@import "https://fonts.googleapis.com/css2?family=Alex+Brush&family=Allura&family=Cinzel:wght@400;700&family=Cormorant+Garamond:ital,wght@0,400;0,700;1,400&family=Crimson+Text:ital,wght@0,400;0,600;1,400&family=Dancing+Script:wght@400;700&family=EB+Garamond:ital,wght@0,400;0,700;1,400&family=Great+Vibes&family=Inter:wght@400;500;600;700&family=Lato:ital,wght@0,400;0,700;1,400&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Pacifico&family=Pinyon+Script&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Poppins:wght@300;400;500;600;700&family=Raleway:wght@400;700&family=Sacramento&family=Satisfy&family=Tangerine:wght@400;700&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#080808;--surface:#141414;--surface2:#1e1e1e;--surface3:#27272a;--border:#3d3d3d;--border-muted:#27272a;--border-strong:#ffffff40;--accent:#fff;--accent-hover:#e0e0e0;--accent-light:#ffffff26;--text:#fff;--text-muted:#a1a1aa;--success:#34a853;--warning:#fbbc05;--danger:#ea4335;--blue:#4285f4;--shadow-sm:#0006;--shadow-lg:#000000a6;--surface-translucent:#0e0e0ed9;--sidebar-width:340px}:root[data-theme=light]{--bg:#fff;--surface:#f8f9fa;--surface2:#f1f3f4;--surface3:#e8eaed;--border:#dadce0;--border-muted:#e8eaed;--border-strong:#00000040;--accent:#4285f4;--accent-hover:#3367d6;--accent-light:#4285f426;--text:#202124;--text-muted:#5f6368;--success:#34a853;--warning:#fbbc05;--danger:#ea4335;--blue:#4285f4;--shadow-sm:#3c404326;--shadow-lg:#3c404340;--surface-translucent:#ffffffe0}html,body{height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);flex-direction:column;height:100vh;font-family:Poppins,Inter,Segoe 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input[type=file]{opacity:0;cursor:pointer;z-index:10;width:100%;height:100%;position:absolute;inset:0}.cert-drop-zone:hover,.cert-drop-zone.drag-active{border-color:var(--accent);background:var(--surface2);box-shadow:0 8px 32px #0006}.cert-drop-inner{pointer-events:none;flex-direction:column;align-items:center;gap:12px;padding:40px;display:flex}.cert-drop-icon{background:var(--surface2);width:68px;height:68px;color:var(--text);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.cert-drop-sub{color:var(--text-muted);font-size:13px}.cert-drop-formats{background:var(--surface3);color:var(--text-muted);border-radius:20px;padding:4px 12px;font-size:11px;font-weight:500}.change-template-btn{z-index:20;background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:8px 14px;font-size:12px;font-weight:500;transition:all 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var(--border);color:var(--text-muted);border-radius:6px;place-items:center;padding:0 10px;font-size:12px;display:grid}#toast{background:var(--surface2);border:1px solid var(--border);color:var(--text);opacity:0;pointer-events:none;white-space:nowrap;z-index:999;border-radius:8px;padding:10px 20px;font-size:13px;transition:all .25s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(20px)}#toast.show{opacity:1;transform:translate(-50%)translateY(0)}#toast.success{border-color:var(--success);color:var(--success)}#toast.warning{border-color:var(--warning);color:var(--warning)}.upload-area{border:2px dashed var(--border);text-align:center;cursor:pointer;border-radius:8px;padding:16px;transition:border-color .2s,background .2s;position:relative}.upload-area:hover,.upload-area.drag-over{border-color:var(--accent);background:var(--accent-light)}.upload-area input[type=file]{opacity:0;cursor:pointer;z-index:1;width:100%;height:100%;position:absolute;inset:0}.upload-inner{pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex}.upload-inner svg{color:var(--text-muted);opacity:.6}.upload-inner span{color:var(--text-muted);font-size:12px}.excel-preview-header{color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;display:flex}.excel-table-wrap{border:1px solid var(--border);border-radius:6px;max-height:260px;overflow:auto}.excel-table thead th{z-index:1;position:sticky;top:0}.excel-table{border-collapse:collapse;width:100%;font-size:12px}.excel-table th{background:var(--surface3);color:var(--text-muted);text-align:left;border-bottom:1px solid var(--border);padding:6px 