@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Nunito+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap";@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Nunito+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap";.study-page{min-height:100vh;display:flex;flex-direction:column}.study-header{background:var(--bg2);border-bottom:1.5px solid var(--border);position:sticky;top:0;z-index:50}.study-header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;gap:10px;padding:10px 16px}.study-logo{display:flex;align-items:center;gap:9px;margin-right:auto;min-width:0}.logo-icon{font-size:26px;flex-shrink:0}.logo-title{font-size:16px;font-weight:800;font-family:Nunito,sans-serif;white-space:nowrap;line-height:1.2}.logo-sub{font-size:11px;color:var(--text2);font-weight:600;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:7px;flex-shrink:0}.theme-btn{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--border);background:var(--bg3);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;transition:all .2s;color:var(--text);flex-shrink:0}.theme-btn:hover{border-color:var(--accent);background:var(--accent);color:#fff}.session-stats{display:flex;gap:5px;flex-shrink:0}.stat-chip{padding:4px 10px;border-radius:99px;font-size:11px;font-weight:700;border:1.5px solid;font-family:Nunito,sans-serif;white-space:nowrap}.stat-chip.correct{background:#10b98115;color:var(--green);border-color:#10b98130}.stat-chip.wrong{background:#f43f5e15;color:var(--red);border-color:#f43f5e30}.stat-chip.skip{background:#f59e0b15;color:var(--yellow);border-color:#f59e0b30}.stat-chip.acc{background:linear-gradient(135deg,#6366f115,#8b5cf615);color:var(--accent);border-color:#6366f130}.cat-strip{background:var(--bg2);border-bottom:1.5px solid var(--border);overflow:hidden}.cat-strip-inner{display:flex;gap:6px;padding:8px 16px;overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.cat-strip-inner::-webkit-scrollbar{height:3px}.cat-strip-inner::-webkit-scrollbar-track{background:transparent}.cat-strip-inner::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.cat-pill{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:99px;border:1.5px solid var(--border);background:transparent;color:var(--text2);font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;flex-shrink:0;font-family:Nunito,sans-serif;transition:all .15s}.cat-pill:hover{background:var(--bg3);color:var(--text);border-color:var(--accent)}.cat-pill.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 3px 12px #6366f14d}.pill-count{background:#ffffff40;color:inherit;padding:1px 6px;border-radius:99px;font-size:10px}.cat-pill:not(.active) .pill-count{background:var(--bg3);color:var(--text3)}.study-main{flex:1;max-width:740px;width:100%;margin:0 auto;padding:24px 16px}.loading-state,.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:80px 20px;color:var(--text2);text-align:center}.empty-icon{font-size:48px}.flashcard-wrap{display:flex;flex-direction:column;gap:14px}.flashcard-wrap.flipping{opacity:.3;transform:scale(.98);transition:all .12s}.flashcard{background:var(--bg2);border:1.5px solid var(--border);border-radius:20px;padding:28px 32px;box-shadow:var(--shadow)}.card-cat-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:99px;font-size:11px;font-weight:700;border:1.5px solid;font-family:Nunito,sans-serif;margin-bottom:14px}.difficulty-row{display:flex;align-items:center;gap:4px;margin-bottom:18px}.diff-dot{width:7px;height:7px;border-radius:50%;background:var(--border)}.diff-dot.filled{background:var(--yellow)}.diff-label{font-size:11px;color:var(--text2);margin-left:4px;font-weight:600}.question-section{margin-bottom:24px}.question-label{font-size:10px;letter-spacing:2px;color:var(--accent);font-weight:800;margin-bottom:10px;font-family:Nunito,sans-serif;text-transform:uppercase}.question-text{font-size:20px;font-weight:700;line-height:1.5;font-family:Nunito,sans-serif}.question-img{max-width:100%;border-radius:12px;margin-top:14px;border:1.5px