:root{
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel2: #f3f4f6;
  --border: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --primary: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
}
*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a{ color: var(--primary); text-decoration:none; }
.app{
  display:grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.sidebar{
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
  border-right: 1px solid var(--border);
  padding: 18px 14px;
}
.brand{
  font-weight: 900;
  letter-spacing: .2px;
  margin: 4px 6px 14px;
}
.nav{
  display:flex; flex-direction:column; gap:6px;
}
.nav .section{
  margin: 14px 6px 6px;
  font-size:12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.nav a{
  display:flex; gap:10px; align-items:center;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
}
.nav a:hover{ border-color: var(--border); background: rgba(243,244,246,.9); }
.content{
  padding: 22px 18px 34px;
}
.topbar{
  display:flex;
  justify-content: space-between;
  align-items:center;
  margin-bottom: 14px;
}
.title{
  font-size: 18px;
  font-weight: 900;
  margin:0;
}
.subtitle{ color: var(--muted); font-size:13px; margin-top:4px; }
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.row2{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; }
.row3{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap:14px; }
label{ display:block; margin: 12px 0 6px; color:#374151; font-size:13px; }
input, select, textarea{
  width:100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
}
textarea{ min-height: 120px; resize: vertical; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 12px;
  border-radius: 10px;
  border: 0;
  background: var(--primary);
  color: white;
  font-weight: 800;
  cursor: pointer;
}
.btn-ghost{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-weight: 700;
}
.btn-danger{ background: var(--danger); }
.stack{ display:flex; gap:10px; flex-wrap: wrap; }
.alert{
  padding: 10px 12px;
  border-radius: 10px;
  margin: 12px 0;
  border: 1px solid var(--border);
}
.alert-ok{ background:#ecfdf5; border-color:#a7f3d0; color:#065f46; }
.alert-err{ background:#fef2f2; border-color:#fecaca; color:#991b1b; }
.pill{
  display:inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
}
.pill.SENT{ background:#ecfdf5; border-color:#a7f3d0; color:#065f46; }
.pill.FAILED{ background:#fef2f2; border-color:#fecaca; color:#991b1b; }
.pill.SCHEDULED{ background:#eff6ff; border-color:#bfdbfe; color:#1d4ed8; }
.pill.IN_PROGRESS{ background:#fffbeb; border-color:#fde68a; color:#92400e; }
table{
  width:100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
th, td{
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}
th{
  text-align:left;
  color: #374151;
  background: var(--panel2);
  position: sticky;
  top: 0;
}
.muted{ color: var(--muted); font-size: 13px; }
.help{ color: var(--muted); font-size: 12px; margin-top: 6px; line-height: 1.35; }
.divider{ height:1px; background: var(--border); margin: 16px 0; }
.section-title{ font-size: 13px; font-weight: 900; margin: 4px 0 10px; letter-spacing: .01em; }
.form-actions{ display:flex; align-items:center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.actions-right{ display:flex; align-items:center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.segmented{
  display:flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow:hidden;
  background: #ffffff;
}
.segmented input{ position:absolute; opacity:0; pointer-events:none; }
.segmented label{
  margin:0;
  padding: 10px 12px;
  cursor:pointer;
  font-weight: 800;
  font-size: 13px;
  color: #374151;
  border-right: 1px solid var(--border);
  user-select:none;
  display:flex; align-items:center; justify-content:center;
  min-width: 120px;
}
.segmented label:last-child{ border-right:0; }
.segmented input:checked + label{
  background: rgba(37, 99, 235, .08);
  color: var(--text);
}
.inline-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: rgba(243,244,246,.7);
  font-size: 12px;
  color: #374151;
}

@media (max-width: 980px){
  .app{ grid-template-columns: 1fr; }
  .sidebar{ border-right:0; border-bottom:1px solid var(--border); }
  .row2, .row3{ grid-template-columns: 1fr; }
}