:root{--bg: #f2f2f7;--bg-card: #ffffff;--bg-sidebar: #ffffff;--text-primary: #000000;--text-secondary: #8e8e93;--border: #e5e5ea;--accent: #007aff;--accent-hover: #0066d6;--green: #34c759;--orange: #ff9500;--radius: 12px;--radius-sm: 8px;--sidebar-width: 240px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg)}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-header{padding:24px 20px 16px}.sidebar-header h1{font-size:20px;font-weight:700;letter-spacing:-.3px}.sidebar-subtitle{font-size:13px;color:var(--text-secondary);font-weight:500}.sidebar-nav{flex:1;padding:4px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.nav-section-label{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:16px 12px 4px}.nav-item{display:block;padding:10px 12px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-primary);font-size:15px;font-weight:400;transition:background .15s}.nav-item:hover{background:var(--bg)}.nav-item.active{background:var(--bg);font-weight:600}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.main-content{flex:1;margin-left:var(--sidebar-width);padding:32px;max-width:960px}.page{display:flex;flex-direction:column;gap:20px}.page h2{font-size:28px;font-weight:700;letter-spacing:-.5px}.page-header{display:flex;align-items:center;justify-content:space-between}.card{background:var(--bg-card);border-radius:var(--radius);padding:20px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.stat-card{display:flex;flex-direction:column;gap:4px}.stat-value{font-size:32px;font-weight:700;letter-spacing:-.5px}.stat-label{font-size:13px;color:var(--text-secondary);font-weight:500}.list{background:var(--bg-card);border-radius:var(--radius);overflow:hidden}.list-item{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:12px}.list-item+.list-item{border-top:1px solid var(--border)}.list-item-content{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.list-item-title{font-size:15px;font-weight:500}.list-item-subtitle{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{display:inline-block;padding:4px 10px;border-radius:100px;font-size:12px;font-weight:600;border:none;cursor:pointer;white-space:nowrap;transition:opacity .15s}.badge:hover{opacity:.8}.badge-active{background:#e8f5e9;color:#1b7a2b}.badge-inactive{background:#fff3e0;color:#b36b00}.text-secondary{color:var(--text-secondary);font-size:15px}.sign-in-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:24px}.sign-in-screen h1{font-size:32px;font-weight:700;letter-spacing:-.5px}.sign-in-button{padding:12px 32px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:background .15s}.sign-in-button:hover{background:var(--accent-hover)}.sign-in-button:disabled{opacity:.6;cursor:not-allowed}.login-form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}.login-form input{padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:15px;font-family:inherit;background:var(--bg-card);outline:none;transition:border-color .15s}.login-form input:focus{border-color:var(--accent)}.login-error{color:#ff3b30;font-size:13px;text-align:center}.sign-out-button{background:none;border:none;color:var(--text-secondary);font-size:14px;font-family:inherit;cursor:pointer;padding:0}.sign-out-button:hover{color:var(--text-primary)}.btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;font-family:inherit;border:none;cursor:pointer;transition:opacity .15s;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--bg);color:var(--text-primary)}.btn-danger{background:#ff3b30;color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{padding:6px 8px;background:none;color:var(--text-secondary);border:none;cursor:pointer;font-size:14px}.btn-icon:hover{color:var(--text-primary)}.page-toolbar{display:flex;align-items:center;gap:12px}.page-toolbar .search-bar{flex:1}.search-bar{padding:8px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;background:var(--bg-card);outline:none;width:100%;max-width:300px;transition:border-color .15s}.search-bar:focus{border-color:var(--accent)}.form-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:20px}.form-card h3{font-size:17px;font-weight:600;margin-bottom:-4px}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:600;color:var(--text-secondary)}.form-input,.form-textarea,.form-select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;font-family:inherit;background:var(--bg-card);outline:none;transition:border-color .15s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent)}.form-textarea{resize:vertical;min-height:80px}.form-textarea-tall{min-height:160px}.form-error{font-size:12px;color:#ff3b30}.form-row{display:flex;gap:16px}.form-row>.form-field{flex:1}.form-actions{display:flex;gap:12px;padding-top:4px}.form-toggle{display:flex;align-items:center;gap:8px;font-size:14px}.form-toggle input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent)}dialog.dialog{border:none;border-radius:var(--radius);padding:24px;max-width:400px;width:90%;box-shadow:0 8px 32px #00000026}dialog.dialog::backdrop{background:#0000004d}.dialog-title{font-size:17px;font-weight:600;margin-bottom:8px}.dialog-message{font-size:14px;color:var(--text-secondary);margin-bottom:20px}.dialog-actions{display:flex;gap:12px;justify-content:flex-end}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%);padding:10px 20px;border-radius:100px;font-size:14px;font-weight:500;box-shadow:0 4px 16px #0000001f;z-index:1000;animation:toast-in .2s ease-out}.toast-success{background:#1b7a2b;color:#fff}.toast-error{background:#ff3b30;color:#fff}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.pagination{display:flex;align-items:center;justify-content:space-between;padding-top:4px}.pagination-buttons{display:flex;gap:8px}.file-upload{display:flex;align-items:center;gap:10px}.file-upload-current{font-size:13px;color:var(--text-secondary);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skeleton{background:linear-gradient(90deg,var(--border) 25%,#ececf0 50%,var(--border) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-list{background:var(--bg-card);border-radius:var(--radius);overflow:hidden}.skeleton-row{padding:14px 20px;display:flex;flex-direction:column;gap:6px}.skeleton-row+.skeleton-row{border-top:1px solid var(--border)}.skeleton-line{height:14px}.skeleton-line-short{width:40%}.skeleton-line-long{width:70%}.list-item-actions{display:flex;align-items:center;gap:6px;flex-shrink:0;white-space:nowrap}.empty-state{text-align:center;padding:48px 20px;color:var(--text-secondary);font-size:15px}.empty-state .btn{margin-top:16px}