:root{--bg:#f6f7f9;--panel:#fff;--ink:#0f172a;--muted:#64748b;--border:#e5e7eb;--brand:#4f46e5;--green:#16a34a;--green-bg:#dcfce7;--red:#dc2626;--red-bg:#fee2e2;--amber:#d97706;--amber-bg:#fef3c7;--blue:#2563eb;--blue-bg:#dbeafe;--sidebar:#0f172a;--sidebar-ink:#cbd5e1;--sidebar-active:#1e293b;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar);color:var(--sidebar-ink);display:flex;flex-direction:column;padding:20px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar .brand{color:#fff;font-weight:800;font-size:18px;letter-spacing:-.02em;padding:6px 10px 18px}.sidebar .brand small{display:block;font-weight:500;font-size:11px;color:#64748b;letter-spacing:.12em;text-transform:uppercase;margin-top:2px}.sidebar nav{display:flex;flex-direction:column;gap:3px;flex:1 1}.sidebar nav a{color:var(--sidebar-ink);padding:10px 12px;border-radius:9px;font-weight:500}.sidebar nav a:hover{background:var(--sidebar-active);color:#fff;text-decoration:none}.sidebar nav a.active{background:var(--brand);color:#fff}.sidebar .bottom{border-top:1px solid #1e293b;padding-top:12px;margin-top:12px}.sidebar .bottom button{width:100%}.main{flex:1 1;min-width:0}.main-inner{max-width:920px;margin:0 auto;padding:32px 28px 80px}.page-title{margin:0 0 20px;font-size:24px;font-weight:700;letter-spacing:-.02em}.center-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:420px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.card h2{margin:0 0 14px;font-size:16px;font-weight:650}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:14px;gap:14px;margin-bottom:18px}.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.stat .label{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.stat .value{font-size:30px;font-weight:750;margin-top:6px;letter-spacing:-.02em}label{display:block;font-size:13px;font-weight:600;color:#334155;margin:0 0 5px}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font:inherit;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12)}textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.5}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:9px;border:1px solid var(--brand);background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer}.btn:hover{filter:brightness(1.07);text-decoration:none}.btn.secondary{background:#fff;color:var(--ink);border-color:var(--border)}.btn.secondary:hover{background:#f8fafc;filter:none}.btn.danger{background:#fff;color:var(--red);border-color:#fecaca}.btn.danger:hover{background:#fef2f2;filter:none}.btn.small{padding:6px 12px;font-size:13px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em}tbody tr:hover{background:#f8fafc}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.active,.badge.sent{background:var(--green-bg);color:var(--green)}.badge.draft{background:#f1f5f9;color:var(--muted)}.badge.sending{background:var(--blue-bg);color:var(--blue)}.badge.paused{background:var(--amber-bg);color:var(--amber)}.badge.bounced,.badge.complained,.badge.failed,.badge.unsubscribed{background:var(--red-bg);color:var(--red)}.notice{padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;font-weight:500}.notice.ok{background:var(--green-bg);color:#166534}.notice.err{background:var(--red-bg);color:#991b1b}.notice.info{background:var(--blue-bg);color:#1e40af}.checklist{list-style:none;margin:0;padding:0}.checklist li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.checklist li:last-child{border-bottom:0}.checklist .ico{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}.checklist .ico.done{background:var(--green-bg);color:var(--green)}.checklist .ico.todo{background:#f1f5f9;color:var(--muted)}.checklist .txt{flex:1 1}.checklist .txt b{display:block}.checklist .txt span{color:var(--muted);font-size:13px}.muted{color:var(--muted)}.small{font-size:13px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1 1}.preview-frame{width:100%;height:520px;border:1px solid var(--border);border-radius:10px;background:#fff}code{background:#f1f5f9;padding:1px 6px;border-radius:5px;font-size:13px}@media (max-width:760px){.app{flex-direction:column}.sidebar{width:auto;height:auto;position:static;flex-direction:row;align-items:center;padding:10px;gap:6px;overflow-x:auto}.sidebar .brand{padding:6px 10px}.sidebar .brand small{display:none}.sidebar nav{flex-direction:row;gap:4px}.sidebar .bottom{border-top:0;margin:0;padding:0}.sidebar .bottom button{width:auto}.main-inner{padding:20px 16px 60px}}