:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6;font-weight:400;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:100%;min-height:100vh;background:#f5f5f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6;color:#333}#app{width:100%;min-height:100vh;margin:0;padding:0;text-align:left}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:transparent;cursor:pointer;transition:border-color 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#e1e5e9;margin-top:10px;white-space:pre-wrap;color:#333;line-height:1.6}.quick-actions{display:flex;gap:15px;flex-wrap:wrap;justify-content:center;padding:25px 0 15px;border-top:1px solid #e1e5e9}.quick-btn{padding:14px 24px;background:#f8f9fa;border:1px solid #e1e5e9;border-radius:12px;cursor:pointer;font-size:1rem;transition:all .3s;color:#333;font-weight:500;min-width:140px}.quick-btn:hover:not(:disabled){background:#e9ecef;transform:translateY(-3px);box-shadow:0 6px 15px #0000001a}.quick-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.auto-save-btn{display:flex;align-items:center;justify-content:center;gap:8px}.action-buttons{display:flex;gap:20px;padding-top:25px;border-top:1px solid #e1e5e9}.btn{flex:1;padding:18px 28px;border:none;border-radius:14px;font-size:17px;font-weight:600;cursor:pointer;transition:all 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#00000026;text-align:center;max-width:480px;width:100%}.app-logo{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:20px}.logo-icon{font-size:2.5rem}.app-logo h1{color:#333;font-size:2.2rem;font-weight:700}.login-subtitle{color:#666;margin-bottom:40px;font-size:1.2rem}.login-form{display:flex;flex-direction:column;gap:24px}.form-group{margin-bottom:0;width:100%}.form-group label{margin-top:10px}.form-group:last-of-type{margin-bottom:8px}.form-input{width:100%;padding:18px;border:2px solid #e1e5e9;border-radius:14px;font-size:17px;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fff;color:#333}.form-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 4px #667eea26}.login-btn{width:100%;padding:18px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:14px;font-size:17px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);margin-top:16px}.login-btn:hover{transform:translateY(-3px);box-shadow:0 10px 20px #667eea4d}.login-btn:active{transform:scale(.98)}.demo-credentials{margin-top:30px;padding:15px;background:#f8f9fa;border-radius:10px;border:1px solid #e1e5e9}.demo-credentials p{font-size:.9rem;color:#666;margin:0}.main-app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#fff;border-bottom:1px solid #e1e5e9;padding:20px 40px;position:sticky;top:0;z-index:100;box-shadow:0 3px 10px #00000014}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;width:100%}.header-left{display:flex;align-items:center;gap:20px}.menu-btn{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;padding:10px;border-radius:10px;transition:background-color .3s}.menu-btn:hover{background:#f5f5f5}.app-header h1{color:#333;font-size:1.6rem;font-weight:700}.logout-btn{padding:12px 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5px 15px #667eea4d}.nav-item:active{transform:scale(.98)}.nav-icon{font-size:1.4rem}.badge{background:linear-gradient(135deg,#dc3545,#c82333);color:#fff;border-radius:12px;padding:5px 12px;font-size:.85rem;font-weight:600;margin-left:auto;box-shadow:0 2px 5px #dc35454d}.content-area{flex:1;padding:40px;background:#f8f9fa;min-height:calc(100vh - 80px);overflow-y:auto}.view-container{max-width:900px;margin:0 auto;width:100%}.view-header{margin-bottom:35px}.view-header h2{color:#333;font-size:2.2rem;font-weight:700;margin-bottom:10px}.view-subtitle{color:#666;font-size:1.1rem}.email-list{display:flex;flex-direction:column;gap:15px}.email-item{background:#fff;padding:25px;border-radius:18px;border:1px solid #e1e5e9;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 3px 10px #0000000d;position:relative;overflow:hidden}.email-item:after{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);opacity:0;transition:opacity .3s ease}.email-item:hover:after{opacity:1}.email-item:hover{box-shadow:0 8px 25px #0000001f;transform:translateY(-3px);border-color:#667eea}.email-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px;gap:20px}.email-to{font-weight:600;color:#333;font-size:1.1rem;word-break:break-all}.email-time{font-size:.9rem;color:#666;white-space:nowrap;flex-shrink:0}.email-subject{font-weight:600;color:#333;margin-bottom:10px;font-size:1.2rem}.email-preview{font-size:1rem;color:#666;line-height:1.6}.email-item.draft-item{border-left:5px solid #ffc107;background:#fffbf0;position:relative}.email-item.draft-item:hover{background:#fff8e1}.draft-info{margin-top:10px;color:#666;font-size:.9rem}.delete-draft-btn{background:none;border:none;color:#dc3545;cursor:pointer;padding:8px 12px;border-radius:8px;font-size:1rem;transition:all .2s}.delete-draft-btn:hover{background-color:#dc35451a;transform:scale(1.1)}.edit-btn{margin-top:15px;padding:10px 20px;background:#667eea;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:500;font-size:.95rem;transition:all .3s}.edit-btn:hover{background:#5a6fd8;transform:translateY(-2px);box-shadow:0 5px 15px #667eea4d}.empty-state{text-align:center;padding:80px 40px;color:#666;background:#fff;border-radius:20px;border:2px dashed #e1e5e9;margin-top:20px}.empty-icon{font-size:4rem;margin-bottom:25px;display:block;opacity:.7}.empty-state h3{margin-bottom:15px;color:#333;font-size:1.5rem}.empty-state p{font-size:1.1rem;opacity:.8;max-width:400px;margin:0 auto;line-height:1.6}@media(max-width:1024px){.header-content,.main-content{max-width:95%}.content-area{padding:30px}.email-item{padding:20px}}@media(max-width:768px){.login-screen{padding:20px}.login-container{padding:40px 30px;max-width:90%}.app-header{padding:15px 20px}.header-content{max-width:100%;padding:0 10px}.menu-btn{display:block}.sidebar{position:fixed;top:0;left:-300px;width:300px;height:100vh;z-index:1000;transition:left .3s cubic-bezier(.4,0,.2,1);padding-top:80px;box-shadow:0 0 20px #00000026}.sidebar-open{left:0}.main-content{max-width:100%}.content-area{padding:25px 20px;width:100%}.view-header h2{font-size:1.8rem}.view-subtitle{font-size:1rem}.email-header{flex-direction:column;align-items:flex-start;gap:5px}.email-time{font-size:.8rem;color:#999}.empty-state{padding:50px 20px}.empty-icon{font-size:3rem}.toast-container{bottom:20px;right:20px;left:20px}.toast{width:100%;text-align:center}}@media(max-width:480px){.login-container{padding:30px 25px}.app-logo 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h1{color:#e1e5e9}.menu-btn:hover{background:#404040}.sidebar{background:#2d2d2d;border-color:#404040}.nav-item:hover{background:#404040;color:#e1e5e9}.content-area{background:#1a1a1a}.email-item{background:#2d2d2d;border-color:#404040}.email-to,.email-subject{color:#e1e5e9}.email-time,.email-preview{color:#a0aec0}.email-item.draft-item{background:#3d2d1a;border-left-color:#ffc107}.email-item.draft-item:hover{background:#4a381f}.draft-info{color:#a0aec0}.empty-state{background:#2d2d2d;border-color:#404040;color:#a0aec0}.empty-state h3{color:#e1e5e9}.loading-overlay{background:#000000e6}.loading-text{color:#e1e5e9}.toast{background:#2d2d2d;color:#e1e5e9}.toast-container.success .toast{background:#1a3a1a;color:#4caf50}.toast-container.error .toast{background:#3a1a1a;color:#ff6b6b}}