*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f5f4f0;--surface: #ffffff;--surface-2: #f0efe9;--border: #e2e0d6;--border-strong: #c8c6bb;--text: #1a1917;--text-muted: #6b6a63;--text-faint: #9b9a93;--accent: #1a56db;--accent-light: #eff3ff;--accent-border: #b4c6fc;--green: #037847;--green-bg: #ecfdf3;--red: #b91c1c;--red-bg: #fef2f2;--amber: #92400e;--amber-bg: #fffbeb;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08), 0 1px 3px rgba(0, 0, 0, .05)}html,body{height:100%;font-family:DM Sans,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}#root{min-height:100vh}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}.app{max-width:1100px;margin:0 auto;padding:2rem 1.5rem 4rem}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:2.5rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:10px}.logo-dot{width:9px;height:9px;border-radius:50%;background:var(--accent)}.logo-text{font-size:13px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.logo-sub{font-size:12px;color:var(--text-muted);margin-left:4px;font-weight:400}.topbar-badge{font-size:11px;font-weight:500;padding:3px 10px;border-radius:20px;background:var(--accent-light);color:var(--accent);border:1px solid var(--accent-border)}.stepper{display:flex;align-items:center;margin-bottom:2.5rem}.step-item{display:flex;align-items:center;gap:8px}.step-num{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;flex-shrink:0;transition:all .2s}.step-num.done{background:var(--accent);color:#fff}.step-num.active{background:var(--accent);color:#fff;box-shadow:0 0 0 4px var(--accent-light)}.step-num.pending{background:var(--surface-2);color:var(--text-faint);border:1px solid var(--border)}.step-label{font-size:12px;font-weight:500;white-space:nowrap}.step-label.active{color:var(--text)}.step-label.pending{color:var(--text-faint)}.step-connector{flex:1;height:1px;background:var(--border);margin:0 12px;min-width:20px;transition:background .2s}.step-connector.done{background:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow)}.card+.card{margin-top:1rem}.card-title{font-size:14px;font-weight:600;margin-bottom:1.25rem;color:var(--text);letter-spacing:-.01em}.card-subtitle{font-size:12px;color:var(--text-muted);margin-top:2px}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.25rem}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}@media (max-width: 700px){.grid-2,.grid-3,.grid-5{grid-template-columns:1fr}}.field{display:flex;flex-direction:column;gap:5px}.field-row{display:flex;flex-direction:column;gap:10px}label.lbl{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}input,select,textarea{width:100%;padding:8px 11px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}textarea{resize:vertical}input::placeholder,textarea::placeholder{color:var(--text-faint)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:13px;font-weight:500;font-family:inherit;transition:all .15s;white-space:nowrap}.btn:hover{background:var(--surface-2);border-color:var(--border-strong)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:#1648c8;border-color:#1648c8}.btn-sm{padding:5px 12px;font-size:12px}.btn-danger{color:var(--red);border-color:#fca5a5}.btn-danger:hover{background:var(--red-bg)}.drop-zone{border:2px dashed var(--border-strong);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;cursor:pointer;background:var(--surface-2);transition:all .15s}.drop-zone:hover,.drop-zone.active{border-color:var(--accent);background:var(--accent-light)}.drop-icon{font-size:32px;margin-bottom:12px}.drop-title{font-size:15px;font-weight:600;margin-bottom:6px}.drop-sub{font-size:12px;color:var(--text-muted)}.provider-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:1rem}.provider-btn{padding:14px;border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--surface-2);cursor:pointer;font-family:inherit;transition:all .15s;text-align:left}.provider-btn:hover{border-color:var(--border-strong)}.provider-btn.active{border-color:var(--accent);background:var(--accent-light)}.provider-btn .pb-icon{font-size:20px;margin-bottom:6px}.provider-btn .pb-name{font-size:13px;font-weight:600;color:var(--text)}.provider-btn .pb-sub{font-size:11px;color:var(--text-muted);margin-top:2px}.provider-btn.active .pb-name{color:var(--accent)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{padding:9px 12px;text-align:left;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border);background:var(--surface-2)}th:first-child{border-radius:8px 0 0}th:last-child{border-radius:0 8px 0 0}td{padding:11px 