:root{--bg-color: #020617;--panel-bg: rgba(15, 23, 42, .6);--panel-bg-hover: rgba(30, 41, 59, .85);--accent-color: #38bdf8;--accent-hover: #0ea5e9;--text-primary: #f8fafc;--text-secondary: #94a3b8;--border-color: rgba(255, 255, 255, .08);--glass-effect: blur(16px) saturate(180%);--danger: #ef4444;--input-bg: rgba(255, 255, 255, .05)}[data-theme=light]{--bg-color: #f8fafc;--panel-bg: #ffffff;--panel-bg-hover: #ffffff;--accent-color: #0284c7;--accent-hover: #0369a1;--text-primary: #0f172a;--text-secondary: #475569;--border-color: rgba(0, 0, 0, .1);--glass-effect: none;--danger: #dc2626;--input-bg: #ffffff}[data-theme=light] .card{background:#fff!important;border-color:#0000001a!important;box-shadow:0 4px 16px #0000000a}[data-theme=light] .card:hover{background:#fff!important;border-color:var(--accent-color)!important;box-shadow:0 10px 25px #00000014}[data-theme=light] input,[data-theme=light] select,[data-theme=light] textarea{background:#fff!important;color:#0f172a!important;border-color:#0003!important}[data-theme=light] select option{background:#fff!important;color:#0f172a!important}[data-theme=light] .markdown-body{color:#0f172a!important}textarea,textarea.input,textarea.search-input{border-radius:12px!important;resize:vertical}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,Inter,system-ui,-apple-system,sans-serif}body{background-color:var(--bg-color);background-image:radial-gradient(at 0% 0%,hsla(210,100%,15%,.1) 0,transparent 50%),radial-gradient(at 100% 0%,hsla(230,100%,15%,.1) 0,transparent 50%);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background-color .3s,color .3s}[data-theme=light] body{background-image:radial-gradient(at 0% 0%,hsla(210,100%,80%,.3) 0,transparent 50%),radial-gradient(at 100% 0%,hsla(230,100%,80%,.3) 0,transparent 50%)}.app-container{padding:2rem;max-width:1000px;margin:0 auto}.glass-panel{background:var(--panel-bg);backdrop-filter:var(--glass-effect);-webkit-backdrop-filter:var(--glass-effect);border:1px solid var(--border-color);border-radius:1.25rem;padding:2rem;box-shadow:0 10px 25px -5px #0000001a}.header{display:flex;flex-direction:column;gap:16px;margin-bottom:2.5rem}.header-top{display:flex;justify-content:space-between;align-items:center;width:100%}.header-top-actions{display:flex;align-items:center;gap:10px}.header-nav-tabs{display:flex;gap:6px;background:var(--input-bg);padding:5px;border-radius:99px;border:1px solid var(--border-color);overflow-x:auto;scrollbar-width:none}.header-nav-tabs::-webkit-scrollbar{display:none}.nav-tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 18px;border-radius:99px;border:none;background:transparent;color:var(--text-secondary);font-size:.88rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .2s cubic-bezier(.4,0,.2,1)}.nav-tab-btn:hover{color:var(--text-primary);background:#ffffff0d}.nav-tab-btn.active{background:var(--accent-color);color:#fff!important;box-shadow:0 4px 14px #0284c759}.title{font-size:1.5rem;font-weight:800;letter-spacing:-.025em;background:linear-gradient(135deg,var(--accent-color) 0%,#818cf8 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.theme-toggle{background:var(--input-bg);border:1px solid var(--border-color);color:var(--text-primary);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.theme-toggle:hover{background:var(--border-color);transform:rotate(15deg)}.search-container{position:relative;width:100%}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none}.search-input{width:100%;padding:.75rem 1rem .75rem 2.5rem;border-radius:99px;background:var(--input-bg);border:1px solid var(--border-color);color:var(--text-primary);transition:all .3s cubic-bezier(.4,0,.2,1)}.search-input:focus{outline:none;background:var(--input-bg);border-color:var(--accent-color);box-shadow:0 0 0 4px #38bdf81a}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary);font-size:1.1rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.card{transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;display:flex;flex-direction:column}.card:hover{transform:translateY(-6px) scale(1.02);border-color:var(--accent-color);background:var(--panel-bg-hover);box-shadow:0 12px 28px -5px #0000001f}.card-header-actions{display:flex;justify-content:space-between;align-items:flex-start;width:100%}.category-actions{display:flex;gap:8px}.action-btn.sm{width:28px;height:28px}.add-card{border-style:dashed;color:var(--text-secondary);justify-content:center;align-items:center;gap:12px;min-height:180px}.add-card:hover{color:var(--accent-color)}.card-icon{font-size:2.5rem;margin-bottom:1.25rem}.card-title{font-size:1.25rem;font-weight:700;margin-bottom:.75rem;color:var(--text-primary)}.card-desc{font-size:.95rem;color:var(--text-secondary)}.article-card{padding:1.5rem;display:flex;flex-direction:column;justify-content:space-between}.article-content{cursor:pointer}.article-tags-preview{display:flex;flex-wrap:wrap;gap:6px;margin-top:1rem}.article-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:1.5rem;padding-top:1rem;border-top:1px solid var(--border-color)}.action-btn{background:#ffffff0d;border:1px solid