:root{--bg-gradient: #0d1117;--panel-bg: #161b22;--panel-border: #30363d;--glass-bg: rgba(22, 27, 34, .6);--glass-border: rgba(48, 54, 61, .7);--text-primary: #c9d1d9;--text-secondary: #8b949e;--text-muted: #6e7681;--primary: #2f81f7;--primary-hover: #58a6ff;--primary-glow: rgba(47, 129, 247, .3);--success: #3fb950;--danger: #f85149;--warning: #d29922;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}html,body,#root{width:100%;height:100%;min-width:340px;min-height:480px}body{font-family:var(--font-sans);background:var(--bg-gradient);color:var(--text-primary);height:100vh;overflow:hidden;display:flex;flex-direction:column;font-size:12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}.titlebar{height:38px;background:#010409;border-bottom:1px solid var(--panel-border);display:flex;align-items:center;justify-content:space-between;padding:0 12px;-webkit-app-region:drag}.titlebar-logo{font-size:14px;font-weight:600;letter-spacing:0;color:var(--text-primary);display:flex;align-items:center;gap:6px}.titlebar-controls{display:flex;gap:8px;-webkit-app-region:no-drag}.titlebar-btn{width:14px;height:14px;border-radius:50%;border:none;cursor:pointer;transition:all .2s ease;position:relative;display:flex;align-items:center;justify-content:center}.titlebar-btn.close{background:#f85149}.titlebar-btn.close:hover{background:#da3633}.titlebar-btn.minimize{background:#8b949e}.titlebar-btn.minimize:hover{background:#6e7681}.app-container{display:flex;flex-direction:column;flex:1;height:calc(100vh - 38px);min-height:0;overflow:hidden;position:relative}.glass-panel{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;padding:16px;transition:all .2s ease}.auth-container{display:flex;flex-direction:column;justify-content:center;align-items:stretch;padding:24px;height:100%;gap:20px}.auth-header{text-align:center;margin-bottom:12px}.auth-title{font-size:24px;font-weight:700;margin-bottom:6px}.auth-subtitle{color:var(--text-secondary);font-size:13px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-label{font-size:12px;font-weight:600;color:var(--text-secondary)}.form-input{background:#0d1117;border:1px solid var(--panel-border);border-radius:6px;padding:8px 12px;color:var(--text-primary);font-family:var(--font-sans);font-size:13px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-glow)}.btn{background:var(--primary);color:#fff;border:1px solid rgba(240,246,252,.1);border-radius:6px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}.btn:hover{background:var(--primary-hover)}.btn:active{background:#1f6feb}.btn-secondary{background:#21262d;border:1px solid var(--panel-border);color:var(--text-primary)}.btn-secondary:hover{background:#30363d;border-color:#8b949e}.auth-toggle{text-align:center;font-size:13px;color:var(--text-secondary);margin-top:10px}.auth-toggle-link{color:var(--primary);font-weight:600;cursor:pointer;margin-left:4px}.auth-toggle-link:hover{text-decoration:underline}.tab-bar{display:flex;background:#0d1117;border-bottom:1px solid var(--panel-border);height:44px}.tab-btn{flex:1;background:transparent;border:none;color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;position:relative;transition:color .2s ease}.tab-btn.active{color:var(--text-primary);font-weight:600}.tab-btn.active:after{content:"";position:absolute;bottom:0;left:15%;right:15%;height:2px;background:var(--primary);border-radius:2px 2px 0 0}.view-content{flex:1;overflow-y:auto;position:relative}.folder-header{background:var(--panel-bg);border-bottom:1px solid var(--panel-border);padding:12px;display:flex;flex-direction:column;gap:8px}.folder-title-row{display:flex;justify-content:space-between;align-items:center}.folder-path{font-size:11px;color:var(--text-secondary);background:#0d1117;padding:6px 10px;border-radius:6px;word-break:break-all;-webkit-user-select:text;user-select:text;border:1px solid var(--panel-border)}.storage-bar-container{display:flex;flex-direction:column;gap:4px}.storage-bar-metrics{display:flex;justify-content:space-between;font-size:11px;color:var(--text-muted)}.storage-bar-track{height:6px;background:#21262d;border-radius:3px;overflow:hidden}.storage-bar-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .3s