:root {
  --sw-primary: #00b6e6;
  --sw-dark: #152630;
  --sw-bg: #f9f9fb;
  --sw-text: #434549;
  --sw-border: #e3e7eb;
  --sw-danger: #c0392b;
  --sw-ok: #1e8e3e;
  --sw-warn: #b36b00;
  --sw-card: #ffffff;
  --sw-muted: #6b7280;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: linear-gradient(180deg, #eef7fb 0%, var(--sw-bg) 220px);
  color: var(--sw-text);
  min-height: 100vh;
}

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

.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--sw-dark);
  color: #fff;
  padding: 1.5rem 1rem;
}
.brand { font-weight: 700; font-size: 1.1rem; margin-bottom: 1.5rem; line-height: 1.3; }
.brand span { color: var(--sw-primary); display: block; font-size: .8rem; font-weight: 500; }
.nav a {
  display: block;
  color: #d7e2ea;
  padding: .65rem .75rem;
  border-radius: 8px;
  margin-bottom: .25rem;
  text-decoration: none;
}
.nav a:hover, .nav a.active { background: rgba(0,182,230,.18); color: #fff; }

.main { padding: 1.5rem 2rem 3rem; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; gap: 1rem; }
.topbar h1 { margin: 0; font-size: 1.5rem; color: var(--sw-dark); }
.muted { color: var(--sw-muted); font-size: .9rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.card {
  background: var(--sw-card);
  border: 1px solid var(--sw-border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}
.card .label { font-size: .8rem; color: var(--sw-muted); margin-bottom: .35rem; }
.card .value { font-size: 1.35rem; font-weight: 700; color: var(--sw-dark); text-align: right; }
.card.budget .bar { height: 8px; background: #e8eef2; border-radius: 999px; margin-top: .75rem; overflow: hidden; }
.card.budget .bar > i { display: block; height: 100%; background: var(--sw-primary); }

.panel {
  background: var(--sw-card);
  border: 1px solid var(--sw-border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.panel h2 { margin: 0 0 1rem; font-size: 1.1rem; color: var(--sw-dark); }

table { width: 100%; border-collapse: collapse; }
th, td { padding: .7rem .5rem; border-bottom: 1px solid var(--sw-border); text-align: left; font-size: .92rem; }
th { color: var(--sw-muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: #f7fbfd; }

.btn {
  display: inline-block;
  border: 0;
  border-radius: 8px;
  padding: .55rem 1rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--sw-primary);
  color: #fff;
  font-size: .92rem;
}
.btn:hover { filter: brightness(.95); }
.btn.secondary { background: #e8eef2; color: var(--sw-dark); }
.btn.danger { background: var(--sw-danger); }
.btn.small { padding: .35rem .7rem; font-size: .8rem; }

.form-grid { display: grid; gap: 1rem; max-width: 720px; }
.form-row { display: grid; gap: .35rem; }
.form-row.inline { grid-template-columns: 1fr 1fr; gap: 1rem; }
label { font-weight: 600; font-size: .88rem; color: var(--sw-dark); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=url], select, textarea {
  width: 100%;
  border: 1px solid var(--sw-border);
  border-radius: 8px;
  padding: .65rem .75rem;
  font: inherit;
  background: #fff;
}
textarea { min-height: 100px; resize: vertical; }
.help { font-size: .8rem; color: var(--sw-muted); }

.flash { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash.ok { background: #e8f8ee; color: var(--sw-ok); }
.flash.error { background: #fdecea; color: var(--sw-danger); }
.flash.warn { background: #fff6e5; color: var(--sw-warn); }

.badge { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge.ok { background: #e8f8ee; color: var(--sw-ok); }
.badge.error { background: #fdecea; color: var(--sw-danger); }
.badge.active { background: #e6f7fc; color: #087a9c; }
.badge.disabled { background: #eee; color: #666; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card {
  width: min(420px, 100%);
  background: #fff;
  border: 1px solid var(--sw-border);
  border-radius: 14px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(21,38,48,.06);
}
.login-card h1 { margin: 0 0 .25rem; color: var(--sw-dark); }
.key-reveal {
  background: #102029;
  color: #9fe3f5;
  padding: 1rem;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
  margin: 1rem 0;
}
.footer {
  margin-top: 2rem;
  color: var(--sw-muted);
  font-size: .8rem;
}
.footer a { color: var(--sw-primary); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { padding-bottom: .5rem; }
  .nav { display: flex; flex-wrap: wrap; gap: .25rem; }
  .nav a { margin: 0; }
  .main { padding: 1rem; }
  .form-row.inline { grid-template-columns: 1fr; }
}