var(--border-color);color:var(--text-secondary);width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.action-btn:hover{background:var(--accent-color);color:#fff!important;border-color:var(--accent-color)}.action-btn:hover svg{color:#fff!important;stroke:#fff!important}.action-btn.danger:hover{background:var(--danger);color:#fff!important;border-color:var(--danger)}.action-btn.danger:hover svg{color:#fff!important;stroke:#fff!important}.tag-pill{background:#38bdf81a;color:var(--accent-color);padding:4px 10px;border-radius:99px;font-size:.8rem;font-weight:600;display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(56,189,248,.2)}.tag-pill.sm{font-size:.7rem;padding:2px 8px}.tag-pill.editable{padding-right:6px}.tag-pill svg{cursor:pointer;opacity:.7}.tag-pill svg:hover{opacity:1}.article-tags-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:2rem}.tag-input-container{display:flex;gap:10px;margin-bottom:1rem}.no-margin{margin-bottom:0!important}.editor-tags-display{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.5rem}.article-viewer{max-width:800px;margin:0 auto}.article-title{font-size:2.5rem;font-weight:800;margin-bottom:2rem;line-height:1.2}.markdown-body{font-size:1.1rem;color:#e2e8f0}.markdown-body h2{margin-top:2rem;margin-bottom:1rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.markdown-body p{margin-bottom:1.25rem}.markdown-body ul,.markdown-body ol{margin-bottom:1.25rem;padding-left:1.5rem}.markdown-body li{margin-bottom:.5rem}.markdown-body code{background:#ffffff1a;padding:.2rem .4rem;border-radius:4px;font-size:.9em}.markdown-body img{max-width:340px;max-height:220px;width:auto;height:auto;object-fit:cover;border-radius:12px;margin:1rem 0;display:block;box-shadow:0 4px 16px #00000040;border:1px solid var(--border-color);cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s}.markdown-body img:hover{transform:scale(1.02);border-color:var(--accent-color);box-shadow:0 8px 24px #38bdf840}.markdown-body iframe{width:100%;max-width:380px;height:215px;aspect-ratio:16 / 9;border-radius:12px;margin:1rem 0;display:block;border:1px solid var(--border-color);box-shadow:0 4px 16px #0000004d}.markdown-body audio{width:100%;max-width:360px;margin:1rem 0;display:block;border-radius:12px;outline:none}.btn{display:inline-flex;align-items:center;gap:8px;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;cursor:pointer;transition:all .2s;border:none}.btn-primary{background:var(--accent-color);color:#fff!important}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #38bdf84d}.btn-ghost{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-ghost:hover{background:#ffffff0d}.view-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;gap:20px}.input{width:100%;padding:1rem;border-radius:12px;background:#0f172a66;border:1px solid var(--border-color);color:var(--text-primary);margin-top:.5rem;margin-bottom:1.5rem;transition:border-color .2s}input[type=time]::-webkit-calendar-picker-indicator,input[type=date]::-webkit-calendar-picker-indicator{filter:invert(1) brightness(1.8);cursor:pointer}[data-theme=light] input[type=time]::-webkit-calendar-picker-indicator,[data-theme=light] input[type=date]::-webkit-calendar-picker-indicator{filter:none}.text-editor{min-height:400px;resize:vertical;line-height:1.6}.form-footer{display:flex;justify-content:flex-end;margin-top:1rem}.modal-overlay{position:fixed;inset:0;background:#020617bf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px}.modal-content{width:100%;max-width:520px;background:#0f172a!important;color:var(--text-primary);border:1px solid rgba(255,255,255,.12)!important;border-radius:20px!important;padding:28px!important;box-shadow:0 25px 50px -12px #000000bf,0 0 30px #38bdf814!important}[data-theme=light] .modal-content{background:#fff!important;color:#0f172a!important;border:1px solid rgba(0,0,0,.12)!important;box-shadow:0 25px 50px -12px #00000040!important}.modal-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:1.5rem}.error-text{color:var(--danger);font-size:.875rem;margin-top:-1rem;margin-bottom:1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn .4s cubic-bezier(.2,1,.3,1) forwards}.animate-pop-in{animation:popIn .3s cubic-bezier(.2,1,.3,1) forwards}.loading-spinner{text-align:center;padding:4rem;color:var(--text-secondary)}label{font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}@media(max-width:900px){.app-container{padding:1.25rem}.header{flex-direction:column;align-items:stretch;gap:16px;margin-bottom:2rem}.header-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.search-container{max-width:100%}.schedule-slots-grid{grid-template-columns:1fr!important}}@media(max-width:640px){.app-container{padding:.75rem}.title{font-size:1.35rem;justify-content:center}.grid{grid-template-columns:1fr;gap:1rem}.glass-panel{padding:1.25rem;border-radius:1rem}.time-slot-row{flex-wrap:wrap}.time-slot-row input[type=time]{flex:1;min-width:95px}.header-actions button{flex:1;min-width:90px;justify-content:center;padding:8px 12px;font-size:.82rem}.modal-content{padding:20px!important}.view-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:1.25rem}.view-header h2,.view-header h3{width:100%;order:3;text-align:center;margin-top:4px;font-size:1.25rem;word-break:break-word}.view-header button{font-size:.85rem;padding:6px 12px}}