solid var(--border)}.mcq-options{display:flex;flex-direction:column;gap:10px;margin-top:6px}.mcq-option{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:14px;border:2px solid var(--border);background:var(--bg3);cursor:pointer;font-size:14px;font-weight:600;transition:all .15s;text-align:left;font-family:Nunito Sans,sans-serif;color:var(--text)}.mcq-option:hover:not(:disabled){border-color:var(--accent);background:linear-gradient(135deg,#6366f110,#8b5cf610)}.mcq-option:disabled{cursor:default}.mcq-option.selected-correct{border-color:var(--green)!important;background:#10b98118!important;color:var(--green)!important}.mcq-option.selected-wrong{border-color:var(--red)!important;background:#f43f5e18!important;color:var(--red)!important}.mcq-option.reveal-correct{border-color:var(--green)!important;background:#10b98110!important}.mcq-label{width:28px;height:28px;border-radius:8px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--bg2);border:1.5px solid var(--border);font-size:12px;font-weight:800;font-family:Nunito,sans-serif}.mcq-option.selected-correct .mcq-label{background:var(--green);color:#fff;border-color:var(--green)}.mcq-option.selected-wrong .mcq-label{background:var(--red);color:#fff;border-color:var(--red)}.mcq-option.reveal-correct .mcq-label{background:var(--green);color:#fff;border-color:var(--green)}.reveal-area{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px;border:2px dashed var(--border);border-radius:16px;background:var(--bg3)}.btn-reveal{display:inline-flex;align-items:center;gap:9px;padding:14px 32px;border-radius:99px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;cursor:pointer;font-size:15px;font-weight:800;font-family:Nunito,sans-serif;transition:all .2s;box-shadow:0 5px 18px #6366f166}.btn-reveal:hover{transform:translateY(-2px);box-shadow:0 9px 24px #6366f180}.reveal-hint{font-size:12px;color:var(--text3);font-weight:600}.answer-section{border-top:1.5px solid var(--border);padding-top:22px}.answer-label{font-size:10px;letter-spacing:2px;color:var(--green);font-weight:800;margin-bottom:10px;text-transform:uppercase;font-family:Nunito,sans-serif}.answer-content{font-size:14px;line-height:1.75}.theory-box{margin-top:18px;background:var(--bg3);border:1.5px solid var(--border);border-radius:14px;overflow:hidden}.theory-summary{padding:12px 16px;cursor:pointer;font-weight:800;font-size:14px;list-style:none;display:flex;align-items:center;gap:8px;font-family:Nunito,sans-serif}.theory-summary::-webkit-details-marker{display:none}.theory-content{padding:0 16px 16px;font-size:13px;line-height:1.75}.result-buttons{margin-top:22px}.result-q{font-size:13px;color:var(--text2);margin-bottom:10px;text-align:center;font-weight:600}.result-btns{display:flex;gap:10px}.result-btn{flex:1;padding:12px;border-radius:14px;border:2px solid;cursor:pointer;font-family:Nunito,sans-serif;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:7px;transition:all .15s}.result-btn.correct{background:#10b98112;color:var(--green);border-color:var(--green)}.result-btn.correct:hover{background:#10b98122;transform:translateY(-2px)}.result-btn.wrong{background:#f43f5e12;color:var(--red);border-color:var(--red)}.result-btn.wrong:hover{background:#f43f5e22;transform:translateY(-2px)}.card-controls{display:flex;justify-content:center;gap:10px}.progress-bar-wrap{margin-top:6px}.progress-bar{height:7px;background:var(--bg3);border-radius:99px;position:relative;overflow:hidden}.progress-fill{position:absolute;top:0;height:100%;transition:width .4s;border-radius:99px}.correct-fill{background:var(--green);left:0}.wrong-fill{background:var(--red)}.progress-label{font-size:11px;color:var(--text3);margin-top:5px;text-align:center;font-weight:600}.rich-content h1,.rich-content h2,.rich-content h3{font-family:Nunito,sans-serif;margin:10px 0 6px}.rich-content ul,.rich-content ol{padding-left:20px;margin:6px 0}.rich-content li{margin:3px 0}.rich-content p{margin:5px 0}.rich-content code{background:var(--bg3);color:var(--accent);padding:2px 6px;border-radius:5px;font-size:12px;border:1px solid var(--border);font-family:JetBrains Mono,monospace}.rich-content pre{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:14px;overflow-x:auto;margin:10px 0;font-family:JetBrains Mono,monospace;font-size:12.5px}.rich-content strong{font-weight:800}.rich-content th{background:var(--bg3);padding:7px 10px;border:1px solid var(--border);font-weight:800}.rich-content td{padding:7px 10px;border:1px solid var(--border)}.study-footer{text-align:center;padding:14px;font-size:12px;color:var(--text3);border-top:1.5px solid var(--border);font-weight:600}.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.animate-fade{animation:fadeIn .25s ease}.animate-slide{animation:slideUp .35s cubic-bezier(.34,1.56,.64,1)}@media (max-width:600px){.study-header-inner{padding:8px 12px}.flashcard{padding:18px}.question-text{font-size:16px}.session-stats .stat-chip.acc,.logo-sub{display:none}}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:224px;min-width:224px;background:var(--bg2);border-right:1.5px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1.5px solid var(--border)}.sidebar-title{font-size:14px;font-weight:800;font-family:Nunito,sans-serif}.sidebar-sub{font-size:11px;color:var(--text2);font-weight:600}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.nav-item{display:block;padding:10px 14px;border-radius:12px;color:var(--text2);font-size:14px;font-weight:700;cursor:pointer;border:none;background:none;font-family:Nunito,sans-serif;text-align:left;width:100%;transition:all .15s;text-decoration:none}.nav-item:hover{background:var(--bg3);color:var(--text)}.nav-item.active{background:linear-gradient(135deg,#6366f118,#8b5cf618);color:var(--accent)}.nav-item.logout{color:var(--red)}.nav-item.logout:hover{background:#f43f5e15}.nav-item.theme-toggle{color:var(--text2)}.sidebar-footer{padding:8px;border-top:1.5px solid var(--border);display:flex;flex-direction:column;gap:2px}.admin-content{flex:1;overflow-y:auto;padding:28px;max-width:calc(100vw - 224px)}@media (max-width:768px){.admin-layout{flex-direction:column}.admin-sidebar{width:100%;height:auto;position:static}.admin-content{max-width:100%;padding:16px}.sidebar-nav{flex-direction:row;overflow-x:auto}}.dash-page{max-width:860px}.dash-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.stat-card{background:var(--bg2);border:1.5px solid var(--border);border-radius:18px;padding:20px;text-align:center;box-shadow:var(--shadow2);transition:transform .15s}.stat-card:hover{transform:translateY(-3px)}.stat-icon{font-size:28px;margin-bottom:8px}.stat-value{font-size:26px;font-weight:900;color:var(--sc,var(--accent));font-family:Nunito,sans-serif}.stat-label{font-size:12px;color:var(--text2);margin-top:4px;font-weight:700}.dash-section-title{font-size:15px;font-weight:800;margin:28px 0 12px;font-family:Nunito,sans-serif;color:var(--text2);text-transform:uppercase;letter-spacing:1px}.cat-stat-list{display:flex;flex-direction:column;gap:10px}.cat-stat-row{background:var(--bg2);border:1.5px solid var(--border);border-radius:14px;padding:14px 18px}.cat-stat-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.cat-stat-name{font-size:14px;font-weight:700;font-family:Nunito,sans-serif}.cat-stat-nums{font-size:12px;color:var(--text2);font-weight:600}.cat-mini-bar{height:6px;background:var(--bg3);border-radius:99px;overflow:hidden}.cat-mini-fill{height:100%;border-radius:99px;transition:width .6s