:root{--sidebar-bg: #0c0c11;--sidebar-hover: #18181f;--sidebar-active-bg: rgba(109, 40, 217, .18);--sidebar-border: rgba(255, 255, 255, .07);--sidebar-text: rgba(255, 255, 255, .52);--sidebar-text-hi: #ffffff;--sidebar-width: 236px;--surface: #f4f2ee;--card: #ffffff;--border: #e6e3dd;--border-focus: rgba(109, 40, 217, .45);--accent: #5b21b6;--accent-hover: #6d28d9;--accent-soft: #ede9fe;--accent-fg: #ffffff;--highlight: #d97706;--highlight-hover: #b45309;--highlight-soft: #fef3c7;--text: #1a1a1f;--text-muted: #6b7280;--text-pale: #9ca3af;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .06);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .07), 0 2px 6px rgba(0, 0, 0, .04);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .1), 0 6px 20px rgba(0, 0, 0, .05);--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-2xl: 24px;font-synthesis:none;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:DM Sans,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background:var(--surface)}button,input,textarea,select{font:inherit}button{cursor:pointer}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-width);background:var(--sidebar-bg);display:flex;flex-direction:column;z-index:200;border-right:1px solid var(--sidebar-border);overflow:hidden}.sidebar-brand{display:flex;align-items:center;gap:11px;padding:26px 22px 22px;border-bottom:1px solid var(--sidebar-border);flex-shrink:0}.sidebar-logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--highlight));display:flex;align-items:center;justify-content:center;color:#fff;font-family:Fraunces,Georgia,serif;font-size:17px;font-weight:600;flex-shrink:0;letter-spacing:-.02em}.sidebar-brand-name{font-family:Fraunces,Georgia,serif;font-size:15px;font-weight:500;color:var(--sidebar-text-hi);line-height:1.15;letter-spacing:-.01em}.sidebar-brand-sub{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--sidebar-text);margin-top:2px}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}.sidebar-step{display:flex;align-items:center;gap:11px;width:100%;padding:10px 11px;border:0;border-radius:var(--r-sm);background:transparent;color:var(--sidebar-text);text-align:left;transition:background .15s ease,color .15s ease;position:relative}.sidebar-step:hover{background:var(--sidebar-hover);color:var(--sidebar-text-hi)}.sidebar-step.is-active{background:var(--sidebar-active-bg);color:var(--sidebar-text-hi)}.sidebar-step.is-active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:55%;background:var(--accent-hover);border-radius:0 3px 3px 0}.sidebar-step.is-done{color:#ffffff61}.step-num{font-family:JetBrains Mono,Cascadia Code,monospace;font-size:10px;color:inherit;opacity:.55;min-width:20px;flex-shrink:0}.step-label{font-size:13px;font-weight:500;flex:1}.step-check{font-size:10px;color:#4ade80;flex-shrink:0}.sidebar-footer{padding:18px 22px;border-top:1px solid var(--sidebar-border);flex-shrink:0}.privacy-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#4ade801a;border:1px solid rgba(74,222,128,.18);font-size:11px;font-weight:600;color:#4ade80;letter-spacing:.02em;margin-bottom:9px}.sidebar-footer-text{margin:0;font-size:11px;color:var(--sidebar-text);line-height:1.55}.app-root{display:flex;min-height:100vh}.app-main{flex:1;margin-left:var(--sidebar-width);min-height:100vh;background:var(--surface)}.topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:52px 52px 38px;animation:rise .56s cubic-bezier(.22,1,.36,1) both}.topbar-eyebrow{margin:0 0 11px;font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}.topbar-title{margin:0;font-family:Fraunces,Georgia,serif;font-size:clamp(28px,3.5vw,46px);font-weight:400;line-height:1.12;letter-spacing:-.035em;color:var(--text)}.topbar-title em{font-style:italic;font-weight:300;color:var(--text-muted)}.topbar-features{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;flex-shrink:0}.feature-chip{display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;background:var(--card);border:1px solid var(--border);font-size:12px;font-weight:500;color:var(--text-muted);box-shadow:var(--shadow-xs);white-space:nowrap}.