:root{--primary-color:#6366f1;--primary-gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);--secondary-color:#f8fafc;--text-primary:#1e293b;--text-secondary:#64748b;--card-bg:rgba(255,255,255,0.95);--shadow-color:rgba(99,102,241,0.1);--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--note-bg:#ffffff;--border-color:#e2e8f0;--hover-color:#f1f5f9;--completed-color:#94a3b8}.theme-purple{--primary-color:#6366f1;--primary-gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);--shadow-color:rgba(99,102,241,0.15)}.theme-blue{--primary-color:#3b82f6;--primary-gradient:linear-gradient(135deg,#3b82f6 0%,#06b6d4 100%);--shadow-color:rgba(59,130,246,0.15)}.theme-green{--primary-color:#10b981;--primary-gradient:linear-gradient(135deg,#10b981 0%,#84cc16 100%);--shadow-color:rgba(16,185,129,0.15)}.theme-pink{--primary-color:#ec4899;--primary-gradient:linear-gradient(135deg,#ec4899 0%,#d946ef 100%);--shadow-color:rgba(236,72,153,0.15)}.theme-orange{--primary-color:#f97316;--primary-gradient:linear-gradient(135deg,#f97316 0%,#f59e0b 100%);--shadow-color:rgba(249,115,22,0.15)}.theme-dark{--primary-color:#8b5cf6;--primary-gradient:linear-gradient(135deg,#8b5cf6 0%,#6366f1 100%);--secondary-color:#1e293b;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--card-bg:rgba(30,41,59,0.9);--shadow-color:rgba(0,0,0,0.3);--note-bg:rgba(51,65,85,0.8);--border-color:#475569;--hover-color:#334155;--completed-color:#64748b}.theme-red{--primary-color:#ef4444;--primary-gradient:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);--shadow-color:rgba(239,68,68,0.15)}.theme-cyan{--primary-color:#06b6d4;--primary-gradient:linear-gradient(135deg,#06b6d4 0%,#0ea5e9 100%);--shadow-color:rgba(6,182,212,0.15)}.theme-amber{--primary-color:#f59e0b;--primary-gradient:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);--shadow-color:rgba(245,158,11,0.15)}.theme-indigo{--primary-color:#4f46e5;--primary-gradient:linear-gradient(135deg,#4f46e5 0%,#3730a3 100%);--shadow-color:rgba(79,70,229,0.15)}.theme-rose{--primary-color:#f43f5e;--primary-gradient:linear-gradient(135deg,#f43f5e 0%,#e11d48 100%);--shadow-color:rgba(244,63,94,0.15)}.theme-teal{--primary-color:#14b8a6;--primary-gradient:linear-gradient(135deg,#14b8a6 0%,#0d9488 100%);--shadow-color:rgba(20,184,166,0.15)}.theme-fuchsia{--primary-color:#d946ef;--primary-gradient:linear-gradient(135deg,#d946ef 0%,#a855f7 100%);--shadow-color:rgba(217,70,239,0.15)}.theme-slate{--primary-color:#64748b;--primary-gradient:linear-gradient(135deg,#64748b 0%,#475569 100%);--shadow-color:rgba(100,116,139,0.15)}.theme-forest{--primary-color:#059669;--primary-gradient:linear-gradient(135deg,#059669 0%,#047857 100%);--shadow-color:rgba(5,150,105,0.15)}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Inter',-apple-system,BlinkMacSystemFont,sans-serif;transition:background-color 0.3s ease,border-color 0.3s ease}body{background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);color:var(--text-primary);line-height:1.6;padding:20px;max-width:1400px;margin:0 auto;min-height:100vh}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:25px 30px;background:var(--card-bg);border-radius:20px;box-shadow:0 10px 40px var(--shadow-color);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2)}h1{color:var(--primary-color);display:flex;align-items:center;gap:15px;font-size:32px;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.theme-selector{position:relative;width:180px}.theme-selector select{width:100%;padding:12px 15px;border:2px solid var(--border-color);border-radius:12px;font-size:14px;background:var(--card-bg);color:var(--text-primary);cursor:pointer;appearance:none;font-weight:500}.theme-selector i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--primary-color)}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding:25px 30px;background:var(--primary-gradient);border-radius:20px;box-shadow:0 10px 40px