@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0d0f18;--bg-secondary: #13162b;--bg-card: rgba(255, 255, 255, .04);--bg-card-hover: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .18);--text-primary: #f0f2ff;--text-secondary: #8b90b8;--text-muted: #4a4f7a;--accent-blue: #4f8ef7;--accent-purple: #8b5cf6;--accent-green: #22d3a5;--accent-red: #f75555;--accent-orange: #f59e0b;--glow-blue: rgba(79, 142, 247, .3);--glow-purple: rgba(139, 92, 246, .3);--glow-green: rgba(34, 211, 165, .25);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-card: 0 4px 32px rgba(0, 0, 0, .4);--transition: .22s cubic-bezier(.4, 0, .2, 1)}body{font-family:Inter,system-ui,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden}.app-shell{display:grid;grid-template-columns:280px 1fr;grid-template-rows:64px 1fr;grid-template-areas:"header header" "sidebar main";min-height:100vh}.app-shell:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 800px 600px at 20% 10%,rgba(79,142,247,.07) 0%,transparent 60%),radial-gradient(ellipse 600px 500px at 80% 80%,rgba(139,92,246,.07) 0%,transparent 60%);pointer-events:none;z-index:0}.app-header{grid-area:header;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#0d0f18d9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header-brand{display:flex;align-items:center;gap:12px}.brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 16px var(--glow-blue);flex-shrink:0}.brand-name{font-size:18px;font-weight:700;background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.3px}.brand-tag{font-size:11px;color:var(--text-muted);font-weight:400;margin-left:4px}.header-meta{display:flex;align-items:center;gap:20px}.image-counter{display:flex;align-items:center;gap:8px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;padding:6px 14px;font-size:13px;color:var(--text-secondary);transition:var(--transition)}.image-counter .count{font-weight:700;color:var(--accent-blue);font-size:15px}.hint-chip{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);background:var(--bg-card);border:1px solid var(--border);border-radius:100px;padding:5px 12px}.live-badge{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--accent-green);background:#22d3a514;border:1px solid rgba(34,211,165,.3);border-radius:100px;padding:5px 12px;animation:fadeIn .3s ease}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-green);box-shadow:0 0 8px var(--accent-green);animation:pulse 1.5s ease-in-out infinite}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.kbd{display:inline-flex;align-items:center;justify-content:center;background:#ffffff0f;border:1px solid var(--border-hover);border-radius:4px;padding:1px 6px;font-size:10px;font-family:monospace;color:var(--text-secondary)}.app-sidebar{grid-area:sidebar;display:flex;flex-direction:column;gap:20px;padding:24px 20px;background:#0d0f1899;border-right:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);overflow-y:auto;position:relative;z-index:1}.sidebar-section{display:flex;flex-direction:column;gap:10px}.section-label{font-size:10px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-muted);padding:0 4px}.upload-zone{border:2px dashed rgba(79,142,247,.35);border-radius:var(--radius-lg);padding:28px 16px;text-align:center;cursor:pointer;transition:var(--transition);background:#4f8ef70a;position:relative;overflow:hidden}.upload-zone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 50% 0%,rgba(79,142,247,.12) 0%,transparent 70%);opacity:0;transition:var(--transition)}.upload-zone:hover{border-color:var(--accent-blue);background:#4f8ef714;transform:translateY(-2px);box-shadow:0 8px 32px var(--glow-blue)}.upload-zone:hover:before{opacity:1}.upload-icon{font-size:36px;margin-bottom:10px;display:block;filter:drop-shadow(0 0 10px rgba(79,142,247,.5));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.upload-text-primary{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.upload-text-secondary{font-size:12px;color:var(--text-muted)}.upload-input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.sidebar-btn{display:flex;align-items:center;gap:12px;width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-card);color:var(--text-primary);font-size:13.5px;font-weight:500;font-family:Inter,sans-serif;cursor:pointer;transition:var(--transition);text-align:left;position:relative;overflow:hidden}.sidebar-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:var(--transition)}.sidebar-btn:hover{border-color:var(--border-hover);background:var(--bg-card-hover);transform:translate(3px)}.sidebar-btn:active{transform:translate(1px) scale(.98)}.sidebar-btn .btn-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.sidebar-btn .btn-text{flex:1}.sidebar-btn .btn-shortcut{font-size:10px;color:var(--text-muted);background:#ffffff0d;border:1px solid var(--border);border-radius:4px;padding:2px 6px}.btn-auto .btn-icon{background:#22d3a526}.btn-auto:hover{border-color:var(--accent-green);box-shadow:0 0 16px var(--glow-green)}.btn-auto:hover .btn-icon{background:#22d3a540}.btn-reset .btn-icon{background:#4f8ef71a}.btn-reset:hover{border-color:var(--accent-blue);box-shadow:0 0 14px var(--glow-blue)}.btn-reset:hover .btn-icon{background:#4f8ef733}.btn-reset:disabled{opacity:.35;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-pdf .btn-icon{background:#4f8ef726}.btn-pdf:hover{border-color:var(--accent-blue);box-shadow:0 0 16px var(--glow-blue)}.btn-pdf:hover .btn-icon{background:#4f8ef740}.btn-img .btn-icon{background:#8b5cf626}.btn-img:hover{border-color:var(--accent-purple);box-shadow:0 0 16px var(--glow-purple)}.btn-img:hover .btn-icon{background:#8b5cf640}.btn-delete-sel .btn-icon{background:#f7555526}.btn-delete-sel:hover{border-color:var(--accent-red);box-shadow:0 0 16px #f7555540}.btn-delete-sel:hover .btn-icon{background:#f7555540}.btn-clear .btn-icon{background:#f59e0b26}.btn-clear:hover{border-color:var(--accent-orange);box-shadow:0 0 16px #f59e0b33}.btn-clear:hover .btn-icon{background:#f59e0b40}.tips-card{background:linear-gradient(135deg,#4f8ef70f,#8b5cf60f);border:1px solid rgba(79,142,247,.15);border-radius:var(--radius-md);padding:14px}.tips-title{font-size:11px;font-weight:600;color:var(--accent-blue);margin-bottom:10px;letter-spacing:.5px}.tips-list{list-style:none;display:flex;flex-direction:column;gap:7px}.tips-list li{display:flex;align-items:flex-start;gap:7px;font-size:12px;color:var(--text-secondary);line-height:1.5}.tips-list li:before{content:"→";color:var(--accent-purple);flex-shrink:0;margin-top:1px}.app-main{grid-area:main;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:32px 24px 40px;overflow-y:auto;position:relative;z-index:1}.canvas-label{display:flex;align-items:center;gap:10px;margin-bottom:20px;width:210mm;max-width:100%}.canvas-label-text{font-size:12px;color:var(--text-muted);font-weight:500;letter-spacing:.5px}.canvas-label-line{flex:1;height:1px;background:var(--border)}.canvas-label-badge{font-size:10px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;padding:3px 10px;color:var(--text-muted)}.a4-page{width:210mm;height:297mm;background-color:#fff;box-shadow:0 0 0 1px #ffffff0a,0 8px 40px #0009,0 32px 80px #0006;box-sizing:border-box;position:relative;overflow:hidden;border-radius:2px;transition:box-shadow var(--transition)}.a4-page:hover{box-shadow:0 0 0 1px #4f8ef733,0 8px 48px #000000a6,0 32px 80px #00000073,0 0 40px #4f8ef70f}.empty-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;pointer-events:none}.empty-icon{font-size:48px;opacity:.2;animation:float 4s ease-in-out infinite}.empty-text{font-size:14px;color:#999;font-weight:500;opacity:.5}.empty-sub{font-size:12px;color:#bbb;opacity:.35}.photo-slot{cursor:grab;transform:none!important;transition:box-shadow .15s ease;overflow:hidden}.photo-slot:active{cursor:grabbing}.photo-slot:hover{box-shadow:inset 0 0 0 2px #4f8ef766}.photo-slot.selected{box-shadow:inset 0 0 0 2.5px #4f8ef7,0 0 0 1px #4f8ef74d}.photo-slot.locked{outline:2px solid rgba(245,158,11,.5);outline-offset:-2px}.photo-slot.selected.locked{box-shadow:inset 0 0 0 2.5px #f59e0b,0 0 12px #f59e0b40}.lock-badge{position:absolute;top:4px;right:4px;font-size:11px;background:#0000008c;border-radius:4px;padding:1px 4px;pointer-events:none;-webkit-user-select:none;user-select:none;line-height:1.6}.status-bar{display:flex;align-items:center;gap:8px;margin-top:18px;padding:8px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;font-size:12px;color:var(--text-muted);width:210mm;max-width:100%}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent-green);box-shadow:0 0 8px var(--accent-green);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes spin{to{transform:rotate(360deg)}}.loading-btn{pointer-events:none;opacity:.7}.loading-btn .btn-icon{animation:spin .8s linear infinite}.sidebar-divider{height:1px;background:var(--border);margin:4px 0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff26}@media (max-width: 900px){.app-shell{grid-template-columns:1fr;grid-template-rows:64px auto 1fr;grid-template-areas:"header" "sidebar" "main"}.app-sidebar{border-right:none;border-bottom:1px solid var(--border);flex-direction:row;flex-wrap:wrap;padding:16px}.canvas-label,.status-bar,.a4-page{width:100%}.a4-page{width:min(210mm,100%);height:auto;aspect-ratio:210 / 297}}