12px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface-2)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600}.badge-ready{background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border)}.badge-sent{background:var(--green-bg);color:var(--green)}.badge-simulated{background:var(--accent-light);color:var(--accent)}.badge-error{background:var(--red-bg);color:var(--red)}.badge-generating{background:var(--amber-bg);color:var(--amber)}.alert{padding:10px 14px;border-radius:var(--radius);font-size:12px;border:1px solid}.alert-info{background:var(--accent-light);color:var(--accent);border-color:var(--accent-border)}.alert-success{background:var(--green-bg);color:var(--green);border-color:#a7f3d0}.alert-warn{background:var(--amber-bg);color:var(--amber);border-color:#fde68a}.alert-error{background:var(--red-bg);color:var(--red);border-color:#fca5a5}.progress-wrap{height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden;margin:8px 0}.progress-bar{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}.email-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface-2);border-radius:8px;border:1px solid var(--border)}.email-item+.email-item{margin-top:6px}.email-status-dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a088c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1.5rem;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:640px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-md);border:1px solid var(--border)}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:1.5rem 1.5rem 1rem;border-bottom:1px solid var(--border)}.modal-body{padding:1.5rem}.modal-close{background:none;border:none;cursor:pointer;color:var(--text-muted);font-size:20px;line-height:1;padding:2px 4px;border-radius:4px}.modal-close:hover{background:var(--surface-2)}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:1.5rem}.actions-right{display:flex;gap:8px;align-items:center}.email-body-display{font-family:DM Sans,sans-serif;font-size:13px;line-height:1.8;color:var(--text);white-space:pre-wrap;background:var(--surface-2);border-radius:8px;padding:1rem 1.25rem;border:1px solid var(--border)}.email-subject-display{font-weight:600;font-size:13px;padding:10px 14px;background:var(--surface-2);border-radius:8px;border:1px solid var(--border);margin-bottom:1rem}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:1.5rem}.stat-card{background:var(--surface-2);border-radius:var(--radius);padding:1rem;border:1px solid var(--border)}.stat-label{font-size:11px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:24px;font-weight:600;color:var(--text);margin-top:4px;letter-spacing:-.02em}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--accent-border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.divider{height:1px;background:var(--border);margin:1.25rem 0}input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .3s ease forwards}.mono{font-family:JetBrains Mono,monospace}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);padding:1.5rem}.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem 2rem;box-shadow:var(--shadow-md)}.login-header{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:2rem}.login-logo{display:flex;align-items:center;gap:8px}.login-title{font-size:18px;font-weight:600;color:var(--text);margin-top:4px}.login-subtitle{font-size:12px;color:var(--text-muted);text-align:center;margin-top:2px}.nav-tabs{display:flex;gap:8px;margin-bottom:2rem;border-bottom:1px solid var(--border);padding-bottom:2px}.nav-tab{padding:8px 16px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;transition:all .15s}.nav-tab:hover{color:var(--text)}.nav-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.history-row{cursor:pointer;transition:background .15s}.history-row:hover td{background:var(--surface-2)!important}.fup-card{background:var(--surface-2);border-radius:var(--radius);border:1px solid var(--border);padding:1.25rem;margin-top:1rem}.badge-delivered{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.badge-possible-open{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.badge-opened{background:var(--green-bg);color:var(--green);border:1px solid #a7f3d0}.badge-clicked{background:#f5f3ff;color:#6d28d9;border:1px solid #c4b5fd}.badge-replied{background:#fefce8;color:#a16207;border:1px solid #fde047}.badge-bounced{background:var(--red-bg);color:var(--red);border:1px solid #fca5a5}.badge-complained{background:#fef2f2;color:#991b1b;border:1px solid #fca5a5}.badge-unsubscribed{background:#f5f5f5;color:#525252;border:1px solid #d4d4d4}.confidence-bar{display:flex;align-items:center;gap:6px;min-width:80px}.confidence-track{flex:1;height:6px;background:var(--surface-2);border-radius:3px;overflow:hidden;border:1px solid var(--border)}.confidence-fill{height:100%;border-radius:3px;transition:width .4s ease,background .4s ease}.confidence-fill.low{background:linear-gradient(90deg,#ef4444,#f97316)}.confidence-fill.medium{background:linear-gradient(90deg,#f59e0b,#eab308)}.confidence-fill.high{background:linear-gradient(90deg,#22c55e,#16a34a)}.confidence-label{font-size:10px;font-weight:700;min-width:28px;text-align:right;color:var(--text-muted);font-variant-numeric:tabular-nums}.engagement-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin-bottom:1.5rem}.engagement-stat{display:flex;flex-direction:column;align-items:center;padding:12px 8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:transform .15s,box-shadow .15s}.engagement-stat:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.engagement-stat-value{font-size:20px;font-weight:700;color:var(--text);line-height:1.2;font-variant-numeric:tabular-nums}.engagement-stat-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-top:2px}.engagement-stat-value.green{color:var(--green)}.engagement-stat-value.blue{color:#1d4ed8}.engagement-stat-value.amber{color:var(--amber)}.engagement-stat-value.purple{color:#6d28d9}.engagement-stat-value.gold{color:#a16207}.engagement-stat-value.red{color:var(--red)}.timeline{position:relative;padding-left:24px;margin:12px 0}.timeline:before{content:"";position:absolute;left:7px;top:4px;bottom:4px;width:2px;background:var(--border)}.timeline-event{position:relative;padding:6px 0 6px 12px;font-size:11px;line-height:1.5}.timeline-event:before{content:"";position:absolute;left:-19px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--border-strong);border:2px solid var(--surface)}.timeline-event.sent:before{background:#6b7280}.timeline-event.delivered:before{background:#3b82f6}.timeline-event.possible-open:before{background:#f59e0b}.timeline-event.opened:before{background:#22c55e}.timeline-event.clicked:before{background:#8b5cf6}.timeline-event.replied:before{background:#eab308}.timeline-event.bounced:before{background:#ef4444}.timeline-event.complained:before{background:#ef4444}.timeline-event-type{font-weight:600;color:var(--text);margin-right:6px}.timeline-event-source{color:var(--text-faint);font-style:italic}.timeline-event-time{color:var(--text-muted);font-size:10px;display:block;margin-top:1px}.expandable-row{cursor:pointer;transition:background .15s}.expandable-row:hover td{background:var(--surface-2)!important}.expand-detail-row td{padding:0!important;border-top:none!important}.expand-detail-content{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1),padding .35s ease;padding:0 16px}.expand-detail-content.open{max-height:500px;padding:12px 16px 16px}.expand-toggle{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:4px;background:var(--surface-2);border:1px solid var(--border);font-size:10px;cursor:pointer;transition:transform .25s,background .15s;margin-right:6px;flex-shrink:0}.expand-toggle.open{transform:rotate(90deg);background:var(--accent-light);border-color:var(--accent-border)}.action-btn{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;font-size:10px;font-weight:600;border-radius:4px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap}.action-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--border-strong)}.action-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.action-btn.primary:hover{opacity:.9}.action-btn.gold{background:#fefce8;color:#a16207;border-color:#fde047}.action-btn.gold:hover{background:#fef9c3}.metric-inline{display:inline-flex;align-items:center;gap:3px;font-variant-numeric:tabular-nums;font-size:11px;color:var(--text-muted)}.metric-inline .metric-icon{font-size:10px}.metric-inline.green{color:var(--green)}.metric-inline.purple{color:#6d28d9}.metric-inline.gold{color:#a16207}.filters-bar{display:flex;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:var(--surface-2);align-items:center;flex-wrap:wrap}.search-input-wrapper{position:relative;flex:1;min-width:240px}.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:13px;pointer-events:none}.search-input-wrapper input{padding-left:32px;padding-right:32px}.clear-search-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .15s,color .15s}.clear-search-btn:hover{background-color:var(--border);color:var(--text)}.sort-select-wrapper{display:flex;gap:8px;align-items:center}.sort-select-wrapper select{width:auto;min-width:140px}th.sortable{cursor:pointer;-webkit-user-select:none;user-select:none;transition:background-color .15s,color .15s}th.sortable:hover{background-color:var(--surface-2);color:var(--accent)}.sort-icon{display:inline-block;font-family:monospace;font-size:11px;transition:transform .15s}.sort-icon.font-light{font-weight:400}