var(--shadow-color);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);color:white}h1{color:white;display:flex;align-items:center;gap:15px;font-size:32px;font-weight:700;background:none;-webkit-background-clip:initial;-webkit-text-fill-color:initial;background-clip:initial}h1 i{color:white}.stats{color:rgba(255,255,255,0.9)}.stat-item{color:rgba(255,255,255,0.9)}.stat-number{color:white;font-weight:700;font-size:18px}.theme-selector select{background:rgba(255,255,255,0.15);color:white;border:2px solid rgba(255,255,255,0.3)}.theme-selector select:focus{border-color:rgba(255,255,255,0.5);box-shadow:0 0 0 3px rgba(255,255,255,0.1)}.theme-selector i{color:white}.theme-selector select option{background:#333;color:white}.theme-dark .header{background:var(--primary-gradient);color:white}.theme-dark .theme-selector select{background:rgba(255,255,255,0.1);color:white;border:2px solid rgba(255,255,255,0.2)}.theme-purple .header{background:var(--primary-gradient)}.theme-blue .header{background:var(--primary-gradient)}.theme-green .header{background:var(--primary-gradient)}.theme-pink .header{background:var(--primary-gradient)}.theme-orange .header{background:var(--primary-gradient)}.theme-red .header{background:var(--primary-gradient)}.theme-cyan .header{background:var(--primary-gradient)}.theme-amber .header{background:var(--primary-gradient)}.theme-indigo .header{background:var(--primary-gradient)}.theme-rose .header{background:var(--primary-gradient)}.theme-teal .header{background:var(--primary-gradient)}.theme-fuchsia .header{background:var(--primary-gradient)}.theme-slate .header{background:var(--primary-gradient)}.theme-forest .header{background:var(--primary-gradient)}.controls{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:30px;align-items:center;background:var(--card-bg);padding:25px;border-radius:20px;box-shadow:0 10px 40px var(--shadow-color);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2)}.filter-controls{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:20px;align-items:center;padding:15px 20px;background:var(--card-bg);border-radius:15px;box-shadow:0 5px 20px var(--shadow-color);border:1px solid var(--border-color)}.filter-buttons{display:flex;gap:10px;flex-wrap:wrap}.filter-btn{padding:10px 20px;border:2px solid var(--border-color);border-radius:10px;background:var(--card-bg);color:var(--text-primary);cursor:pointer;font-weight:500;transition:all 0.3s ease}.filter-btn.active{background:var(--primary-gradient);color:white;border-color:var(--primary-color)}.filter-btn:hover:not(.active){background:var(--hover-color);border-color:var(--primary-color)}.search-sort-container{display:flex;flex-wrap:wrap;gap:20px;flex:1}.search-box{flex:1;min-width:300px;position:relative}.search-box input{width:100%;padding:15px 20px 15px 50px;border:2px solid var(--border-color);border-radius:15px;font-size:16px;background:var(--card-bg);color:var(--text-primary);transition:all 0.3s ease}.search-box input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,0.1)}.search-box i{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--text-secondary)}.sort-box{min-width:220px}.sort-box select{width:100%;padding:15px;border:2px solid var(--border-color);border-radius:15px;font-size:16px;background:var(--card-bg);color:var(--text-primary);cursor:pointer;transition:border-color 0.3s;font-weight:500}.sort-box select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,0.1)}.buttons{display:flex;flex-wrap:wrap;gap:15px}button{padding:14px 24px;border:none;border-radius:12px;cursor:pointer;font-weight:600;font-size:15px;transition:all 0.3s ease;display:flex;align-items:center;gap:10px;box-shadow:0 4px 12px rgba(0,0,0,0.1)}.primary-btn{background:var(--primary-gradient);color:white;position:relative;overflow:hidden}.primary-btn::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left 0.6s}.primary-btn:hover::after{left:100%}.primary-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(99,102,241,0.3)}.secondary-btn{background:var(--secondary-color);color:var(--text-primary);border:2px