:root{--primary-color: #3498db;--secondary-color: #2c3e50;--background-color: #ecf0f1;--sidebar-bg: #34495e;--text-light: #ffffff;--text-dark: #2c3e50;--border-color: #bdc3c7;--hover-color: #2980b9;--card-bg: #ffffff;--shadow: 0 2px 8px rgba(0,0,0,.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-color)}.header{background:var(--secondary-color);color:var(--text-light);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}.header-left{display:flex;align-items:center;gap:1rem}.menu-toggle{display:none;background:none;border:none;color:var(--text-light);font-size:1.5rem;cursor:pointer;padding:.25rem}.header h1{margin:0;font-size:1.5rem}.header-right{display:flex;align-items:center;gap:1rem}.user-info{font-size:.9rem}.logout-btn{background:#e74c3c;color:var(--text-light);padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:.9rem}.logout-btn:hover{background:#c0392b}@media(max-width:768px){.header{padding:1rem}.menu-toggle{display:block}.header h1{font-size:1.25rem}.user-info{display:none}.logout-btn{padding:.5rem .75rem;font-size:.8rem}}@media(max-width:480px){.header{padding:.75rem}.header h1{font-size:1rem}.logout-btn{padding:.4rem .6rem;font-size:.75rem}}.sidebar{width:250px;background:var(--sidebar-bg);min-height:calc(100vh - 60px);padding:1rem 0;transition:transform .3s}.sidebar nav{display:flex;flex-direction:column}.sidebar a{color:var(--text-light);text-decoration:none;padding:1rem 2rem;transition:background .3s;display:flex;align-items:center;gap:.75rem}.sidebar a:hover{background:var(--secondary-color)}.sidebar a.active{background:var(--secondary-color);border-left:4px solid var(--primary-color)}.sidebar-overlay{display:none}@media(max-width:768px){.sidebar{position:fixed;left:0;top:60px;width:200px;transform:translate(-100%);z-index:999;box-shadow:2px 0 10px #0000001a}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;inset:60px 0 0;background:#00000080;z-index:998}.sidebar a{padding:.875rem 1.5rem;font-size:.9rem}}@media(max-width:480px){.sidebar{width:180px}.sidebar a{padding:.75rem 1rem;font-size:.85rem}}.dashboard{padding:2rem;max-width:1400px;margin:0 auto}.dashboard-header{margin-bottom:2rem}.dashboard-header h2{margin:0 0 .5rem;color:var(--text-dark);font-size:1.75rem}.dashboard-header p{margin:0;color:#7f8c8d}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.stat-card{background:var(--card-bg);padding:2rem;border-radius:8px;box-shadow:var(--shadow);display:flex;align-items:center;gap:1.5rem;transition:transform .2s,box-shadow .2s}.stat-card:hover{transform:translateY(-4px);box-shadow:0 6px 20px #00000026}.stat-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.75rem}.stat-card.total .stat-icon{background:#e3f2fd;color:#1976d2}.stat-card.success .stat-icon{background:#e8f5e9;color:#388e3c}.stat-card.failed .stat-icon{background:#ffebee;color:#d32f2f}.stat-content{flex:1}.stat-content h3{margin:0 0 .5rem;color:#7f8c8d;font-size:.875rem;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.stat-number{font-size:2.5rem;font-weight:700;margin:0;line-height:1}.stat-card.total .stat-number{color:#1976d2}.stat-card.success .stat-number{color:#388e3c}.stat-card.failed .stat-number{color:#d32f2f}@media(max-width:768px){.dashboard{padding:1rem}.dashboard-header h2{font-size:1.5rem}.stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.stat-card{padding:1.5rem}.stat-icon{width:50px;height:50px;font-size:1.5rem}.stat-number{font-size:2rem}}@media(max-width:480px){.dashboard{padding:.5rem}.dashboard-header h2{font-size:1.25rem}.dashboard-header p{font-size:.8rem}.stats{grid-template-columns:1fr;gap:.75rem}.stat-card{padding:1rem;gap:1rem}.stat-icon{width:45px;height:45px;font-size:1.25rem}.stat-content h3{font-size:.75rem}.stat-number{font-size:1.75rem}}.customers{padding:2rem;max-width:1400px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;gap:2rem}.search-box{position:relative;flex:0 0 400px}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#7f8c8d;font-size:1.125rem}.search-input{width:100%;padding:.75rem 1rem .75rem 2.