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}.chip-dot--amber{background:var(--highlight)}.workspace{display:grid;grid-template-columns:minmax(340px,1fr) minmax(460px,1.35fr);gap:24px;padding:0 52px 64px;align-items:start}.editor-column{display:flex;flex-direction:column;gap:14px;animation:rise .62s 40ms cubic-bezier(.22,1,.36,1) both}.editor-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-2xl);padding:26px;box-shadow:var(--shadow-sm);scroll-margin-top:28px;transition:box-shadow .2s ease}.editor-card:focus-within{box-shadow:var(--shadow-md)}.card-header{display:flex;align-items:flex-start;gap:13px;padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--border)}.card-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--accent);color:var(--accent-fg);font-family:JetBrains Mono,monospace;font-size:10px;font-weight:500;flex-shrink:0;margin-top:3px}.card-header-text h2{margin:0;font-family:Fraunces,Georgia,serif;font-size:19px;font-weight:500;letter-spacing:-.025em;line-height:1.2;color:var(--text)}.card-header-text p{margin:4px 0 0;font-size:12px;color:var(--text-muted)}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field{display:flex;flex-direction:column;gap:6px}.field--wide{margin-top:13px}.field-label{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.field input,.field 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ease}.upload-zone:hover,.upload-zone:focus-visible{border-color:var(--accent);background:var(--accent-soft);outline:none}.upload-icon{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;transition:background .15s ease}.upload-zone:hover .upload-icon{background:#6d28d926}.upload-zone-text{font-size:13px;font-weight:600;color:var(--text);margin:0 0 3px}.upload-zone-sub{font-size:12px;color:var(--text-muted);margin:0}.logo-preview{display:flex;align-items:center;gap:14px;padding:13px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--border)}.logo-preview img{width:52px;height:52px;border-radius:10px;object-fit:contain;background:#fff;flex-shrink:0;border:1px solid var(--border)}.logo-preview-info{flex:1;min-width:0}.logo-preview-name{display:block;font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px}.logo-preview-remove{border:0;background:transparent;padding:0;font-size:12px;font-weight:600;color:#ef4444;transition:color .15s ease}.logo-preview-remove:hover{color:#dc2626}.template-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.template-option{border:1px solid var(--border);border-radius:var(--r-md);padding:13px 14px 14px;text-align:left;background:var(--surface);color:var(--text);transition:border-color .15s ease,background .15s ease,transform .15s ease,box-shadow .15s ease;position:relative;overflow:hidden}.template-option:hover{transform:translateY(-1px);border-color:#6d28d94d;box-shadow:var(--shadow-sm)}.template-option.is-selected{border-color:var(--accent);background:var(--card);box-shadow:0 0 0 3px #5b21b61a,var(--shadow-sm)}.template-option.is-selected:after{content:"✓";position:absolute;top:8px;right:8px;width:18px;height:18px;border-radius:50%;background:var(--accent);color:#fff;font-size:9px;font-weight:800;display:block;text-align:center;line-height:18px}.template-name{display:block;font-size:12.5px;font-weight:600;color:var(--text);margin-bottom:4px;letter-spacing:-.01em;padding-right:20px}.template-desc{display:block;font-size:11.5px;color:var(--text-muted);line-height:1.4;margin-bottom:6px}.template-tone{display:inline-block;font-size:10px;font-weight:600;letter-spacing:.04em;color:var(--text-pale)}.color-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.color-field{display:flex;flex-direction:column;gap:7px}.color-field-label{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.color-field input[type=color]{width:100%;height:44px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--card);padding:4px;cursor:pointer;transition:border-color .15s ease,transform .15s ease}.color-field input[type=color]:hover{border-color:var(--accent);transform:scale(1.02)}.preview-column{position:sticky;top:24px;display:flex;flex-direction:column;gap:14px;animation:rise .68s 80ms cubic-bezier(.22,1,.36,1) both}.preview-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-2xl);padding:26px;box-shadow:var(--shadow-md)}.preview-header{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px}.preview-eyebrow{margin:0 