-group{margin-bottom:var(--spacing-lg)}.input-label{display:block;margin-bottom:var(--spacing-sm);font-weight:600;color:var(--text-secondary);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.input{width:100%;padding:var(--spacing-md);background:var(--bg-glass);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;transition:all var(--transition-base);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.input:focus{outline:none;border-color:var(--primary-500);background:var(--bg-secondary);box-shadow:0 0 0 3px #6366f11a}.input::placeholder{color:var(--text-muted)}.card{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-lg);transition:all var(--transition-base)}.card:hover{border-color:var(--primary-500);box-shadow:var(--shadow-xl)}.card-glass{background:#1e293b80;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border:1px solid rgba(255,255,255,.1)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.container-sm{max-width:600px}.loading-container{display:flex;align-items:center;justify-content:center;min-height:100vh}.spinner{width:50px;height:50px;border:4px solid var(--bg-tertiary);border-top-color:var(--primary-500);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.checkbox{width:1.5rem;height:1.5rem;cursor:pointer;accent-color:var(--primary-500)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn var(--transition-base) ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:slideUp var(--transition-slow) ease-out}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-error{color:var(--error)}.text-success{color:var(--success)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--spacing-md)}}