@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary: #0B3D61;--primary-light: #0E4D7A;--primary-dark: #082D48;--secondary: #1A73E8;--secondary-light: #4A90E2;--accent: #E8F0FE;--accent-hover: #D2E3FC;--bg-main: #F5F7FA;--bg-card: #FFFFFF;--bg-sidebar: #0B3D61;--bg-sidebar-hover: #0E4D7A;--bg-sidebar-active: #1A73E8;--bg-input: #FFFFFF;--bg-table-header: #F0F4F8;--bg-table-hover: #F8FAFC;--bg-code: #F1F5F9;--text-primary: #1E293B;--text-secondary: #64748B;--text-muted: #94A3B8;--text-sidebar: #CBD5E1;--text-sidebar-active: #FFFFFF;--text-white: #FFFFFF;--border: #E2E8F0;--border-focus: #1A73E8;--success: #16A34A;--success-bg: #F0FDF4;--warning: #F59E0B;--warning-bg: #FFFBEB;--error: #DC2626;--error-bg: #FEF2F2;--info: #1A73E8;--info-bg: #EFF6FF;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--radius: 8px;--radius-sm: 6px;--radius-lg: 12px;--transition: all .2s ease;--transition-slow: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-main);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;margin-left:260px;display:flex;flex-direction:column}.page-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:20px 32px;display:flex;align-items:center;justify-content:space-between}.page-header h1{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.page-header p{color:var(--text-secondary);font-size:.875rem;margin-top:2px}.page-content{padding:24px 32px;flex:1}.sidebar{width:260px;background:var(--bg-sidebar);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100;transition:var(--transition-slow)}.sidebar-header{padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo{display:flex;align-items:center;gap:12px}.sidebar-logo-icon{width:36px;height:36px;background:var(--secondary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#fff}.sidebar-logo h2{color:var(--text-white);font-size:1.1rem;font-weight:600}.sidebar-logo span{color:var(--text-sidebar);font-size:.75rem}.sidebar-nav{padding:16px 12px;flex:1}.sidebar-section{margin-bottom:24px}.sidebar-section-title{color:var(--text-sidebar);font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;padding:0 12px;margin-bottom:8px}.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-sidebar);text-decoration:none;font-size:.875rem;font-weight:400;transition:var(--transition);cursor:pointer}.sidebar-link:hover{background:var(--bg-sidebar-hover);color:var(--text-white)}.sidebar-link.active{background:var(--bg-sidebar-active);color:var(--text-white);font-weight:500}.sidebar-link svg{width:20px;height:20px;flex-shrink:0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition)}.card:hover{box-shadow:var(--shadow)}.card-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h3{font-size:1rem;font-weight:600}.card-body{padding:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--secondary);border-radius:var(--radius-lg) var(--radius-lg) 0 0}.stat-card.success:before{background:var(--success)}.stat-card.warning:before{background:var(--warning)}.stat-card.error:before{background:var(--error)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.stat-card-icon{width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;background:var(--accent);color:var(--secondary)}.stat-card.success .stat-card-icon{background:var(--success-bg);color:var(--success)}.stat-card.warning .stat-card-icon{background:var(--warning-bg);color:var(--warning)}.stat-card.error .stat-card-icon{background:var(--error-bg);color:var(--error)}.stat-card-label{font-size:.8rem;color:var(--text-secondary);font-weight:500}.stat-card-value{font-size:1.75rem;font-weight:700;color:var(--text-primary);line-height:1.2}.stat-card-sub{font-size:.75rem;color:var(--text-muted);margin-top:4px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.8rem;font-weight:500;color:var(--text-primary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;font-size:.875rem;font-family:Inter,sans-serif;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);transition:var(--transition);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #1a73e826}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{min-height:120px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-hint{font-size:.75rem;color:var(--text-muted);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.875rem;font-weight:500;font-family:Inter,sans-serif;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--secondary);color:#fff}.btn-primary:hover:not(:disabled){background:#1557b0;box-shadow:var(--shadow)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-outline:hover:not(:disabled){background:var(--bg-main);border-color:var(--text-muted)}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-lg{padding:12px 24px;font-size:1rem}.btn-icon{padding:8px;border-radius:var(--radius-sm)}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:.875rem}.data-table th{background:var(--bg-table-header);padding:12px 16px;text-align:left;font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:2px solid var(--border);white-space:nowrap}.