@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-dark: #0f172a;--bg-gradient: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);--primary: #8b5cf6;--primary-hover: #7c3aed;--text-main: #f8fafc;--text-muted: #94a3b8;--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .05);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .3);--danger: #ef4444;--danger-hover: #dc2626;--success: #10b981}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Outfit,sans-serif;background:var(--bg-gradient);color:var(--text-main);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-hover)}.text-center{text-align:center}.text-primary{color:var(--primary)!important}.text-muted{color:var(--text-muted)}.full-width{width:100%}.gradient-text{background:linear-gradient(to right,#a855f7,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:16px}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:2rem;max-width:800px;margin:0 auto;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:12px;font-weight:500;font-size:1rem;border:none;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-family:inherit}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #8b5cf663}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf680}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-outline{background:transparent;border:1px solid var(--glass-border);color:var(--text-main)}.btn-outline:hover{background:#ffffff0d;border-color:#ffffff1a}.input-group{position:relative;margin-bottom:1.5rem}.input-prefix{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted);display:flex}input[type=text],input[type=email],input[type=password]{width:100%;padding:1rem 1rem 1rem 3rem;background:#0003;border:1px solid var(--glass-border);border-radius:12px;color:var(--text-main);font-size:1rem;font-family:inherit;transition:all .3s ease}input:focus{outline:none;border-color:var(--primary);background:#0006;box-shadow:0 0 0 2px #8b5cf633}.alert{padding:1rem;border-radius:12px;margin-bottom:1.5rem;display:flex;align-items:center;gap:.5rem;font-size:.875rem;animation:slideIn .3s ease}.alert.error{background:#ef44441a;border:1px solid rgba(239,68,68,.2);color:#fca5a5}.navbar{background:#0f172acc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:50}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;color:var(--text-main)}.nav-icon{color:var(--primary)}.nav-actions{display:flex;align-items:center;gap:1.5rem}.user-greeting{color:var(--text-muted);font-size:.95rem}.nav-logout{padding:.5rem 1rem;border-radius:8px;font-size:.9rem}.auth-page{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 80px)}.auth-card{width:100%;max-width:420px;padding:2.5rem;animation:fadeUp .5s ease-out forwards}.auth-header{text-align:center;margin-bottom:2.5rem}.auth-header h2{font-size:2rem;margin-bottom:.5rem}.auth-header p{color:var(--text-muted)}.auth-footer{margin-top:2rem;text-align:center;font-size:.9rem;color:var(--text-muted)}.dashboard{animation:fadeUp .4s ease-out forwards}.dashboard-header{margin-bottom:3rem}.dashboard-header h1{font-size:2.5rem;margin-bottom:.5rem}.dashboard-header p{color:var(--text-muted);font-size:1.1rem}.controls{padding:1.5rem;margin-bottom:2rem}.add-todo-form{display:flex;gap:1rem;margin-bottom:1.5rem}.add-input{flex:1;padding-left:1.5rem!important}.filters-bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem}.search-box{position:relative;flex:1;min-width:200px}.search-box input{padding-left:2.5rem!important;border-radius:8px!important;background:#0000001a!important}.search-icon{position:absolute;left:.75rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.filter-tabs{display:flex;gap:.5rem;background:#0003;padding:.25rem;border-radius:10px}.filter-tab{background:transparent;border:none;color:var(--text-muted);padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.filter-tab:hover{color:var(--text-main)}.filter-tab.active{background:var(--glass-bg);color:var(--text-main);box-shadow:0 2px 8px #0003}.todo-list{list-style:none;display:flex;flex-direction:column;gap:1rem}.todo-item{display:flex;align-items:center;padding:1rem 1.5rem;gap:1rem;transition:all .3s ease;animation:slideIn .3s ease-out}.todo-item:hover{transform:translate(4px);border-color:#ffffff1a;background:#ffffff0d}.todo-title{flex:1;font-size:1.05rem;transition:all .2s}.todo-item.completed .todo-title{text-decoration:line-through;color:var(--text-muted)}.toggle-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s}.toggle-btn:hover{transform:scale(1.1)}.delete-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.5rem;border-radius:8px;transition:all .2s;opacity:0}.todo-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:var(--danger);background:#ef44441a}.empty-state{text-align:center;padding:4rem 2rem}.empty-icon{width:64px;height:64px;margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center;font-size:2rem;border-radius:50%}.empty-state h3{font-size:1.5rem;margin-bottom:.5rem}.empty-state p{color:var(--text-muted)}.loader-container{display:flex;justify-content:center;padding:3rem}.loader{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-bottom-color:transparent;border-radius:50%;display:inline-block;animation:rotation 1s linear infinite}.loader.large{width:40px;height:40px;border-width:3px;border-color:var(--primary);border-bottom-color:transparent}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}@media (max-width: 640px){.add-todo-form{flex-direction:column}.add-input{padding-left:1rem!important}.filters-bar{flex-direction:column;align-items:stretch}.filter-tabs{justify-content:center}.todo-item .delete-btn{opacity:1}.main-content{padding:1rem}}