*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1a73e8;--primary-dark: #1557b0;--primary-light: #e8f0fe;--sidebar-bg: #f6f8fc;--sidebar-hover: #e8eaed;--sidebar-active: #d3e3fd;--sidebar-active-text: #0b57d0;--surface: #ffffff;--bg: #f6f8fc;--border: #e0e0e0;--text-primary: #202124;--text-secondary: #5f6368;--text-muted: #80868b;--red: #d93025;--green: #188038;--yellow: #f29900;--shadow-sm: 0 1px 2px rgba(60,64,67,.15), 0 1px 3px 1px rgba(60,64,67,.1);--shadow-md: 0 1px 3px rgba(60,64,67,.2), 0 4px 8px 3px rgba(60,64,67,.1);--radius: 24px;--sidebar-w: 256px;--header-h: 64px}html,body,#root{height:100%;font-family:Google Sans,Roboto,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text-primary);font-size:14px}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit;border:none;background:none}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#dadce0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#bdc1c6}@keyframes slideIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.animate-in{animation:fadeIn .2s ease}.animate-slide{animation:slideIn .2s ease}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f0fe,#f6f8fc,#e8f0fe);padding:24px 16px}.auth-card{background:#fff;border-radius:16px;padding:48px 40px;width:100%;max-width:420px;box-shadow:0 8px 40px #1a73e81f,0 2px 8px #0000000f}.auth-logo{font-size:52px;text-align:center;margin-bottom:8px}.auth-brand{font-size:30px;font-weight:700;text-align:center;color:var(--text-primary);margin-bottom:4px}.auth-sub{color:var(--text-secondary);text-align:center;margin-bottom:32px;font-size:15px}.auth-label{font-size:13px;font-weight:600;color:#374151;display:block;margin-bottom:6px;margin-top:16px}.auth-input{width:100%;border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fafafa}.auth-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1a73e81f;background:#fff}.auth-btn{width:100%;background:var(--primary);color:#fff;border-radius:10px;padding:14px;font-size:15px;font-weight:700;margin-top:24px;transition:background .2s,box-shadow .2s;box-shadow:0 2px 8px #1a73e84d}.auth-btn:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 4px 12px #1a73e866}.auth-btn:disabled{opacity:.65;cursor:not-allowed}.auth-error{background:#fce8e6;color:#c5221f;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px;border-left:3px solid #d93025}.auth-success{background:#e6f4ea;color:#137333;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px;border-left:3px solid #188038}.auth-foot{text-align:center;color:var(--text-secondary);font-size:14px;margin-top:20px}.auth-link{color:var(--primary);font-weight:600}.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--text-muted);font-size:13px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.app-shell{display:grid;grid-template-rows:var(--header-h) 1fr;grid-template-columns:var(--sidebar-w) 1fr;grid-template-areas:"header header" "sidebar main";height:100vh;overflow:hidden}.app-header{grid-area:header;display:flex;align-items:center;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--border);gap:12px;z-index:100}.header-logo{display:flex;align-items:center;gap:8px;width:var(--sidebar-w);flex-shrink:0}.header-logo-icon{font-size:28px}.header-logo-name{font-size:22px;font-weight:400;color:#5f6368;letter-spacing:-.5px}.header-logo-name span{color:var(--primary);font-weight:600}.header-search{flex:1;max-width:720px;display:flex;align-items:center;background:#eaf1fb;border-radius:24px;padding:0 16px;gap:10px;height:46px;transition:background .2s,box-shadow .2s}.header-search:focus-within{background:#fff;box-shadow:var(--shadow-sm)}.header-search-icon{color:var(--text-secondary);font-size:18px}.header-search input{flex:1;border:none;outline:none;background:transparent;font-size:16px;color:var(--text-primary)}.header-search input::placeholder{color:var(--text-secondary)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.header-icon-btn{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-secondary);transition:background .15s}.header-icon-btn:hover{background:var(--sidebar-hover)}.header-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;cursor:pointer;flex-shrink:0}.sidebar{grid-area:sidebar;background:var(--sidebar-bg);overflow-y:auto;padding:8px 0;border-right:none}.sidebar-compose{margin:8px 16px 16px;display:flex;align-items:center;gap:12px;background:#fff;color:var(--text-primary);border-radius:var(--radius);padding:16px 20px;font-size:14px;font-weight:600;box-shadow:var(--shadow-sm);transition:box-shadow .2s;cursor:pointer;border:none;width:calc(100% - 32px)}.sidebar-compose:hover{box-shadow:var(--shadow-md)}.sidebar-compose-icon{font-size:22px}.sidebar-section{margin:4px 0}.sidebar-section-label{font-size:11px;font-weight:700;color:var(--text-muted);padding:8px 