@import "https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap";:root{--bg-app:transparent;--bg-sidebar:#080808a6;--bg-panel:#0f0f0fad;--bg-card:#1c1c1c8c;--bg-input:#14141499;--bg-hover:#ffffff14;--bg-active:#ffffff1f;--border-subtle:#ffffff0d;--border-default:#ffffff17;--border-focus:#5ade80;--text-primary:#fff;--text-secondary:#d1d1d1;--text-muted:#888;--text-disabled:#4e4e4e;--accent:#5ade80;--accent-hover:#73e294;--accent-soft:#5ade8024;--accent-glow:#5ade804d;--success:#22c55e;--success-soft:#22c55e26;--error:#ef4444;--error-soft:#ef444426;--warning:#f59e0b;--warning-soft:#f59e0b26;--sidebar-width:68px;--sidebar-expanded:220px;--panel-width:420px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 32px #000000b3;--shadow-glow:0 0 20px var(--accent-glow);--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.35s cubic-bezier(.4, 0, .2, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Open Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-size:13px;line-height:1.5}.app-layout{z-index:1;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);height:100vh;transition:width var(--transition-slow), min-width var(--transition-slow);z-index:100;-webkit-backdrop-filter:blur(16px)saturate(140%);backdrop-filter:blur(16px)saturate(140%);flex-direction:column;display:flex;position:relative;overflow:hidden}.sidebar.expanded{width:var(--sidebar-expanded);min-width:var(--sidebar-expanded)}.sidebar-header{border-bottom:1px solid var(--border-subtle);cursor:pointer;flex-shrink:0;align-items:center;gap:12px;height:56px;padding:0 16px;display:flex}.sidebar-header:hover{background:var(--bg-hover)}.sidebar-logo{background:linear-gradient(135deg, var(--accent), #a78bfa);border-radius:var(--radius-md);color:#fff;justify-content:center;align-items:center;width:36px;min-width:36px;height:36px;font-size:16px;font-weight:800;display:flex}.sidebar-title{color:var(--text-primary);white-space:nowrap;opacity:0;transition:opacity var(--transition-normal);font-size:14px;font-weight:700}.sidebar.expanded .sidebar-title{opacity:1}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:8px;display:flex;overflow-y:auto}.sidebar-item{border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;align-items:center;gap:12px;padding:10px 14px;display:flex;position:relative}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--accent-soft);color:var(--accent-hover)}.sidebar-item.active:before{content:"";background:var(--accent);border-radius:0 4px 4px 0;width:3px;height:24px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar-item-icon{justify-content:center;align-items:center;width:20px;min-width:20px;height:20px;display:flex}.sidebar-item-label{opacity:0;transition:opacity var(--transition-normal);font-size:13px;font-weight:500}.sidebar.expanded .sidebar-item-label{opacity:1}.sidebar-toggle{border-top:1px solid var(--border-subtle);cursor:pointer;color:var(--text-muted);transition:color var(--transition-fast);flex-shrink:0;justify-content:center;padding:12px;display:flex}.sidebar-toggle:hover{color:var(--text-primary)}.content-panel{width:var(--panel-width);min-width:var(--panel-width);max-width:var(--panel-width);background:var(--bg-panel);border-right:1px solid var(--border-subtle);z-index:90;-webkit-backdrop-filter:blur(16px)saturate(140%);backdrop-filter:blur(16px)saturate(140%);flex-direction:column;height:100vh;display:flex;position:relative;overflow:hidden}.content-header{border-bottom:1px solid var(--border-subtle);flex-shrink:0;align-items:center;gap:12px;height:56px;padding:0 20px;display:flex}.content-header h2{color:var(--text-primary);font-size:15px;font-weight:700}.content-body{flex:1;padding:20px;overflow-y:auto}.content-body::-webkit-scrollbar{width:6px}.content-body::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}.content-body::-webkit-scrollbar-track{background:0 0}.preview-pane{z-index:80;background:#0a0a0a0d;flex-direction:column;flex:1;height:100vh;display:flex;position:relative;overflow:hidden}.preview-header{border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.preview-header h2{color:var(--text-secondary);font-size:14px;font-weight:600}.preview-body{flex:1;justify-content:center;align-items:flex-start;padding:32px;display:flex;overflow-y:auto}.email-simulator{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);width:100%;max-width:720px;box-shadow:var(--shadow-lg);overflow:hidden}.email-sim-header{background:var(--bg-input);border-bottom:1px solid var(--border-subtle);align-items:center;gap:8px;padding:10px 16px;display:flex}.email-sim-dots{gap:6px;display:flex}.email-sim-dot{border-radius:50%;width:10px;height:10px}.email-sim-dot:first-child{background:#ef4444}.email-sim-dot:nth-child(2){background:#f59e0b}.email-sim-dot:nth-child(3){background:#22c55e}.email-sim-title{color:var(--text-secondary);margin-left:8px;font-size:12px;font-weight:600}.email-sim-fields{border-bottom:1px solid var(--border-subtle);padding:12px 20px}.email-sim-field{align-items:center;gap:8px;padding:4px 0;font-size:12px;display:flex}.email-sim-field-label{color:var(--text-muted);min-width:56px;font-weight:600}.email-sim-field-value{color:var(--text-secondary)}.email-sim-body{background:#fff;min-height:200px;padding:24px}.email-sim-text{color:#334155;margin-bottom:24px;font-family:Open Sans,sans-serif;font-size:14px;line-height:1.6}.email-sim-text[contenteditable=true]{cursor:text;transition:box-shadow var(--transition-fast);border-radius:4px;outline:none}.email-sim-text[contenteditable=true]:focus{box-shadow:0 0 0 2px var(--accent-glow)}.email-sim-signature{width:100%;max-width:600px;display:block}.form-group{margin-bottom:16px}.form-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:11px;font-weight:600;display:block}.form-input,.form-select,.form-textarea{background:var(--bg-input);border:1px solid var(--border-default);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:all var(--transition-fast);outline:none;padding:9px 12px;font-family:Open Sans,sans-serif;font-size:13px}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-soft)}.form-input::placeholder{color:var(--text-disabled)}.form-textarea{resize:vertical;min-height:80px}.