:root{--bg-primary: #090d12;--bg-secondary: #0f1520;--bg-tertiary: #16202e;--bg-hover: #1c2a3c;--border: #1e2d40;--border2: #243447;--text-primary: #d8e8f8;--text-secondary: #7a9ab9;--text-muted: #5a7a99;--accent: #00d4ff;--accent-dim: rgba(0, 212, 255, .1);--accent-hover: #00bbdd;--accent2: #39ff8c;--accent2-dim: rgba(57, 255, 140, .08);--success: #39ff8c;--warning: #ffb347;--danger: #ff4f6d;--orange: #ffb347;--radius: 8px;--radius-lg: 12px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 24px}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-brand{display:flex;align-items:center;gap:10px}.header-appname{font-family:Space Mono,ui-monospace,monospace;font-size:.9rem;font-weight:700;letter-spacing:.05em;color:var(--text-primary);text-transform:uppercase}.header-by{font-size:.72rem;color:var(--text-muted);letter-spacing:.02em}.header-cavefinder-link{display:flex;align-items:center;gap:6px;text-decoration:none;color:inherit;transition:opacity .15s}.header-cavefinder-link:hover{opacity:.8}.header-logo-icon{width:20px;height:20px;filter:brightness(1.2) drop-shadow(0 0 3px rgba(0,212,255,.35))}.header-logo-text{font-family:Space Mono,ui-monospace,monospace;font-size:.82rem;font-weight:700;letter-spacing:.04em}.header-logo-text .cave{color:var(--text-primary)}.header-logo-text .finder{color:var(--accent2)}.header-sep{width:1px;height:18px;background:var(--border2);flex-shrink:0}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover{background:var(--bg-hover);border-color:var(--text-muted)}.btn-primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.btn-primary:hover{background:#00d4ff2e;border-color:var(--accent-hover);color:var(--accent-hover)}.btn-danger{color:var(--danger)}.btn-danger:hover{background:#ef44441a;border-color:var(--danger)}.btn-sm{padding:4px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}input,select,textarea{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);padding:8px 12px;font-size:14px;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent)}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}input::placeholder{color:var(--text-muted)}label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:4px}.home-page{padding:40px 24px;max-width:900px;margin:0 auto}.home-page h2{font-size:24px;margin-bottom:8px}.home-page .subtitle{color:var(--text-secondary);margin-bottom:32px}.new-project-form{display:flex;gap:12px;margin-bottom:32px}.new-project-form input{flex:1}.project-list{display:flex;flex-direction:column;gap:12px}.project-card{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:border-color .15s,background .15s}.project-card:hover{border-color:var(--accent);background:var(--bg-tertiary)}.project-card .name{font-weight:500;font-size:15px}.project-card .meta{font-size:13px;color:var(--text-muted);margin-top:2px}.project-card .actions{display:flex;gap:8px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h3{font-size:18px;margin-bottom:8px;color:var(--text-secondary)}.workspace{height:100vh;display:flex;flex-direction:column}.workspace-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-shrink:0}.workspace-header .back{color:var(--text-secondary);font-size:13px;white-space:nowrap}.workspace-header .title{font-size:15px;font-weight:500;flex:1;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ws-brand .header-appname{display:none}.workspace-body{flex:1;display:flex;overflow:hidden}.split-panel{flex:1;display:flex;min-height:0}.panel{flex:1;position:relative;overflow:hidden;border-right:1px solid var(--border);display:flex;flex-direction:column}.panel:last-child{border-right:none}.panel-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:8px 16px;font-size:13px;font-weight:500;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between;gap:8px}.sidebar{width:320px;flex-shrink:0;background:var(--bg-secondary);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}.sidebar-section{padding:16px;border-bottom:1px solid var(--border)}.sidebar-section h3{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:12px}.cp-table{width:100%;border-collapse:collapse;font-size:13px}.cp-table th{text-align:left;padding:6px 8px;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border)}.cp-table td{padding:6px 8px;border-bottom:1px solid var(--border)}.cp-table .incomplete{color:var(--text-muted);font-style:italic}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.upload-zone:hover{border-color:var(--accent);background:var(--accent-dim)}.upload-zone.dragging{border-color:var(--accent);background:#00d4ff1f}.upload-zone h3{font-size:16px;margin-bottom:8px}.upload-zone p{color:var(--text-muted);font-size:14px}.georef-pin{width:22px;height:22px;border-radius:50%;border:3px solid white;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 2px 6px #0006;pointer-events:none;position:absolute}.entrance-marker{width:28px;height:28px;border-radius:50%;border:3px