/* ERP S-Gala — mobile-first */
:root {
  --bg: #0f172a; --bg-soft: #1e293b; --bg-line: #334155;
  --card: #fff; --bg-page: #f8fafc;
  --text: #0f172a; --muted: #64748b; --border: #e2e8f0;
  --primary: #2563eb; --primary-hover: #1d4ed8; --primary-soft: #eff6ff;
  --danger: #dc2626; --danger-soft: #fef2f2;
  --success: #16a34a; --success-soft: #f0fdf4;
  --warn: #d97706; --warn-soft: #fffbeb;
  --radius: 10px;
  --focus-ring: 0 0 0 3px rgba(37,99,235,0.18);
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.05);
  --shadow-md: 0 4px 14px rgba(15,23,42,0.10);
  --shadow-lg: 0 10px 30px rgba(15,23,42,0.15);
  --t: 160ms ease;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg-page); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}
*:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

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

h1 { font-size: 1.5rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.2rem; margin: 1.25rem 0 0.5rem; }
h3 { font-size: 1rem; margin: 1rem 0 0.5rem; }
.muted { color: var(--muted); }
.muted-link { color: var(--muted) !important; pointer-events: none; }
code { background: #f1f5f9; padding: 1px 5px; border-radius: 4px; font-size: 0.9em; }

/* ===== Topbar ===== */
.topbar {
  background: var(--bg); color: #fff;
  padding: 0.5rem 1rem;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow-sm);
}
.brand {
  color: #fff; font-weight: 700; letter-spacing: 0.5px;
  padding: 0.5rem 0;
  transition: opacity var(--t);
}
.brand:hover { text-decoration: none; opacity: 0.85; }

.menu-toggle {
  background: transparent; border: 1px solid #475569; color: #fff;
  width: 40px; height: 40px; font-size: 1.25rem;
  border-radius: var(--radius); cursor: pointer;
  transition: background var(--t), border-color var(--t);
}
.menu-toggle:hover { background: var(--bg-soft); border-color: #64748b; }

/* Nav — mobile: hidden by default, shown when body.nav-open */
.nav {
  display: none; flex-direction: column;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg); padding: 0.5rem 1rem 1rem;
  border-top: 1px solid var(--bg-line);
  gap: 0.15rem;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}
body.nav-open .nav { display: flex; }

.nav-link, .nav .nav-dropdown-toggle {
  color: #cbd5e1; background: transparent; border: none;
  padding: 0.7rem 0.85rem; border-radius: 8px;
  font: inherit; cursor: pointer; text-align: left;
  display: flex; align-items: center; gap: 6px;
  transition: background var(--t), color var(--t);
}
.nav-link:hover, .nav .nav-dropdown-toggle:hover,
.nav-link:focus-visible, .nav .nav-dropdown-toggle:focus-visible {
  background: var(--bg-soft); color: #fff; text-decoration: none;
}
.nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.caret { font-size: 0.7em; opacity: 0.75; transition: transform var(--t); }
.nav-dropdown.open .caret { transform: rotate(180deg); }

/* Dropdown menu */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none;
  background: #fff; color: var(--text);
  border-radius: var(--radius); margin: 0.25rem 0 0.5rem 1rem;
  padding: 0.4rem;
  box-shadow: var(--shadow-md);
  min-width: 200px;
  border: 1px solid var(--border);
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }

.nav-dropdown-menu a, .nav-dropdown-menu .dropdown-item-disabled, .nav-dropdown-menu .dropdown-link-btn {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font: inherit;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.nav-dropdown-menu a:hover, .nav-dropdown-menu .dropdown-link-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
  text-decoration: none;
}
.nav-dropdown-menu a.active {
  background: var(--primary); color: #fff; font-weight: 500;
}
.nav-dropdown-menu .dropdown-item-disabled {
  color: var(--muted); cursor: default; font-style: italic; font-size: 0.85rem;
}
.nav-dropdown-menu .dropdown-item-disabled:hover { background: transparent; }
.dropdown-item-info {
  display: block;
  padding: 0.5rem 0.75rem 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}
.dropdown-item-info small { color: var(--muted); }