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:.875rem;transition:border-color .2s}.search-input:focus{outline:none;border-color:var(--primary-color)}.table-container{background:var(--card-bg);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:1.5rem}table{width:100%;border-collapse:collapse}thead{background:var(--primary-color);color:var(--text-light)}th{padding:1rem;text-align:left;font-weight:600;font-size:.875rem;text-transform:uppercase;letter-spacing:.5px}@media(max-width:480px){.customers{padding:.5rem}.page-header{margin-bottom:1rem}.page-header h2{font-size:1.25rem}.page-header p{font-size:.8rem}.search-input{font-size:.8rem;padding:.6rem 1rem .6rem 2.5rem}.table-container{border-radius:4px}th,td{padding:.5rem .25rem;font-size:.75rem}.campaign-badge,.status-badge{font-size:.7rem;padding:.2rem .5rem}.pagination{padding:.75rem}.pagination-info{font-size:.75rem}letter-spacing: .5px}td{padding:1rem;font-size:.875rem;color:var(--text-dark)}tbody tr{border-bottom:1px solid var(--border-color);transition:background .2s}tbody tr:last-child{border-bottom:none}tbody tr:hover{background:#f8f9fa}.campaign-badge{display:inline-block;padding:.25rem .75rem;background:#e3f2fd;color:#1976d2;border-radius:12px;font-size:.75rem;font-weight:600}.status-badge{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:capitalize}.status-badge.sent,.status-badge.delivered{background:#d4edda;color:#155724}.status-badge.failed{background:#f8d7da;color:#721c24}.no-data{text-align:center;color:#7f8c8d;padding:3rem!important;font-style:italic}.pagination{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:var(--card-bg);border-radius:8px;box-shadow:var(--shadow)}.pagination-info{color:var(--text-dark);font-size:.875rem;font-weight:500}.pagination-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:none;border-radius:4px;background:var(--primary-color);color:var(--text-light);cursor:pointer;font-size:.875rem;transition:background .2s;width:auto}.pagination-btn:hover:not(:disabled){background:var(--hover-color)}.pagination-btn:disabled{background:#ccc;cursor:not-allowed}@media(max-width:1024px){.page-header{flex-direction:column;align-items:flex-start}.search-box{flex:1;width:100%}.table-container{overflow-x:auto}table{min-width:800px}}@media(max-width:768px){.customers{padding:1rem}.page-header h2{font-size:1.5rem}.search-box{flex:1 1 100%}.pagination{flex-direction:column;gap:1rem}.pagination-btn{width:100%;justify-content:center}th,td{padding:.75rem .5rem;font-size:.8rem}}@media(max-width:480px){.customers{padding:.5rem}.page-header{margin-bottom:1rem}.page-header h2{font-size:1.25rem}.page-header p{font-size:.8rem}.search-input{font-size:.8rem;padding:.6rem 1rem .6rem 2.5rem}.table-container{border-radius:4px}th,td{padding:.5rem .25rem;font-size:.75rem}.campaign-badge,.status-badge{font-size:.7rem;padding:.2rem .5rem}.pagination{padding:.75rem}.pagination-info{font-size:.75rem}.pagination-btn{font-size:.75rem;padding:.5rem .75rem}}.filters-container{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.send-template{padding:2rem;max-width:1200px;margin:0 auto}.page-header{margin-bottom:2rem}.template-form{background:var(--card-bg);padding:2rem;border-radius:8px;box-shadow:var(--shadow)}.form-section{margin-bottom:1.5rem}.form-section label{display:flex;align-items:center;gap:.5rem;font-weight:600;margin-bottom:.5rem;color:var(--text-dark)}.form-section input,.form-section select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:.875rem}.upload-area{display:flex;flex-direction:column;gap:.5rem}.upload-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:#f8f9fa;border:2px dashed var(--border-color);border-radius:4px;cursor:pointer;transition:all .2s;width:fit-content}.upload-hint{font-size:.75rem;color:#7f8c8d}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.add-customer-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--primary-color);color:var(--text-light);border:none;border-radius:4px;cursor:pointer;font-size:.875rem}.add-customer-btn:hover{background:var(--hover-color)}.customers-list{display:flex;flex-direction:column;gap:1rem}.customer-item{display:flex;gap:.5rem;align-items:center}.customer-inputs{display:flex;gap:.5rem;flex:1}.customer-inputs