0 4px;font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}.preview-title{margin:0;font-family:Fraunces,Georgia,serif;font-size:20px;font-weight:500;letter-spacing:-.025em;color:var(--text)}.mode-toggle{display:inline-flex;padding:3px;border-radius:10px;background:var(--surface);border:1px solid var(--border);flex-shrink:0}.mode-toggle button{border:0;border-radius:8px;background:transparent;color:var(--text-muted);padding:7px 13px;font-size:11.5px;font-weight:600;transition:background .15s ease,color .15s ease,box-shadow .15s ease;white-space:nowrap}.mode-toggle button.is-active{background:var(--card);color:var(--text);box-shadow:var(--shadow-xs)}.mail-stage{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm)}.mail-chrome{display:flex;gap:6px;padding:11px 16px;background:#f0ede7;border-bottom:1px solid var(--border);align-items:center}.mail-chrome span{width:10px;height:10px;border-radius:50%}.mail-chrome span:nth-child(1){background:#ff5f57}.mail-chrome span:nth-child(2){background:#febc2e}.mail-chrome span:nth-child(3){background:#28c840}.mail-body{min-height:260px;padding:28px 32px;background:#fff;font-family:Arial,sans-serif;font-size:14px;overflow-x:auto}.mail-body-text{margin:0 0 22px;color:#52525b;line-height:1.65;font-family:Arial,sans-serif;font-size:14px}.signature-preview{animation:previewIn .28s ease both}.export-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;border-radius:var(--r-xl);background:var(--text);color:#fff}.export-status strong{display:block;font-size:13px;font-weight:600;margin-bottom:4px}.export-status p{margin:0;font-size:11.5px;color:#ffffff7a;max-width:400px;line-height:1.5}.export-actions{display:flex;gap:7px;flex-shrink:0;flex-wrap:wrap}.btn-primary{border:0;border-radius:var(--r-sm);padding:9px 18px;font-size:13px;font-weight:600;background:var(--highlight);color:#18181b;white-space:nowrap;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn-primary:hover{background:var(--highlight-hover);transform:translateY(-1px);box-shadow:0 6px 18px #d9770661}.btn-secondary{border:0;border-radius:var(--r-sm);padding:9px 18px;font-size:13px;font-weight:600;background:#ffffff1a;color:#ffffffe6;white-space:nowrap;transition:background .15s ease,transform .15s ease}.btn-secondary:hover{background:#ffffff29;transform:translateY(-1px)}.btn-ghost{border:0;border-radius:var(--r-sm);padding:9px 14px;font-size:13px;font-weight:600;background:transparent;color:#ffffff61;white-space:nowrap;transition:color .15s ease}.btn-ghost:hover{color:#ffffffb3}.code-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden}.code-panel-header{display:flex;justify-content:space-between;align-items:center;padding:11px 16px;border-bottom:1px solid var(--border);background:var(--surface)}.code-panel-label{font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--text-muted)}.code-panel-badge{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);padding:3px 8px;border-radius:5px;background:var(--accent-soft)}.code-panel pre{margin:0;padding:14px 16px;max-height:156px;overflow:auto;font-family:JetBrains Mono,Cascadia Code,Fira Code,monospace;font-size:10.5px;line-height:1.65;color:#374151;white-space:pre-wrap;word-break:break-all;background:#f9fafb}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes previewIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1280px){.workspace{grid-template-columns:1fr;padding:0 36px 56px}.topbar{padding:36px 36px 28px}.preview-column{position:static}}@media(max-width:900px){:root{--sidebar-width: 0px}.sidebar{display:none}.topbar,.workspace{padding-left:20px;padding-right:20px}.topbar{flex-direction:column;align-items:flex-start;gap:16px;padding-top:28px}.field-grid,.template-grid{grid-template-columns:1fr}.color-grid{grid-template-columns:repeat(2,1fr)}.export-bar{flex-direction:column;align-items:stretch}.export-actions{flex-wrap:wrap}.export-actions button{flex:1;min-width:120px}}@media(max-width:480px){.mail-body{padding:20px}.preview-card{padding:18px}.editor-card{padding:18px;border-radius:var(--r-xl)}.mode-toggle button{padding:7px 10px;font-size:11px}}