solid var(--border-color)}.secondary-btn:hover{background:var(--hover-color);border-color:var(--primary-color);transform:translateY(-2px)}.danger-btn{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);color:white}.danger-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(239,68,68,0.3)}.notes-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:30px;margin-top:20px;margin-bottom:30px}.note{background:var(--note-bg);border-radius:20px;padding:25px;box-shadow:0 10px 30px var(--shadow-color);transition:all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);display:flex;flex-direction:column;height:100%;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);position:relative;overflow:hidden}.note.completed{opacity:0.8;transform:scale(0.98)}.note.completed .note-title{text-decoration:line-through;color:var(--completed-color)}.note.completed .note-content{color:var(--completed-color)}.note.completed::before{background:var(--completed-color)}.note.completed .note-checkmark{display:block}.note-checkmark{position:absolute;top:15px;right:15px;color:var(--success-color);font-size:24px;display:none}.note::before{content:'';position:absolute;top:0;left:0;right:0;height:5px;background:var(--primary-gradient);transition:background 0.3s ease}.note:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 20px 40px var(--shadow-color)}.note.completed:hover{transform:translateY(-5px) scale(1.01)}.note-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.note-title{font-size:22px;font-weight:700;color:var(--text-primary);line-height:1.3;flex:1;padding-right:40px;transition:color 0.3s ease,text-decoration 0.3s ease}.note-actions{display:flex;gap:8px}.note-action-btn{background:rgba(99,102,241,0.1);border:none;cursor:pointer;color:var(--primary-color);padding:8px;border-radius:10px;font-size:16px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease}.note-action-btn.complete-btn{background:rgba(16,185,129,0.1);color:var(--success-color)}.note-action-btn.complete-btn:hover{background:var(--success-color);color:white}.note-action-btn:hover{background:var(--primary-color);color:white;transform:rotate(15deg)}.note-content{flex:1;color:var(--text-secondary);line-height:1.7;margin-bottom:20px;font-size:15px;max-height:200px;overflow-y:auto;padding-right:5px}.note-content::-webkit-scrollbar{width:4px}.note-content::-webkit-scrollbar-track{background:rgba(0,0,0,0.05);border-radius:10px}.note-content::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:10px}.note-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.tag{background:rgba(99,102,241,0.1);color:var(--primary-color);padding:6px 15px;border-radius:20px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:5px}.tag::before{content:'#';opacity:0.7}.note-date{color:var(--text-secondary);font-size:14px;margin-top:20px;padding-top:15px;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:10px}.note-date i{color:var(--primary-color)}.empty-state{text-align:center;padding:80px 20px;color:var(--text-secondary);grid-column:1 / -1}.empty-state i{font-size:80px;margin-bottom:25px;opacity:0.3}.empty-state h3{font-size:24px;margin-bottom:15px;color:var(--text-primary)}.pagination-container{display:flex;justify-content:center;align-items:center;gap:15px;margin:30px 0;padding:20px;background:var(--card-bg);border-radius:15px;box-shadow:0 5px 20px var(--shadow-color)}.pagination-btn{padding:10px 18px;border:2px solid var(--border-color);background:var(--card-bg);color:var(--text-primary);border-radius:10px;cursor:pointer;font-weight:600;transition:all 0.3s ease;min-width:40px;text-align:center}.pagination-btn:hover:not(:disabled){background:var(--primary-gradient);color:white;border-color:var(--primary-color);transform:translateY(-2px)}.pagination-btn:disabled{opacity:0.5;cursor:not-allowed}.pagination-btn.active{background:var(--primary-gradient);color:white;border-color:var(--primary-color)}.pagination-dots{color:var(--text-secondary);font-size:18px;padding:0 