.nav-user .who { font-weight: 500; }

/* ===== Layout ===== */
.container { max-width: 1300px; margin: 0 auto; padding: 1rem; }

/* ===== Auth card ===== */
.auth-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  max-width: 380px; margin: 2rem auto;
  box-shadow: var(--shadow-md);
}
.auth-card label { display: block; margin: 0.75rem 0; font-size: 0.9rem; color: var(--muted); }
.auth-card input {
  display: block; width: 100%; margin-top: 0.3rem;
  padding: 0.75rem; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: #fff; transition: border-color var(--t), box-shadow var(--t);
}
.auth-card input:focus { border-color: var(--primary); outline: none; box-shadow: var(--focus-ring); }

/* ===== Buttons ===== */
.btn-primary, button.btn-primary {
  display: inline-block; background: var(--primary); color: #fff;
  border: none; border-radius: 8px;
  padding: 0.7rem 1rem;
  font-size: 1rem; font-weight: 600;
  cursor: pointer; width: 100%; margin-top: 0.5rem;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled {
  opacity: 0.5; cursor: not-allowed; background: var(--muted);
}
.link-btn {
  background: transparent; border: none; cursor: pointer; font: inherit;
  color: var(--primary); padding: 4px 8px; border-radius: 4px;
  transition: background var(--t);
}
.link-btn:hover { background: var(--primary-soft); }

/* ===== Alerts ===== */
.alert {
  padding: 0.75rem 1rem; border-radius: 8px;
  margin: 0.5rem 0 1rem; font-size: 0.9rem;
  border-left: 4px solid;
}
.alert.error    { background: var(--danger-soft);  color: #991b1b; border-color: var(--danger); }
.alert.success  { background: var(--success-soft); color: #166534; border-color: var(--success); }
.alert.warn     { background: var(--warn-soft);    color: #92400e; border-color: var(--warn); }

/* ===== Cards ===== */
.card-list {
  list-style: none; padding: 0; margin: 1rem 0;
  display: grid; gap: 0.75rem; grid-template-columns: 1fr;
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem;
  transition: box-shadow var(--t), border-color var(--t);
}
.card:hover { box-shadow: var(--shadow-sm); border-color: #cbd5e1; }
.stat-label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-num   { font-size: 1.75rem; font-weight: 700; margin: 0.25rem 0; }

/* ===== Filter bar ===== */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end;
  margin: 1rem 0;
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.85rem 1rem;
  box-shadow: var(--shadow-sm);
}
.filter-bar .field { margin-bottom: 0; flex: 1 1 140px; }
.filter-bar select, .filter-bar input {
  width: 100%; padding: 0.55rem 0.7rem;
  border: 1px solid var(--border); border-radius: 6px;
  background: #fff; font-size: 0.95rem;
  transition: border-color var(--t), box-shadow var(--t);
}
.filter-bar select:focus, .filter-bar input:focus {
  border-color: var(--primary); outline: none; box-shadow: var(--focus-ring);
}
.filter-actions { flex: 0 0 auto; }
.filter-actions .btn-primary { width: auto; padding: 0.6rem 1.2rem; margin: 0; }

/* ===== Form card ===== */
.form-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.5rem;
  max-width: 700px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}
.form-card .field { margin-bottom: 1rem; }
.form-card label {
  font-size: 0.85rem; color: var(--muted);
  display: block; margin-bottom: 0.3rem;
  font-weight: 500;
}
.form-card input[type=text], .form-card input:not([type]),
.form-card input[type=email], .form-card input[type=password],
.form-card input[type=number], .form-card input[type=date],
.form-card select, .form-card textarea {
  width: 100%; padding: 0.6rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border); border-radius: 6px;
  background: #fff;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-card input:focus, .form-card select:focus, .form-card textarea:focus {
  border-color: var(--primary); outline: none; box-shadow: var(--focus-ring);
}
.form-card input:disabled, .form-card input[readonly] {
  background: #f8fafc; color: var(--muted); cursor: not-allowed;
}
.form-card .toggle {
  display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer;
  padding: 0.4rem 0; user-select: none;
}
.form-card .toggle input { width: 18px; height: 18px; cursor: pointer; }
.form-card small { color: var(--muted); display: block; margin-top: 0.25rem; }