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-primary)}.data-table tr:hover td{background:var(--bg-table-hover)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;font-size:.7rem;font-weight:600;border-radius:20px;text-transform:uppercase;letter-spacing:.3px}.badge-sent{background:var(--info-bg);color:var(--info)}.badge-delivered{background:var(--success-bg);color:var(--success)}.badge-opened{background:#f0fdf4;color:#14b8a6}.badge-bounced{background:var(--error-bg);color:var(--error)}.badge-complained{background:var(--warning-bg);color:var(--warning)}.badge-failed{background:var(--error-bg);color:var(--error)}.badge-queued{background:#f5f3ff;color:#7c3aed}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:14px 20px;min-width:320px;max-width:420px;display:flex;align-items:flex-start;gap:12px;animation:slideIn .3s ease}.toast.success{border-left:4px solid var(--success)}.toast.error{border-left:4px solid var(--error)}.toast.warning{border-left:4px solid var(--warning)}.toast.info{border-left:4px solid var(--info)}.toast-message{flex:1;font-size:.875rem}.toast-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:0;font-size:1.2rem;line-height:1}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:600px;width:90%;max-height:80vh;overflow-y:auto;animation:scaleIn .2s ease}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:1.1rem;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.preview-frame{width:100%;min-height:400px;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--secondary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted);gap:12px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state svg{width:48px;height:48px;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:1rem;color:var(--text-secondary);margin-bottom:6px}.empty-state p{font-size:.875rem}.pagination{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:20px}.pagination button{padding:6px 12px;border:1px solid var(--border);background:var(--bg-card);border-radius:var(--radius-sm);font-size:.8rem;cursor:pointer;transition:var(--transition);font-family:Inter,sans-serif}.pagination button:hover{background:var(--accent)}.pagination button.active{background:var(--secondary);color:#fff;border-color:var(--secondary)}.pagination button:disabled{opacity:.5;cursor:not-allowed}.code-editor{font-family:JetBrains Mono,Fira Code,monospace;font-size:.8rem;background:var(--bg-code);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;min-height:250px;resize:vertical;width:100%;tab-size:2;line-height:1.6;outline:none}.code-editor:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #1a73e826}.file-upload{border:2px dashed var(--border);border-radius:var(--radius);padding:24px;text-align:center;cursor:pointer;transition:var(--transition);position:relative}.file-upload:hover{border-color:var(--secondary);background:var(--accent)}.file-upload input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.file-upload-icon{color:var(--text-muted);margin-bottom:8px}.file-upload-name{font-size:.875rem;color:var(--success);font-weight:500}@media(max-width:768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.stats-grid,.form-row{grid-template-columns:1fr}}.step-indicator{display:flex;align-items:center;justify-content:center;margin-bottom:24px;padding:16px 0}.step-item{display:flex;align-items:center;gap:8px}.step-number{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;background:var(--border);color:var(--text-muted);flex-shrink:0}.step-label{font-size:.85rem;color:var(--text-muted);white-space:nowrap}.step-item.active .step-number{background:var(--secondary);color:#fff}.step-item.active .step-label{color:var(--secondary);font-weight:600}.step-item.done .step-number{background:var(--success);color:#fff}.step-item.done .step-label{color:var(--success)}.step-line{width:40px;height:2px;background:var(--border);margin:0 8px}.step-item.done+.step-item .step-line,.step-item.done .step-line{background:var(--success)}.tab-switcher{display:flex;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.tab-btn{flex:1;padding:10px 16px;border:none;background:#fff;cursor:pointer;font-weight:500;font-size:.9rem;color:var(--text-secondary);transition:all .2s}.tab-btn:not(:last-child){border-right:1px solid var(--border)}.tab-btn.active{background:var(--secondary);color:#fff}.tab-btn:hover:not(.active){background:var(--bg-secondary)}.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--secondary);border-radius:4px;transition:width .3s ease}