:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-card2: #1f2335;--border: #2e3250;--border-light: #3d4270;--accent: #4f8ef7;--accent-hover: #6ba3ff;--accent-green: #3ecf8e;--accent-red: #ff4d6d;--accent-yellow: #f5a623;--text: #e8eaf0;--text-muted: #7b8099;--text-dim: #4a5068;--font-main: "Noto Sans JP", sans-serif;--font-mono: "DM Mono", monospace;--radius: 8px;--radius-lg: 12px;--shadow: 0 2px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 32px rgba(0,0,0,.6)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background:var(--bg);color:var(--text);min-height:100vh;font-size:14px;line-height:1.5}.auth-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.auth-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 56px;text-align:center;box-shadow:var(--shadow-lg)}.auth-box h1{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--text);letter-spacing:.05em}.auth-box p{color:var(--text-muted);margin-bottom:28px}.btn-box-auth{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 32px;border-radius:var(--radius);font-weight:600;font-size:14px;transition:background .2s}.btn-box-auth:hover{background:var(--accent-hover)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.header-left{display:flex;align-items:center;gap:12px;min-width:120px}.header-title{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.08em;white-space:nowrap}.btn-info-update{background:transparent;border:1px solid var(--accent);color:var(--accent);padding:6px 14px;border-radius:var(--radius);font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font-main);transition:background .2s,color .2s;white-space:nowrap}.btn-info-update:hover{background:var(--accent);color:#fff}.unit-tabs{display:flex;gap:6px}.unit-tab{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:6px 20px;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;font-family:var(--font-mono);transition:all .2s;letter-spacing:.05em}.unit-tab:hover{border-color:var(--accent);color:var(--accent)}.unit-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 12px #4f8ef766}.app-main{max-width:1200px;margin:0 auto;padding:24px 20px;display:flex;flex-direction:column;gap:20px}.loading{text-align:center;color:var(--text-muted);padding:60px;font-size:15px}.room-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}.room-card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--bg-card2);border-bottom:1px solid var(--border)}.room-card-name{font-size:15px;font-weight:700;color:var(--text);letter-spacing:.04em}.btn-edit-underlayer{background:transparent;border:1px solid var(--border-light);color:var(--text-muted);padding:5px 14px;border-radius:6px;font-size:12px;cursor:pointer;font-family:var(--font-main);transition:all .2s}.btn-edit-underlayer:hover{border-color:var(--accent-yellow);color:var(--accent-yellow)}.underlayer-section{border-top:1px solid var(--border);padding:16px 20px}.underlayer-section:first-of-type{border-top:none}.ul-header{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}.ul-name{font-size:13px;font-weight:600;color:var(--accent-green);min-width:120px}.btn-add-file{background:var(--bg-card2);border:1px dashed var(--border-light);color:var(--text-muted);padding:4px 12px;border-radius:6px;font-size:12px;cursor:pointer;font-family:var(--font-main);transition:all .2s}.btn-add-file:hover{border-color:var(--accent);color:var(--accent)}.ul-hide-btn{margin-left:auto;font-size:11px;color:var(--text-dim);cursor:pointer;transition:color .2s}.ul-hide-btn:hover{color:var(--text-muted)}.upload-progress-bar-wrap{display:flex;align-items:center;gap:10px;margin-bottom:10px;height:6px;background:var(--bg-card2);border-radius:3px;overflow:hidden}.upload-progress-bar{height:100%;background:var(--accent);border-radius:3px;transition:width .1s}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.photo-cell{position:relative;aspect-ratio:4/3;background:var(--bg-card2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.photo-cell a{display:block;width:100%;height:100%}.photo-thumb{width:100%;height:100%;object-fit:cover;display:block;transition:opacity .2s}.photo-thumb:hover{opacity:.85}.photo-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--text-dim);font-size:24px}.photo-placeholder small{font-size:10px;color:var(--text-dim);word-break:break-all;text-align:center;padding:0 6px}.photo-remove-btn{position:absolute;top:4px;right:4px;z-index:10;width:22px;height:22px;background:#ff4d6dd9;border:none;border-radius:50%;color:#fff;font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:background .2s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.photo-remove-btn:hover{background:var(--accent-red)}.popup-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.popup-box{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);width:90%;max-width:640px;max-height:80vh;overflow-y:auto;padding:28px;position:relative;box-shadow:var(--shadow-lg)}.popup-close{position:absolute;top:16px;right:16px;background:transparent;border:1px solid