/* ===== Toolbar ===== */
.toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin: 0.75rem 0; flex-wrap: wrap; gap: 0.5rem;
}

/* ===== Table ===== */
.table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  margin: 0.5rem 0;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td {
  padding: 0.6rem 0.75rem; text-align: left;
  border-bottom: 1px solid var(--border); white-space: nowrap;
  vertical-align: middle;
}
th {
  background: #f8fafc; font-weight: 600; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--muted);
  position: sticky; top: 0; z-index: 1;
}
tbody tr { transition: background var(--t); }
tbody tr:hover td { background: #f8fafc; }
.row-inactive td { background: #f3f4f6 !important; opacity: 0.65; }
tbody tr:last-child td { border-bottom: none; }

.action-cell { white-space: nowrap; }
.action-cell a, .action-cell button {
  margin-right: 4px;
  font-size: 1.05rem; text-decoration: none;
  padding: 4px 6px;
  border-radius: 4px;
  transition: background var(--t);
}
.action-cell a:hover, .action-cell button:hover { background: var(--primary-soft); }
.action-cell button[style*="danger"]:hover { background: var(--danger-soft); }

/* ===== Badges / Chips ===== */
.chip {
  display: inline-block; background: #f1f5f9; border: 1px solid var(--border);
  border-radius: 999px; padding: 1px 8px; font-size: 0.75rem;
  color: var(--muted); margin: 1px;
}
.badge {
  display: inline-block; padding: 2px 8px;
  border-radius: 999px; font-size: 0.7rem;
  font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-ok      { background: var(--success-soft); color: #065f46; }
.badge-warn    { background: var(--warn-soft);    color: #92400e; }
.badge-danger  { background: var(--danger-soft);  color: #991b1b; }

/* ===== Pagination ===== */
.pagination {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; margin: 1rem 0;
}
.pagination a {
  padding: 0.4rem 0.8rem; border-radius: 6px;
  background: #fff; border: 1px solid var(--border);
  transition: background var(--t), border-color var(--t);
}
.pagination a:hover { background: var(--primary-soft); border-color: var(--primary); text-decoration: none; }

/* ===== Details (inline expander) ===== */
details {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); margin: 0.5rem 0;
  transition: box-shadow var(--t);
}
details[open] { box-shadow: var(--shadow-sm); }
details summary {
  padding: 0.65rem 1rem; cursor: pointer; user-select: none;
  font-weight: 500;
  transition: background var(--t);
  list-style: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 6px;
  transition: transform var(--t);
  font-size: 0.85em;
}
details[open] summary::before { transform: rotate(90deg); }
details summary:hover { background: #f8fafc; border-radius: var(--radius) var(--radius) 0 0; }

/* ===== Tablet & up ===== */
@media (min-width: 720px) {
  .menu-toggle { display: none; }
  .nav {
    display: flex !important; flex-direction: row;
    position: static; padding: 0;
    border: none; background: transparent;
    align-items: center; gap: 0.15rem;
    overflow: visible; max-height: none;
  }
  .nav-link, .nav .nav-dropdown-toggle { padding: 0.45rem 0.85rem; }

  .nav-dropdown-menu {
    position: absolute; top: calc(100% + 4px); left: 0;
    margin: 0;
    min-width: 220px;
    z-index: 100;
    animation: dropFadeIn 140ms ease-out;
  }
  .nav-dropdown-menu.align-right { left: auto; right: 0; }

  @keyframes dropFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav-user { margin-left: auto; }

  .card-list { grid-template-columns: repeat(4, 1fr); }
}