:root{--mc-blue: #007AFF;--mc-blue-dark: #0062CC;--mc-blue-light: #4DA3FF;--mc-bg: #ffffff;--mc-bg-secondary: #f2f2f7;--mc-bg-tertiary: #e5e5ea;--mc-text: #000000;--mc-text-secondary: #8e8e93;--mc-border: #e5e5ea;--mc-green: #34c759;--mc-red: #ff3b30;--mc-gray: #8e8e93;--mc-max-width: 100%;--mc-header-h: 60px}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--mc-bg);color:var(--mc-text);font-size:16px;line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior-y:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;outline:none;border:none}a{color:var(--mc-blue);text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#c7c7cc;border-radius:3px}::-webkit-scrollbar-track{background:transparent}@media (prefers-color-scheme: dark){:root{--mc-bg: #000000;--mc-bg-secondary: #1c1c1e;--mc-bg-tertiary: #2c2c2e;--mc-text: #ffffff;--mc-text-secondary: #8e8e93;--mc-border: #38383a}}.mc-app{display:flex;flex-direction:column;height:100vh;background:var(--mc-bg)}.mc-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--mc-blue);color:#fff;height:var(--mc-header-h);flex-shrink:0;box-shadow:0 2px 8px #007aff26;position:relative;z-index:10}.mc-header-left{display:flex;align-items:center;gap:10px}.mc-logo{font-size:24px;width:36px;height:36px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center}.mc-title{font-size:18px;font-weight:700;margin:0;letter-spacing:-.3px}.mc-header-right{display:flex;gap:6px}.mc-icon-btn{width:38px;height:38px;border-radius:50%;font-size:18px;display:flex;align-items:center;justify-content:center;color:#fff;transition:background .15s}.mc-icon-btn:hover{background:#ffffff26}.mc-tabs{display:flex;background:var(--mc-bg);border-bottom:1px solid var(--mc-border);padding:0 12px;flex-shrink:0;position:relative;z-index:5}.mc-tab{flex:1;padding:14px 8px;font-size:14px;font-weight:600;color:var(--mc-text-secondary);position:relative;transition:color .15s}.mc-tab:hover{color:var(--mc-text)}.mc-tab.active{color:var(--mc-blue)}.mc-tab.active:after{content:"";position:absolute;bottom:-1px;left:20%;right:20%;height:2px;background:var(--mc-blue);border-radius:2px 2px 0 0}.mc-content{flex:1;overflow-y:auto;background:var(--mc-bg);-webkit-overflow-scrolling:touch}.mc-loading{text-align:center;padding:60px 20px;color:var(--mc-text-secondary);font-size:14px}.mc-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 24px;text-align:center;min-height:60vh}.mc-empty-icon{font-size:64px;margin-bottom:16px;opacity:.85}.mc-empty-title{font-size:20px;font-weight:700;color:var(--mc-text);margin-bottom:6px}.mc-empty-desc{font-size:14px;color:var(--mc-text-secondary);margin-bottom:24px;max-width:320px}.mc-btn-primary{padding:12px 28px;background:var(--mc-blue);color:#fff;border-radius:22px;font-size:15px;font-weight:600;transition:background .15s,transform .1s}.mc-btn-primary:hover{background:var(--mc-blue-dark)}.mc-btn-primary:active{transform:scale(.97)}.mc-list{display:flex;flex-direction:column}.mc-list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background .1s;border-bottom:1px solid var(--mc-border)}.mc-list-item:hover{background:var(--mc-bg-secondary)}.mc-list-item:active{background:var(--mc-bg-tertiary)}.mc-avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--mc-blue),var(--mc-blue-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;flex-shrink:0;text-transform:uppercase}.mc-avatar.missed{background:linear-gradient(135deg,#ff3b30,#ff6961)}.mc-list-info{flex:1;min-width:0}.mc-list-name{font-size:16px;font-weight:600;color:var(--mc-text);margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mc-list-preview{font-size:13px;color:var(--mc-text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mc-list-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.mc-list-time{font-size:12px;color:var(--mc-text-secondary)}.mc-list-badge{background:var(--mc-blue);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px}.mc-fab{position:fixed;bottom:24px;right:20px;width:56px;height:56px;border-radius:50%;background:var(--mc-blue);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #007aff66;transition:transform .15s,box-shadow .15s;z-index:20}.mc-fab:hover{transform:scale(1.08);box-shadow:0 6px 20px #007aff8c}.mc-fab:active{transform:scale(.96)}@media (max-width: 480px){.mc-title{font-size:16px}.mc-header{padding:10px 12px}.mc-avatar{width:46px;height:46px;font-size:20px}.mc-list-name{font-size:15px}}.mc-login-wrap{display:flex;align-items:center;justify-content:center;padding:24px;min-height:calc(100vh - var(--mc-header-h))}.mc-login-form{width:100%;max-width:380px;display:flex;flex-direction:column;gap:12px}.mc-login-icon{font-size:60px;text-align:center;margin-bottom:8px}.mc-login-title{font-size:26px;font-weight:800;text-align:center;color:var(--mc-text);margin:0}.mc-login-desc{font-size:14px;text-align:center;color:var(--mc-text-secondary);margin:0 0 16px}.mc-login-error{background:#ffebee;color:#c62828;padding:10px 14px;border-radius:10px;font-size:13px;border:1px solid #ffcdd2}.mc-login-input{width:100%;padding:14px 16px;background:var(--mc-bg-secondary);border-radius:12px;font-size:15px;color:var(--mc-text);transition:background .15s;border:2px solid transparent}.mc-login-input:focus{background:var(--mc-bg);border-color:var(--mc-blue)}.mc-login-input::placeholder{color:var(--mc-text-secondary)}.mc-login-btn{width:100%;margin-top:8px;padding:14px;font-size:16px;border-radius:12px}.mc-login-btn:disabled{opacity:.6;cursor:not-allowed}.mc-login-or{text-align:center;color:var(--mc-text-secondary);font-size:13px;margin:8px 0}.mc-login-link{text-align:center;color:var(--mc-blue);font-size:14px;font-weight:600;padding:8px}.mc-login-link:hover{text-decoration:underline}