*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0d0f14;--bg-surface: #13161e;--bg-card: #1a1e2a;--bg-card-hover: #1f2435;--border: rgba(255,255,255,.07);--border-focus: rgba(99,179,237,.5);--accent: #6366f1;--accent-light: #818cf8;--accent-glow: rgba(99,102,241,.25);--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--text-primary: #f1f5f9;--text-secondary:#94a3b8;--text-muted: #475569;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-card: 0 4px 24px rgba(0,0,0,.4);--shadow-glow: 0 0 40px rgba(99,102,241,.15);--transition: all .2s cubic-bezier(.4,0,.2,1)}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:860px;margin:0 auto;padding:0 20px}.header{padding:20px 0;border-bottom:1px solid var(--border);background:#0d0f14cc;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),#a855f7);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 16px var(--accent-glow)}.logo-text{font-size:1.3rem;font-weight:800;letter-spacing:-.5px;background:linear-gradient(135deg,#fff 30%,var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-tabs{display:flex;gap:4px;background:var(--bg-card);padding:4px;border-radius:var(--radius-md);border:1px solid var(--border)}.nav-tab{padding:6px 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h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:16px;background:linear-gradient(135deg,#fff 40%,var(--accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.05rem;color:var(--text-secondary);max-width:520px;margin:0 auto}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-card);transition:var(--transition)}.card:hover{border-color:#ffffff1a;box-shadow:var(--shadow-card),var(--shadow-glow)}.card-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.card-subtitle{font-size:.83rem;color:var(--text-muted);margin-bottom:24px}.form-group{margin-bottom:18px}.form-label{display:block;font-size:.82rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px;letter-spacing:.03em;text-transform:uppercase}.form-input,.form-textarea{width:100%;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;font-size:.92rem;font-family:inherit;color:var(--text-primary);outline:none;transition:var(--transition)}.form-input:focus,.form-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.char-count{font-size:.75rem;color:var(--text-muted);text-align:right;margin-top:4px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-md);padding:28px;text-align:center;cursor:pointer;transition:var(--transition);position:relative;overflow:hidden;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center}.upload-zone:hover{border-color:var(--accent);background:#6366f10d}.upload-zone.drag-over{border-color:var(--accent);background:#6366f11a;box-shadow:0 0 24px var(--accent-glow)}.upload-zone.compressing{border-color:var(--accent);background:#6366f10f;cursor:wait;pointer-events:none}.upload-icon{font-size:2rem;margin-bottom:8px}.upload-text{font-size:.88rem;color:var(--text-secondary);line-height:1.5}.upload-hint{font-size:.76rem;color:var(--text-muted);margin-top:6px}.upload-spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:12px}.upload-preview{width:100%;max-height:200px;object-fit:contain;border-radius:var(--radius-sm);margin-top:12px}.upload-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:#ffffff0f}.upload-progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-light));border-radius:100px;transition:width .3s ease}.upload-progress-bar.uploading-animate{width:60%;animation:uploadPulse 1.5s ease-in-out infinite}@keyframes 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18px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;cursor:pointer;transition:var(--transition);font-family:inherit}.btn-primary:hover{background:var(--accent-light);box-shadow:0 2px 12px var(--accent-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;border:none;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent),#7c3aed);color:#fff;box-shadow:0 4px 16px var(--accent-glow);width:100%;padding:13px;font-size:.95rem;margin-top:8px}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 24px #6366f166}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border);padding:7px 14px;font-size:.82rem}.btn-ghost:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:#ffffff1f}.btn-icon{padding:7px 10px;font-size:.9rem}.btn-danger{color:var(--danger);border-color:#ef44444d}.btn-danger:hover{background:#ef44441a!important;color:#f87171!important;border-color:var(--danger)!important}.result-panel{margin-top:24px;animation:slideUp .3s cubic-bezier(.4,0,.2,1)}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.result-url-row{display:flex;align-items:center;gap:8px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px}.result-url{flex:1;font-size:.92rem;font-weight:600;color:var(--accent-light);font-family:SF Mono,Fira Code,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copy-btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:6px 12px;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap;font-family:inherit}.copy-btn:hover{background:var(--accent-light)}.copy-btn.copied{background:var(--success)}.og-preview{margin-top:16px;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;background:var(--bg-surface)}.og-preview-img{width:100%;max-height:220px;object-fit:cover;display:block}.og-preview-img-placeholder{width:100%;height:160px;background:linear-gradient(135deg,#1e2130,#252840);display:flex;align-items:center;justify-content:center;font-size:2.5rem}.og-preview-body{padding:14px 