ease}.file-list{padding:12px;display:flex;flex-direction:column;gap:8px}.file-card{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;padding:12px;display:flex;flex-direction:column;gap:8px;transition:border-color .2s ease,background .2s ease}.file-card:hover{background:#21262d;border-color:#8b949e}.file-row{display:flex;justify-content:space-between;align-items:flex-start}.file-details{display:flex;flex-direction:column;gap:2px;max-width:70%}.file-name{font-size:13px;font-weight:600;word-break:break-all}.file-meta{font-size:11px;color:var(--text-secondary)}.file-status-badge{font-size:10px;font-weight:700;padding:2px 6px;border-radius:2em;text-transform:uppercase}.file-status-badge.synced{background:#3fb95026;color:var(--success)}.file-status-badge.outdated{background:#d2992226;color:var(--warning)}.file-status-badge.missing{background:#f8514926;color:var(--danger)}.file-upload-section{padding:16px;border-top:1px solid var(--panel-border);background:var(--panel-bg)}.chat-container{display:flex;flex-direction:column;height:100%}.message-history{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.message-bubble{display:flex;flex-direction:column;gap:4px;max-width:90%;align-self:flex-start}.message-bubble.mine{align-self:flex-end}.message-info{display:flex;align-items:center;gap:6px;font-size:11px}.message-sender{font-weight:600;color:var(--primary)}.message-time{color:var(--text-muted)}.message-content-box{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;padding:8px 12px;font-size:12px;line-height:1.4;word-break:break-word;color:var(--text-primary);position:relative}.message-bubble.mine .message-content-box{background:#2f81f71f;border-color:#2f81f740}.message-tag{display:inline-block;font-size:9px;font-weight:700;padding:1px 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10px;color:var(--text-primary);font-family:var(--font-sans);font-size:12px;outline:none;resize:none;height:36px;line-height:1.4}.chat-textarea:focus{border-color:var(--primary)}.chat-icon-btn{background:#21262d;border:1px solid var(--panel-border);border-radius:6px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.chat-icon-btn:hover{background:#30363d;color:var(--text-primary);border-color:#8b949e}.chat-icon-btn.active{background:#2f81f726;color:var(--primary);border-color:var(--primary)}.chat-icon-btn.send{background:var(--primary);color:#fff;border:none}.chat-icon-btn.send:hover{background:var(--primary-hover)}.chat-attachment-preview{display:flex;align-items:center;justify-content:space-between;background:#2f81f714;border:1px solid rgba(47,129,247,.2);border-radius:6px;padding:4px 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transparent}.color-dot.active{border-color:#fff}.billing-panel{padding:12px;display:flex;flex-direction:column;gap:12px;height:100%}.plan-card{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;padding:14px;display:flex;flex-direction:column;gap:8px;transition:all .2s ease}.plan-card.current{border-color:var(--success);background:#3fb9500d}.plan-title-row{display:flex;justify-content:space-between;align-items:center}.plan-name{font-size:15px;font-weight:700}.plan-price{font-size:13px;font-weight:600;color:var(--text-secondary)}.plan-features{font-size:11px;color:var(--text-secondary);list-style:none;display:flex;flex-direction:column;gap:4px;margin-top:4px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0d1117d9;display:flex;align-items:center;justify-content:center;padding:16px;z-index:1000}.modal-content{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:6px;width:100%;max-width:320px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 8px 24px #00000080}.modal-header{padding:12px 16px;border-bottom:1px solid var(--panel-border);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:14px;font-weight:600}.modal-close-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer}.modal-body{padding:16px;overflow-y:auto;display:flex;align-items:center;justify-content:center}.modal-body img{max-width:100%;border-radius:6px;border:1px solid var(--panel-border)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.context-menu-item{width:100%;text-align:left;background:transparent;border:none;color:var(--text-primary);padding:6px 12px;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:8px;outline:none;transition:background .1s}.context-menu-item:hover{background:#2f81f71a;color:var(--primary)}