*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0a0f;--bg-card: #111118;--bg-elevated: #16161f;--bg-hover: #1c1c28;--text: #e8e8ed;--text-muted: #6b6b80;--text-dim: #4a4a5a;--primary: #ff6b2b;--primary-hover: #ff8a50;--primary-glow: rgba(255, 107, 43, .15);--primary-subtle: rgba(255, 107, 43, .08);--success: #22c55e;--success-bg: rgba(34, 197, 94, .1);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .1);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .1);--border: #1e1e2a;--border-light: #2a2a38;--radius: 10px;--shadow: 0 2px 8px rgba(0,0,0,.3);--shadow-lg: 0 8px 32px rgba(0,0,0,.5);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(rgba(255,107,43,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,107,43,.02) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}#root{position:relative;z-index:1}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}::selection{background:#ff6b2b4d;color:#fff}input[type=checkbox]{accent-color:var(--primary)}a{color:var(--primary)}a:hover{color:var(--primary-hover)}strong{color:var(--text);font-weight:600}.text-muted{color:var(--text-dim);font-size:13px}.empty-state{text-align:center;padding:48px 20px;color:var(--text-dim)}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-muted)}.header{background:#0a0a0fd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:52px;position:sticky;top:0;z-index:100}.header-brand{display:flex;align-items:baseline;gap:12px}.header-brand h1{font-size:19px;font-weight:800;color:var(--primary);letter-spacing:-.5px;text-shadow:0 0 20px rgba(255,107,43,.3)}.header-tagline{font-size:13px;color:var(--text-dim)}.header-nav{display:flex;gap:4px;align-items:center}.header-nav a{padding:6px 12px;text-decoration:none;color:var(--text-muted);border-radius:var(--radius);font-size:13px;font-weight:500;transition:all .2s}.header-nav a:hover{background:var(--bg-hover);color:var(--text)}.header-nav a.active{background:var(--primary);color:#fff;box-shadow:0 0 16px #ff6b2b4d}.main{max-width:1440px;margin:0 auto;padding:20px 28px}.page h2{margin-bottom:16px;font-size:22px;font-weight:700;letter-spacing:-.3px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px}.page-header h2{margin-bottom:0}.page-header-actions{display:flex;gap:6px;flex-wrap:wrap}.section{margin-top:20px}.section h3{margin-bottom:10px;font-size:16px;font-weight:600;color:var(--text)}.section h4{margin-bottom:8px;font-size:14px;font-weight:600;color:var(--text)}.form-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 768px){.form-layout{grid-template-columns:1fr}}.hamburger-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:110}.hamburger-icon{display:flex;flex-direction:column;gap:5px;width:24px}.hamburger-icon span{display:block;height:2px;background:var(--text);border-radius:2px;transition:all .3s ease}.hamburger-icon.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-icon.open span:nth-child(2){opacity:0}.hamburger-icon.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width: 860px){.hamburger-btn{display:block}.header-nav{position:fixed;top:52px;right:0;width:220px;height:calc(100vh - 52px);background:var(--bg-card);border-left:1px solid var(--border);flex-direction:column;padding:16px;gap:4px;transform:translate(100%);transition:transform .3s ease;z-index:105;overflow-y:auto}.header-nav.nav-open{transform:translate(0)}.header-nav a{display:block;padding:12px 16px;border-radius:var(--radius);font-size:15px}.header-nav .btn{width:100%;margin-top:8px}.header-tagline{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 14px;border:1px solid var(--border-light);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;font-family:var(--font)}.btn:hover{background:var(--bg-hover);border-color:var(--text-dim)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 0 20px #ff6b2b4d}.btn-danger{color:var(--danger);border-color:#ef44444d}.btn-danger:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-sm{padding:4px 10px;font-size:12px}.btn-warning{color:var(--warning);border-color:#f59e0b4d;background:var(--warning-bg)}.btn-warning:hover{background:var(--warning);color:#000}.btn-lg{padding:12px 28px;font-size:16px}.btn-link{background:none;border:none;color:var(--primary);text-decoration:underline;cursor:pointer;padding:4px;font-family:var(--font)}.form{display:flex;flex-direction:column;gap:14px}.form-group{display:flex;flex-direction:column;gap:4px}.form-group label{font-size:13px;font-weight:600;color:var(--text)}.form-hint{font-size:11px;color:var(--text-dim)}.form-actions{display:flex;gap:6px;justify-content:flex-end;margin-top:6px}.input,.select,.textarea{padding:8px 12px;border:1px solid var(--border-light);border-radius:var(--radius);font-size:13px;font-family:var(--font);background:var(--bg);color:var(--text);transition:all .2s}.input::placeholder,.textarea::placeholder{color:var(--text-dim)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.textarea{resize:vertical}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;cursor:pointer}.filters{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap;align-items:center}.alert{padding:10px 