cubic-bezier(.34,1.56,.64,1)}.activity-list{display:flex;flex-direction:column;gap:6px}.activity-row{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1.5px solid var(--border);border-radius:12px;padding:10px 14px;font-size:13px}.act-badge{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0}.act-badge.correct{background:#10b98115;color:var(--green)}.act-badge.wrong{background:#f43f5e15;color:var(--red)}.act-badge.skip{background:#f59e0b15;color:var(--yellow)}.act-q{flex:1;color:var(--text);font-weight:600}.act-cat{font-size:11px;color:var(--accent);font-weight:700;white-space:nowrap}.act-time{font-size:11px;color:var(--text3);white-space:nowrap}@media (max-width:600px){.dash-stat-grid{grid-template-columns:repeat(2,1fr)}.act-cat,.act-time{display:none}}.cards-page{max-width:900px}.cards-filters{display:flex;gap:10px;margin:16px 0;flex-wrap:wrap}.cards-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}.card-row{display:flex;align-items:center;gap:14px;background:var(--bg2);border:1.5px solid var(--border);border-radius:16px;padding:16px 18px;transition:box-shadow .15s,transform .15s}.card-row:hover{box-shadow:var(--shadow2);transform:translateY(-1px)}.card-row-main{flex:1;min-width:0}.card-row-cat{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:700;border:1.5px solid;font-family:Nunito,sans-serif;margin-bottom:8px}.card-row-q{font-size:14px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-row-meta{display:flex;align-items:center;gap:12px;margin-top:6px}.card-row-actions{display:flex;gap:6px;flex-shrink:0}.edit-page{max-width:780px}.edit-form{margin-top:20px;display:flex;flex-direction:column;gap:18px}.edit-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rte-wrap{border:1.5px solid var(--border);border-radius:14px;overflow:hidden;background:var(--bg2);transition:border-color .15s}.rte-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11f}.rte-toolbar{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding:8px 10px;border-bottom:1.5px solid var(--border);background:var(--bg3)}.rte-group{display:flex;gap:3px}.rte-group+.rte-group{padding-left:8px;border-left:1.5px solid var(--border)}.rte-btn{padding:5px 10px;border-radius:7px;border:none;background:transparent;color:var(--text2);font-size:12px;font-weight:700;cursor:pointer;font-family:Nunito,sans-serif;transition:all .12s}.rte-btn:hover{background:var(--bg2);color:var(--text)}.rte-btn.active{background:var(--accent);color:#fff}.rte-content{min-height:140px;padding:14px 16px;outline:none;font-size:14px;line-height:1.7;color:var(--text)}.rte-content p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;color:var(--text3);pointer-events:none;height:0}.rte-content>*{margin:0}.rte-content>*+*{margin-top:6px}.rte-content pre{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px}.rte-content pre code{font-family:JetBrains Mono,monospace;font-size:12.5px;color:#a5d6a7;background:none}.rte-content code{background:var(--bg3);color:var(--accent);padding:2px 6px;border-radius:4px;font-size:12.5px;font-family:JetBrains Mono,monospace}.rte-content ul,.rte-content ol{padding-left:20px}.rte-content h3{font-size:15px;font-weight:800;font-family:Nunito,sans-serif}.edit-tabs{display:flex;gap:4px}.tab-btn{padding:9px 18px;border-radius:10px 10px 0 0;border:1.5px solid var(--border);border-bottom:none;background:var(--bg3);color:var(--text2);font-size:13px;font-weight:700;cursor:pointer;font-family:Nunito,sans-serif;transition:all .12s}.tab-btn.active{background:var(--bg2);color:var(--accent);border-color:var(--accent)}.tab-btn+.rte-wrap{border-top-left-radius:0}.edit-tabs+.rte-wrap{border-top-left-radius:0;margin-top:-1px}.mcq-toggle-row{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--bg3);border-radius:12px;border:1.5px solid var(--border)}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:700;font-size:14px;font-family:Nunito,sans-serif}.toggle-label