:root{--color-bg:#f2f5f7;--color-surface:#fff;--color-surface-muted:#e9f2f6;--color-border:#d6e2e8;--color-navy:#1b1464;--color-navy-2:#28285b;--color-blue:#2180a6;--color-accent:#fd8d3f;--color-accent-dark:#e67322;--color-text:#28285b;--color-text-muted:#707070;--color-success:#2e7d46;--color-success-bg:#e7f5eb;--color-danger:#c23b3b;--color-danger-bg:#fbe9e9;--font-display:"Raleway", system-ui, sans-serif;--font-body:"Raleway", system-ui, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", Consolas, monospace;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--shadow-card:0 1px 2px #1b14640f, 0 8px 24px -12px #1b146424;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;margin:0}button{font-family:inherit}a{color:var(--color-blue)}::selection{background:var(--color-accent);color:#fff}.app-shell{grid-template-columns:248px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--color-navy);color:#eef1fb;flex-direction:column;height:100vh;padding:28px 20px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar:after{content:"";background:linear-gradient(180deg, var(--color-accent), transparent 70%);width:3px;height:100%;position:absolute;top:0;right:0}.brand{font-family:var(--font-display);letter-spacing:.01em;color:#fff;margin-bottom:2px;font-size:18px;font-weight:700}.brand-sub{font-family:var(--font-mono);color:#8b96c2;letter-spacing:.04em;text-transform:uppercase;margin-bottom:32px;font-size:11px}.nav-links{flex-direction:column;gap:4px;display:flex}.nav-link{border-radius:var(--radius-sm);color:#c3cbe8;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-link:hover{color:#fff;background:#ffffff0f}.nav-link.active{background:var(--color-accent);color:#fff}.nav-badge{font-family:var(--font-mono);opacity:.8;margin-left:auto;font-size:11px}.sidebar-footer{color:#6c78a3;margin-top:auto;font-size:11px;line-height:1.6}.main{max-width:1100px;padding:36px 44px}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px;display:flex}.page-title{font-family:var(--font-display);color:var(--color-navy);margin:0 0 6px;font-size:26px;font-weight:700}.page-subtitle{color:var(--color-text-muted);max-width:60ch;margin:0;font-size:14px}.btn{cursor:pointer;font-size:14px;font-weight:600;font-family:var(--font-body);border:none;border-radius:999px;align-items:center;gap:8px;padding:10px 18px;transition:transform 80ms,box-shadow .15s,background .15s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-dark)}.btn-primary:disabled{cursor:not-allowed;background:#e7c1b1}.btn-secondary{background:var(--color-surface);color:var(--color-navy);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-blue);color:var(--color-blue)}.btn-ghost{color:var(--color-text-muted);background:0 0;padding:8px 10px}.btn-ghost:hover{color:var(--color-danger)}.btn-sm{padding:6px 12px;font-size:13px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.template-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.template-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);color:inherit;flex-direction:column;gap:10px;padding:20px;text-decoration:none;transition:border-color .15s,transform .15s;display:flex;position:relative}.template-card:hover{border-color:var(--color-blue);transform:translateY(-2px)}.stamp{border:2px dashed var(--color-border);width:40px;height:40px;font-family:var(--font-mono);color:var(--color-text-muted);border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:flex;position:absolute;top:16px;right:16px}.template-card-name{font-family:var(--font-display);color:var(--color-navy);padding-right:44px;font-size:16px;font-weight:600}.template-card-subject{color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.template-card-meta{font-family:var(--font-mono);color:#8891ac;margin-top:auto;font-size:11px}.empty-state{border:1px dashed var(--color-border);border-radius:var(--radius-lg);text-align:center;color:var(--color-text-muted);padding:48px 24px}.field{margin-bottom:18px}.field label{color:var(--color-navy);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field-hint{color:var(--color-text-muted);margin-top:4px;font-size:12px}input[type=text],input[type=email],textarea,select{border:1px solid var(--color-border);border-radius:var(--radius-sm);width:100%;font-size:14px;font-family:var(--font-body);background:var(--color-surface);color:var(--color-text);padding:10px 12px}input[type=text]:focus,input[type=email]:focus,textarea:focus,select:focus{outline:2px solid var(--color-blue);outline-offset:1px;border-color:var(--color-blue)}textarea.code{font-family:var(--font-mono);font-size:12.5px;line-height:1.6}.editor-grid{grid-template-columns:1fr 1fr;align-items:start;gap:24px;display:grid}.preview-frame-wrap{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-muted);overflow:hidden}.preview-frame-header{font-family:var(--font-mono);color:var(--color-text-muted);border-bottom:1px solid var(--color-border);background:var(--color-surface);padding:8px 12px;font-size:11px}.token-chip{font-family:var(--font-mono);background:var(--color-surface-muted);border:1px solid var(--color-border);color:var(--color-blue);cursor:pointer;border-radius:999px;align-items:center;margin:2px 4px 2px 0;padding:3px 8px;font-size:11.5px;display:inline-flex}.token-chip:hover{border-color:var(--color-blue)}.recipient-row{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);grid-template-columns:1fr auto;align-items:start;gap:12px;margin-bottom:12px;padding:14px;display:grid}.recipient-var-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin-top:10px;display:grid}.recipient-var-grid label{font-family:var(--font-mono);color:var(--color-text-muted);margin-bottom:3px;font-size:10.5px}.badge{border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-muted{background:var(--color-surface-muted);color:var(--color-text-muted)}table.logs{border-collapse:collapse;width:100%;font-size:13.5px}table.logs th{text-align:left;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);padding:10px 14px;font-size:11px}table.logs td{border-bottom:1px solid var(--color-surface-muted);vertical-align:top;padding:12px 14px}table.logs tr:hover td{background:var(--color-surface-muted)}.banner{border-radius:var(--radius-md);align-items:center;gap:10px;margin-bottom:20px;padding:12px 16px;font-size:13.5px;display:flex}.banner-danger{background:var(--color-danger-bg);color:var(--color-danger);border:1px solid #f0c2c2}.banner-success{background:var(--color-success-bg);color:var(--color-success);border:1px solid #c3e6cc}@media (width<=860px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;align-items:center;height:auto;padding:14px 18px;top:0}.brand-sub{display:none}.nav-links{flex-direction:row}.sidebar-footer{display:none}.main{padding:24px}.editor-grid{grid-template-columns:1fr}}