/* Joinus Referral SaaS - V2-ish UI (readable, no black-on-black) */
:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary2: #1d4ed8;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #f59e0b;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a{ color: var(--primary); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{ max-width: 1120px; margin: 0 auto; padding: 16px; }

.app{
  display:flex;
  min-height:100vh;
}

.sidebar{
  width: 270px;
  background: linear-gradient(180deg, #0b1220 0%, #0f1b33 100%);
  color: #e5e7eb;
  padding: 18px 14px;
  position: sticky;
  top:0;
  height:100vh;
  overflow:auto;
  border-right: 1px solid rgba(255,255,255,.06);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255,255,255,.04);
  margin-bottom: 14px;
}
.brand img{ width:28px; height:28px; }
.brand .title{ font-weight: 700; font-size: 14px; line-height: 1.2; }
.brand .sub{ font-size: 12px; color: rgba(229,231,235,.75); }

.nav{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top: 10px;
}
.nav a{
  color:#e5e7eb;
  padding:10px 12px;
  border-radius: 12px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.nav a:hover{
  background: rgba(255,255,255,.06);
  text-decoration:none;
}
.nav a.active{
  background: rgba(37,99,235,.20);
  border: 1px solid rgba(37,99,235,.25);
}
.nav small{ color: rgba(229,231,235,.7); }

.sidebar .footer{
  margin-top: 18px;
  padding: 12px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px;
  color: rgba(229,231,235,.72);
}
.sidebar .footer .powered{ margin-top: 6px; }
.sidebar .footer .copyright{ margin-top: 2px; }

.main{
  flex:1;
}

.topbar{
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 12px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position: sticky;
  top:0;
  z-index: 10;
}

.role-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
}

.content{ padding: 18px; }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(17,24,39,.06);
}
.card .card-h{
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.card .card-b{ padding: 14px 16px; }

.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
@media (max-width: 980px){
  .sidebar{ display:none; }
  .grid-2,.grid-3{ grid-template-columns: 1fr; }
}

.kpi{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.kpi .n{ font-size: 22px; font-weight: 800; }
.kpi .l{ font-size: 12px; color: var(--muted); }

.badge{
  display:inline-block;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background:#fff;
  color: var(--muted);
}
.badge.success{ border-color: rgba(22,163,74,.3); color: #15803d; background: rgba(22,163,74,.08); }
.badge.danger{ border-color: rgba(220,38,38,.3); color: #b91c1c; background: rgba(220,38,38,.08); }
.badge.warning{ border-color: rgba(245,158,11,.3); color: #92400e; background: rgba(245,158,11,.10); }

.table{
  width:100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th,.table td{
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  text-align:left;
  vertical-align: top;
}
.table th{ background: #f3f4f6; font-weight: 700; color:#111827; }
.table tr:hover td{ background: #fafafa; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], textarea, select{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  background: #fff;
  color: #111827;
  outline:none;
}
textarea{ min-height: 120px; resize: vertical; }

.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
@media (max-width: 980px){ .form-row, .form-row-3{ grid-template-columns:1fr; } }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor:pointer;
}
.btn:hover{ background: var(--primary2); }
.btn.secondary{ background:#111827; }
.btn.secondary:hover{ background:#0b1020; }
.btn.ghost{ background: transparent; border-color: var(--border); color:#111827; }
.btn.danger{ background: var(--danger); }
.btn.warning{ background: var(--warning); color:#111827; }
.btn.small{ padding: 7px 10px; font-size: 12px; border-radius: 10px; }

.alert{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
}
.alert.success{ background: rgba(22,163,74,.08); border-color: rgba(22,163,74,.25); color:#166534; }
.alert.danger{ background: rgba(220,38,38,.08); border-color: rgba(220,38,38,.25); color:#991b1b; }
.alert.info{ background: rgba(37,99,235,.08); border-color: rgba(37,99,235,.25); color:#1e40af; }
.alert.warning{ background: rgba(245,158,11,.14); border-color: rgba(245,158,11,.35); color:#92400e; }

.muted{ color: var(--muted); }
.small{ font-size: 12px; }
hr{ border:0; border-top:1px solid var(--border); margin: 12px 0; }

.hero{
  padding: 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(37,99,235,.14) 0%, rgba(99,102,241,.10) 100%);
  border: 1px solid rgba(37,99,235,.18);
}

.copybox{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed #c7d2fe;
  background: #eef2ff;
  color: #1e3a8a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  overflow:auto;
}