* { box-sizing: border-box; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  margin: 0; background: #0f172a; color: #e2e8f0;
}
header {
  padding: 1.2rem 2rem; background: #1e293b;
  border-bottom: 2px solid #334155;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
header h1 { margin: 0; font-size: 1.4rem; }
nav a {
  color: #93c5fd; text-decoration: none; margin-left: 1rem;
  padding: .35rem .75rem; border-radius: 6px;
}
nav a.active, nav a:hover { background: #334155; color: #fff; }

main { max-width: 880px; margin: 1.5rem auto; padding: 0 1rem; }

.card {
  background: #1e293b; border: 1px solid #334155;
  border-radius: 10px; padding: 1.25rem 1.5rem; margin-bottom: 1.25rem;
  box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.card h2 { margin-top: 0; color: #f8fafc; }
.hint { color: #94a3b8; font-size: .92rem; }

.db-status {
  margin: .25rem 0 .9rem;
  padding: .45rem .7rem;
  border-radius: 6px;
  font-size: .9rem;
  border: 1px solid #334155;
}
.db-status.loading { background: #1e293b; color: #fde68a; }
.db-status.ok      { background: #064e3b; color: #d1fae5; border-color: #065f46; }
.db-status.fail    { background: #450a0a; color: #fecaca; border-color: #ef4444; }

form label { display: block; margin: .6rem 0; }
form input[type=text], form input:not([type]) {
  width: 100%;
}
input[type=text], input:not([type=radio]):not([type=checkbox]) {
  padding: .55rem .7rem; border-radius: 6px; border: 1px solid #475569;
  background: #0f172a; color: #e2e8f0; font-family: inherit; width: 100%;
}
.mode { border: 1px dashed #475569; padding: .5rem 1rem; border-radius: 8px; margin: .8rem 0; }
.mode legend { padding: 0 .4rem; color: #cbd5e1; }
.mode label { display: inline-block; margin-right: 1rem; }

button {
  background: #2563eb; color: #fff; border: 0; padding: .55rem 1rem;
  border-radius: 6px; font-weight: 600; cursor: pointer; margin-top: .4rem;
}
button:hover { background: #1d4ed8; }

.payloads { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid #334155; }
.payloads button { background: #7c3aed; margin: .25rem .35rem .25rem 0; }
.payloads button:hover { background: #6d28d9; }
.payloads button.danger { background: #b91c1c; }
.payloads button.danger:hover { background: #991b1b; }
.payloads code { background: #0f172a; padding: .1rem .35rem; border-radius: 4px; }

.form-buttons { display: flex; gap: .6rem; flex-wrap: wrap; }
button.secondary {
  background: #334155; color: #e2e8f0;
}
button.secondary:hover { background: #475569; }
button.small { padding: .3rem .6rem; font-size: .85rem; }

.sql-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: .6rem; margin-top: 1rem;
}
.sql-header h3 { margin: 0; }

.data-table {
  width: 100%; border-collapse: collapse; margin: .5rem 0 .25rem;
  font-size: .9rem;
}
.data-table th, .data-table td {
  border: 1px solid #334155; padding: .4rem .6rem; text-align: left;
  vertical-align: top;
}
.data-table th { background: #0b1220; color: #cbd5e1; }
.data-table td { background: #0f172a; color: #e2e8f0; font-family: ui-monospace, Consolas, monospace; }
.data-table tr:hover td { background: #1e293b; }

details { margin-top: 1rem; }
details summary { cursor: pointer; color: #93c5fd; padding: .25rem 0; }
.fail-text { color: #fca5a5; }

pre {
  background: #0b1220; border: 1px solid #334155; padding: .85rem 1rem;
  border-radius: 8px; overflow-x: auto; white-space: pre-wrap; word-break: break-word;
  color: #e2e8f0;
}
pre.good { border-left: 4px solid #22c55e; }
pre.bad  { border-left: 4px solid #ef4444; }
.bad { color: #fca5a5; }
.good { color: #86efac; }

#status { padding: .6rem .8rem; border-radius: 6px; font-weight: 600; }
#status.ok    { background: #064e3b; color: #d1fae5; }
#status.admin {
  background: linear-gradient(90deg, #b45309, #f59e0b);
  color: #1c1917;
  border: 2px solid #fbbf24;
  box-shadow: 0 0 0 3px rgba(251,191,36,.25);
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(251,191,36,.25); }
  50%      { box-shadow: 0 0 0 8px rgba(251,191,36,.10); }
}
#status.fail  {
  background: #450a0a; color: #fecaca;
  border: 1px solid #ef4444;
}
#status.breach {
  background: linear-gradient(90deg, #7f1d1d, #b91c1c);
  color: #fee2e2;
  border: 2px solid #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,.25);
  animation: pulse 1.2s ease-in-out infinite;
}

.diagram {
  display: flex; align-items: center; justify-content: center;
  gap: .75rem; flex-wrap: wrap; margin: 1rem 0;
}
.box {
  background: #0f172a; border: 2px solid #475569;
  padding: .9rem 1rem; border-radius: 10px; min-width: 130px; text-align: center;
}
.box.user { border-color: #38bdf8; }
.box.app  { border-color: #a78bfa; }
.box.db   { border-color: #34d399; }
.box.evil   { border-color: #ef4444; background: #450a0a; }
.box.warn   { border-color: #f59e0b; background: #451a03; }
.box.danger { border-color: #ef4444; background: #450a0a; }
.arrow { font-size: 1.6rem; color: #94a3b8; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.split > div { background: #0f172a; padding: 1rem; border-radius: 8px; border: 1px solid #334155; }
@media (max-width: 720px) { .split { grid-template-columns: 1fr; } }

.check { line-height: 1.7; }
.cta { text-align: center; margin: 2rem 0; }
.cta a { color: #93c5fd; }

#explainBox {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border-radius: 8px;
  background: #0b2545;
  border-left: 4px solid #38bdf8;
}
#explainBox h3 { margin-top: 0; color: #bae6fd; }
#explainBox p { margin: .5rem 0; line-height: 1.5; }
#explainBox code {
  background: #0f172a; padding: .1rem .35rem;
  border-radius: 4px; color: #fde68a;
}

.site-footer {
  margin-top: 2.5rem;
  padding: 1.2rem 0 2rem;
  border-top: 1px solid #334155;
  text-align: center;
  color: #94a3b8;
  font-size: 0.9rem;
}
.site-footer a { color: #93c5fd; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }