:root{--bg: #f3f4f6;--panel: #ffffff;--text: #1f2937;--muted: #6b7280;--line: #e5e7eb;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--danger: #dc2626;--success: #16a34a;--soft: #f9fafb;--shadow: 0 1px 3px rgba(15, 23, 42, .1), 0 1px 2px rgba(15, 23, 42, .06);--shadow-md: 0 10px 20px rgba(15, 23, 42, .08);--shadow-lg: 0 20px 40px rgba(15, 23, 42, .18);--radius: 8px;--radius-sm: 6px;--transition: .18s ease;--topbar-h: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button,.button{border:none;background:var(--primary);color:#fff;border-radius:var(--radius-sm);padding:8px 14px;font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition),border-color var(--transition),box-shadow var(--transition),transform var(--transition);line-height:1.4;white-space:nowrap;min-height:36px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}button:hover,.button:hover{background:var(--primary-hover);box-shadow:var(--shadow)}button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.btn-ghost:hover{background:var(--soft);border-color:#d1d5db}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#b91c1c}.btn-sm{padding:5px 10px;font-size:12px;min-height:28px}.icon-btn{width:32px;height:32px;padding:0;border-radius:50%;background:var(--soft);color:var(--text);border:1px solid var(--line);font-size:20px}.icon-btn:hover{background:#e5e7eb}input,select{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 12px;font-size:16px;background:#fff;color:var(--text);transition:border-color var(--transition),box-shadow var(--transition);outline:none;min-height:40px}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}.login-view{min-height:100dvh;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#14b8a6);padding:24px;padding-bottom:calc(24px + var(--safe-bottom))}.login-panel{width:min(400px,100%);background:#fffffff2;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-radius:12px;padding:40px 32px;display:grid;gap:16px;box-shadow:var(--shadow-lg)}.login-panel h1{font-size:28px;font-weight:700;text-align:center}.login-panel p{color:var(--muted);text-align:center}.login-panel button{min-height:48px;font-size:15px;font-weight:600}.error{color:var(--danger);min-height:20px;font-size:13px}.app-shell{min-height:100dvh;display:grid;grid-template-rows:auto 1fr}.topbar{min-height:var(--topbar-h);position:sticky;top:0;z-index:80;display:flex;align-items:center;gap:18px;padding:10px 32px;background:#fffffff0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;flex-shrink:0}.brand-icon{width:32px;height:32px;background:#0f172a;color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center}.top-nav{display:flex;align-items:center;gap:6px;margin-left:auto}.top-nav button{background:transparent;color:var(--muted);border:1px solid transparent;min-height:38px}.top-nav button:hover{background:var(--soft);color:var(--text);box-shadow:none}.top-nav button.active{color:var(--primary);background:var(--primary-light);border-color:#bfdbfe}.nav-icon{font-size:16px;line-height:1}.logout{background:transparent;color:var(--muted);border:1px solid var(--line)}.logout:hover{background:#fef2f2;color:var(--danger);border-color:#fecaca}.main{min-width:0;padding:28px 32px}.toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.toolbar>div:first-child{min-width:0}.toolbar h2{font-size:22px;font-weight:700;margin:0}.muted{color:var(--muted);font-size:13px;margin-top:4px}.actions{display:flex;align-items:center;gap:10px;flex-shrink:0;flex-wrap:wrap}.actions input[type=search]{width:240px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px;font-size:13px}.breadcrumbs button{background:transparent;color:var(--primary);padding:2px 4px;font-size:13px;min-height:unset}.breadcrumbs button:after{content:"/";color:var(--muted);margin-left:6px}.breadcrumbs button:last-child:after{content:""}.breadcrumbs button:hover{text-decoration:underline;box-shadow:none}.files-root{position:relative}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px}.file-card{background:var(--panel);border-radius:var(--radius);border:1px solid var(--line);padding:48px 16px 16px;cursor:pointer;transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;min-height:130px}.file-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.file-icon{font-size:40px;line-height:1;margin-bottom:4px}.file-name{width:100%;font-size:13px;font-weight:500;word-break:break-word;line-height:1.35;max-height:2.7em;overflow:hidden}.file-meta{font-size:11px;color:var(--muted)}.file-time{font-size:10px;color:#9ca3af}.file-actions{position:absolute;top:10px;left:12px;right:12px;display:flex;justify-content:center;gap:6px;opacity:0;transition:opacity var(--transition);z-index:2}.file-card:hover .desktop-actions{opacity:1}.file-actions button{width:28px;height:28px;border-radius:50%;padding:0;font-size:14px;background:#0000000f;color:var(--muted);border:none;min-height:28px}.file-actions button:hover{background:var(--danger);color:#fff;box-shadow:none}.file-actions .fa-download:hover{background:var(--primary)}.file-actions .fa-copy:hover{background:var(--success)}.file-actions .fa-rename:hover{background:#f59e0b}.file-menu-trigger{display:none;position:absolute;top:8px;right:8px;width:32px;height:32px;padding:0;border-radius:50%;background:var(--soft);color:var(--text);border:1px solid var(--line);font-size:20px;min-height:32px}.file-menu{position:absolute;top:42px;right:8px;z-index:20;min-width:140px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:6px;display:grid;gap:2px}.file-menu button{justify-content:flex-start;width:100%;background:transparent;color:var(--text);box-shadow:none}.file-menu button:hover{background:var(--soft)}.file-menu .danger-text{color:var(--danger)}.upload-dialog{position:fixed;right:24px;bottom:24px;z-index:240;width:min(420px,calc(100vw - 32px));background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-lg);display:grid;gap:12px}.upload-dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.upload-dialog-header strong{display:block;font-size:15px}.upload-dialog-header span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.upload-progress-bar{width:100%;height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden}.upload-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),#14b8a6);transition:width .25s ease}.upload-dialog-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.upload-dialog-meta span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-dialog-error{color:var(--danger);font-size:12px;background:#fef2f2;border-radius:var(--radius-sm);padding:8px}.drag-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#2563eb1f;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;pointer-events:none}.drag-overlay-inner{background:var(--panel);border:3px dashed var(--primary);border-radius:12px;padding:48px 64px;text-align:center;font-size:18px;font-weight:600;color:var(--primary);box-shadow:var(--shadow-lg)}.drag-overlay-icon{font-size:48px;margin-bottom:12px}.back-btn{background:transparent;color:var(--primary);border:none;padding:6px 14px 6px 0;font-size:14px;margin-bottom:12px}.back-btn:hover{text-decoration:underline;background:transparent;box-shadow:none}.back-arrow{font-size:20px;line-height:1}.notes-page{min-height:0}.notes-layout{display:grid;grid-template-columns:220px 300px 1fr;background:var(--panel);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;height:calc(100dvh - var(--topbar-h) - 112px);min-height:520px}.note-categories{border-right:1px solid var(--line);overflow-y:auto;min-width:0;background:#fbfdff}.note-list{border-right:1px solid var(--line);overflow-y:auto;min-width:0}.note-list-header{padding:14px 16px;border-bottom:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);position:sticky;top:0;background:var(--panel);z-index:1;display:flex;align-items:center;justify-content:space-between;gap:8px}.note-categories .note-list-header{background:#fbfdff}.note-list-header .icon-btn{width:28px;height:28px;min-height:28px;font-size:18px}.category-item{width:100%;border:none;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--text);padding:12px 16px;min-height:44px;display:flex;justify-content:space-between;box-shadow:none}.category-item:hover{background:var(--soft);box-shadow:none}.category-item.active{background:var(--primary-light);color:var(--primary);border-left:3px solid var(--primary)}.category-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.category-item strong{font-size:12px;color:var(--muted);font-weight:600}.category-modal{width:min(520px,100%);max-height:min(680px,calc(100dvh - 40px));overflow:auto;background:var(--panel);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-lg);display:grid;gap:14px}.modal-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}.modal-title-row h3{font-size:16px;margin:0}.category-form{display:grid;grid-template-columns:1fr auto;gap:10px}.category-manage-list{display:grid;gap:8px;max-height:420px;overflow-y:auto}.category-manage-row{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.category-manage-row