input{flex:1}.remove-btn{padding:.75rem;background:#e74c3c;color:#fff;border:none;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center}.remove-btn:hover{background:#c0392b}.submit-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:1rem;background:var(--primary-color);color:var(--text-light);border:none;border-radius:4px;cursor:pointer;font-size:1rem;font-weight:600;margin-top:1rem}.submit-btn:hover{background:var(--hover-color)}.submit-btn:disabled{background:#ccc;cursor:not-allowed}@media(max-width:768px){.send-template{padding:1rem}.page-header h2{font-size:1.5rem}.page-header p{font-size:.875rem}.template-form{padding:1.5rem}.form-section{margin-bottom:1.25rem}.customer-item{flex-direction:column}.customer-inputs{flex-direction:column;width:100%}.remove-btn{width:100%}.modal{width:95%;padding:1.5rem}}@media(max-width:480px){.send-template{padding:.5rem}.page-header{margin-bottom:1rem}.page-header h2{font-size:1.25rem}.page-header p{font-size:.8rem}.template-form{padding:1rem}.form-section label{font-size:.8rem}.form-section input,.form-section select{padding:.6rem;font-size:.8rem}.upload-btn{padding:.6rem 1rem;font-size:.8rem}.upload-hint{font-size:.7rem}.section-header{flex-direction:column;align-items:flex-start;gap:.75rem}.add-customer-btn{width:100%;justify-content:center}.customer-item{gap:.75rem}.submit-btn{padding:.75rem;font-size:.875rem}.modal{width:95%;padding:1rem;max-height:90vh}.modal-header h3{font-size:1rem}.results{gap:.5rem}.result-item{padding:.75rem;gap:.75rem}.result-icon{font-size:1.25rem}.result-info strong{font-size:.875rem}.result-info span{font-size:.75rem}.modal-close-btn{padding:.6rem;font-size:.8rem}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--card-bg);border-radius:8px;padding:2rem;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 4px 20px #00000026}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.modal-header h3{margin:0;color:var(--text-dark)}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#7f8c8d;padding:0;display:flex;align-items:center}.close-btn:hover{color:var(--text-dark)}.results{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}.result-item{display:flex;gap:1rem;padding:1rem;border-radius:4px;background:#f8f9fa}.result-item.success{background:#d4edda}.result-item.failed,.result-item.error{background:#f8d7da}.result-icon{font-size:1.5rem;display:flex;align-items:center}.result-item.success .result-icon{color:#28a745}.result-item.failed .result-icon,.result-item.error .result-icon{color:#dc3545}.result-info{display:flex;flex-direction:column;gap:.25rem;flex:1}.result-info strong{color:var(--text-dark)}.result-info span{color:#7f8c8d;font-size:.875rem}.error-msg{color:#dc3545;font-size:.75rem;margin-top:.25rem}.modal-close-btn{width:100%;padding:.75rem;background:var(--primary-color);color:var(--text-light);border:none;border-radius:4px;cursor:pointer;font-size:.875rem}.modal-close-btn:hover{background:var(--hover-color)}.template-config{padding:2rem;max-width:1400px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-header h2{display:flex;align-items:center;gap:.5rem;margin:0 0 .5rem;color:var(--text-dark);font-size:1.75rem}.page-header p{color:#7f8c8d;margin:0}.btn-primary{display:flex;align-items:center;gap:.5rem;background:var(--primary-color);color:var(--text-light);padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:.875rem;white-space:nowrap;width:fit-content;transition:background .2s}.btn-primary:hover{background:var(--hover-color)}.config-form{background:var(--card-bg);padding:2rem;border-radius:8px;box-shadow:var(--shadow);margin-bottom:2rem}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group.full-width{grid-column:1 / -1}.form-group label{display:flex;align-items:center;gap:.5rem;font-weight:600;color:var(--text-dark);font-size:.875rem}.form-group input,.form-group select{padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-size:.875rem}.upload-area{display:flex;gap:.5rem}.upload-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:#f8f9fa;border:2px