solid white;cursor:pointer;box-shadow:0 2px 4px #0000004d;transition:transform .15s}.entrance-marker:hover{transform:scale(1.3)}.accuracy{font-size:13px;font-weight:500;padding:2px 8px;border-radius:4px}.accuracy.good{color:var(--success)}.accuracy.ok{color:var(--warning)}.accuracy.poor{color:var(--danger)}.zoom-controls{display:flex;gap:8px;align-items:center}.zoom-controls button{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:4px;color:var(--text-primary);cursor:pointer;font-size:14px}.zoom-controls button:hover{background:var(--bg-hover)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.style-switcher{display:flex;gap:2px;background:var(--bg-primary);border-radius:6px;padding:2px}.style-switcher button{padding:4px 10px;border:none;border-radius:4px;background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;transition:all .15s}.style-switcher button.active{background:var(--bg-tertiary);color:var(--text-primary)}.toast{position:fixed;bottom:20px;right:20px;padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);font-size:14px;box-shadow:0 4px 12px #0000004d;z-index:1000;animation:slideUp .2s ease-out}.toast.error{border-color:var(--danger);color:var(--danger)}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.toast-container{position:fixed;bottom:20px;right:20px;z-index:1000;display:flex;flex-direction:column-reverse;gap:8px;pointer-events:none}.toast-container .toast{position:relative;bottom:auto;right:auto;pointer-events:auto;display:flex;align-items:center;gap:8px}.toast-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:2px 6px;border-radius:4px;line-height:1;flex-shrink:0}.toast-close:hover{color:var(--text-primary);background:var(--bg-hover)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000b3;display:flex;align-items:center;justify-content:center}.modal-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;max-width:420px;width:90%;box-shadow:0 20px 60px #00000080}.modal-content h3{font-size:16px;margin-bottom:8px;color:var(--text-primary);text-transform:none;letter-spacing:normal}.modal-content p{font-size:14px;color:var(--text-secondary);margin-bottom:16px}.modal-content .modal-actions{display:flex;gap:8px;justify-content:flex-end}.modal-content input{width:100%;margin-bottom:16px}.sidebar-toggle{display:none;width:36px;height:36px;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);cursor:pointer;font-size:18px}.sidebar-toggle:hover{background:var(--bg-hover)}.sidebar-backdrop{display:none}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,var(--bg-hover) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:var(--radius)}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-reduced-motion: reduce){.spinner{animation:none;border-top-color:var(--accent);opacity:.7}.toast,.skeleton{animation:none}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.mask-editor-container{background:linear-gradient(45deg,#0f1520 25%,transparent 25%),linear-gradient(-45deg,#0f1520 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#0f1520 75%),linear-gradient(-45deg,transparent 75%,#0f1520 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px;background-color:#16202e}.mask-editor-canvas{background:transparent}.mobile-tabs{display:none;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.mobile-tab{flex:1;padding:10px 8px;border:none;border-bottom:2px solid transparent;background:transparent;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;transition:color .15s,border-color .15s}.mobile-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.mobile-tab:hover{color:var(--text-primary)}@media (max-width: 1024px){.sidebar{position:fixed;right:0;top:0;bottom:0;z-index:200;transform:translate(100%);transition:transform .2s ease;box-shadow:-4px 0 20px #0000004d}.sidebar.open{transform:translate(0)}.sidebar-toggle{display:flex}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:199;background:#0006}.sidebar-backdrop.visible{display:block}}@media (max-width: 768px){.workspace-body,.split-panel{flex-direction:column}.panel{min-height:35vh;border-right:none;border-bottom:1px solid var(--border)}.panel:last-child{border-bottom:none}.workspace-header{padding:8px 12px;flex-wrap:wrap;gap:8px}.workspace-header .title{font-size:14px}.home-page{padding:24px 16px}.new-project-form{flex-direction:column}.mobile-tabs{display:flex}.split-panel{flex:1;min-height:0}.panel[data-mobile-tab]{display:none}.panel[data-mobile-tab].mobile-visible{display:flex;flex:1;min-height:0;border-bottom:none}.sidebar[data-mobile-tab]{position:static;transform:none;width:100%;flex-shrink:1;box-shadow:none;border-left:none}.sidebar[data-mobile-tab]:not(.mobile-visible){display:none}.sidebar[data-mobile-tab].mobile-visible{display:flex}.sidebar-backdrop,.sidebar-toggle{display:none!important}}