strong{display:block;font-size:14px}.category-manage-row span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.note-item{width:100%;border:none;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--text);text-align:left;padding:14px 16px;min-height:unset;display:block;box-shadow:none}.note-item:hover{background:var(--soft);box-shadow:none}.note-item.active{background:var(--primary-light);border-left:3px solid var(--primary)}.note-item-title{font-size:14px;font-weight:600;margin-bottom:4px;display:block;text-align:left}.note-item-meta,.note-item-preview{font-size:12px;color:var(--muted);display:block;text-align:left}.note-item-preview{margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.note-content{min-width:0;min-height:0;padding:24px 32px;display:flex;flex-direction:column;overflow:hidden}.note-content-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line);gap:12px;flex-shrink:0}.note-content-title{font-size:24px;font-weight:700;line-height:1.3;word-break:break-word}.note-content-meta{font-size:13px;color:var(--muted);margin-top:6px}.note-content-actions{display:flex;gap:8px;flex-shrink:0}.mobile-back-btn,.mobile-panel-back{display:none}.note-scroll-area{min-height:0;flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-right:8px}.note-preview{font-size:15px;line-height:1.8;color:#374151;word-break:break-word;padding-bottom:24px}.note-preview h1,.note-preview h2,.note-preview h3{margin:24px 0 12px;color:var(--text)}.note-preview p{margin-bottom:12px}.note-preview ul,.note-preview ol{padding-left:24px;margin-bottom:12px}.note-preview blockquote{border-left:3px solid var(--primary);padding-left:16px;color:var(--muted);margin:12px 0}.note-editor-form{min-height:0;flex:1;display:flex;flex-direction:column;gap:12px}.editor-grid{display:grid;grid-template-columns:180px 1fr;gap:12px;flex-shrink:0}.wang-editor-shell{min-height:0;flex:1;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;display:flex;flex-direction:column}.wang-toolbar{border-bottom:1px solid var(--line)!important;flex-shrink:0}.wang-editor{min-height:0;flex:1;overflow:hidden}.wang-editor .w-e-text-container{min-height:260px!important;height:100%!important}.note-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);gap:12px;min-height:220px}.note-empty-compact{padding:40px 16px;min-height:180px}.note-empty-icon{font-size:48px;opacity:.55}.settings-grid{display:grid;grid-template-columns:minmax(360px,.95fr) minmax(360px,.95fr) minmax(460px,1.25fr);gap:20px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:grid;gap:14px;align-content:start;min-width:0}.panel h3{font-size:16px;font-weight:600;margin:0;padding-bottom:12px;border-bottom:1px solid var(--line)}.panel-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px}.panel-title-row h3{padding-bottom:0;border-bottom:0}.key-form{display:grid;gap:10px}.key-list{display:grid;gap:8px;max-height:360px;overflow-y:auto}.key-row{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}.key-row span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.log-list{display:grid;gap:8px;max-height:520px;overflow-y:auto;padding-right:2px}.log-row{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;background:#fff;color:var(--text);display:grid;grid-template-columns:minmax(0,1fr) max-content;align-items:flex-start;gap:12px;white-space:normal;box-shadow:none;height:55px}.log-row:hover{background:var(--soft);border-color:#d1d5db;box-shadow:none}.log-main{min-width:0;display:grid;gap:2px;text-align:left}.log-main strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.log-main span,.log-row time{color:var(--muted);font-size:12px;line-height:1.45}.log-main span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.log-row time{text-align:right;white-space:nowrap}.pager{display:flex;align-items:center;justify-content:center;gap:12px}.pager span{color:var(--muted);font-size:13px}.row-actions{display:flex;gap:10px;align-items:center}.empty-line{text-align:center;padding:20px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:#0f172a59;display:grid;place-items:center;padding:20px}.app-dialog{width:min(420px,calc(100vw - 32px));max-width:none;padding:0;border:0;border-radius:var(--radius);background:transparent;color:var(--text);margin:auto}.app-dialog::backdrop{background:#0f172a59}.app-dialog-panel{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px;display:grid;gap:14px}.app-dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.app-dialog-header