input[type=checkbox]{display:none}.toggle-switch{width:38px;height:22px;border-radius:11px;background:var(--border);position:relative;flex-shrink:0;transition:background .2s}.toggle-switch:after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform .2s}.toggle-label input:checked+.toggle-switch{background:var(--accent)}.toggle-label input:checked+.toggle-switch:after{transform:translate(16px)}.mcq-edit-section{background:var(--bg3);border:1.5px solid var(--border);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:10px}.mcq-edit-title{font-size:12px;font-weight:800;color:var(--text2);text-transform:uppercase;letter-spacing:1px}.mcq-edit-row{display:flex;align-items:center;gap:10px}.mcq-edit-label{width:32px;height:32px;border-radius:9px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--bg2);border:2px solid var(--border);font-size:13px;font-weight:800;cursor:pointer;font-family:Nunito,sans-serif;color:var(--text2);transition:all .15s}.mcq-edit-label:hover{border-color:var(--accent);color:var(--accent)}.mcq-edit-label.correct{background:var(--green);color:#fff;border-color:var(--green)}.mcq-edit-badge{font-size:11px;font-weight:700;color:var(--green);background:#10b98115;padding:3px 9px;border-radius:99px;border:1.5px solid #10b98130;white-space:nowrap}.mcq-edit-hint{font-size:11px;color:var(--text3);margin-top:2px}.image-upload-row{display:flex;gap:10px}.image-preview{max-width:220px;border-radius:10px;margin-top:10px;border:1.5px solid var(--border)}.edit-actions{display:flex;gap:10px;padding-top:6px}@media (max-width: 600px){.edit-row-2{grid-template-columns:1fr}}.ie-page{max-width:700px}.ie-mode-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;background:var(--bg2);border:1.5px solid var(--border);border-radius:14px;margin-top:16px}.ie-warn-inline{font-size:12px;color:var(--red);font-weight:700}.ie-card{background:var(--bg2);border:1.5px solid var(--border);border-radius:20px;padding:22px 24px;margin-top:14px;box-shadow:var(--shadow2)}.ie-card-header{display:flex;align-items:center;gap:14px;margin-bottom:16px}.ie-icon{width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.ie-card-title{font-size:15px;font-weight:800;font-family:Nunito,sans-serif}.ie-card-sub{font-size:12px;color:var(--text2);margin-top:2px}.mode-btn{padding:7px 16px;border-radius:99px;border:2px solid var(--border);background:var(--bg3);color:var(--text2);font-size:13px;font-weight:700;cursor:pointer;font-family:Nunito,sans-serif;transition:all .15s}.mode-btn:hover{border-color:var(--accent);color:var(--accent)}.mode-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.mode-btn.danger.active{background:var(--red);border-color:var(--red)}.ie-file-label{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:99px;border:2px dashed var(--border);cursor:pointer;font-size:13px;font-weight:700;color:var(--text2);font-family:Nunito,sans-serif;transition:all .15s}.ie-file-label:hover{border-color:var(--accent);color:var(--accent);background:var(--bg3)}.ie-file-label.xlsx{border-color:var(--cyan);color:var(--cyan)}.ie-file-label.xlsx:hover{background:var(--cyan)10}.ie-upload-row{display:flex;align-items:center;gap:12px}.ie-preview-badge{padding:5px 12px;border-radius:99px;font-size:12px;font-weight:700;background:#10b98115;color:var(--green);border:1.5px solid #10b98130}.ie-or-divider{text-align:center;position:relative;margin:14px 0;color:var(--text3);font-size:12px}.ie-or-divider:before,.ie-or-divider:after{content:"";position:absolute;top:50%;width:calc(50% - 36px);height:1px;background:var(--border)}.ie-or-divider:before{left:0}.ie-or-divider:after{right:0}.ie-json-input{font-family:JetBrains Mono,monospace;font-size:12.5px;resize:vertical;min-height:140px;width:100%}.ie-actions{display:flex;gap:10px}.ie-guide{border-style:dashed}.ie-guide-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:4px}.ie-guide-table