:root{--font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", sans-serif;--sidebar-bg: #F5F5F7;--main-bg: #FFFFFF;--preview-bg: #F2F2F7;--border-color: rgba(0, 0, 0, .08);--border-focus: #007AFF;--text-primary: #1D1D1F;--text-secondary: #86868B;--text-tertiary: #A1A1A6;--accent-blue: #007AFF;--accent-blue-hover: #0062CC;--accent-green: #34C759;--accent-purple: #AF52DE;--accent-red: #FF3B30;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-phone: 28px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-phone: 0 16px 36px rgba(0, 0, 0, .12), 0 2px 6px rgba(0, 0, 0, .04)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-system);background-color:var(--sidebar-bg);color:var(--text-primary);line-height:1.45;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;height:100dvh;overflow:hidden;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit;display:inline-flex;align-items:center;justify-content:center;transition:background-color .15s ease,opacity .15s ease}button:active{opacity:.75}button:disabled{opacity:.35;cursor:not-allowed}input,textarea,select{font-family:inherit;color:var(--text-primary);background:#fff;border:1px solid rgba(0,0,0,.15);border-radius:var(--radius-sm);padding:8px 12px;outline:none;font-size:14px;transition:border-color .15s ease,box-shadow .15s ease}input:focus,textarea:focus,select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #007aff26}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#00000026;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#00000040}.btn-mac-primary{background-color:var(--accent-blue);color:#fff;font-weight:600;font-size:13px;padding:7px 14px;border-radius:var(--radius-sm);gap:6px;box-shadow:0 1px 2px #007aff33}.btn-mac-primary:hover:not(:disabled){background-color:var(--accent-blue-hover)}.btn-mac-secondary{background-color:#fff;border:1px solid rgba(0,0,0,.15);color:var(--text-primary);font-weight:500;font-size:13px;padding:7px 14px;border-radius:var(--radius-sm);gap:6px;box-shadow:var(--shadow-sm)}.btn-mac-secondary:hover:not(:disabled){background-color:#f8f8fa}.ios-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.ios-modal-content{background:#fff;border-radius:16px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0003;display:flex;flex-direction:column}.ios-modal-header{height:50px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:.5px solid var(--border-color);background:#fff;position:sticky;top:0;z-index:10}.ios-modal-title{position:absolute;left:50%;transform:translate(-50%);font-size:16px;font-weight:600;text-align:center;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;pointer-events:none;color:var(--text-primary)}.ios-modal-body{padding:20px 16px;flex:1}.ios-section{background:#f5f5f7;border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;border:.5px solid var(--border-color)}.ios-section-header{font-size:12px;color:var(--text-secondary);font-weight:600;padding:0 12px 6px;text-transform:uppercase}.ios-row{padding:10px 14px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:.5px solid var(--border-color)}.ios-row:last-child{border-bottom:none}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}