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 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input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;width:14px;height:14px;box-shadow:0 0 4px var(--accent-glow);border-radius:50%}.slider-value{text-align:right;min-width:36px;color:var(--text-secondary);font-family:Open Sans,monospace;font-size:12px;font-weight:600}.toggle{justify-content:space-between;align-items:center;padding:10px 0;display:flex}.toggle-label{color:var(--text-secondary);font-size:13px}.toggle-switch{background:var(--bg-input);cursor:pointer;width:36px;height:20px;transition:background var(--transition-fast);border:1px solid var(--border-default);border-radius:10px;position:relative}.toggle-switch.active{background:var(--accent);border-color:var(--accent)}.toggle-switch:after{content:"";width:14px;height:14px;transition:transform var(--transition-fast);background:#fff;border-radius:50%;position:absolute;top:2px;left:2px}.toggle-switch.active:after{transform:translate(16px)}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-family:Open Sans,sans-serif;font-size:13px;font-weight:700;display:inline-flex}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-default)}.btn-secondary:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-focus)}.btn-success{background:var(--success);color:#000}.btn-success:hover{color:#000;background:#16a34a}.btn-danger{background:var(--error-soft);color:var(--error);border:1px solid #ef444433}.btn-danger:hover{background:var(--error);color:#fff}.btn-ghost{color:var(--text-secondary);background:0 0;padding:6px 10px}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}.accordion{border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden}.accordion-header{background:var(--bg-card);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast);justify-content:space-between;align-items:center;padding:12px 14px;display:flex}.accordion-header:hover{background:var(--bg-hover)}.accordion-title{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);font-size:12px;font-weight:700}.accordion-icon{color:var(--text-muted);transition:transform var(--transition-normal)}.accordion.open .accordion-icon{transform:rotate(180deg)}.accordion-content{max-height:0;transition:max-height var(--transition-slow), padding var(--transition-slow);padding:0;overflow:hidden}.accordion.open .accordion-content{max-height:2000px;padding:14px}.preset-bar{background:var(--bg-card);border-bottom:1px solid var(--border-subtle);flex-shrink:0;align-items:center;gap:8px;padding:12px 20px;display:flex}.preset-chip{cursor:pointer;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-default);transition:all var(--transition-fast);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600}.preset-chip.active{background:var(--accent-soft);color:var(--accent-hover);border-color:var(--accent)}.preset-chip:hover:not(.active){background:var(--bg-hover);border-color:var(--text-muted)}.preset-add{background:var(--bg-input);width:28px;height:28px;color:var(--text-muted);border:1px dashed var(--border-default);cursor:pointer;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;font-size:16px;display:flex}.preset-add:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}.toast-container{z-index:10000;flex-direction:column;gap:8px;display:flex;position:fixed;top:20px;right:20px}.toast{border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-default);color:var(--text-primary);box-shadow:var(--shadow-lg);align-items:center;gap:10px;min-width:280px;padding:12px 16px;font-size:13px;font-weight:500;animation:.3s ease-out toast-in;display:flex}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--error)}.toast.warning{border-left:3px solid var(--warning)}@keyframes toast-in{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.radio-tabs{background:var(--bg-input);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);gap:0;padding:3px;display:flex}.radio-tab{text-align:center;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);border-radius:4px;flex:1;padding:7px 12px;font-size:12px;font-weight:600}.radio-tab.active{background:var(--accent);color:#000;box-shadow:var(--shadow-sm);font-weight:700}.radio-tab:hover:not(.active){color:var(--text-primary)}.template-list{flex-direction:column;gap:4px;display:flex}.template-item{border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:8px 12px;font-size:13px;display:flex}.template-item:hover{background:var(--bg-hover)}.template-item.active{background:var(--accent-soft);color:var(--accent-hover)}.badge{border-radius:12px;align-items:center;gap:4px;padding:3px 8px;font-size:11px;font-weight:600;display:inline-flex}.badge-success{background:var(--success-soft);color:var(--success)}.badge-error{background:var(--error-soft);color:var(--error)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.section-divider{background:var(--border-subtle);height:1px;margin:16px 0}.section-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:12px;font-size:11px;font-weight:700}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9000;background:#0009;justify-content:center;align-items:center;animation:.2s fade-in;display:flex;position:fixed;inset:0}.modal{background:var(--bg-panel);border:1px solid var(--border-default);border-radius:var(--radius-lg);width:90%;max-width:480px;max-height:80vh;box-shadow:var(--shadow-lg);padding:24px;animation:.25s modal-in;overflow-y:auto}.modal h3{margin-bottom:16px;font-size:16px;font-weight:700}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.history-item{border-radius:var(--radius-sm);border:1px solid var(--border-subtle);justify-content:space-between;align-items:center;margin-bottom:6px;padding:10px 12px;font-size:12px;display:flex}.history-meta{color:var(--text-muted);font-size:11px}.empty-state{text-align:center;color:var(--text-muted);padding:40px 20px}.empty-state-icon{opacity:.4;margin-bottom:12px;font-size:40px}.empty-state-text{font-size:13px}.spinner{border:2px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}