th{background:var(--bg3);padding:8px 10px;border:1px solid var(--border);font-weight:800;text-align:left}.ie-guide-table td{padding:7px 10px;border:1px solid var(--border)}.ie-guide-table code{font-family:JetBrains Mono,monospace;font-size:12px;color:var(--accent);background:var(--bg3);padding:1px 5px;border-radius:4px}:root{--bg: #f0f4ff;--bg2: #ffffff;--bg3: #f5f7ff;--border: #e0e6f5;--text: #1e2340;--text2: #5a6380;--text3: #9ba3bf;--accent: #6366f1;--accent2: #8b5cf6;--green: #10b981;--red: #f43f5e;--yellow: #f59e0b;--cyan: #06b6d4;--shadow: 0 4px 24px rgba(99,102,241,.1);--shadow2: 0 2px 8px rgba(99,102,241,.08);--radius: 16px;--radius-sm: 10px}[data-theme=dark]{--bg: #0f1117;--bg2: #161b27;--bg3: #1c2232;--border: #252d40;--text: #e8edf8;--text2: #8892b0;--text3: #4a5470;--accent: #818cf8;--accent2: #a78bfa;--green: #34d399;--red: #fb7185;--yellow: #fbbf24;--cyan: #22d3ee;--shadow: 0 4px 24px rgba(0,0,0,.4);--shadow2: 0 2px 8px rgba(0,0,0,.3)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Nunito Sans,sans-serif;min-height:100vh;line-height:1.6;transition:background .2s,color .2s}h1,h2,h3,h4,h5,.logo-title,.page-title{font-family:Nunito,sans-serif}code,pre,.mono{font-family:JetBrains Mono,monospace}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 22px;border:none;border-radius:99px;cursor:pointer;font-family:Nunito,sans-serif;font-size:14px;font-weight:700;transition:all .18s;white-space:nowrap;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f173}.btn-success{background:var(--green);color:#fff;box-shadow:0 4px 14px #10b9814d}.btn-success:hover{transform:translateY(-2px)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{filter:brightness(1.1)}.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border);box-shadow:none}.btn-ghost:hover{background:var(--bg3);color:var(--text);border-color:var(--accent)}.btn-sm{padding:6px 14px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}input,select,textarea{background:var(--bg3);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:Nunito Sans,sans-serif;font-size:14px;padding:10px 14px;width:100%;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #6366f126}label{font-size:13px;color:var(--text2);margin-bottom:6px;display:block;font-weight:600}.rich-content h1,.rich-content h2,.rich-content h3{font-family:Nunito,sans-serif;margin:12px 0 8px;color:var(--text)}.rich-content ul,.rich-content ol{padding-left:22px;margin:8px 0}.rich-content li{margin:4px 0}.rich-content p{margin:6px 0}.rich-content code{background:var(--bg3);color:var(--accent);padding:2px 7px;border-radius:6px;font-size:13px;border:1px solid var(--border)}.rich-content pre{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin:12px 0}.rich-content pre code{background:none;padding:0;color:#a5d6a7;border:none}.rich-content img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0}.rich-content strong{color:var(--text);font-weight:700}.rich-content a{color:var(--accent)}.rich-content table{width:100%;border-collapse:collapse;margin:8px 0;font-size:13px}.rich-content th{background:var(--bg3);padding:8px 12px;border:1px solid var(--border)}.rich-content td{padding:8px 12px;border:1px solid var(--border)}.spinner{display:inline-block;width:20px;height:20px;border:2.5px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes slideUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@keyframes pop{0%{transform:scale(.95)}60%{transform:scale(1.02)}to{transform:scale(1)}}.animate-fade{animation:fadeIn .3s ease}.animate-slide{animation:slideUp .4s cubic-bezier(.34,1.56,.64,1)}.animate-pop{animation:pop .3s cubic-bezier(.34,1.56,.64,1)}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:4px}.page-title{font-size:22px;font-weight:800}.page-sub{color:var(--text2);font-size:13px;margin-top:4px}