14px;border-radius:var(--radius);margin-bottom:12px;font-size:13px}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(34,197,94,.2)}.alert-error{background:var(--danger-bg);color:#f87171;border:1px solid rgba(239,68,68,.2)}.btn-ai{background:var(--primary-subtle);color:var(--primary);border-color:#ff6b2b33}.btn-ai:disabled{opacity:.4}.btn-ai-active:hover:not(:disabled){background:linear-gradient(135deg,var(--primary) 0%,#ff8a50 100%);color:#fff;border-color:transparent;box-shadow:0 0 16px #ff6b2b4d}.profile-select{padding:4px 6px;font-size:11px;max-width:120px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;transition:border-color .2s}.profile-select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px var(--primary-glow)}.drop-zone{border:2px dashed var(--border-light);border-radius:var(--radius);padding:32px 16px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg)}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background:var(--primary-subtle)}.drop-zone-icon{font-size:32px;margin-bottom:8px}.drop-zone-text{font-size:14px;color:var(--text-muted)}.drop-zone-hint{font-size:12px;color:var(--text-dim);margin-top:4px}.template-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.template-chip{padding:6px 14px;border-radius:20px;font-size:12px;font-weight:500;background:var(--bg-elevated);border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;transition:all .15s}.template-chip:hover{background:var(--primary-subtle);color:var(--primary);border-color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:14px}.stats-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);transition:all .2s}.stats-card:hover{border-color:var(--border-light);box-shadow:0 4px 16px #0000004d}.stats-card-title{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.8px;font-weight:600}.stats-card-value{font-size:28px;font-weight:800;margin:4px 0;color:var(--text);letter-spacing:-1px}.stats-card-subtitle{font-size:11px;color:var(--text-dim)}.sending-status{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;display:flex;align-items:center;gap:16px;margin-bottom:14px;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);box-shadow:0 0 8px #22c55e66}.dot.red{background:var(--danger);box-shadow:0 0 8px #ef444466}.profiles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}.profile-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);transition:all .2s}.profile-card:hover{border-color:var(--border-light)}.profile-card.inactive{opacity:.5}.profile-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.profile-card-header h3{font-size:15px;font-weight:600}.profile-card-body{font-size:13px;margin-bottom:12px;color:var(--text-muted)}.profile-card-body p{margin-bottom:3px}.profile-card-preview{color:var(--text-dim);font-size:12px;margin-top:6px}.profile-card-actions{display:flex;gap:6px}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.badge-green{background:var(--success-bg);color:var(--success);border:1px solid rgba(34,197,94,.2)}.badge-blue{background:#3b82f61a;color:#60a5fa;border:1px solid rgba(59,130,246,.2)}.badge-yellow{background:var(--warning-bg);color:var(--warning);border:1px solid rgba(245,158,11,.2)}.badge-red{background:var(--danger-bg);color:#f87171;border:1px solid rgba(239,68,68,.2)}.badge-gray{background:#6b6b801a;color:var(--text-muted);border:1px solid var(--border)}.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-layout:auto}.table th,.table td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}.table .col-nowrap{white-space:nowrap}.table th{background:var(--bg-elevated);font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);padding:6px 10px}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--bg-hover)}.tier-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:1px}.tier-badge-free{background:var(--bg-elevated);color:var(--text-dim);border:1px solid var(--border)}.tier-badge-pro{background:linear-gradient(135deg,var(--primary) 0%,#ff8a50 100%);color:#fff;box-shadow:0 0 12px #ff6b2b4d}.ai-score{display:inline-block;padding:3px 10px;border-radius:14px;font-size:12px;font-weight:700;min-width:32px;text-align:center}.ai-score-high{background:var(--success-bg);color:var(--success)}.ai-score-mid{background:var(--warning-bg);color:var(--warning)}.ai-score-low{background:var(--danger-bg);color:#f87171}.ai-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:800;background:linear-gradient(135deg,var(--primary) 0%,#ff8a50 100%);color:#fff;letter-spacing:.5px;text-transform:uppercase}.upgrade-prompt{display:flex;align-items:center;gap:12px;background:var(--primary-subtle);border:1px solid rgba(255,107,43,.15);border-radius:var(--radius);padding:14px;font-size:13px}.upgrade-prompt-icon{font-size:20px;color:var(--primary);filter:drop-shadow(0 0 6px rgba(255,107,43,.4))}.upgrade-prompt p{margin-top:3px;color:var(--text-dim);font-size:12px}.sparkline-container{display:flex;align-items:flex-end;gap:3px;height:40px}.sparkline-bar{flex:1;background:var(--primary);border-radius:2px 