:root {
  --bg: #0a0f0c;
  --surface: #121a15;
  --card: #172019;
  --border: #243029;
  --text: #f0fdf4;
  --muted: #a3b8a9;
  --brand: #069E2D;
  --yes: #22c55e;
  --no: #ef4444;
  --warn: #f59e0b;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0,0,0,.25);
  --sidebar: 260px;
}

body.light {
  --bg: #f3faf5;
  --surface: #ffffff;
  --card: #ffffff;
  --border: #d1e7d8;
  --text: #14532d;
  --muted: #3f6b4e;
  --shadow: 0 8px 24px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.sidebar {
  width: var(--sidebar);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand { display: flex; gap: 12px; align-items: center; padding: 8px 10px 24px; }
.brand strong { display: block; font-size: 16px; }
.brand span { color: var(--muted); font-size: 12px; }
.logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: #069E2D;
  display: grid; place-items: center; font-weight: 800; color: white;
}
.logo-img {
  width: 48px; height: 48px; border-radius: 12px; object-fit: cover; display: block;
}
.logo-img.sm { width: 36px; height: 36px; border-radius: 10px; }
.login-card .logo-img { margin: 0 auto 4px; }

nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
}
.nav-link:hover { background: color-mix(in srgb, var(--brand) 12%, transparent); color: var(--text); }
.nav-link.active { background: color-mix(in srgb, var(--brand) 18%, transparent); color: var(--text); font-weight: 600; }

.sidebar-footer { padding-top: 12px; border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 20px; margin: 0; font-weight: 700; flex: 1; }
.topbar-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }

.content { padding: 24px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.card .value { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.card .sub { color: var(--muted); font-size: 13px; margin-top: 6px; }

.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; background: color-mix(in srgb, var(--surface) 80%, transparent); }
tr:last-child td { border-bottom: none; }

.btn {
  border: none; border-radius: 10px; padding: 10px 14px;
  font-weight: 600; font-size: 13px; cursor: pointer;
  background: var(--brand); color: white; font-family: inherit;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid transparent; }
.btn.danger { background: var(--no); }
.btn.success { background: var(--yes); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
.input.sm { padding: 8px 10px; font-size: 12px; min-width: 160px; }
.input:focus { outline: 2px solid color-mix(in srgb, var(--brand) 50%, transparent); border-color: var(--brand); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: color-mix(in srgb, var(--brand) 15%, transparent); color: var(--text);
}
.badge.open { background: color-mix(in srgb, var(--yes) 18%, transparent); color: var(--yes); }
.badge.pending { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.resolved { background: color-mix(in srgb, var(--brand) 18%, transparent); }

.form-grid { display: grid; gap: 12px; max-width: 560px; }
.form-grid label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.stack { display: grid; gap: 16px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.muted { color: var(--muted); }
.error { color: var(--no); }
.success-text { color: var(--yes); }
.loading { color: var(--muted); padding: 40px; text-align: center; }

.mobile-only { display: none; }
.hidden { display: none !important; }
.sm { font-size: 12px; }
.or { text-align: center; color: var(--muted); font-size: 12px; margin: 8px 0; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}
.login-card {
  width: min(400px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 12px;
  box-shadow: var(--shadow);
}
.login-card h1 { margin: 0; font-size: 22px; text-align: center; }
.login-card .logo { margin: 0 auto 4px; }
.login-card label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.login-card .btn { width: 100%; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 50;
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .mobile-only { display: inline-flex; }
  .topbar-actions .input.sm { min-width: 120px; }
  .content { padding: 16px; }
}