:root{color:#18212f;background:#f6f7f9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select,textarea{font:inherit}button{border:1px solid #d8dde6;background:#fff;color:#1f2937;border-radius:6px;min-height:38px;padding:8px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}button:hover{border-color:#9aa8bc}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{width:100%;border:1px solid #d8dde6;border-radius:6px;padding:10px 12px;color:#18212f;background:#fff}textarea{resize:vertical;line-height:1.6}label{display:grid;gap:8px;color:#516070;font-size:14px}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px minmax(0,1fr)}.sidebar{background:#111827;color:#fff;padding:20px 16px;display:flex;flex-direction:column;gap:22px}.brand{display:flex;align-items:center;gap:12px}.brand.large{margin-bottom:18px}.brand strong{display:block;font-size:17px}.brand span{color:#94a3b8;font-size:13px}.brand-mark{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;background:#2dbb7f;color:#08111f;font-weight:800}.sidebar nav{display:grid;gap:6px}.nav-item{width:100%;justify-content:flex-start;background:transparent;color:#cbd5e1;border-color:transparent}.nav-item:hover,.nav-item.active{background:#1f2937;color:#fff;border-color:#334155}.logout{margin-top:auto}.main{min-width:0;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar p{margin:0 0 4px;color:#667085}.topbar h1{margin:0;font-size:28px;line-height:1.2}.user-chip{border:1px solid #d8dde6;border-radius:999px;background:#fff;padding:8px 14px}.page-grid{display:grid;gap:18px}.metric-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.metric,.panel,.login-panel{background:#fff;border:1px solid #e3e7ee;border-radius:8px;box-shadow:0 8px 20px #1118270d}.metric{padding:18px;display:grid;gap:10px}.metric span,.muted-text,small{color:#667085}.metric strong{font-size:24px}.panel{padding:18px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.panel h2,.panel h3{margin:0}.two-column{display:grid;grid-template-columns:minmax(360px,.9fr) minmax(360px,1.1fr);gap:18px;align-items:start}.stack-form{display:grid;gap:14px}.primary-button{background:#176bff;color:#fff;border-color:#176bff}.primary-button:hover{background:#0f58d6;border-color:#0f58d6}.download-button{min-height:40px;border:1px solid #176bff;background:#fff;color:#176bff;border-radius:6px;padding:8px 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;margin-bottom:10px}.download-button:hover{background:#eef5ff}.download-button.disabled,.download-button:disabled{opacity:.65;cursor:not-allowed;background:#fff}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}.segmented button.selected{color:#0f58d6;border-color:#176bff;background:#eef5ff}.switch-row{display:flex;align-items:center;gap:10px;color:#18212f}.switch-row input{width:18px;height:18px}.preview-box{min-height:150px;border:1px dashed #aab6c8;border-radius:8px;padding:14px;background:#f8fafc;margin-bottom:16px;white-space:pre-wrap}.preview-box p{margin:8px 0 0;line-height:1.7}.table,.compact-list,.task-list{display:grid;gap:10px}.table-row,.compact-row,.task-item{border:1px solid #e3e7ee;border-radius:8px;padding:12px;background:#fff}.table-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px}.compact-row{display:grid;gap:6px}.compact-row p{margin:0;color:#334155;white-space:pre-wrap}.row-actions{display:flex;gap:8px;align-items:center}.status{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:4px 10px;font-size:13px;background:#eef2f7;color:#475467}.status.success,.status.completed{background:#e7f8ee;color:#137a45}.status.failed{background:#fff0f0;color:#c03535}.status.sending,.status.pending{background:#eef5ff;color:#0f58d6}.status.cancelled,.status.muted{background:#f2f4f7;color:#667085}.task-item{display:grid;gap:12px}.task-top,.delivery-summary{display:flex;align-items:center;justify-content:space-between;gap:12px}.task-top strong,.task-top small{display:block}.task-item p{margin:0;white-space:pre-wrap;line-height:1.7}.delivery-summary{justify-content:flex-start;flex-wrap:wrap;color:#516070}.delivery-summary span{display:inline-flex;align-items:center;gap:6px}.empty,.screen-message{padding:28px;color:#667085;text-align:center}.login-page{min-height:100vh;display:grid;place-items:center;background:#f6f7f9;padding:20px}.login-panel{width:min(420px,100%);padding:24px;display:grid;gap:16px}.toast{position:fixed;right:22px;bottom:22px;max-width:min(420px,calc(100vw - 44px));padding:12px 14px;border-radius:8px;background:#111827;color:#fff;box-shadow:0 12px 28px #11182738}.toast.success{background:#137a45}.toast.error{background:#c03535}.bind-code{margin-top:18px;border:1px solid #c6d7ff;background:#eef5ff;border-radius:8px;padding:18px;display:grid;gap:8px}.bind-code strong{font-size:32px;letter-spacing:4px}.setup-list{margin:0 0 14px;padding-left:22px;color:#516070;line-height:1.7}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:2}.sidebar nav{grid-template-columns:repeat(2,1fr)}.metric-row,.two-column{grid-template-columns:1fr}.table-row,.task-top{grid-template-columns:1fr;align-items:start}}