2px 0 0;min-height:2px;transition:height .3s;opacity:.7}.sparkline-bar:hover{opacity:1}.sparkline-bar.highlight{opacity:1;background:var(--primary-hover)}.suggestions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.suggestion-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:all .2s;cursor:pointer}.suggestion-card:hover{border-color:var(--border-light)}.suggestion-card.selected{border-color:var(--primary);background:var(--primary-subtle)}.bulk-actions-bar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--primary-subtle);border:1px solid rgba(255,107,43,.2);border-radius:var(--radius);margin-bottom:12px;font-size:13px;font-weight:500;color:var(--primary)}.bulk-actions-bar .select{padding:5px 10px;font-size:13px;max-width:200px}.table .col-email{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table .col-name,.table .col-company{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table .col-industry{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table .col-actions,.table .col-status{white-space:nowrap}.table .col-date{white-space:nowrap;font-size:12px}.table .col-center{text-align:center}.table .col-compact{padding:8px 6px}.table .lead-checkbox{width:32px;text-align:center;padding:6px 4px}.table .lead-checkbox input[type=checkbox]{width:14px;height:14px;cursor:pointer}.table tr.row-selected{background:var(--primary-subtle)}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:14px;padding:8px 0}.pagination-info{font-size:13px;color:var(--text-dim)}.activity-list{display:flex;flex-direction:column;gap:5px}.activity-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;display:flex;align-items:center;gap:10px;font-size:13px;transition:all .15s}.activity-item:hover{border-color:var(--border-light)}.activity-subject{flex:1;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.activity-date{color:var(--text-dim);font-size:12px;white-space:nowrap}.activity-filters{display:flex;gap:5px;margin-bottom:10px;flex-wrap:wrap}.activity-filter-btn{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:600;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:all .15s}.activity-filter-btn:hover{border-color:var(--border-light);color:var(--text)}.activity-filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--bg-card);border:1px solid var(--border-light);border-radius:14px;padding:22px;width:90%;max-width:500px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal h3{margin-bottom:12px;font-weight:600;font-size:16px}.modal-actions{display:flex;gap:6px;justify-content:flex-end;margin-top:14px}.preview h3{margin-bottom:10px}.preview-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.preview-subject{margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--border);color:var(--text);font-size:13px}.preview-body{white-space:pre-wrap;font-family:inherit;font-size:13px;line-height:1.55;color:var(--text-muted)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(ellipse at 50% 0%,rgba(255,107,43,.08) 0%,transparent 50%),var(--bg)}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:44px;width:100%;max-width:440px;box-shadow:var(--shadow-lg)}.auth-brand{font-size:36px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:6px;letter-spacing:-1px;text-shadow:0 0 30px rgba(255,107,43,.3)}.auth-tagline{text-align:center;color:var(--text-dim);font-size:14px;margin-bottom:32px}.auth-card h2{text-align:center;margin-bottom:24px;font-size:20px;font-weight:600}.auth-switch{text-align:center;margin-top:24px;font-size:14px;color:var(--text-dim)}.auth-switch a{color:var(--primary);text-decoration:none;font-weight:600;transition:color .15s}.auth-switch a:hover{color:var(--primary-hover)}.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:14px 16px;box-shadow:var(--shadow)}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:13px;color:var(--text-muted)}.setting-info{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:12px;font-size:13px;color:var(--text-muted)}.setting-info ol{padding-left:18px;margin:6px 0}.setting-info li{margin-bottom:3px}.setting-info code{background:var(--bg-hover);padding:2px 6px;border-radius:6px;font-size:11px;word-break:break-all;color:var(--primary);border:1px solid var(--border)}.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);font-weight:800;text-shadow:0 0 30px rgba(255,107,43,.3)}.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-card);border:1px solid var(--border);color:var(--text-muted)}.wizard-steps span.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 0 12px #ff6b2b4d}.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;color:var(--text-muted)}.wizard-step .form{text-align:left}.history-list{display:flex;flex-direction:column;gap:5px}.