var(--border);color:var(--text-muted);width:28px;height:28px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.popup-close:hover{background:var(--accent-red);border-color:var(--accent-red);color:#fff}.popup-title{font-size:16px;font-weight:700;margin-bottom:20px;color:var(--text);letter-spacing:.04em}.popup-rooms{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.popup-room-card{background:var(--bg-card2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.popup-room-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.room-remove-btn{width:22px;height:22px;background:transparent;border:1px solid var(--border-light);color:var(--text-muted);border-radius:50%;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}.room-remove-btn:hover{background:var(--accent-red);border-color:var(--accent-red);color:#fff}.room-label{font-size:12px;color:var(--text-muted);white-space:nowrap}.room-name-input{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:5px 10px;font-size:14px;font-weight:600;font-family:var(--font-main);flex:1;transition:border-color .2s}.room-name-input:focus{outline:none;border-color:var(--accent)}.popup-underlayers{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.ul-chip{display:flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:4px 10px 4px 12px;font-size:12px;color:var(--text)}.ul-chip-remove{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;width:16px;height:16px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .15s;flex-shrink:0}.ul-chip-remove:hover{background:var(--accent-red);color:#fff}.add-ul-btn{background:transparent;border:1px dashed var(--border-light);color:var(--accent);padding:4px 14px;border-radius:20px;font-size:12px;cursor:pointer;font-family:var(--font-main);transition:all .2s}.add-ul-btn:hover{background:var(--accent);color:#fff;border-style:solid}.popup-footer{display:flex;justify-content:flex-end;gap:10px;padding-top:16px;border-top:1px solid var(--border)}.btn-update{background:var(--accent);border:none;color:#fff;padding:9px 28px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;font-family:var(--font-main);transition:background .2s}.btn-update:hover{background:var(--accent-hover)}.btn-add-room{background:transparent;border:1px solid var(--border-light);color:var(--text-muted);padding:9px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;font-family:var(--font-main);transition:all .2s}.btn-add-room:hover{border-color:var(--accent-green);color:var(--accent-green)}.progress-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:300;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.progress-box{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px 44px;min-width:360px;text-align:center;box-shadow:var(--shadow-lg)}.progress-text{font-size:15px;font-weight:600;color:var(--text);margin-bottom:20px;letter-spacing:.03em}.progress-track{height:8px;background:var(--bg-card2);border-radius:4px;overflow:hidden;margin-bottom:10px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-green));border-radius:4px;transition:width .03s linear;box-shadow:0 0 10px #4f8ef780}.progress-pct{font-size:13px;color:var(--text-muted);font-family:var(--font-mono)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.btn-find-unassigned{background:transparent;border:1px solid var(--border-light);color:var(--text-muted);padding:4px 12px;border-radius:6px;font-size:12px;cursor:pointer;font-family:var(--font-main);transition:all .2s;white-space:nowrap}.btn-find-unassigned:hover{border-color:var(--accent-yellow);color:var(--accent-yellow)}.unassigned-popup{max-width:760px;width:95%}.popup-subtitle{font-size:12px;color:var(--text-muted);margin-bottom:16px}.popup-target{color:var(--accent-green);font-weight:600}.unassigned-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-height:50vh;overflow-y:auto;margin-bottom:16px;padding:4px}.unassigned-cell{position:relative;aspect-ratio:4/3;background:var(--bg-card2);border:2px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:border-color .15s}.unassigned-cell:hover{border-color:var(--accent)}.unassigned-cell.selected{border-color:var(--accent-green);box-shadow:0 0 8px #3ecf8e4d}.unassigned-check{position:absolute;top:6px;right:6px;z-index:10;width:22px;height:22px;background:var(--accent-green);border-radius:50%;color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}.unassigned-name{position:absolute;bottom:0;left:0;right:0;background:#000000a6;font-size:10px;color:var(--text);padding:3px 5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.no-files{text-align:center;color:var(--text-muted);padding:40px}.selected-count{font-size:12px;color:var(--text-muted)}.assign-progress-wrap{padding:24px 0;text-align:center}.assign-progress-wrap .progress-text{font-size:14px;line-height:1.7;margin-bottom:20px;color:var(--text)}.upload-progress-pct{font-size:11px;color:var(--text-muted);font-family:var(--font-mono);flex-shrink:0}.photo-placeholder-fallback{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--text-dim);font-size:24px}.photo-placeholder-fallback small{font-size:10px;color:var(--text-dim);word-break:break-all;text-align:center;padding:0 6px}