#app-content[data-theme="light"]{--primary-light:#6c83f7;--darker:#020617;--gray-light:#94a3b8}
#app-content[data-theme="dark"]{--primary-light:#6c83f7;--darker:#020617;--gray-light:#94a3b8}
.upload-zone{border:2.5px dashed rgba(67,97,238,0.3);border-radius:var(--radius-lg);padding:3.5rem 2rem;text-align:center;transition:all .3s;background:rgba(67,97,238,0.03);cursor:pointer}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(67,97,238,0.07)}
.upload-zone .icon{font-size:3.5rem;color:var(--primary);margin-bottom:16px}
.upload-zone h3{font-size:1.3rem;margin-bottom:8px;color:var(--text-primary)}
.upload-zone p{color:var(--text-secondary);margin-bottom:20px}
.upload-zone .btn-upload{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-weight:600;font-size:.95rem;border-radius:10px;border:none;cursor:pointer;transition:all .25s;text-decoration:none;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(67,97,238,0.3);margin-top:8px}
.upload-zone .btn-upload:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(67,97,238,0.4);color:#fff}
.upload-zone .btn-secondary-upload{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;font-weight:600;font-size:.88rem;border-radius:10px;border:none;cursor:pointer;transition:all .25s;text-decoration:none;background:transparent;border:2px solid var(--border);color:var(--text-secondary)}
.upload-zone .btn-secondary-upload:hover{background:var(--bg-card-hover);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.file-info-bar{background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:.88rem;color:var(--text-secondary);margin-bottom:1rem}
.file-info-bar .info-chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);padding:4px 12px;border-radius:8px;border:1px solid var(--border);white-space:nowrap}
.file-info-bar .info-chip i{color:var(--primary);font-size:.8rem}
.stats-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:12px 0}
.stat-box{background:var(--bg-body);border:1px solid var(--border);border-radius:10px;padding:12px;text-align:center}
.stat-box .s-val{font-size:1.2rem;font-weight:800;color:var(--text-primary)}
.stat-box .s-lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-top:2px}
.preview-container{background:var(--bg-body);border-radius:var(--radius);padding:1.5rem;min-height:200px;border:1px solid var(--border)}
.text-toolbar{display:flex;flex-wrap:wrap;gap:6px;padding:12px;background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px}
.text-toolbar .tt-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--bg-card);border-radius:6px;cursor:pointer;transition:all .2s;color:var(--text-secondary);font-size:.9rem}
.text-toolbar .tt-btn:hover{background:rgba(67,97,238,0.08);border-color:var(--primary);color:var(--primary)}
.text-toolbar .tt-sep{width:1px;background:var(--border);margin:4px 6px}
.text-editor-box{width:100%;min-height:280px;padding:16px 20px;border:2px solid var(--border);border-radius:var(--radius);font-family:'Courier New',monospace;font-size:14px;line-height:1.7;resize:vertical;transition:border-color .2s;background:var(--bg-card);color:var(--text-primary)}
.text-editor-box:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(67,97,238,0.1)}
.live-preview-wrap{background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-top:1rem}
.live-preview-wrap .lbl{font-size:.82rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.live-preview-wrap .lbl i{color:var(--primary)}
.live-preview-page{width:100%;max-width:600px;margin:0 auto;border-radius:8px;box-shadow:0 2px 16px rgba(0,0,0,0.12);overflow:hidden;transition:all .2s}
.live-preview-content{font-family:'Times New Roman',serif;font-size:12pt;line-height:1.15;padding:20mm;color:#000;background:#fff;min-height:200px;max-height:400px;overflow-y:auto;white-space:pre-wrap;word-wrap:break-word}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:16px 0}
.setting-card{background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;transition:border-color .2s}
.setting-card:focus-within{border-color:var(--primary)}
.setting-card label{font-size:.82rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.setting-card label i{color:var(--primary);font-size:.9rem}
.setting-card select,.setting-card input[type="color"],.setting-card input[type="text"]{border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:.92rem;color:var(--text-primary);background:var(--bg-card);width:100%;cursor:pointer}
.setting-card select:focus,.setting-card input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(67,97,238,0.1)}
.setting-card input[type="checkbox"]{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}
.setting-card .checkbox-group{display:flex;flex-direction:column;gap:8px}
