:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #16181d;
  --muted: #6a7280;
  --accent: #2f5bea;
  --accent-text: #ffffff;
  --ok: #17864f;
  --ok-bg: #e5f6ec;
  --warn: #9a6400;
  --warn-bg: #fff4dc;
  --err: #c0362c;
  --err-bg: #fdeceb;
  --input: #ffffff;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a21;
    --border: #2a2e38;
    --text: #e7e9ee;
    --muted: #9aa1ad;
    --accent: #4f7cff;
    --ok: #6fe3a4;
    --ok-bg: rgba(53, 192, 122, 0.15);
    --warn: #f5c56b;
    --warn-bg: rgba(245, 197, 107, 0.13);
    --err: #ff8f88;
    --err-bg: rgba(229, 83, 75, 0.15);
    --input: #0f1115;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.6rem; }
h3 { font-size: 1rem; margin: 0 0 0.8rem; }
.muted { color: var(--muted); }

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.6rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 700; color: var(--text); text-decoration: none; }
nav .tagline { font-size: 0.85rem; }
nav .links { display: flex; flex-wrap: wrap; gap: 0.2rem 1.1rem; align-items: center; flex: 1; margin-left: 1rem; }
nav .links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; padding: 0.35rem 0; border-bottom: 2px solid transparent; }
nav .links a:hover { color: var(--text); }
nav .links a.active { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }
nav #logout { margin-left: auto; }
nav .menu {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: auto;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
}
nav .menu span {
  position: absolute;
  left: 25%;
  width: 50%;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}
nav .menu span:nth-child(1) { top: 32%; }
nav .menu span:nth-child(2) { top: calc(50% - 1px); }
nav .menu span:nth-child(3) { top: calc(68% - 2px); }
nav.open .menu span:nth-child(1) { top: calc(50% - 1px); transform: rotate(45deg); }
nav.open .menu span:nth-child(2) { opacity: 0; }
nav.open .menu span:nth-child(3) { top: calc(50% - 1px); transform: rotate(-45deg); }

@media (max-width: 860px) {
  nav .tagline { display: none; }
  nav .menu { display: inline-block; }
  nav .links { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; margin: 0.25rem 0 0.25rem; gap: 0; }
  nav.open .links { display: flex; }
  nav .links a { padding: 0.7rem 0.25rem; border-bottom: 1px solid var(--border); font-size: 1rem; }
  nav .links a.active { border-bottom-color: var(--border); color: var(--accent); }
  nav #logout { margin: 0.75rem 0 0.25rem; align-self: flex-start; }
}

main { max-width: 1100px; margin: 0 auto; padding: 1rem; }
main.narrow { max-width: 420px; margin-top: 3rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.table-wrap { overflow-x: auto; }

.grid { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat .value { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .label { color: var(--muted); font-size: 0.85rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.row > .grow { flex: 1; min-width: 160px; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td:first-child { white-space: nowrap; }
td.neg { color: var(--err); }
td.pos { color: var(--ok); }

input, select, textarea, button {
  font: inherit;
  color: var(--text);
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
  max-width: 100%;
}
input[type="file"] { padding: 0.3rem; }
button {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--text); border-color: var(--border); }
button.danger { background: var(--err); border-color: var(--err); color: #fff; }
button.small { padding: 0.25rem 0.55rem; font-size: 0.85rem; }
button:disabled { opacity: 0.55; cursor: progress; }

.field { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: 0.8rem; }
.field label { font-size: 0.85rem; color: var(--muted); }
.fields { display: grid; gap: 0 0.8rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.check { display: flex; gap: 0.4rem; align-items: center; font-size: 0.9rem; margin-bottom: 0.8rem; }

.msg { padding: 0.6rem 0.8rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.msg.err { background: var(--err-bg); color: var(--err); }
.msg.warn { background: var(--warn-bg); color: var(--warn); }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--border);
  white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.err { background: var(--err-bg); color: var(--err); }

.social { display: grid; gap: 0.5rem; margin-top: 1rem; }
.btn {
  display: block;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.65rem;
}
.btn:hover { border-color: var(--accent); }
.btn.inline { display: inline-block; }
nav #company { max-width: 14rem; }
details summary { cursor: pointer; font-weight: 600; }