*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--bg-surface: #1e2a4a;--bg-hover: #253555;--text-primary: #e8e8e8;--text-secondary: #a0a0b0;--text-muted: #6b7280;--accent: #4f8cff;--accent-hover: #3b7aed;--accent-light: rgba(79, 140, 255, .15);--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--warning: #f59e0b;--border: #2a3a5a;--bubble-sent: #4f8cff;--bubble-received: #2a3a5a;--radius: 8px;--radius-lg: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .3);--sat: env(safe-area-inset-top, 0px);--sar: env(safe-area-inset-right, 0px);--sab: env(safe-area-inset-bottom, 0px);--sal: env(safe-area-inset-left, 0px)}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);font-size:14px;line-height:1.5;overscroll-behavior:none}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none;font-family:inherit;font-size:inherit}input,select,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-layout{display:flex;height:100%;overflow:hidden}.sidebar{width:340px;min-width:340px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%}.main-content{flex:1;display:flex;flex-direction:column;height:100%;min-width:0;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);gap:12px}.app-header h1{font-size:16px;font-weight:600;white-space:nowrap}.workspace-switcher{display:flex;align-items:center;gap:8px}.workspace-switcher select{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border);padding:6px 10px;border-radius:var(--radius);max-width:200px}.header-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-weight:500;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-icon{padding:6px;background:transparent;color:var(--text-secondary);border-radius:var(--radius)}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:4px 10px;font-size:13px}.nav-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--bg-secondary)}.nav-tab{padding:10px 16px;color:var(--text-secondary);font-weight:500;background:none;border-bottom:2px solid transparent;transition:all .15s}.nav-tab:hover{color:var(--text-primary)}.nav-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.more-dropdown{position:absolute;left:0;top:100%;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);min-width:170px;box-shadow:var(--shadow);z-index:50;overflow:hidden}.more-dropdown-item{display:block;width:100%;text-align:left;padding:12px 14px;background:transparent;border:none;color:var(--text-primary);font-size:14px;cursor:pointer;transition:background .1s}.more-dropdown-item:hover{background:var(--bg-hover)}.more-dropdown-item:active{background:var(--bg-tertiary)}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}.search-box{padding:12px}.search-input{width:100%;padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);outline:none}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-muted)}.conversation-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.conversation-item{display:flex;align-items:center;padding:12px 16px;cursor:pointer;border-bottom:1px solid var(--border);transition:background .15s;gap:12px}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--accent-light)}.conv-avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;flex-shrink:0;color:var(--accent)}.conv-info{flex:1;min-width:0}.conv-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2px}.conv-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-time{font-size:12px;color:var(--text-muted);flex-shrink:0;margin-left:8px}.conv-preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-number{font-size:11px;color:var(--text-muted);margin-top:2px}.unread-badge{background:var(--accent);color:#fff;font-size:11px;font-weight:600;padding:1px 6px;border-radius:10px;min-width:18px;text-align:center}.chat-header{display:flex;align-items:center;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);gap:12px}.chat-header-info{flex:1}.chat-header-name{font-weight:600;font-size:15px}.chat-header-number{font-size:12px;color:var(--text-muted)}.chat-messages{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px;display:flex;flex-direction:column;gap:4px}.message-bubble{max-width:70%;padding:8px 14px;border-radius:16px;font-size:14px;line-height:1.4;word-wrap:break-word;position:relative}.message-outbound{align-self:flex-end;background:var(--bubble-sent);color:#fff;border-bottom-right-radius:4px}.message-inbound{align-self:flex-start;background:var(--bubble-received);color:var(--text-primary);border-bottom-left-radius:4px}.message-meta{font-size:11px;margin-top:2px;opacity:.7;display:flex;align-items:center;gap:4px}.message-outbound .message-meta{justify-content:flex-end}.status-icon{font-size:12px}.status-delivered{color:var(--success)}.status-failed{color:var(--danger)}.chat-input-area{display:flex;align-items:flex-end;padding:12px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);gap:8px}.chat-input-area textarea{flex:1;padding:10px 14px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--text-primary);resize:none;outline:none;max-height:120px;min-height:40px}.chat-input-area textarea:focus{border-color:var(--accent)}.send-btn{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.send-btn:hover{background:var(--accent-hover)}.send-btn:disabled{opacity:.5;cursor:default}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:12px;padding:20px;text-align:center}.empty-state-icon{font-size:48px;opacity:.5}.page{padding:24px;max-width:800px;margin:0 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;height:100%;width:100%}.page h2{font-size:20px;margin-bottom:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:500;margin-bottom:4px;color:var(--text-secondary);font-size:13px}.form-input{width:100%;padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);outline:none}.form-input:focus{border-color:var(--accent)}.form-row{display:flex;gap:12px;align-items:flex-end}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.card-title{font-weight:600;font-size:15px}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border)}.data-table th{color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.data-table tr:hover td{background:var(--bg-hover)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:100;padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px)}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;min-width:400px;max-width:90vw;box-shadow:var(--shadow)}.modal h3{margin-bottom:16px;font-size:17px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.toast{position:fixed;bottom:20px;right:20px;background:var(--bg-surface);border:1px solid var(--border);padding:12px 20px;border-radius:var(--radius);box-shadow:var(--shadow);z-index:200;animation:slideIn .2s ease}.toast-error{border-color:var(--danger)}@keyframes slideIn{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.login-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:24px}.login-screen h1{font-size:28px}.login-screen p{color:var(--text-secondary)}.loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header-left{display:flex;align-items:center;gap:8px}.page-header h2{margin-bottom:0}.mobile-cards{display:none}.mobile-card{padding:12px;border-bottom:1px solid var(--border)}.mobile-card:last-child{border-bottom:none}.mobile-card-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.mobile-card-label{font-weight:600;font-size:14px}.mobile-card-actions{display:flex;gap:6px;margin-top:6px}.date-separator{text-align:center;color:var(--text-muted);font-size:12px;padding:8px 0;position:relative}.date-separator:before,.date-separator:after{content:"";position:absolute;top:50%;width:calc(50% - 60px);height:1px;background:var(--border)}.date-separator:before{left:0}.date-separator:after{right:0}.compose-form{display:flex;flex-direction:column;gap:16px;padding:24px}.compose-form select{width:100%;padding:8px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);outline:none}.back-btn-mobile{display:none}@media(max-width:768px){.sidebar{width:100%;min-width:100%}.app-layout{flex-direction:column}.app-layout.show-chat .sidebar{display:none}.app-layout:not(.show-chat) .main-content{display:none}.app-header{padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top,0px));padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}.app-header h1{font-size:14px}.app-layout.show-chat .chat-header{padding-top:max(8px,env(safe-area-inset-top,0px));padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}.app-layout.show-chat .page{padding-top:max(16px,calc(env(safe-area-inset-top,0px) + 8px));padding-left:max(16px,calc(env(safe-area-inset-left,0px) + 8px));padding-right:max(16px,calc(env(safe-area-inset-right,0px) + 8px));padding-bottom:max(16px,calc(env(safe-area-inset-bottom,0px) + 8px))}.nav-tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}.nav-tab{padding:8px 10px;font-size:13px;white-space:nowrap;flex-shrink:0}.more-dropdown{min-width:180px;right:0;left:auto}.more-dropdown-item{padding:14px 16px;font-size:15px}.back-btn-mobile{display:flex}.message-bubble{max-width:85%}.modal{min-width:auto;margin:16px;margin-top:max(16px,env(safe-area-inset-top,0px));width:calc(100vw - 32px - env(safe-area-inset-left,0px) - env(safe-area-inset-right,0px));max-height:calc(90vh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));overflow-y:auto;-webkit-overflow-scrolling:touch}.page{padding:16px}.page h2{font-size:17px;margin-bottom:0}.page-header{margin-bottom:12px}.mobile-cards{display:block}.desktop-table{display:none}.form-row{flex-direction:column}.workspace-switcher select{max-width:140px;font-size:12px}.chat-input-area{padding:8px 12px;padding-bottom:max(8px,env(safe-area-inset-bottom,0px));padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px))}.compose-form{padding:16px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.card{padding:12px;margin-bottom:12px}.card-header{flex-direction:column;align-items:flex-start;gap:8px}.form-group{margin-bottom:12px}.btn{padding:8px 12px}.btn-sm{padding:6px 10px}.conversation-item{padding:10px 12px;padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));gap:10px}.conv-avatar{width:36px;height:36px;font-size:14px}.search-box{padding:8px;padding-left:max(8px,env(safe-area-inset-left,0px));padding-right:max(8px,env(safe-area-inset-right,0px))}.chat-header{padding:8px 12px}.chat-messages{padding:10px;padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px))}.empty-state-icon{font-size:36px}.form-input{font-size:14px}.sidebar-footer{padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom,0px));padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.toast{bottom:max(20px,calc(env(safe-area-inset-bottom,0px) + 8px));right:max(20px,calc(env(safe-area-inset-right,0px) + 8px));left:max(20px,calc(env(safe-area-inset-left,0px) + 8px));right:auto;max-width:calc(100vw - 40px)}}@supports (padding: env(safe-area-inset-bottom)){.sidebar{padding-bottom:env(safe-area-inset-bottom)}.chat-input-area,.page{padding-bottom:max(12px,env(safe-area-inset-bottom))}}