@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--color-bg-primary:#0a0a0f;--color-bg-secondary:#13131a;--color-bg-tertiary:#1a1a24;--color-bg-elevated:#20202e;--color-surface:#ffffff08;--color-surface-hover:#ffffff0f;--color-surface-active:#ffffff17;--color-border:#ffffff14;--color-border-hover:#ffffff26;--gradient-primary:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--gradient-secondary:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);--gradient-accent:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);--gradient-success:linear-gradient(135deg,#43e97b 0%,#38f9d7 100%);--color-text-primary:#fff;--color-text-secondary:#ffffffb3;--color-text-tertiary:#ffffff80;--color-text-muted:#ffffff4d;--color-accent-primary:#667eea;--color-accent-secondary:#764ba2;--color-accent-success:#43e97b;--color-accent-warning:#ffd93d;--color-accent-error:#f5576c;--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-2xl:1.5rem;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006,0 2px 4px -1px #0000004d;--shadow-lg:0 10px 15px -3px #00000080,0 4px 6px -2px #0006;--shadow-xl:0 20px 25px -5px #0009,0 10px 10px -5px #00000080;--shadow-glow:0 0 20px #667eea4d;--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);--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem}@media (prefers-color-scheme:light){:root{--color-bg-primary:#f8f9fa;--color-bg-secondary:#fff;--color-bg-tertiary:#f1f3f5;--color-bg-elevated:#fff;--color-surface:#00000005;--color-surface-hover:#0000000a;--color-surface-active:#0000000f;--color-border:#00000014;--color-border-hover:#00000026;--color-text-primary:#1a1a1a;--color-text-secondary:#000000b3;--color-text-tertiary:#00000080;--color-text-muted:#0000004d;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--shadow-xl:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;--shadow-glow:0 0 20px #667eea26}}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4,h5,h6{color:var(--color-text-primary);font-weight:600;line-height:1.2}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}a{color:var(--color-accent-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-accent-secondary)}button,.btn{font-family:var(--font-family);font-size:var(--font-size-sm);padding:var(--spacing-sm)var(--spacing-lg);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);justify-content:center;align-items:center;gap:var(--spacing-sm);border:none;font-weight:500;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-lg),var(--shadow-glow);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-surface-hover);border-color:var(--color-border-hover)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.btn-icon{padding:var(--spacing-sm);border-radius:var(--radius-md);width:2.5rem;height:2.5rem}input,textarea{font-family:var(--font-family);font-size:var(--font-size-base);padding:var(--spacing-sm)var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-primary);transition:all var(--transition-base);width:100%}input:focus,textarea:focus{border-color:var(--color-accent-primary);outline:none;box-shadow:0 0 0 3px #667eea1a}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}textarea{resize:vertical;min-height:120px}.card{background:var(--color-bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid var(--color-border);transition:all var(--transition-base)}.card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.card-elevated{background:var(--color-bg-elevated);box-shadow:var(--shadow-lg)}.glass{-webkit-backdrop-filter:blur(10px);background:#ffffff0d;border:1px solid #ffffff1a}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn var(--transition-base)ease-out}.slide-in{animation:slideIn var(--transition-base)ease-out}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-surface-hover);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-surface-active)}.container{max-width:1200px;padding:0 var(--spacing-lg);margin:0 auto}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.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)}.text-center{text-align:center}.text-primary{color:var(--color-text-primary)}.text-secondary{color:var(--color-text-secondary)}.text-muted{color:var(--color-text-muted)}.gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.note-card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base);cursor:pointer;gap:var(--spacing-md);flex-direction:column;min-height:200px;display:flex;position:relative;overflow:hidden}.note-card:before{content:"";background:var(--gradient-primary);opacity:0;height:3px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.note-card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.note-card:hover:before{opacity:1}.note-card-header{justify-content:space-between;align-items:flex-start;gap:var(--spacing-sm);display:flex}.note-title{font-size:var(--font-size-lg);color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;margin:0;font-weight:600;overflow:hidden}.note-actions{gap:var(--spacing-xs);opacity:0;transition:opacity var(--transition-fast);display:flex}.note-actions.visible{opacity:1}.note-actions .btn-icon{width:32px;height:32px;padding:0}.delete-btn:hover{color:var(--color-accent-error);background:#f5576c1a}.note-content{color:var(--color-text-secondary);font-size:var(--font-size-sm);-webkit-line-clamp:4;-webkit-box-orient:vertical;flex:1;margin:0;line-height:1.6;display:-webkit-box;overflow:hidden}.note-footer{justify-content:space-between;align-items:center;gap:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:1px solid var(--color-border);margin-top:auto;display:flex}.note-date{font-size:var(--font-size-xs);color:var(--color-text-muted)}.note-tags{gap:var(--spacing-xs);flex-wrap:wrap;display:flex}.note-tag{font-size:var(--font-size-xs);background:var(--color-surface);border-radius:var(--radius-sm);color:var(--color-text-tertiary);border:1px solid var(--color-border);padding:2px 8px}@media (max-width:768px){.note-card{min-height:180px}.note-actions{opacity:1}}.notes-list-container{width:100%;max-width:1400px;padding:var(--spacing-xl);margin:0 auto}.notes-header{margin-bottom:var(--spacing-xl);gap:var(--spacing-lg);flex-direction:column;display:flex}.search-bar{max-width:500px;position:relative}.search-icon{left:var(--spacing-md);color:var(--color-text-muted);pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.search-input{background:var(--color-bg-secondary);border:1px solid var(--color-border);font-size:var(--font-size-base);padding-left:2.75rem}.search-input:focus{background:var(--color-bg-elevated)}.tags-filter{gap:var(--spacing-sm);flex-wrap:wrap;display:flex}.tag-btn{padding:var(--spacing-xs)var(--spacing-md);border-radius:var(--radius-xl);background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);font-size:var(--font-size-sm);transition:all var(--transition-fast)}.tag-btn:hover{background:var(--color-surface-hover);border-color:var(--color-border-hover);color:var(--color-text-primary)}.tag-btn.active{background:var(--gradient-primary);color:#fff;border-color:#0000}.notes-grid{gap:var(--spacing-lg);animation:fadeIn var(--transition-base)ease-out;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.empty-state{text-align:center;padding:var(--spacing-2xl)var(--spacing-lg);color:var(--color-text-tertiary)}.empty-icon{margin:0 auto var(--spacing-lg);opacity:.3}.empty-state h3{margin-bottom:var(--spacing-sm);color:var(--color-text-secondary)}.loading{padding:var(--spacing-2xl);justify-content:center;align-items:center;gap:var(--spacing-lg);flex-direction:column;display:flex}.loading-spinner{border:4px solid var(--color-surface);border-top-color:var(--color-accent-primary);border-radius:50%;width:48px;height:48px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:768px){.notes-list-container{padding:var(--spacing-md)}.notes-grid{grid-template-columns:1fr}.search-bar{max-width:100%}}.note-editor-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;padding:var(--spacing-lg);animation:fadeIn var(--transition-base)ease-out;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.note-editor{background:var(--color-bg-secondary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid var(--color-border);width:100%;max-width:800px;max-height:90vh;animation:slideUp var(--transition-base)ease-out;flex-direction:column;display:flex}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.note-editor-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;display:flex}.note-editor-header h2{font-size:var(--font-size-xl);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0}.note-editor-content{padding:var(--spacing-lg);gap:var(--spacing-lg);flex-direction:column;flex:1;display:flex;overflow-y:auto}.note-title-input{font-size:var(--font-size-2xl);padding:var(--spacing-sm)0;color:var(--color-text-primary);background:0 0;border:none;font-weight:600}.note-title-input:focus{box-shadow:none;border-bottom:2px solid var(--color-accent-primary);outline:none}.note-title-input::placeholder{color:var(--color-text-muted)}.note-content-input{min-height:300px;padding:var(--spacing-sm)0;font-size:var(--font-size-base);resize:none;background:0 0;border:none;flex:1;line-height:1.8}.note-content-input:focus{box-shadow:none;outline:none}.tags-section{gap:var(--spacing-sm);flex-direction:column;display:flex}.tags-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500}.tags-input-container{gap:var(--spacing-sm);display:flex}.tag-input{flex:1;max-width:300px}.tags-list{gap:var(--spacing-sm);flex-wrap:wrap;display:flex}.tag-item{align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs)var(--spacing-sm);background:var(--gradient-primary);color:#fff;border-radius:var(--radius-xl);font-size:var(--font-size-sm);animation:slideIn var(--transition-fast)ease-out;display:inline-flex}.tag-remove{color:#fff;cursor:pointer;width:18px;height:18px;transition:background var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:20px;line-height:1;display:flex}.tag-remove:hover{background:#fff3}.error-message{align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-md);border:1px solid var(--color-accent-error);border-radius:var(--radius-md);color:var(--color-accent-error);font-size:var(--font-size-sm);background:#f5576c1a;display:flex}.note-editor-footer{justify-content:flex-end;gap:var(--spacing-sm);padding:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex}.btn-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@media (max-width:768px){.note-editor-overlay{padding:0}.note-editor{border-radius:0;max-width:100%;max-height:100vh}.note-content-input{min-height:200px}.tag-input{max-width:100%}}.app{background:var(--color-bg-primary);flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:var(--spacing-lg)0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#13131acc;position:sticky;top:0}@media (prefers-color-scheme:light){.app-header{background:#fffc}}.header-content{max-width:1400px;padding:0 var(--spacing-xl);justify-content:space-between;align-items:center;gap:var(--spacing-lg);margin:0 auto;display:flex}.logo-section{align-items:center;gap:var(--spacing-md);display:flex}.logo-icon{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);justify-content:center;align-items:center;width:48px;height:48px;display:flex}.app-title{font-size:var(--font-size-2xl);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-weight:700}.app-subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin:0}.app-main{padding:var(--spacing-xl)0;flex:1}@media (max-width:768px){.header-content{padding:0 var(--spacing-md)}.logo-section{gap:var(--spacing-sm)}.logo-icon{width:40px;height:40px}.logo-icon svg{width:24px;height:24px}.app-title{font-size:var(--font-size-xl)}.app-subtitle{display:none}.btn-primary{padding:var(--spacing-sm)var(--spacing-md);font-size:var(--font-size-sm)}.btn-primary svg{width:16px;height:16px}}