:root{--primary: #10b981;--primary-dark: #047857;--primary-light: #ecfdf5;--bg-body: #f8fafc;--white: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);--header-height: 70px;--font-ui: "Inter", sans-serif;--font-editor: "Pyidaungsu", "Padauk", sans-serif}body.dark-mode{--bg-body: #0f172a;--white: #1e293b;--text-main: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--primary-light: #134e4a;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0;outline:none}html,body{height:100%;overflow:hidden}body{background:var(--bg-body);font-family:var(--font-ui);color:var(--text-main);display:flex;flex-direction:column;transition:background .3s,color .3s;white-space:pre-wrap}#root{height:100%;display:flex;flex-direction:column;width:100%;overflow:hidden}header.app-header{height:var(--header-height);flex-shrink:0;background:var(--white);border-bottom:1px solid var(--border);padding:0 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var(--border);width:35px;height:35px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);transition:.2s}.user-section{display:none;align-items:center;gap:10px}.profile-icon{width:35px;height:35px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 5px #0000001a}.username-display{font-size:.9rem;font-weight:600;color:var(--text-main)}.settings-btn{width:35px;height:35px;border-radius:50%;background:var(--white);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:.2s}.live-badge{display:inline-flex;align-items:center;gap:6px;background:var(--white);padding:5px 12px;border-radius:20px;font-size:.75rem;font-weight:700;border:1px solid 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#0000000d}.btn:hover{transform:translateY(-1px);border-color:var(--primary)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-copy{background:var(--primary);color:#fff;border:1px solid var(--primary)}.btn-copy:hover{background:var(--primary-dark);color:#fff}.btn-format{background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--border)}.btn-format:hover{border-color:var(--primary)}body.dark-mode .btn-format{color:var(--primary)}input.form-control,textarea.form-control{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;margin-bottom:12px;font-family:var(--font-ui);transition:.2s;font-size:.95rem;background:var(--white);color:var(--text-main)}input.form-control:focus{border-color:var(--primary)}.chat-fab-container{position:fixed;bottom:40px;right:40px;display:flex;flex-direction:column;gap:15px;z-index:2500;align-items:center}.chat-fab{width:50px;height:50px;border-radius:50%;background:var(--primary);color:#fff;box-shadow:0 4px 10px #0003;display:flex;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;transition:transform .2s;position:relative}.chat-fab:hover{transform:scale(1.1)}.red-fab{background:#ef4444;display:none}.notification-badge{position:absolute;top:-5px;right:-5px;background-color:#ef4444;color:#fff;font-size:.75rem;font-weight:700;min-width:20px;height:20px;border-radius:50%;display:none;align-items:center;justify-content:center;border:2px solid white;box-shadow:0 2px 4px #0003;z-index:3000}.chat-container{position:fixed;bottom:40px;right:110px;width:320px;height:450px;background:var(--white);border:1px solid var(--border);border-radius:16px;box-shadow:0 5px 20px #00000026;display:none;flex-direction:column;z-index:2500;overflow:hidden}.chat-header{padding:12px 15px;background:var(--primary);color:#fff;font-weight:700;display:flex;justify-content:space-between;align-items:center;transition:background 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#ef4444}.red-tab-content{padding:20px;display:none;flex-direction:column;gap:15px}.red-tab-content.active{display:flex}.chat-row{display:flex;align-items:flex-end;gap:10px;width:100%}.chat-row.me{justify-content:flex-end}.chat-row.others{justify-content:flex-start}.chat-bubble{max-width:70%;padding:10px 14px;border-radius:16px;font-size:.9rem;line-height:1.4;word-wrap:break-word}.chat-row.me .chat-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:2px}.chat-row.others .chat-bubble{background:#e2e8f0;color:#1e293b;border-bottom-left-radius:2px}.avatar-wrapper{position:relative;width:30px;height:30px;flex-shrink:0}.chat-avatar{width:100%;height:100%;border-radius:50%;background:#cbd5e1;color:#64748b;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;box-shadow:0 2px 4px #0000001a}.chat-row.me .chat-avatar{background:var(--primary-light);color:var(--primary-dark)}.user-online-dot{width:10px;height:10px;background-color:var(--primary);border:2px solid var(--white);border-radius:50%;position:absolute;bottom:-2px;right:-2px;z-index:10;display:none;box-shadow:0 1px 2px #0003}.delete-btn{font-size:.9rem;cursor:pointer;color:var(--text-muted);opacity:.5;transition:.2s;padding:5px}.chat-row:hover .delete-btn{opacity:1;color:#ef4444}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0006;z-index:3000;display:none;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-box{background:var(--white);width:95%;max-width:500px;border-radius:16px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000040;border:1px solid var(--border)}.modal-header{padding:15px 25px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:var(--white)}.modal-title{font-weight:700;font-size:1.1rem;color:var(--text-main)}.close-btn{cursor:pointer;font-size:1.5rem;color:var(--text-muted)}.modal-tabs{display:flex;background:var(--bg-body);border-bottom:1px solid var(--border);padding:0 10px}.tab-btn{flex:1;padding:15px;border:none;background:transparent;cursor:pointer;font-weight:600;color:var(--text-muted);position:relative;text-align:center}.tab-btn.active{color:var(--primary)}.tab-btn.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--primary)}.modal-body{padding:30px;flex-grow:1;overflow-y:auto;max-height:70vh}@media(max-width:768px){header.app-header{height:auto;padding:15px;flex-direction:column;gap:10px}.header-center{position:relative;left:auto;top:auto;transform:none;margin:5px 0}.main-wrapper{flex-direction:column;gap:15px;margin-top:20px}.side-floater{width:100%;position:relative;top:0;flex-direction:row;justify-content:center}.tools-box{flex-direction:row;width:auto;padding:5px 15px}.toolbar{top:0}.chat-container{width:100%;height:50%;bottom:0;right:0;border-radius:0;z-index:2600}.chat-fab-container{bottom:20px;right:20px}}.backup-list{position:absolute;top:0;right:60px;width:200px;max-height:300px;overflow-y:auto;background:var(--white);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);z-index:100;display:flex;flex-direction:column}.backup-item{padding:10px 15px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .2s}.backup-info{display:flex;flex-direction:column;gap:2px}.backup-item:last-child{border-bottom:none}.backup-item:hover{background:var(--bg-body)}.backup-item span{font-weight:600;font-size:.85rem;color:var(--text-main)}.backup-item small{font-size:.75rem;color:var(--text-muted)}.backup-delete{color:var(--text-muted);font-size:.9rem;padding:5px;border-radius:4px;transition:.2s;opacity:.5}.backup-item:hover .backup-delete{opacity:1}.backup-delete:hover{color:#ef4444;background:#ef44441a}