:root{color:#17202a;font-synthesis:none;text-rendering:optimizelegibility;background:#eef2f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:#eef2f5;min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed;opacity:.6}.login-shell{background:linear-gradient(#ffffffb8,#eef2f5f2),#eef2f5;place-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{background:#fff;border:1px solid #d8e0e7;border-radius:8px;width:min(460px,100%);padding:28px;box-shadow:0 18px 40px #2233451f}.brand-line{align-items:center;gap:14px;margin-bottom:26px;display:flex}.brand-line.compact{margin-bottom:28px}.brand-mark{color:#fff;background:#155e75;border-radius:8px;place-items:center;width:44px;height:44px;display:grid}h1,h2,h3,p{margin:0}h1,h2{letter-spacing:0;font-size:22px;font-weight:760}h3{letter-spacing:0;font-size:17px;font-weight:720}.brand-line p,.control-strip p,.metric small,.template-list-item small{color:#6a7785}.app-shell{grid-template-columns:248px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{background:#fff;border-right:1px solid #d8e0e7;min-height:100vh;padding:22px 16px}.sidebar nav{gap:6px;display:grid}.sidebar nav button{color:#344252;text-align:left;background:0 0;border-radius:7px;align-items:center;gap:10px;width:100%;min-height:42px;padding:10px 12px;display:flex}.sidebar nav button:hover,.sidebar nav button.active{color:#0f3f4f;background:#e6f2f5}.workspace{grid-template-rows:auto auto 1fr;gap:16px;min-width:0;padding:22px;display:grid}.topbar,.control-strip,.section-head,.topbar-actions{align-items:center;display:flex}.topbar{justify-content:space-between;gap:16px;min-height:62px}.topbar-actions{gap:8px}.eyebrow{color:#6a7785;letter-spacing:0;text-transform:uppercase;margin-bottom:4px;font-size:12px;font-weight:700}label{color:#405062;gap:6px;font-size:13px;font-weight:650;display:grid}input,select,textarea{color:#17202a;background:#fff;border:1px solid #cfd9e2;border-radius:7px;outline:none;width:100%;min-height:38px;padding:8px 10px}textarea{resize:vertical;min-height:96px;line-height:1.45}input:focus,select:focus,textarea:focus{border-color:#17809c;box-shadow:0 0 0 3px #17809c24}.login-form,.dense-form,.content-grid,.single-panel{gap:14px;display:grid}.dense-form,.table-section,.control-strip,.single-panel{background:#fff;border:1px solid #d8e0e7;border-radius:8px;padding:18px}.section-head{justify-content:space-between;gap:12px}.section-head button,.toggle-button,.primary-button,.icon-button{border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:38px;padding:8px 12px;display:inline-flex}.primary-button{color:#fff;background:#155e75}.primary-button:hover{background:#0f4e61}.toggle-button,.section-head button,.icon-button{color:#193342;background:#e9eef3}.toggle-button:hover,.section-head button:hover,.icon-button:hover{background:#dfe7ed}.icon-button{width:38px;padding:0}.alert{border-radius:7px;justify-content:space-between;align-items:center;gap:12px;min-height:42px;padding:10px 12px;font-weight:650;display:flex}.alert button{background:#ffffff80;border-radius:6px;place-items:center;width:28px;height:28px;display:grid}.alert.success{color:#15513b;background:#dff4eb}.alert.error{color:#8f1d2a;background:#fbe3e7}.control-strip{justify-content:space-between;gap:16px}.metric-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.metric{background:#fff;border:1px solid #d8e0e7;border-radius:8px;gap:6px;min-height:104px;padding:16px;display:grid}.metric span{color:#5e6b78;font-size:13px;font-weight:700}.metric strong{letter-spacing:0;font-size:30px;line-height:1}.metric.danger strong{color:#b42334}.split-layout{grid-template-columns:minmax(220px,280px) minmax(0,1fr);gap:16px;display:grid}.list-panel{align-content:start;gap:8px;display:grid}.template-list-item{color:#17202a;text-align:left;background:#fff;border:1px solid #d8e0e7;border-radius:8px;gap:4px;min-height:64px;padding:12px;display:grid}.template-list-item.selected,.template-list-item:hover{background:#eef8fa;border-color:#17809c}.editor-panel{min-width:0}.form-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.form-row.three{grid-template-columns:repeat(3,minmax(0,1fr))}.checkbox-label{align-items:center;gap:8px;min-height:38px;display:flex}.checkbox-label input{width:18px;min-height:18px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;min-width:760px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid #e4eaf0;padding:11px 10px}th{color:#5e6b78;text-transform:uppercase;font-size:12px;font-weight:760}td{color:#243241;font-size:14px}.status{color:#344252;white-space:nowrap;background:#edf1f5;border-radius:999px;align-items:center;min-height:24px;padding:3px 9px;font-size:12px;font-weight:750;display:inline-flex}.status.sent{color:#15513b;background:#dff4eb}.status.failed{color:#8f1d2a;background:#fbe3e7}.status.sending,.status.scheduled,.status.pending{color:#774b00;background:#fff0c2}.status.disabled,.status.skipped{color:#5e6b78;background:#edf1f5}.error-cell{color:#8f1d2a;overflow-wrap:anywhere;max-width:280px}@media (width<=980px){.app-shell{grid-template-columns:1fr}.sidebar{border-bottom:1px solid #d8e0e7;border-right:0;min-height:auto}.sidebar nav{grid-template-columns:repeat(5,minmax(0,1fr))}.sidebar nav button{justify-content:center}.sidebar nav button svg{flex-shrink:0}.split-layout,.metric-row,.form-row,.form-row.three{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:stretch}.topbar-actions{align-items:end}}@media (width<=640px){.workspace{padding:14px}.sidebar nav{grid-template-columns:1fr 1fr}.sidebar nav button{justify-content:flex-start}.topbar-actions{flex-wrap:wrap;align-items:stretch}.icon-button{width:38px}.control-strip{flex-direction:column;align-items:stretch}}