.setting-card .checkbox-group label{font-size:.85rem;font-weight:400;text-transform:none;display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-secondary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;font-weight:600;font-size:.95rem;border-radius:10px;border:none;cursor:pointer;transition:all .25s;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(67,97,238,0.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(67,97,238,0.4);color:#fff}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff;box-shadow:0 4px 15px rgba(6,214,160,0.3)}
.btn-success:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(6,214,160,0.4);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text-secondary)}
.btn-outline:hover{background:var(--bg-card-hover);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 36px;font-size:1.05rem}
.btn-sm{padding:8px 16px;font-size:.85rem}
.d-none{display:none!important}.mt-3{margin-top:1rem!important}.mt-4{margin-top:1.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}
.trust-bar{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;padding:20px;margin:16px 0;background:var(--bg-body);border-radius:var(--radius);border:1px solid var(--border)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-secondary)}
.trust-item i{color:var(--primary)}
.content-card{background:var(--bg-card);border-radius:var(--radius-xl);padding:40px;margin-bottom:32px;box-shadow:var(--shadow);border:1px solid var(--border)}
.content-card h2{font-size:1.5rem;margin-bottom:16px;color:var(--text-primary)}
.content-card h3{font-size:1.2rem;margin-bottom:12px;color:var(--text-primary)}
.content-card p{color:var(--text-secondary);margin-bottom:16px;line-height:1.8}
.content-card ul{color:var(--text-secondary);margin-bottom:16px;padding-left:20px}
.content-card ul li{margin-bottom:8px}
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin:24px 0}
.case-card{background:var(--bg-body);border-radius:14px;padding:24px;border:1px solid var(--border);transition:all .25s;position:relative}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.case-number{position:absolute;top:12px;right:16px;font-size:2rem;font-weight:900;color:rgba(67,97,238,0.08);line-height:1}
.case-card h3{font-size:1rem;font-weight:600;margin-bottom:12px;color:var(--text-primary)}
.case-detail{font-size:.88rem;color:var(--text-secondary);margin-bottom:8px;line-height:1.5}
.case-detail strong{color:var(--primary)}
.usage-steps{margin:24px 0}
.usage-step{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start}
.usage-step:last-child{margin-bottom:0}
.usage-step-num{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem;flex-shrink:0}
.usage-step-content{flex:1}
.usage-step-content h3{font-size:.95rem;margin-bottom:4px}
.usage-step-content p{font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin-bottom:0}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all .2s;background:var(--bg-body)}
.faq-item:hover{border-color:var(--primary)}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:18px 20px;background:var(--bg-card);border:none;cursor:pointer;font-size:.95rem;font-weight:600;color:var(--text-primary);text-align:left;transition:all .2s}
.faq-question:hover{background:rgba(67,97,238,0.05)}
.faq-toggle{transition:transform .3s;color:var(--gray);flex-shrink:0}
.faq-item.open .faq-toggle{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 20px;background:var(--bg-body)}
.faq-item.open .faq-answer{max-height:800px;padding:16px 20px}
.faq-answer div{font-size:.9rem;color:var(--text-secondary);line-height:1.7}
.related-tools{margin:60px 0;padding:40px;background:var(--bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow);border:1px solid var(--border)}
.related-tools h2{font-size:1.5rem;margin-bottom:8px}
.related-tools>p{color:var(--text-secondary);margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.related-card{display:flex;flex-direction:column;padding:14px 16px;background:var(--bg-body);border-radius:var(--radius);border:1px solid var(--border);transition:all .25s;text-decoration:none}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.related-icon{color:var(--primary);font-size:1.2rem;margin-bottom:6px}
.related-name{font-weight:600;color:var(--primary);margin-bottom:4px;font-size:.9rem}
.related-desc{color:var(--text-muted);font-size:.82rem;line-height:1.4}
.theme-float-btn{position:fixed;right:20px;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:var(--bg-card);color:var(--text-primary);border:1.5px solid var(--border);cursor:pointer;z-index:999;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow);transition:all .3s}
.theme-float-btn:hover{transform:translateY(-50%) scale(1.1);border-color:var(--primary);color:var(--primary)}
.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,0.85);backdrop-filter:blur(8px);z-index:9998;display:none;align-items:center;justify-content:center;flex-direction:column;gap:16px}
.loading-overlay.active{display:flex}
