:root {
  --main-bg: #f8f9fa;
  --main-color: #222;
  --accent: #2e7d32;
  --header-bg: #fff;
  --table-header: #e9ecef;
  --modal-bg: rgba(0,0,0,0.55);
  --border: rgba(0,0,0,0.08);
  --shadow: 0 2px 10px rgba(0,0,0,0.06);
}

body.dark {
  --main-bg: #181a1b;
  --main-color: #f1f1f1;
  --header-bg: #23272a;
  --table-header: #2e3236;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 2px 10px rgba(0,0,0,0.35);
}

/* критично: hidden має реально ховати елемент (інакше модалка перекриває весь екран) */
[hidden], .modal[hidden] { display: none !important; }

body {
  background: var(--main-bg);
  color: var(--main-color);
  font-family: 'Segoe UI', Arial, sans-serif;
  margin: 0;
}

header {
  background: var(--header-bg);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 20;
}

h1 { font-size: 1.2rem; margin: 0; }

nav ul {
  display: flex;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

nav a {
  color: var(--main-color);
  text-decoration: none;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

nav a.active, nav a:focus {
  background: var(--accent);
  color: #fff;
}

main {
  padding: 2rem;
  max-width: 1200px;
  margin: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--header-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

th, td {
  padding: 0.6rem;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--table-header);
  text-align: left;
  font-weight: 600;
}

tr:last-child td { border-bottom: none; }

button, input[type="search"], input, select, textarea {
  margin: 0.25rem 0;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.18);
  font-size: 1rem;
  background: var(--header-bg);
  color: var(--main-color);
}

body.dark button, body.dark input, body.dark select, body.dark textarea {
  border-color: rgba(255,255,255,0.18);
}

button { cursor: pointer; }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.icon {
  border-radius: 999px;
  width: 42px;
  height: 42px;
  padding: 0;
}

button.danger {
  background: #b00020;
  border-color: #b00020;
  color: #fff;
}

button:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

textarea { width: 100%; box-sizing: border-box; font-family: ui-monospace, Consolas, monospace; }

label { display:block; margin: .35rem 0; }
label > input, label > select, label > textarea { width: 100%; box-sizing: border-box; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1rem 0;
}

.card {
  background: var(--header-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}

.card .value { font-size: 1.6rem; font-weight: 800; }
.card .label { font-size: 0.9rem; opacity: .8; }

.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  background: var(--table-header);
  border: 1px solid var(--border);
  font-size: .85rem;
}

.muted { opacity: .75; }

.row { display:flex; align-items:center; gap:.5rem; }


.company-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: .5rem 1rem;
}
.company-grid label{ margin: 0; }

.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--modal-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal > div {
  background: var(--header-bg);
  color: var(--main-color);
  padding: 1rem 1rem 1.25rem;
  border-radius: 14px;
  min-width: 320px;
  max-width: 980px;
  width: min(980px, 92vw);
  max-height: 88vh;
  overflow: auto;
  border: 1px solid var(--border);
}

.hr { height:1px; background: var(--border); margin: .75rem 0; }

iframe.preview {
  width: 100%;
  height: 60vh;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

@media (max-width: 768px) {
  main { padding: 1rem; }
  header { flex-direction: column; align-items: flex-start; }
}