5px}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);backdrop-filter:blur(5px);z-index:1000;justify-content:center;align-items:center;padding:20px}.modal-content{background:var(--card-bg);border-radius:25px;width:90%;max-width:650px;padding:40px;box-shadow:0 30px 60px rgba(0,0,0,0.3);border:1px solid rgba(255,255,255,0.2);animation:modalSlideIn 0.4s cubic-bezier(0.175,0.885,0.32,1.275)}@keyframes modalSlideIn{from{opacity:0;transform:translateY(-50px) scale(0.9)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.modal-title{font-size:28px;color:var(--text-primary);font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.close-btn{background:none;border:none;font-size:28px;cursor:pointer;color:var(--text-secondary);width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;transition:all 0.3s ease}.close-btn:hover{background:var(--hover-color);color:var(--primary-color);transform:rotate(90deg)}.form-group{margin-bottom:25px}.form-group label{display:block;margin-bottom:10px;font-weight:600;color:var(--text-primary);font-size:15px}.form-group input,.form-group textarea{width:100%;padding:16px;border:2px solid var(--border-color);border-radius:15px;font-size:16px;transition:all 0.3s ease;background:var(--card-bg);color:var(--text-primary)}.form-group textarea{min-height:180px;resize:vertical}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,0.1)}.color-options{display:flex;gap:15px;flex-wrap:wrap;margin-top:15px}.color-option{width:40px;height:40px;border-radius:12px;cursor:pointer;border:3px solid var(--border-color);transition:all 0.3s ease;position:relative}.color-option:hover{transform:scale(1.1)}.color-option.selected::after{content:'✓';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:white;font-weight:bold;font-size:14px}.stats{display:flex;gap:30px;color:var(--text-secondary);font-size:15px;margin-top:15px}.stat-item{display:flex;align-items:center;gap:8px}.stat-number{font-weight:700;color:white;font-size:18px}.floating-buttons{position:fixed;bottom:30px;right:30px;display:flex;flex-direction:column;gap:15px;z-index:100}.floating-btn{width:60px;height:60px;border-radius:50%;border:none;background:var(--primary-gradient);color:white;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 10px 30px rgba(99,102,241,0.3);transition:all 0.3s ease}.floating-btn:hover{transform:scale(1.1) rotate(15deg);box-shadow:0 15px 40px rgba(99,102,241,0.4)}.toast{position:fixed;top:30px;right:30px;padding:18px 25px;background:var(--card-bg);color:var(--text-primary);border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,0.2);z-index:1000;transform:translateX(150%);transition:transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275);border-left:5px solid var(--primary-color);backdrop-filter:blur(10px);max-width:350px}.toast.show{transform:translateX(0)}.toast-content{display:flex;align-items:center;gap:15px}.toast-icon{width:40px;height:40px;border-radius:50%;background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;color:white;font-size:18px}@media (max-width:1024px){.notes-container{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}@media (max-width:768px){.header{flex-direction:column;align-items:flex-start;gap:20px;padding:20px}.controls{flex-direction:column;align-items:stretch;padding:20px}.search-sort-container{flex-direction:column}.search-box,.sort-box,.theme-selector{width:100%}.notes-container{grid-template-columns:1fr;gap:20px}.modal-content{padding:25px}.floating-buttons{bottom:20px;right:20px}.pagination-container{flex-wrap:wrap}}@media (max-width:480px){body{padding:15px}h1{font-size:24px}.buttons{flex-direction:column;width:100%}button{width:100%;justify-content:center}.note{padding:20px}.note-title{font-size:20px}.filter-buttons{flex-direction:column;align-items:stretch}.filter-btn{width:100%}}