16px}.og-preview-domain{font-size:.74rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.og-preview-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:4px;line-height:1.3}.og-preview-desc{font-size:.82rem;color:var(--text-secondary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.links-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}.link-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 20px;display:flex;flex-direction:column;align-items:stretch;gap:12px;transition:var(--transition)}.link-item-header{display:flex;align-items:center;gap:14px;cursor:pointer}.link-item:hover{border-color:#ffffff1a}.link-item-expanded{border-top:1px solid var(--border);padding-top:16px;margin-top:4px;animation:slideDown .25s cubic-bezier(.4,0,.2,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.link-details-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}.link-item-dest-label{font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em}.link-item-dest-box{display:flex;align-items:center;gap:8px;background:#ffffff05;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;margin-top:4px}.link-item-dest-url{flex:1;font-size:.8rem;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 768px){.link-details-grid{grid-template-columns:1fr}}.link-item-thumb{width:52px;height:52px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-surface)}.link-item-thumb-placeholder{width:52px;height:52px;border-radius:var(--radius-sm);background:linear-gradient(135deg,#1e2130,#252840);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}.link-item-body{flex:1;min-width:0}.link-item-title{font-size:.9rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-item-url{font-size:.78rem;color:var(--accent-light);font-family:monospace;margin-top:2px}.link-item-meta{display:flex;align-items:center;gap:8px;margin-top:4px}.link-item-clicks{font-size:.76rem;color:var(--text-muted);display:flex;align-items:center;gap:4px}.link-item-actions{display:flex;gap:6px;flex-shrink:0}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-icon{font-size:3rem;margin-bottom:12px}.empty-text{font-size:.92rem}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:9999}.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 18px;font-size:.86rem;display:flex;align-items:center;gap:10px;box-shadow:0 8px 32px #0006;animation:toastIn .25s cubic-bezier(.4,0,.2,1);max-width:320px}.toast.success{border-color:#22c55e4d}.toast.error{border-color:#ef44444d}@keyframes toastIn{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.section-heading{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px;display:flex;align-items:center;gap:8px}.section-heading:after{content:"";flex:1;height:1px;background:var(--border)}.platform-toggles{display:flex;gap:6px;margin-bottom:12px}.platform-toggle-btn{flex:1;background:#ffffff08;border:1px solid var(--border);color:var(--text-secondary);padding:8px 12px;border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:6px}.platform-toggle-btn:hover{background:#ffffff0f;color:var(--text-primary)}.platform-toggle-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.og-preview.zalo-mode{display:flex;flex-direction:row;align-items:center;gap:12px;padding:12px;background:#1e2538;border:1px solid rgba(255,255,255,.05);border-radius:8px}.og-preview.zalo-mode .og-preview-img{width:64px;height:64px;object-fit:cover;border-radius:6px;flex-shrink:0}.og-preview.zalo-mode .og-preview-img-placeholder{width:64px;height:64px;font-size:1.5rem;border-radius:6px;flex-shrink:0}.og-preview.zalo-mode .og-preview-body{padding:0;flex:1}.og-preview.zalo-mode .og-preview-domain{font-size:.68rem;margin-bottom:2px}.og-preview.zalo-mode .og-preview-title{font-size:.84rem;font-weight:600;margin-bottom:2px;line-height:1.2}.og-preview.zalo-mode .og-preview-desc{font-size:.74rem;-webkit-line-clamp:2;line-height:1.3}.qr-section{display:flex;align-items:center;gap:16px;background:#ffffff05;border:1px dashed var(--border);padding:16px;border-radius:var(--radius-md);margin-top:20px;animation:fadeIn .4s ease}.qr-code-img{width:80px;height:80px;border-radius:6px;background:#fff;padding:6px;flex-shrink:0}.qr-body{flex:1}.qr-title{font-size:.85rem;font-weight:700;color:var(--text-primary);margin-bottom:3px}.qr-desc{font-size:.75rem;color:var(--text-muted);line-height:1.3}.cropper-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#090b10d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;animation:fadeIn .2s ease-out}.cropper-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);width:100%;max-width:500px;box-shadow:0 12px 48px #00000080;overflow:hidden;display:flex;flex-direction:column}.cropper-modal-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:.95rem;color:var(--text-primary)}.cropper-wrapper{position:relative;width:100%;height:320px;background:#090b10}.cropper-controls{padding:20px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:16px;background:#ffffff03}.cropper-zoom-row{display:flex;align-items:center;gap:12px;color:var(--text-secondary);font-size:.8rem}.cropper-slider{flex:1;height:4px;border-radius:2px;background:var(--border);outline:none;cursor:pointer;accent-color:var(--accent)}.cropper-actions{display:flex;justify-content:flex-end;gap:10px}@media (max-width: 600px){.card{padding:20px}.hero{padding:40px 0 24px}.hero h1{font-size:1.8rem}.link-item{flex-wrap:wrap}.qr-section{flex-direction:column;text-align:center}.cropper-modal{max-width:100%}.cropper-wrapper{height:260px}}