*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--bg-card: #ffffff;--text: #1a1a2e;--text-muted: #6c757d;--primary: #4361ee;--primary-hover: #3a56d4;--success: #2d9f5d;--danger: #dc3545;--warning: #f0ad4e;--border: #dee2e6;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100}.header-brand{display:flex;align-items:baseline;gap:12px}.header-brand h1{font-size:20px;font-weight:700;color:var(--primary)}.header-tagline{font-size:13px;color:var(--text-muted)}.header-nav{display:flex;gap:4px}.header-nav a{padding:8px 16px;text-decoration:none;color:var(--text-muted);border-radius:var(--radius);font-size:14px;font-weight:500;transition:all .15s}.header-nav a:hover{background:var(--bg);color:var(--text)}.header-nav a.active{background:var(--primary);color:#fff}.main{max-width:1100px;margin:0 auto;padding:24px}.page h2{margin-bottom:20px;font-size:24px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-header h2{margin-bottom:0}.page-header-actions{display:flex;gap:8px}.section{margin-top:28px}.section h3{margin-bottom:12px;font-size:18px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s}.btn:hover{background:var(--bg)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:4px 10px;font-size:13px}.btn-warning{color:#856404;border-color:var(--warning);background:#fff3cd}.btn-warning:hover{background:var(--warning);color:#fff}.btn-lg{padding:12px 24px;font-size:16px}.btn-link{background:none;border:none;color:var(--primary);text-decoration:underline;cursor:pointer;padding:4px}.form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-size:14px;font-weight:600}.form-hint{font-size:12px;color:var(--text-muted)}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}.input,.select,.textarea{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;transition:border-color .15s}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4361ee1a}.textarea{resize:vertical}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}.stats-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stats-card-title{font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.stats-card-value{font-size:32px;font-weight:700;margin:4px 0}.stats-card-subtitle{font-size:12px;color:var(--text-muted)}.sending-status{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;display:flex;align-items:center;gap:20px;margin-bottom:20px;box-shadow:var(--shadow)}.sending-status-indicator{display:flex;align-items:center;gap:8px;font-weight:600}.sending-status-info{display:flex;gap:16px;font-size:13px;color:var(--text-muted);flex:1}.sending-status-actions{display:flex;gap:8px}.dot{width:10px;height:10px;border-radius:50%;display:inline-block}.dot.green{background:var(--success)}.dot.red{background:var(--danger)}.profiles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.profile-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.profile-card.inactive{opacity:.6}.profile-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.profile-card-header h3{font-size:16px}.profile-card-body{font-size:14px;margin-bottom:16px}.profile-card-body p{margin-bottom:4px}.profile-card-preview{color:var(--text-muted);font-size:13px;margin-top:8px}.profile-card-actions{display:flex;gap:8px}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600}.badge-green{background:#d4edda;color:#155724}.badge-blue{background:#cce5ff;color:#004085}.badge-yellow{background:#fff3cd;color:#856404}.badge-red{background:#f8d7da;color:#721c24}.badge-gray{background:#e9ecef;color:#495057}.table-wrapper{overflow-x:auto}.table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.table th,.table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table th{background:var(--bg);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.3px;color:var(--text-muted)}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#f8f9ff}.filters{display:flex;gap:8px;margin-bottom:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--bg-card);border-radius:var(--radius);padding:24px;width:90%;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 8px 32px #00000026}.modal h3{margin-bottom:12px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.form-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px}@media (max-width: 768px){.form-layout{grid-template-columns:1fr}}.preview h3{margin-bottom:12px}.preview-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.preview-subject{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--border)}.preview-body{white-space:pre-wrap;font-family:inherit;font-size:14px;line-height:1.6}.activity-list{display:flex;flex-direction:column;gap:8px}.activity-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;display:flex;align-items:center;gap:12px;font-size:14px}.activity-subject{flex:1}.activity-date{color:var(--text-muted);font-size:13px}.setting-row{display:flex;justify-content:space-between;align-items:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:14px}.wizard{max-width:600px;margin:60px auto;padding:0 24px}.wizard-header{text-align:center;margin-bottom:32px}.wizard-header h1{font-size:36px;color:var(--primary)}.wizard-header p{color:var(--text-muted)}.wizard-steps{display:flex;justify-content:center;gap:8px;margin-bottom:32px}.wizard-steps span{padding:6px 14px;border-radius:20px;font-size:13px;background:var(--bg);border:1px solid var(--border);color:var(--text-muted)}.wizard-steps span.active{background:var(--primary);color:#fff;border-color:var(--primary)}.wizard-content{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}.wizard-step{text-align:center}.wizard-step h2{margin-bottom:12px}.wizard-step p{margin-bottom:16px;color:var(--text-muted)}.wizard-step ul{text-align:left;margin:16px 0;padding-left:24px}.wizard-step .form{text-align:left}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow)}.auth-brand{font-size:32px;color:var(--primary);text-align:center;margin-bottom:4px}.auth-tagline{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:28px}.auth-card h2{text-align:center;margin-bottom:20px;font-size:20px}.auth-switch{text-align:center;margin-top:20px;font-size:14px;color:var(--text-muted)}.auth-switch a{color:var(--primary);text-decoration:none;font-weight:600}.setting-info{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px;font-size:14px}.setting-info ol{padding-left:20px;margin:8px 0}.setting-info li{margin-bottom:4px}.setting-info code{background:#e9ecef;padding:2px 6px;border-radius:4px;font-size:12px;word-break:break-all}.history-list{display:flex;flex-direction:column;gap:8px}.history-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.history-item-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;cursor:pointer;transition:background .1s}.history-item-header:hover{background:#f8f9ff}.history-item-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.history-item-to{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.history-item-date{font-size:13px;color:var(--text-muted);min-width:80px;text-align:right}.history-item-expand{font-size:11px;color:var(--text-muted)}.history-item-detail{border-top:1px solid var(--border);padding:16px;background:var(--bg)}.history-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;font-size:14px;margin-bottom:16px}.history-email-preview{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px}.history-email-subject{padding-bottom:8px;margin-bottom:8px;border-bottom:1px solid var(--border);font-size:14px}.history-email-body{white-space:pre-wrap;font-size:13px;line-height:1.6;color:var(--text)}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px;padding:12px 0}.pagination-info{font-size:14px;color:var(--text-muted)}.text-muted{color:var(--text-muted);font-size:13px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh}.tier-badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.tier-badge-free{background:#e9ecef;color:#495057}.tier-badge-pro{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.upgrade-prompt{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#f5f3ff,#ede9fe);border:1px solid #c4b5fd;border-radius:var(--radius);padding:16px;font-size:14px}.upgrade-prompt-icon{font-size:24px;color:#7c3aed}.upgrade-prompt p{margin-top:4px;color:var(--text-muted);font-size:13px}.ai-score{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:700;min-width:32px;text-align:center}.ai-score-high{background:#d4edda;color:#155724}.ai-score-mid{background:#fff3cd;color:#856404}.ai-score-low{background:#f8d7da;color:#721c24}.ai-badge{display:inline-block;padding:1px 6px;border-radius:8px;font-size:10px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;letter-spacing:.3px}.btn-ai{background:#f5f3ff;color:#7c3aed;border-color:#c4b5fd}.btn-ai:disabled{opacity:.5}.btn-ai-active:hover:not(:disabled){background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent}