:root{--bg:#f6f7f9;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#111827;--danger:#d92d20;--ok:#067647;--warn:#b54708}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:#fff;padding:32px;border-radius:18px;box-shadow:0 15px 50px #00000012}.brand{font-weight:800;font-size:20px}.login-card h1{margin:18px 0 4px;font-size:27px}.login-card p{margin:0 0 26px;color:var(--muted)}label{display:block;font-size:14px;font-weight:600}.login-card label{margin:14px 0}.login-card input{width:100%;margin-top:7px;padding:12px;border:1px solid var(--line);border-radius:9px}.primary,.danger,.ghost{border:0;border-radius:9px;padding:11px 16px;font-weight:700;cursor:pointer}.primary{background:var(--primary);color:#fff}.danger{background:var(--danger);color:#fff}.ghost{background:#fff;border:1px solid var(--line);color:var(--text)}.small{padding:7px 10px;font-size:13px}.login-card .primary{width:100%;margin-top:8px}.error{color:var(--danger);font-size:13px;margin-top:12px}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}.topbar>div{display:flex;gap:12px;align-items:center}.topbar span{color:var(--muted);font-size:14px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 64px)}aside{background:#fff;border-right:1px solid var(--line);padding:22px 12px}.nav{width:100%;text-align:left;border:0;background:transparent;padding:11px 12px;border-radius:8px;margin-bottom:5px;color:#4b5563;cursor:pointer;font-weight:650}.nav.active{background:#f3f4f6;color:#111827}main{padding:30px;max-width:1250px;width:100%;margin:0 auto}.page-head,.section-title,.send-card,.actions-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.page-head{margin-bottom:20px}.page-head h1{margin:0;font-size:27px}.page-head p,.muted{color:var(--muted)}.page-head p{margin:5px 0 0}.card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:20px;margin-bottom:18px}.dropzone{display:flex;flex-direction:column;gap:5px;padding:28px;border:1.5px dashed #c7cbd1;border-radius:12px;cursor:pointer;background:#fafafa}.dropzone span{font-weight:400;color:var(--muted);font-size:13px}.dropzone input{margin-top:10px}.file-name{min-height:18px;margin:10px 0;color:var(--muted);font-size:14px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.stat .n{font-size:26px;font-weight:800}.stat .l{color:var(--muted);font-size:12px;margin-top:5px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card h3{margin:0 0 12px}.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f1f2f4}.chips{display:flex;gap:7px;flex-wrap:wrap;max-height:170px;overflow:auto}.chip{font-size:12px;padding:6px 8px;border-radius:7px;background:#fff4e5;color:#93370d}.channels{display:flex;gap:14px;align-items:center}.channels label{display:flex;gap:6px;align-items:center}.badge{background:#f3f4f6;border-radius:999px;padding:6px 10px;font-size:12px}.inline-form{display:flex;gap:12px;align-items:center}.section-title input{max-width:300px;width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap}th{color:#6b7280;font-size:12px;text-transform:uppercase;letter-spacing:.02em}.status{display:inline-block;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:800}.SENT,.COMPLETED{background:#ecfdf3;color:var(--ok)}.FAILED,.PARTIAL_FAILED{background:#fef3f2;color:#b42318}.QUEUED,.SENDING{background:#fffaeb;color:var(--warn)}.NOT_QUEUED,.PROCESSED{background:#f2f4f7;color:#475467}#toast{position:fixed;right:20px;top:80px;z-index:20;background:#111827;color:#fff;padding:11px 15px;border-radius:9px;display:none;box-shadow:0 10px 30px #0002}.actions-row{justify-content:flex-end;margin:10px 0}.send-card{margin-top:18px}
@media(max-width:850px){.shell{grid-template-columns:1fr}aside{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:8px}.nav{width:auto;white-space:nowrap;margin:0 4px}.stats{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}main{padding:18px}.send-card,.page-head,.section-title{align-items:flex-start;flex-direction:column}.channels{flex-wrap:wrap}.topbar{padding:0 14px}}
.system-banner{position:sticky;top:0;z-index:999;padding:10px 16px;text-align:center;font-weight:700;background:#fff4d6;border-bottom:1px solid #e7c15e;color:#6d5200}.system-banner.ok{background:#eaf8ee;border-color:#8ed29f;color:#145f2c}.system-banner.bad{background:#fff0f0;border-color:#df9898;color:#8b1d1d}