.loading-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{color:#fff;font-size:1rem;font-weight:500}
.success-message{display:none;background:linear-gradient(135deg,rgba(6,214,160,0.1),rgba(5,150,105,0.1));border:1px solid rgba(6,214,160,0.3);border-radius:14px;padding:28px;text-align:center;margin-top:1rem}
.success-message.visible{display:block}
.success-message i{font-size:2.5rem;color:var(--success);margin-bottom:12px}
.success-message h4{color:var(--success);margin-bottom:8px}
.success-message p{color:var(--text-secondary);margin-bottom:16px}
.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;cursor:pointer;z-index:999;display:none;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 15px rgba(67,97,238,0.3);transition:all .3s}
.back-to-top.show{display:flex}
.back-to-top:hover{transform:translateY(-3px)}
.notification{position:fixed;bottom:30px;right:30px;padding:16px 24px;border-radius:var(--radius);color:#fff;font-weight:600;font-size:.9rem;z-index:9999;transform:translateY(100px);opacity:0;transition:all .4s}
.notification.show{transform:translateY(0);opacity:1}
.n-success{background:linear-gradient(135deg,var(--success),#059669)}
.n-error{background:linear-gradient(135deg,var(--danger),#dc2626)}
.n-info{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.progress-wrap{background:var(--bg-body);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-top:1rem}
.progress-track{height:8px;background:rgba(255,255,255,0.06);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:4px;transition:width .3s}
@media(max-width:768px){.tool-card{padding:1.5rem}.upload-zone{padding:2rem 1rem}.content-card{padding:24px}.case-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.settings-grid{grid-template-columns:1fr}.preview-container{max-height:300px}.text-editor-box{min-height:200px}}

.breadcrumb{position:sticky;top:10px;z-index:60;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;background:rgba(2,6,23,0.75);border:1px solid rgba(255,255,255,0.12);border-radius:10px;margin-bottom:20px;font-size:.85rem;backdrop-filter:blur(8px);max-width:100%;flex-wrap:wrap}
.breadcrumb a{color:var(--text-secondary);text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb a i{font-size:.8rem}
.crumb-sep{opacity:.45;color:var(--text-muted)}
.crumb-current{color:var(--text-primary);font-weight:600}

.hero{position:relative;overflow:hidden;padding:80px 0 110px;background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 45%,#4c1d95 100%);text-align:center}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 50% -10%,rgba(67,97,238,.35),transparent 70%);pointer-events:none}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;pointer-events:none}
.hero-glow-a{width:420px;height:420px;background:rgba(67,97,238,.55);top:-140px;left:-120px;animation:heroFloat 9s ease-in-out infinite}
.hero-glow-b{width:360px;height:360px;background:rgba(6,214,160,.35);bottom:-160px;right:-100px;animation:heroFloat 11s ease-in-out infinite reverse}
@keyframes heroFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-20px) scale(1.08)}}
.hero-grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 75%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:.85rem;font-weight:600;letter-spacing:.4px;backdrop-filter:blur(6px);margin-bottom:22px}
.hero-badge i{color:var(--accent)}
.hero-title{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;line-height:1.12;color:#fff;margin:0 0 18px;letter-spacing:-.5px}
.hero-gradient-text{background:linear-gradient(120deg,var(--accent),#4f9dff 55%,var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-subtitle{font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.75;color:rgba(226,232,240,.85);max-width:640px;margin:0 auto 32px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.hero-btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;border-radius:12px;font-weight:700;font-size:.98rem;text-decoration:none;transition:transform .25s,box-shadow .25s}
.hero-btn-primary{background:linear-gradient(135deg,var(--primary),#3a0ca3);color:#fff;box-shadow:0 10px 28px rgba(67,97,238,.4)}
.hero-btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(67,97,238,.5);color:#fff}
.hero-btn-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;backdrop-filter:blur(6px)}
.hero-btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-3px);color:#fff}
.hero-features{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-feature{display:inline-flex;align-items:center;gap:7px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(226,232,240,.9);font-size:.82rem;font-weight:600}
.hero-feature i{color:var(--accent)}
@media(max-width:768px){.hero{padding:56px 0 70px}.hero-actions{gap:10px}.hero-btn{padding:12px 22px;font-size:.9rem}.hero-glow-a{width:280px;height:280px}.hero-glow-b{width:240px;height:240px}}