dashed var(--border-color);border-radius:4px;cursor:pointer;transition:all .2s;font-size:.875rem}.upload-btn:hover{background:#e9ecef;border-color:var(--primary-color)}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:400!important}.checkbox-label input[type=checkbox]{width:auto;cursor:pointer}.btn-submit{display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:1rem;background:var(--primary-color);color:var(--text-light);border:none;border-radius:4px;cursor:pointer;font-size:1rem;font-weight:600;transition:background .2s}.btn-submit:hover{background:var(--hover-color)}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.configs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem}.config-card{background:var(--card-bg);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;transition:transform .2s,box-shadow .2s}.config-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.card-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-color)}.card-header h3{margin:0;color:var(--text-dark);font-size:1.125rem}.badge{display:flex;align-items:center;gap:.25rem;background:var(--primary-color);color:var(--text-light);padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600}.card-body{padding:1.5rem;display:flex;flex-direction:column;gap:.75rem}.info-row{display:flex;justify-content:space-between;align-items:center}.info-row .label{color:#7f8c8d;font-size:.875rem;font-weight:500}.info-row .value{color:var(--text-dark);font-size:.875rem;font-weight:600}.media-type{display:flex;align-items:center;gap:.25rem}.card-actions{display:flex;gap:.5rem;padding:1rem 1.5rem;background:#f8f9fa;border-top:1px solid var(--border-color)}.btn-edit,.btn-delete{display:flex;align-items:center;gap:.5rem;flex:1;padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:.875rem;transition:all .2s}.btn-edit{background:var(--primary-color);color:var(--text-light)}.btn-edit:hover{background:var(--hover-color)}.btn-delete{background:#e74c3c;color:var(--text-light)}.btn-delete:hover{background:#c0392b}@media(max-width:768px){.form-grid,.configs-grid{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:flex-start;gap:1rem}.btn-primary{width:100%;justify-content:center}}@media(max-width:480px){.template-config{padding:1rem}.page-header h2{font-size:1.25rem}.page-header p{font-size:.8rem}.config-form{padding:1rem}.form-grid{gap:1rem}.form-group label{font-size:.8rem}.form-group input,.form-group select{padding:.6rem;font-size:.8rem}.upload-btn{padding:.6rem 1rem;font-size:.8rem}.btn-submit{padding:.75rem;font-size:.875rem}.configs-grid{gap:1rem}.card-header{padding:1rem}.card-header h3{font-size:1rem}.badge{font-size:.7rem;padding:.2rem .5rem}.card-body{padding:1rem;gap:.5rem}.info-row .label,.info-row .value{font-size:.8rem}.card-actions{padding:.75rem 1rem;flex-direction:column}.btn-edit,.btn-delete{width:100%;justify-content:center}}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--background-color);padding:1rem}.login-box{background:var(--card-bg);padding:3rem;border-radius:8px;box-shadow:var(--shadow);width:100%;max-width:400px}.login-box h2{margin:0 0 2rem;color:var(--text-dark);text-align:center}.login-box form{display:flex;flex-direction:column;padding:0;box-shadow:none;background:transparent}.login-box input{padding:.75rem;margin-bottom:1rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem}.login-box button{background:var(--primary-color);color:var(--text-light);padding:.75rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem}.login-box button:hover{background:var(--hover-color)}.error{color:#e74c3c;margin-top:1rem;text-align:center}@media(max-width:768px){.login-box{padding:2rem}.login-box h2{font-size:1.5rem}}@media(max-width:480px){.login-container{padding:.5rem}.login-box{padding:1.5rem}.login-box h2{font-size:1.25rem;margin-bottom:1.5rem}.login-box input,.login-box button{padding:.6rem;font-size:.9rem}}.app{min-height:100vh}.main-container{display:flex}.content{flex:1;min-height:calc(100vh - 60px)}@media(max-width:768px){.main-container{flex-direction:column}.content{width:100%}}