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:10px 14px;cursor:pointer;transition:background .15s}.history-item-header:hover{background:var(--bg-hover)}.history-item-left{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.history-item-to{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.history-item-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.history-item-date{font-size:12px;color:var(--text-dim);min-width:70px;text-align:right}.history-item-expand{font-size:10px;color:var(--text-dim)}.history-item-detail{border-top:1px solid var(--border);padding:14px;background:var(--bg-elevated)}.history-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:13px;margin-bottom:12px;color:var(--text-muted)}.history-email-preview{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px}.history-email-subject{padding-bottom:6px;margin-bottom:6px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text)}.history-email-body{white-space:pre-wrap;font-size:12px;line-height:1.55;color:var(--text-muted)}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:250}.drawer{position:fixed;top:0;right:0;width:400px;max-width:90vw;height:100vh;background:var(--bg-card);border-left:1px solid var(--border);box-shadow:var(--shadow-lg);z-index:260;overflow-y:auto;animation:drawer-in .25s ease;padding:20px}@keyframes drawer-in{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.drawer-header h3{font-size:16px;font-weight:600}.drawer-section{margin-bottom:16px}.drawer-section h4{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--text-dim);margin-bottom:6px;font-weight:600}.drawer-field{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid var(--border);font-size:13px}.drawer-field-label{color:var(--text-muted)}.drawer-field-value{color:var(--text);font-weight:500;text-align:right;max-width:60%;word-break:break-all}.shortcuts-grid{display:flex;flex-direction:column;gap:10px}.shortcut-row{display:flex;justify-content:space-between;align-items:center}.shortcut-key{display:inline-block;padding:3px 10px;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:6px;font-family:monospace;font-size:13px;min-width:32px;text-align:center;color:var(--text)}.shortcut-label{color:var(--text-muted);font-size:14px}.thread-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:300;display:flex;align-items:center;justify-content:center}.thread-panel{width:95%;max-width:900px;height:90vh;background:var(--bg-card);border:1px solid var(--border-light);border-radius:16px;display:flex;flex-direction:column;box-shadow:0 16px 64px #0009;animation:thread-in .25s ease}@keyframes thread-in{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.thread-header{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border);flex-shrink:0}.thread-header-info{display:flex;align-items:center;gap:14px;min-width:0}.thread-header-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,#ff8a50 100%);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;flex-shrink:0}.thread-header-name{font-size:17px;font-weight:700;color:var(--text);margin:0}.thread-header-meta{font-size:13px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:500px}.thread-header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}.thread-msg-count{font-size:12px;color:var(--text-dim);background:var(--bg-elevated);padding:4px 12px;border-radius:20px;border:1px solid var(--border)}.thread-close-btn{width:36px;height:36px;border:1px solid var(--border);border-radius:50%;background:var(--bg-elevated);color:var(--text-muted);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.thread-close-btn:hover{background:var(--danger-bg);color:var(--danger);border-color:#ef44444d}.thread-messages{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:4px}.thread-loading,.thread-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;flex:1;color:var(--text-dim);font-size:14px}.thread-msg{display:flex;gap:12px;max-width:85%;animation:msg-in .2s ease}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.thread-msg-sent{align-self:flex-end;flex-direction:row-reverse}.thread-msg-received{align-self:flex-start}.thread-msg-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:4px}.thread-msg-sent .thread-msg-avatar{background:var(--primary-subtle);color:var(--primary);border:1px solid rgba(255,107,43,.2)}.thread-msg-received .thread-msg-avatar{background:var(--bg-elevated);color:var(--text-muted);border:1px solid var(--border)}.thread-msg-content{border-radius:12px;padding:12px 16px}.thread-msg-sent .thread-msg-content{background:#ff6b2b0f;border:1px solid rgba(255,107,43,.12)}.thread-msg-received .thread-msg-content{background:var(--bg-elevated);border:1px solid var(--border)}.thread-msg-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;gap:12px}.thread-msg-header strong{font-size:13px}.thread-msg-date{font-size:11px;color:var(--text-dim);white-space:nowrap}.thread-msg-body{font-size:14px;line-height:1.65;white-space:pre-wrap;word-break:break-word;color:var(--text)}.thread-msg-received .thread-msg-body{color:var(--text-muted)}.thread-reply{border-top:1px solid var(--border);padding:14px 24px 18px;flex-shrink:0;background:var(--bg-elevated);border-radius:0 0 16px 16px}.thread-tools{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}.thread-tool-btn{padding:5px 12px;border-radius:20px;font-size:12px;font-weight:600;background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap}.thread-tool-btn:hover{border-color:var(--border-light);color:var(--text)}.thread-tool-btn:disabled{opacity:.4;cursor:not-allowed}.thread-tool-ai{border-color:#ff6b2b33;color:var(--primary)}.thread-tool-ai:hover{background:var(--primary-subtle);border-color:#ff6b2b4d}.thread-tool-active{background:var(--primary-subtle);border-color:#ff6b2b40;color:var(--primary)}.thread-ai-prompt{display:flex;gap:8px;align-items:flex-end;margin-bottom:10px;animation:msg-in .15s ease}.thread-ai-prompt-input{flex:1;background:var(--bg-card);border:1px solid rgba(255,107,43,.2);border-radius:10px;padding:10px 14px;font-family:var(--font);font-size:13px;line-height:1.4;color:var(--text);resize:none;outline:none;transition:border-color .15s}.thread-ai-prompt-input::placeholder{color:var(--text-dim)}.thread-ai-prompt-input:focus{border-color:var(--primary)}.thread-ai-prompt-btn{padding:8px 16px;border-radius:10px;background:var(--primary);border:none;color:#fff;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .15s}.thread-ai-prompt-btn:hover{background:var(--primary-hover)}.thread-ai-prompt-btn:disabled{opacity:.4;cursor:not-allowed}.thread-attach-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:10px;animation:msg-in .15s ease}.thread-attach-section{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted)}.thread-attach-section+.thread-attach-section{margin-top:8px}.thread-attach-section label{white-space:nowrap;font-weight:500;min-width:120px}.thread-compose{display:flex;gap:10px;align-items:flex-end}.thread-textarea{flex:1;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);resize:none;outline:none;transition:border-color .15s}.thread-textarea::placeholder{color:var(--text-dim)}.thread-textarea:focus{border-color:var(--primary)}.thread-send-btn{width:44px;height:44px;border-radius:50%;background:var(--primary);border:none;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0}.thread-send-btn:hover{background:var(--primary-hover);transform:scale(1.05)}.thread-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}@media (max-width: 700px){.thread-panel{width:100%;height:100vh;border-radius:0;max-width:none}.thread-header-meta{max-width:180px}.thread-msg{max-width:95%}.thread-messages{padding:14px 16px}.thread-reply{padding:12px 16px 14px}}.empty-state-card{text-align:center;padding:40px 20px;background:var(--bg-card);border:1px dashed var(--border-light);border-radius:var(--radius)}.empty-state-icon{font-size:40px;margin-bottom:12px;filter:grayscale(.3)}.empty-state-title{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--text)}.empty-state-desc{font-size:13px;color:var(--text-muted);max-width:380px;margin:0 auto 16px;line-height:1.5}.empty-state-action{display:flex;gap:6px;justify-content:center}.sending-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0feb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:300}.sending-overlay-content{text-align:center;color:var(--text)}.sending-animation-area{position:relative;width:200px;height:100px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center}.sending-envelope{color:var(--primary);filter:drop-shadow(0 0 24px rgba(255,107,43,.5))}.sending-trail{position:absolute;left:20px;top:50%;transform:translateY(-50%);display:flex;gap:6px}.sending-trail-dot{width:4px;height:4px;border-radius:50%;background:var(--primary);opacity:0}.sending-overlay-title{font-size:22px;font-weight:700;margin-bottom:6px;color:var(--text)}.sending-overlay-info{color:var(--text-muted);font-size:15px;margin-bottom:20px}.sending-progress-track{width:240px;height:4px;background:var(--border);border-radius:2px;margin:0 auto;overflow:hidden}.sending-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-hover));border-radius:2px;width:0%}.sending-progress-indeterminate{width:40%;animation:progress-slide 1.2s ease-in-out infinite}@keyframes progress-slide{0%{transform:translate(-100%)}to{transform:translate(350%)}}.inline-loader{display:inline-flex;align-items:center;gap:6px}.inline-loader-dots{display:inline-flex;gap:3px;align-items:center}.inline-loader-dot{width:4px;height:4px;border-radius:50%;background:var(--primary);display:inline-block;opacity:.3}.inline-loader-md .inline-loader-dot{width:6px;height:6px}.inline-loader-text{font-size:12px;color:var(--text-muted)}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:500;pointer-events:none}.toast{padding:12px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--text);box-shadow:var(--shadow-lg);cursor:pointer;pointer-events:auto;animation:toast-in .3s ease;max-width:380px}.toast-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(34,197,94,.25)}.toast-error{background:var(--danger-bg);color:#f87171;border:1px solid rgba(239,68,68,.25)}.toast-info{background:var(--bg-elevated);border:1px solid var(--border-light)}@keyframes toast-in{0%{opacity:0;transform:translateY(12px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}