10px;font-weight:600}.excel-table td{border-bottom:1px solid var(--border);color:var(--text);white-space:nowrap;text-overflow:ellipsis;max-width:160px;padding:5px 10px;overflow:hidden}.excel-table tr:last-child td{border-bottom:none}.excel-table tbody tr:hover{background:var(--surface2)}.chip-btn{cursor:pointer;border:none;border-radius:20px;padding:3px 10px;font-family:inherit;font-size:11px;font-weight:600;transition:opacity .15s}.chip-btn:hover{opacity:.8}.chip-btn.danger{color:var(--danger);background:#ff537026}.smtp-status-badge{border-radius:20px;margin-left:auto;padding:2px 7px;font-size:10px;font-weight:700}.smtp-status-badge.configured{color:var(--success);background:#43c59e26}.smtp-status-badge.unconfigured{color:var(--text-muted);background:#8892b026}.collapsible-toggle{background:var(--surface2);border:1px solid var(--border);width:100%;color:var(--text-muted);cursor:pointer;text-align:left;border-radius:6px;align-items:center;gap:7px;padding:8px 12px;font-family:inherit;font-size:12px;font-weight:600;transition:border-color .15s,color .15s;display:flex}.collapsible-toggle:hover,.collapsible-toggle.open{border-color:var(--accent);color:var(--text)}.collapsible-toggle 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.modal{transform:translateY(0)}.modal-wide{width:660px}.modal-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-title{color:var(--text);align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.modal-title svg{opacity:.7}.modal-close{background:var(--surface2);border:1px solid var(--border);width:28px;height:28px;color:var(--text-muted);cursor:pointer;border-radius:6px;place-items:center;font-family:inherit;font-size:18px;line-height:1;transition:border-color .15s,color .15s;display:grid}.modal-close:hover{border-color:var(--danger);color:var(--danger)}.modal-body{flex:1;padding:20px;overflow-y:auto}.modal-body::-webkit-scrollbar{width:4px}.modal-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.modal-body .field{margin-bottom:16px}.modal-body .field:last-child{margin-bottom:0}.modal-body .smtp-test-result{margin-top:0}.modal-footer{border-top:1px solid 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dashed var(--border);text-align:center;pointer-events:none;border-radius:18px;flex-direction:column;align-items:center;gap:14px;max-width:420px;padding:52px 64px;transition:border-color .2s,background .2s;display:flex}.cert-drop-zone:hover .cert-drop-inner,.cert-drop-zone.drag-active .cert-drop-inner{border-color:var(--accent);background:var(--accent-light)}.cert-drop-icon{color:var(--text-muted);opacity:.45;line-height:0;transition:opacity .2s,color .2s}.cert-drop-zone:hover .cert-drop-icon,.cert-drop-zone.drag-active .cert-drop-icon{color:var(--accent);opacity:1}.cert-drop-title{color:var(--text);font-size:21px;font-weight:600}.cert-drop-sub{color:var(--text-muted);margin-top:-4px;font-size:13px}.cert-drop-formats{color:var(--text-muted);opacity:.55;letter-spacing:.06em;font-size:11px}.change-template-btn{background:var(--surface);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;z-index:5;border-radius:7px;align-items:center;gap:6px;padding:7px 13px;font-family:inherit;font-size:12px;font-weight:500;transition:border-color .15s,color .15s;display:none;position:absolute;top:16px;right:16px}.change-template-btn:hover{border-color:var(--accent);color:var(--accent)}.change-template-btn.visible{display:flex}.how-to-use-overlay{background:var(--bg);z-index:9999;flex-direction:column;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0;overflow:hidden}@keyframes fadeIn{0%{opacity:0;transform:scale(.99)}to{opacity:1;transform:scale(1)}}.how-to-use-body{flex:1;padding:24px;overflow-y:auto}.how-to-use-body .container{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:calc(100% - 48px);max-width:1400px;margin:0 auto 40px;padding:40px 60px;line-height:1.7}.how-to-use-body .container h1,.how-to-use-body .container h2{color:var(--text);margin-bottom:20px}.how-to-use-body .container h2{border-bottom:1px solid var(--border);margin-top:30px;padding-bottom:10px}.how-to-use-body .container 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