16px 4px;text-transform:uppercase;letter-spacing:.8px}.nav-item{display:flex;align-items:center;gap:12px;padding:8px 16px 8px 12px;border-radius:0 24px 24px 0;margin-right:16px;font-size:14px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:background .15s;text-decoration:none}.nav-item:hover{background:var(--sidebar-hover)}.nav-item.active{background:var(--sidebar-active);color:var(--sidebar-active-text);font-weight:700}.nav-icon{font-size:18px;width:24px;text-align:center;flex-shrink:0}.nav-badge{margin-left:auto;background:var(--primary);color:#fff;border-radius:10px;padding:1px 8px;font-size:12px;font-weight:700;min-width:20px;text-align:center}.main-area{grid-area:main;overflow-y:auto;background:var(--surface);display:flex;flex-direction:column}.toolbar{display:flex;align-items:center;gap:8px;padding:8px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.toolbar-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:6px;font-size:13px;color:var(--text-secondary);font-weight:500;transition:background .15s}.toolbar-btn:hover{background:var(--sidebar-hover)}.toolbar-btn-icon{font-size:16px}.email-list{flex:1;overflow-y:auto}.email-row{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid #f1f3f4;cursor:pointer;transition:background .1s;min-height:52px}.email-row:hover{background:#f2f6fc;box-shadow:inset 1px 0 #dadce0,inset -1px 0 #dadce0}.email-row.unread{background:#fff;font-weight:700}.email-row.unread .email-sender{font-weight:800}.email-row.read{background:#f6f8fc}.email-row.selected{background:#c2dbff}.email-checkbox{flex-shrink:0;cursor:pointer;accent-color:var(--primary);width:16px;height:16px}.email-star{font-size:16px;color:#dadce0;flex-shrink:0;cursor:pointer}.email-star.starred{color:#f29900}.email-sender{width:180px;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.email-content{flex:1;overflow:hidden;display:flex;gap:8px;align-items:baseline}.email-subject{color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-preview{color:var(--text-secondary);font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.email-meta{display:flex;align-items:center;gap:8px;flex-shrink:0}.email-date{color:var(--text-secondary);font-size:12px;white-space:nowrap;font-weight:400}.email-attachment{font-size:14px;color:var(--text-muted)}.email-view{flex:1;overflow-y:auto;padding:24px 32px;animation:fadeIn .2s ease}.email-view-header{margin-bottom:24px}.email-view-subject{font-size:24px;font-weight:400;color:var(--text-primary);margin-bottom:16px}.email-view-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.email-view-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0}.email-view-sender-info{flex:1}.email-view-sender-name{font-weight:600;font-size:14px}.email-view-sender-email,.email-view-date{color:var(--text-secondary);font-size:13px}.email-view-body{font-size:15px;line-height:1.7;color:var(--text-primary);margin-top:24px;white-space:pre-wrap}.compose-modal{position:fixed;bottom:0;right:24px;width:560px;max-width:calc(100vw - 32px);background:#fff;border-radius:12px 12px 0 0;box-shadow:0 8px 40px #00000040;z-index:200;animation:slideIn .2s ease;display:flex;flex-direction:column}.compose-header{display:flex;align-items:center;padding:12px 16px;background:#404040;color:#fff;border-radius:12px 12px 0 0;cursor:move}.compose-title{flex:1;font-size:14px;font-weight:600}.compose-close{color:#fff;font-size:18px;opacity:.8;padding:2px 6px;border-radius:4px}.compose-close:hover{opacity:1;background:#ffffff26}.compose-field{display:flex;align-items:center;padding:8px 16px;border-bottom:1px solid var(--border);gap:8px}.compose-field-label{color:var(--text-secondary);font-size:13px;width:36px;flex-shrink:0}.compose-field input{flex:1;border:none;outline:none;font-size:14px;color:var(--text-primary);background:transparent}.compose-body{flex:1;min-height:200px;max-height:300px;padding:12px 16px;border:none;outline:none;resize:none;font-size:14px;color:var(--text-primary);line-height:1.6}.compose-toolbar{display:flex;align-items:center;padding:10px 16px;gap:8px;border-top:1px solid var(--border)}.compose-send{background:var(--primary);color:#fff;border-radius:24px;padding:8px 24px;font-size:14px;font-weight:600;transition:background .2s}.compose-send:hover{background:var(--primary-dark)}.compose-fmt-btn{padding:6px;border-radius:4px;color:var(--text-secondary);font-size:16px}.compose-fmt-btn:hover{background:var(--sidebar-hover)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-secondary);padding:40px}.empty-state-icon{font-size:64px;opacity:.3}.empty-state-title{font-size:22px;font-weight:400;color:var(--text-primary)}.empty-state-sub{font-size:14px}.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}.chip-blue{background:var(--primary-light);color:var(--primary)}.chip-green{background:#e6f4ea;color:#137333}.chip-red{background:#fce8e6;color:#c5221f}.chip-gray{background:#f1f3f4;color:var(--text-secondary)}.chip-yellow{background:#fef7e0;color:#b06000}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:16px;font-weight:600;color:var(--text-primary)}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{padding:10px 16px;text-align:left;color:var(--text-secondary);font-weight:600;border-bottom:2px solid var(--border);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.data-table td{padding:12px 16px;border-bottom:1px solid #f1f3f4}.data-table tr:hover td{background:#f8fafc}.btn-primary{background:var(--primary);color:#fff;border-radius:6px;padding:8px 18px;font-size:14px;font-weight:600;transition:background .2s}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--red);color:#fff;border-radius:6px;padding:8px 18px;font-size:14px;font-weight:600}.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary);border-radius:6px;padding:7px 18px;font-size:14px;font-weight:600}.btn-outline:hover{background:var(--primary-light)}.btn-ghost{color:var(--text-secondary);border-radius:6px;padding:8px 14px;font-size:14px;transition:background .15s}.btn-ghost:hover{background:var(--sidebar-hover)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.form-input{width:100%;border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1a73e81a}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.spinner-dark{border-color:#00000026;border-top-color:var(--primary)}.mobile-header{display:none}@media (max-width: 768px){:root{--sidebar-w: 0px}.app-shell{grid-template-columns:1fr;grid-template-areas:"header" "main"}.sidebar{position:fixed;left:-280px;top:0;bottom:0;width:280px;z-index:150;transition:left .25s ease;box-shadow:none}.sidebar.open{left:0;box-shadow:var(--shadow-md)}.mobile-header{display:flex;align-items:center;padding:0 12px;gap:8px}.burger-btn{font-size:22px;padding:8px;border-radius:50%;color:var(--text-secondary)}.burger-btn:hover{background:var(--sidebar-hover)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:140}.header-search{display:none}.email-sender{width:120px}.compose-modal{right:0;width:100vw}.email-view{padding:16px}}.burger-btn,.sidebar-overlay,.mobile-header{display:none}@media (max-width: 768px){:root{--sidebar-w: 280px;--header-h: 56px}.app-shell{grid-template-columns:1fr;grid-template-areas:"header" "main"}.app-header{padding:0 12px;gap:8px}.header-logo{width:auto;flex-shrink:0}.header-logo-name{font-size:18px}.header-search{flex:1;min-width:0}.header-search input{font-size:14px}.header-icon-btn{width:36px;height:36px;font-size:16px}.header-avatar{width:32px;height:32px;font-size:12px}.burger-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;font-size:18px;color:var(--text-secondary);background:none;border:none;cursor:pointer;flex-shrink:0}.burger-btn:hover{background:var(--sidebar-hover)}.sidebar{position:fixed;top:0;left:-300px;width:var(--sidebar-w);height:100vh;z-index:500;transition:left .25s cubic-bezier(.4,0,.2,1);box-shadow:none;border-right:none;overflow-y:auto;padding-top:var(--header-h)}.sidebar.open{left:0;box-shadow:var(--shadow-md)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:499}.main-content{margin-left:0!important;width:100%;height:calc(100vh - var(--header-h));overflow-y:auto}.inbox-row{padding:10px 12px;border-radius:0}.compose-form{padding:12px 16px}.plans-grid{grid-template-columns:1fr 1fr!important;gap:12px!important}.admin-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.auth-card{padding:32px 24px;border-radius:12px}}@media (max-width: 480px){.plans-grid{grid-template-columns:1fr!important}.auth-card{padding:28px 16px}.auth-brand{font-size:24px}.auth-logo{font-size:44px}.header-search{display:none}.message-view-content{padding:12px!important}.admin-pending-card-actions{flex-direction:row;flex-wrap:wrap;gap:6px}}@media (hover: none) and (pointer: coarse){.sidebar-item{min-height:44px}.auth-btn{min-height:48px}.header-icon-btn{min-height:44px;min-width:44px}button{-webkit-tap-highlight-color:rgba(26,115,232,.1)}}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:20px;cursor:pointer;font-size:14px;color:var(--text-secondary);transition:background .15s;text-decoration:none}.sidebar-item:hover{background:var(--sidebar-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--sidebar-active);color:var(--sidebar-active-text);font-weight:600}.sidebar-icon{font-size:18px;width:24px;text-align:center;flex-shrink:0}.sidebar-label{flex:1}.sidebar-divider{height:1px;background:var(--border);margin:8px 16px}.sidebar-section-title{font-size:11px;font-weight:700;color:var(--text-muted);padding:8px 16px 4px;letter-spacing:.8px;text-transform:uppercase}