:root{--bg: #0f172a;--panel: #ffffff;--ink: #1e293b;--muted: #64748b;--blue: #2563eb;--green: #16a34a;--red: #dc2626;--amber: #d97706;--border: #e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#f1f5f9;color:var(--ink)}a{color:var(--blue);text-decoration:none}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;background:var(--bg);color:#fff}.topbar .brand{color:#fff;font-weight:700;font-size:18px}.topbar nav{display:flex;gap:10px;align-items:center}.container{max-width:1080px;margin:24px auto;padding:0 20px}.btn{border:none;border-radius:8px;padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{background:transparent;color:#fff;border:1px solid #475569}.container .btn-ghost{color:var(--ink);border-color:var(--border)}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px}.muted{color:var(--muted)}.small{font-size:13px}.error{color:var(--red);background:#fef2f2;padding:10px 12px;border-radius:8px;margin:10px 0}.green{color:var(--green)}.red{color:var(--red)}.amber{color:var(--amber)}.nowrap{white-space:nowrap}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.kpi{text-align:center}.kpi-value{font-size:32px;font-weight:800}.kpi-label{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.5px}.kpi-green .kpi-value{color:var(--green)}.kpi-red .kpi-value{color:var(--red)}.kpi-amber .kpi-value{color:var(--amber)}.kpi-blue .kpi-value{color:var(--blue)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.campaign-card{display:block;color:var(--ink)}.campaign-card:hover{border-color:var(--blue)}.mini-stats{display:flex;gap:14px;margin-top:12px;font-size:14px;font-weight:600}.tag{font-size:12px;padding:3px 9px;border-radius:999px;background:#e2e8f0;color:#475569;text-transform:capitalize}.tag-done,.tag-sent,.tag-delivered,.tag-read{background:#dcfce7;color:#166534}.tag-sending,.tag-queued,.tag-draft{background:#fef9c3;color:#854d0e}.tag-failed{background:#fee2e2;color:#991b1b}.funnel{display:flex;gap:12px;margin:20px 0;flex-wrap:wrap}.step{flex:1;min-width:120px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;text-align:center}.step-value{font-size:28px;font-weight:800}.step-green .step-value{color:var(--green)}.step-red .step-value{color:var(--red)}.step-amber .step-value{color:var(--amber)}.step-blue .step-value{color:var(--blue)}.step-label{color:var(--muted);font-size:13px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border)}.table th,.table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.table th{background:#f8fafc;color:var(--muted);font-weight:600}.link-btn{background:none;border:none;cursor:pointer;font-weight:600;padding:2px 6px}label{display:block;margin:12px 0 5px;font-weight:600;font-size:14px}input,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}textarea{font-family:ui-monospace,monospace}.checkbox{display:flex;align-items:center;gap:8px;font-weight:500}.checkbox input{width:auto}.actions{display:flex;gap:10px}.form-card{max-width:640px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:360px}.login-card h1{margin:0 0 4px;font-size:22px}.login-card .btn{width:100%;margin-top:16px}