:root{--bg-primary: #000000;--bg-panel: #0a0a0a;--bg-surface: #0f0f0f;--accent: #7C3AED;--accent-hover: #6D28D9;--text-main: #ffffff;--text-muted: rgba(255, 255, 255, .45);--text-secondary: rgba(255, 255, 255, .7);--border: rgba(255, 255, 255, .08);--border-subtle: rgba(255, 255, 255, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-primary);color:var(--text-main);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.page-wrapper{display:flex;flex-direction:column;min-height:100vh}.page-header{position:sticky;top:0;z-index:50;background-color:#000000eb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between}.page-header-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.page-header-logo img{height:22px;width:auto;display:block}.page-header-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;color:var(--text-muted);border-left:1px solid var(--border);padding-left:12px;margin-left:2px}.page-content{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:48px 24px 80px}.container{display:flex;flex-direction:column;gap:24px;max-width:1160px;width:100%}@media(min-width:900px){.container{flex-direction:row;align-items:flex-start}}.panel{background-color:var(--bg-panel);border:1px solid var(--border);padding:32px}.controls-panel{flex:1}.preview-panel{flex:1.5}.panel-header{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border-subtle)}.panel-header h2{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;color:var(--text-main)}.panel-header p{font-size:13px;color:var(--text-muted);margin-top:6px;line-height:1.5}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:10px;font-weight:700;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.1em;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace}.form-control{width:100%;background-color:var(--bg-surface);border:1px solid var(--border);color:var(--text-main);padding:11px 14px;border-radius:0;font-size:14px;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,sans-serif;outline:none;transition:border-color .2s,background-color .2s;-webkit-appearance:none}.form-control::placeholder{color:var(--text-muted)}.form-control:focus{border-color:var(--accent);background-color:#7c3aed0a}.form-row{display:flex;gap:16px}.form-row .form-group{flex:1}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;background-color:var(--accent);color:#fff;border:none;padding:14px;border-radius:0;font-size:11px;font-weight:700;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;text-transform:uppercase;letter-spacing:.12em;cursor:pointer;transition:background-color .2s,transform .1s;margin-top:24px}.btn:hover{background-color:var(--accent-hover)}.btn:active{transform:scale(.99)}.preview-box{background-color:#fff;padding:40px;display:flex;justify-content:center;overflow-x:auto}#signature-container{min-width:400px}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%);background-color:var(--accent);color:#fff;padding:12px 28px;border-radius:0;font-size:11px;font-weight:700;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;text-transform:uppercase;letter-spacing:.1em;box-shadow:0 4px 32px #7c3aed59;z-index:1000;animation:slideInUp .3s cubic-bezier(.16,1,.3,1);white-space:nowrap}.gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--bg-primary);display:flex;align-items:center;justify-content:center;padding:20px;z-index:9999}.gate-box{background-color:var(--bg-panel);border:1px solid var(--border);padding:48px 40px;width:100%;max-width:360px}.gate-logo{display:flex;justify-content:center;margin-bottom:32px}.gate-logo img{height:24px;width:auto}.gate-box form{display:flex;flex-direction:column}.gate-error{display:block;font-size:11px;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#f87171;margin-top:8px}.gmail-guide{margin-top:24px;padding-top:20px;border-top:1px solid var(--border-subtle);padding-left:16px;display:flex;flex-direction:column;gap:8px;color:var(--text-muted);font-size:12px;line-height:1.6}.gmail-guide strong{color:var(--text-secondary);font-weight:600}.page-footer{border-top:1px solid var(--border);padding:20px 32px;display:flex;align-items:center;justify-content:center}.page-footer p{font-size:11px;font-family:Helvetica Now Text,Helvetica Neue,Helvetica,Arial,monospace;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.page-footer a{color:var(--accent);text-decoration:none}.page-footer a:hover{color:#fff}@keyframes slideInUp{0%{bottom:-60px;opacity:0}to{bottom:30px;opacity:1}}