:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #687083;
  --border: #e5e8f0;
  --primary: #111827;
  --accent: #2563eb;
  --success: #047857;
  --danger: #b91c1c;
  --warning: #b45309;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 28px 18px; }
.nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 18px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.logo { font-weight: 800; color: var(--primary); letter-spacing: -0.03em; font-size: 22px; }
.nav-links a { margin-left: 14px; color: var(--muted); font-size: 14px; }
.hero {
  padding: 52px 0 28px;
}
.hero h1 { font-size: 44px; line-height: 1.06; margin: 0 0 16px; letter-spacing: -0.04em; }
.hero p { font-size: 18px; color: var(--muted); max-width: 760px; line-height: 1.6; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}
.card h3 { margin-top: 0; }
.card p, .muted { color: var(--muted); line-height: 1.55; }
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: white;
  font-weight: 650;
  cursor: pointer;
}
.btn.secondary { background: white; color: var(--primary); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.success { background: var(--success); border-color: var(--success); }
.btn.warning { background: var(--warning); border-color: var(--warning); }
.form {
  max-width: 760px;
}
label { display: block; margin: 14px 0 6px; font-weight: 650; }
input, textarea, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  background: white;
}
textarea { min-height: 110px; resize: vertical; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.badge {
  display: inline-block; padding: 4px 8px; border-radius: 999px;
  background: #eef2ff; color: #3730a3; font-size: 12px; font-weight: 700;
}
.badge.pending, .badge.open { background: #fffbeb; color: #92400e; }
.badge.confirmed, .badge.approved, .badge.resolved { background: #ecfdf5; color: #065f46; }
.badge.rejected, .badge.denied { background: #fef2f2; color: #991b1b; }
.badge.escalated { background: #fff7ed; color: #9a3412; }
.flash { padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; background: #eff6ff; border: 1px solid #bfdbfe; }
.audit {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
}
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.footer { color: var(--muted); font-size: 13px; margin-top: 40px; }
@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav-inner { align-items: flex-start; flex-direction: column; }
  .nav-links a { margin-left: 0; margin-right: 12px; display: inline-block; margin-bottom: 8px; }
}


/* v1.2 Mobile UI Upgrade */
.page-title {
  margin-bottom: 8px;
}

.link-box {
  background: #f8fafc;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  overflow-wrap: anywhere;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
}

.audit-table {
  table-layout: fixed;
}

.audit-table th:nth-child(1),
.audit-table td:nth-child(1) { width: 190px; }

.audit-table th:nth-child(2),
.audit-table td:nth-child(2) { width: 160px; }

.audit-table th:nth-child(3),
.audit-table td:nth-child(3) { width: auto; }

.audit-table th:nth-child(4),
.audit-table td:nth-child(4) { width: 165px; }

.hash-compact {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 6px;
  font-size: 12px;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.copy-small {
  margin-left: 6px;
  padding: 5px 8px;
  font-size: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: white;
  color: var(--primary);
  cursor: pointer;
}

.mobile-note {
  display: none;
}

@media (max-width: 760px) {
  .container {
    padding: 16px 10px 90px;
  }

  .card {
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
  }

  .hero {
    padding: 28px 0 16px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero p {
    font-size: 16px;
  }

  h1 {
    font-size: 30px;
    line-height: 1.15;
  }

  h3 {
    font-size: 20px;
  }

  .btn {
    width: 100%;
    text-align: center;
    margin-bottom: 8px;
    padding: 12px 14px;
  }

  .actions {
    display: block;
  }

  .nav-links a {
    font-size: 13px;
  }

  .mobile-note {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin: 6px 0 12px;
  }

  .audit-table,
  .audit-table tbody,
  .audit-table tr,
  .audit-table td {
    display: block;
    width: 100% !important;
  }

  .audit-table thead {
    display: none;
  }

  .audit-table tr {
    background: white;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    margin-bottom: 12px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.03);
  }

  .audit-table td {
    border-bottom: 0;
    padding: 6px 0;
  }

  .audit-table td::before {
    content: attr(data-label);
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 3px;
  }

  .hash-compact {
    display: block;
    font-size: 12px;
    line-height: 1.35;
  }

  .copy-small {
    width: 100%;
    margin-left: 0;
    margin-top: 8px;
  }

  table:not(.audit-table) {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

.badge.sent { background: #ecfdf5; color: #065f46; }
.badge.failed { background: #fef2f2; color: #991b1b; }
.badge.disabled, .badge.skipped { background: #f3f4f6; color: #374151; }
.badge.warning { background: #fffbeb; color: #92400e; }