.app-container{display:flex;min-height:100vh}.sidebar{width:250px;background-color:#f8f9fa;padding:1rem;transition:width .3s ease}.sidebar.closed{width:60px}.main-content{flex:1;display:flex;flex-direction:column}.header{display:flex;align-items:center;padding:1rem;background-color:#fff;border-bottom:1px solid #e9ecef}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%;margin-left:1rem}.nav-link{display:flex;align-items:center;padding:.75rem 1rem;text-decoration:none;color:#333;margin-bottom:.5rem;border-radius:4px}.nav-link:hover{background-color:#e9ecef}.nav-link.active{background-color:#007bff;color:#fff}.icon{margin-right:.75rem}main{padding:2rem;background-color:#f8f9fa;flex:1}.search-bar input{padding:.5rem;border:1px solid #dee2e6;border-radius:4px;width:300px}.user-menu{display:flex;align-items:center;gap:1rem}.menu-button{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:.5rem}.profile-button{background:none;border:none;cursor:pointer;font-size:1.25rem}.dashboard{padding:20px}.dashboard h1{margin-bottom:30px;color:#333}.stats-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.stat-card h3{margin:0;color:#666;font-size:14px}.stat-value{margin:10px 0 0;font-size:24px;font-weight:700;color:#333}.stat-value.error{color:#dc3545}.recent-emails{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.recent-emails h2{margin:0 0 20px;color:#333;font-size:18px}table{width:100%;border-collapse:collapse}th,td{padding:12px;text-align:left;border-bottom:1px solid #eee}th{font-weight:600;color:#666}.status{padding:4px 8px;border-radius:4px;font-size:12px;text-transform:capitalize}.status.scheduled{background:#e3f2fd;color:#1976d2}.status.sent{background:#e8f5e9;color:#2e7d32}.status.failed{background:#ffebee;color:#c62828}.schedule-page{padding:20px;max-width:800px;margin:0 auto}.schedule-page h1{margin-bottom:30px;color:#333}.schedule-form{background:#fff;padding:30px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:block;margin-bottom:8px;color:#555;font-weight:500}input[type=text],input[type=email],input[type=date],input[type=time],select,textarea{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}textarea{resize:vertical;min-height:120px}.file-input{border:1px dashed #ddd;padding:20px;text-align:center;cursor:pointer}.attachments-list{margin-top:10px}.attachment-item{display:flex;justify-content:space-between;align-items:center;padding:8px;background:#f8f9fa;border-radius:4px;margin-bottom:5px}.remove-attachment{background:none;border:none;color:#dc3545;cursor:pointer;font-size:18px;padding:0 5px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:30px}.button{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-weight:500}.button.primary:hover{background:#0056b3}.button.secondary:hover{background:#5a6268}input:focus,select:focus,textarea:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px #007bff40}@media (max-width: 600px){.form-row{grid-template-columns:1fr;gap:10px}.form-actions{flex-direction:column}.button{width:100%}}.templates-page{padding:20px}.templates-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.templates-container{display:grid;grid-template-columns:1fr;gap:20px}.templates-list{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.search-box{margin-bottom:20px}.search-box input{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:14px}.templates-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}.template-card{background:#f8f9fa;padding:20px;border-radius:8px;border:1px solid #eee}.template-card h3{margin:0 0 10px;color:#333}.template-card p{margin:0 0 15px;color:#666}.template-meta{display:flex;justify-content:space-between;margin-bottom:15px;font-size:12px}.category{background:#e9ecef;padding:2px 8px;border-radius:12px;color:#495057}.date{color:#6c757d}.template-actions{display:flex;gap:10px}.template-editor{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.template-editor h2{margin-bottom:20px;color:#333}.form-group input,.form-group textarea{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.form-group textarea{resize:vertical;min-height:200px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.button{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-weight:500}.button.primary{background:#007bff;color:#fff}.button.secondary{background:#6c757d;color:#fff}.button.danger{background:#dc3545;color:#fff}.button:hover{opacity:.9}@media (min-width: 1024px){.templates-container{grid-template-columns:1fr 1fr}}@media (max-width: 768px){.templates-header{flex-direction:column;gap:15px}.templates-grid{grid-template-columns:1fr}}.analytics-page{padding:20px}.analytics-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.time-range-select{padding:8px 16px;border:1px solid #ddd;border-radius:4px;font-size:14px;background-color:#fff}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:30px}.metric-card{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a;text-align:center}.metric-card h3{margin:0;color:#666;font-size:14px;font-weight:500}.metric-value{margin:10px 0 0;font-size:24px;font-weight:700;color:#333}.chart-container{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a;margin-bottom:30px}.chart-container h2{margin:0 0 20px;color:#333;font-size:18px}.charts-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:20px;margin-bottom:30px}@media (max-width: 768px){.analytics-header{flex-direction:column;gap:15px}.charts-row{grid-template-columns:1fr}.time-range-select{width:100%}}.settings-page{padding:20px}.settings-page h1{margin-bottom:30px;color:#333}.settings-container{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;overflow:hidden}.settings-tabs{display:flex;border-bottom:1px solid #eee;background:#f8f9fa}.tab-button{padding:15px 25px;border:none;background:none;cursor:pointer;font-size:14px;color:#666;border-bottom:2px solid transparent}.tab-button:hover{background:#f1f3f5}.tab-button.active{color:#007bff;border-bottom-color:#007bff;background:#fff}.settings-content{padding:30px}.settings-form{max-width:600px}.settings-form h2{margin-bottom:25px;color:#333;font-size:20px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#555;font-weight:500}.form-group input[type=text],.form-group input[type=email],.form-group input[type=number],.form-group select,.form-group textarea{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.form-group textarea{resize:vertical;min-height:100px}.form-group.checkbox{display:flex;align-items:center;gap:10px}.form-group.checkbox label{margin:0;display:flex;align-items:center;gap:8px;cursor:pointer}.form-group.checkbox input[type=checkbox]{width:16px;height:16px}.save-button{background:#007bff;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;font-weight:500}.save-button:hover{background:#0056b3}.notification-settings{display:flex;flex-direction:column;gap:15px}@media (max-width: 768px){.settings-tabs{flex-direction:column}.tab-button{width:100%;text-align:left;border-left:2px solid transparent;border-bottom:none}.tab-button.active{border-left-color:#007bff;border-bottom:none}.settings-content{padding:20px}}