strong{font-size:16px;line-height:1.4}.app-dialog-message{color:var(--text);font-size:14px;line-height:1.6;word-break:break-word}.app-dialog-input{width:100%}.app-dialog-actions{display:flex;justify-content:flex-end;gap:10px}.log-detail-modal{width:min(720px,100%);max-height:min(720px,calc(100dvh - 40px));overflow:auto;background:var(--panel);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-lg)}.log-detail-list{display:grid;grid-template-columns:88px 1fr;gap:10px 16px;margin-top:16px}.log-detail-list dt{color:var(--muted);font-size:13px}.log-detail-list dd{min-width:0;word-break:break-word}.log-detail-list pre{white-space:pre-wrap;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}.toast{position:fixed;right:24px;bottom:24px;background:#0f172a;color:#fff;padding:12px 20px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:14px;z-index:999}@media(max-width:1280px){.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.logs-panel{grid-column:1 / -1}.notes-layout{grid-template-columns:190px 280px 1fr}}@media(max-width:768px){:root{--topbar-h: auto}.topbar{position:sticky;flex-wrap:wrap;gap:10px;padding:10px 12px}.brand{width:calc(100% - 78px)}.logout{margin-left:auto;padding:7px 10px;min-height:34px}.top-nav{width:100%;order:3;margin-left:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.top-nav button{width:100%;min-height:38px;padding:7px 8px}.main{padding:16px 12px calc(16px + var(--safe-bottom))}.toolbar{flex-direction:column;gap:12px}.toolbar h2{font-size:20px}.actions{width:100%}.actions input[type=search]{width:100%;flex:1 1 100%}.actions button,.actions .button{flex:1 1 auto}.file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.file-card{min-height:122px;padding:14px 8px 12px;border-radius:8px}.file-card:hover{transform:none;box-shadow:var(--shadow)}.file-icon{font-size:32px}.file-name{font-size:12px}.desktop-actions{display:none}.file-menu-trigger{display:inline-flex}.file-card.menu-open{border-color:var(--primary);box-shadow:var(--shadow-md)}.upload-dialog{left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));width:auto}.drag-overlay-inner{padding:32px 24px;font-size:16px}.notes-layout{grid-template-columns:110px 1fr;min-height:0;height:calc(100dvh - 174px);overflow:hidden}.note-categories{border-right:1px solid var(--line);overflow-y:auto;-webkit-overflow-scrolling:touch}.note-categories .note-list-header{font-size:11px;padding:10px 8px}.category-item{padding:10px 8px;font-size:12px;min-height:40px}.category-item strong{display:none}.note-list{border-right:1px solid var(--line);overflow-y:auto;-webkit-overflow-scrolling:touch}.note-list .note-list-header{font-size:11px}.note-item{padding:10px 12px}.note-item-title{font-size:13px}.note-item-meta{font-size:11px}.note-item-preview{display:none}.notes-layout.mobile-step-detail{grid-template-columns:1fr}.notes-layout.mobile-step-detail .note-categories,.notes-layout.mobile-step-detail .note-list{display:none}.notes-layout.mobile-step-detail .note-content{border-right:none;overflow-y:auto;-webkit-overflow-scrolling:touch}.mobile-hidden{display:none!important}.mobile-panel-back{display:flex;align-items:center;gap:4px;background:transparent;color:var(--primary);border:none;border-bottom:1px solid var(--line);padding:10px 16px;font-size:15px;font-weight:500;width:100%;min-height:44px}.mobile-panel-back:active{background:var(--soft)}.category-manage-row{align-items:flex-start;flex-direction:column}.category-form{grid-template-columns:1fr}.note-content{padding:16px}.mobile-back-btn{display:inline-flex;align-self:flex-start;background:transparent;color:var(--primary);border:none;padding:8px 12px 8px 0;font-size:15px;margin-bottom:8px}.note-content-header{flex-direction:column}.note-content-title{font-size:20px}.note-content-actions{width:100%}.note-content-actions button{flex:1}.editor-grid{grid-template-columns:1fr}.wang-editor .w-e-text-container{min-height:240px!important}.settings-grid{grid-template-columns:1fr}.logs-panel{grid-column:auto}.panel{padding:16px}.row-actions{flex-direction:column;gap:8px}.row-actions button{width:100%}.log-list{max-height:460px}.log-row{grid-template-columns:1fr}.log-row time{text-align:left}.log-detail-list{grid-template-columns:1fr;gap:4px}.app-dialog-actions{display:grid;grid-template-columns:1fr 1fr}.toast{left:16px;right:16px;bottom:calc(16px + var(--safe-bottom));text-align:center}}@media(max-width:380px){.file-grid{grid-template-columns:1fr}}