:root {
  --dark: #1f2430;
  --orange: #e8871e;
  --orange-dark: #c96f10;
  --border: #e3e5ea;
  --text-light: #6b7280;
  --bg-alt: #f5f6f8;
  --ok: #3d7a52;
  --ok-bg: #e5f3e9;
  --warn: #b23a26;
  --warn-bg: #f9e6e2;
  --neutral: #4b5a68;
  --neutral-bg: #e9edf1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: #333;
  background: #fff;
}

a { color: var(--orange-dark); }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { font-weight: 700; text-decoration: none; color: var(--dark); font-size: 1.1rem; }
.topbar nav { display: flex; gap: 18px; align-items: center; margin-left: auto; flex-wrap: wrap; }
.topbar nav a { text-decoration: none; color: var(--neutral); font-weight: 600; font-size: 0.92rem; }
.topbar nav a:hover { color: var(--orange-dark); }
.btn-nav {
  background: var(--orange);
  color: #fff !important;
  padding: 8px 14px;
  border-radius: 6px;
}
.btn-nav:hover { background: var(--orange-dark); }

.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  color: var(--neutral);
  font-weight: 600;
  font-size: 0.92rem;
}
.nav-dropdown-trigger:hover { color: var(--orange-dark); }
.nav-dropdown-menu {
  display: none;
  position: fixed;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  min-width: 220px;
  padding: 6px;
  z-index: 20;
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--dark) !important;
  font-weight: 500 !important;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--bg-alt); color: var(--orange-dark) !important; }

.container { max-width: 980px; margin: 0 auto; padding: 32px 24px 80px; }

h1 { font-size: 1.6rem; margin: 0 0 20px; }

.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-head-actions { display: flex; gap: 10px; align-items: center; }

.empty { color: var(--text-light); }

.btn, .btn-outline {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.92rem;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn { background: var(--orange); color: #fff; }
.btn:hover { background: var(--orange-dark); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--neutral); }
.btn-danger {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--warn);
  color: #fff;
}
.btn-danger:hover { background: #8f2d1c; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.avail-card { border: 1px solid var(--border); border-radius: 8px; padding: 18px; }
.avail-head { display: flex; justify-content: space-between; align-items: start; gap: 8px; }
.avail-head h3 { margin: 0; font-size: 1.05rem; }
.category { color: var(--text-light); font-size: 0.85rem; margin: 4px 0; }
.qty { margin: 10px 0 0; font-size: 0.92rem; }
.overdue-note { margin: 6px 0 0; font-size: 0.82rem; color: var(--warn); font-weight: 600; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-available { background: var(--ok-bg); color: var(--ok); }
.badge-rented { background: var(--neutral-bg); color: var(--neutral); }
.badge-overdue { background: var(--warn-bg); color: var(--warn); }
.badge-returned { background: var(--ok-bg); color: var(--ok); }

.overdue-days { color: var(--warn); font-weight: 700; }
.nowrap { white-space: nowrap; }

.filter-bar {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 18px;
}
.filter-field { display: flex; flex-direction: column; gap: 4px; }
.filter-field label { font-weight: 600; font-size: 0.82rem; color: var(--neutral); }
.filter-field input, .filter-field select {
  padding: 8px 10px;
  border: 1.5px solid #9aa3ad;
  border-radius: 6px;
  background: #fbfbfc;
  font: inherit;
  min-width: 180px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { background: var(--bg-alt); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-light); }
.actions { display: flex; gap: 12px; align-items: center; }
.actions form { margin: 0; }

.link, .link-danger {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
}
.link { color: var(--orange-dark); }
.link-danger { color: var(--warn); }

.form { display: flex; flex-direction: column; gap: 6px; max-width: 460px; }
.form label { font-weight: 600; font-size: 0.88rem; margin-top: 10px; }
.form input, .form select, .form textarea {
  padding: 9px 12px;
  border: 1.5px solid #9aa3ad;
  border-radius: 6px;
  background: #fbfbfc;
  font: inherit;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(232, 135, 30, 0.15);
}
.form button, .form .btn-outline { margin-top: 18px; align-self: flex-start; }

#pola-firma, #pola-osoba {
  display: flex;
  flex-direction: column;
}

.typ-toggle {
  display: flex;
  gap: 20px;
  margin: 4px 0 18px;
}
.typ-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
}
.typ-option input { width: auto; }

.field-hint {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--neutral);
}

.nav-user { color: var(--text-light); font-size: 0.85rem; font-weight: 600; }

.logout-form { margin: 0; }
.logout-form .link { font-size: 0.9rem; }

.kontrahent-link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--orange-dark);
  text-decoration: underline;
  cursor: pointer;
}

.kontrahent-modal {
  border: none;
  border-radius: 10px;
  padding: 26px 30px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.kontrahent-modal::backdrop { background: rgba(20, 24, 30, 0.4); }
.kontrahent-modal h2 { margin: 0 0 16px; font-size: 1.25rem; }
.kontrahent-modal dl { margin: 0 0 20px; }
.kontrahent-modal .modal-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.kontrahent-modal dt { font-weight: 600; color: var(--text-light); font-size: 0.85rem; }
.kontrahent-modal dd { margin: 0; font-size: 0.92rem; }

.kontrahent-modal .form { max-width: none; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn, .modal-actions .btn-outline { margin-top: 0; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.88rem;
  margin-top: 14px;
  cursor: pointer;
}
.checkbox-label input { width: auto; }

.section-hint {
  color: var(--text-light);
  font-size: 0.88rem;
  margin: -8px 0 20px;
}

.perm-matrix th, .perm-matrix td { text-align: center; }
.perm-matrix th:first-child, .perm-matrix td:first-child { text-align: left; }
.perm-cell input { width: 18px; height: 18px; cursor: pointer; }

.login-container {
  max-width: 360px;
  margin-top: 80px;
}
.login-container h1 { text-align: center; }
.login-error {
  background: var(--warn-bg);
  color: var(--warn);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
}
.form-success {
  background: var(--ok-bg);
  color: var(--ok);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
}