:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #d9dee3;
  --text: #1f2933;
  --muted: #6b7280;
  --primary: #0d6efd;
  --primary-dark: #0b5ed7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.6rem 1.2rem;
  background: #1f2933;
  color: #fff;
  flex-wrap: wrap;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; gap: 1rem; flex: 1; align-items: center; }
.topbar nav > a { color: #cbd5e1; }
.topbar nav > a:hover { color: #fff; }
.userbox { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; }

/* Menús desplegables del nav (se abren al hacer clic) */
.dropdown { position: relative; }
.dropbtn {
  background: none; border: 0; padding: 0;
  color: #cbd5e1; font: inherit; cursor: pointer;
}
.dropbtn:hover { color: #fff; }
.dropdown.open .dropbtn { color: #fff; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem); left: 0;
  background: #1f2933;
  border: 1px solid #374151;
  border-radius: 6px;
  padding: 0.3rem 0;
  min-width: 200px;
  max-width: 320px;
  z-index: 200;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 0.5rem 0.9rem;
  color: #cbd5e1;
  font-size: 0.9rem;
  white-space: normal;
}
.dropdown-menu a:hover { background: #374151; color: #fff; text-decoration: none; }

/* Layout */
main { max-width: 1080px; margin: 1.5rem auto; padding: 0 1rem; }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; gap: 0.5rem; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem;
  margin-bottom: 1.2rem;
}

.muted { color: var(--muted); }

/* Buttons */
button, .btn {
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  cursor: pointer;
}
button:hover, .btn:hover { background: var(--primary-dark); text-decoration: none; }
.linkbtn {
  background: none;
  border: 0;
  color: var(--primary);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  font-size: 0.9rem;
}
.linkbtn:hover { text-decoration: underline; }

/* Forms */
label { display: block; margin-bottom: 0.8rem; font-size: 0.9rem; font-weight: 600; }
input[type=text], input[type=password], input[type=email], input[type=date],
input[type=number], select, textarea {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  font-weight: 400;
}
textarea { resize: vertical; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .actions { display: flex; align-items: center; gap: 1rem; }
fieldset { grid-column: 1 / -1; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 0.8rem; }
legend { font-weight: 600; font-size: 0.85rem; }
.checkbox { font-weight: 400; display: flex; align-items: center; gap: 0.5rem; }
.checkbox input { width: auto; margin: 0; }

.filtros { display: flex; gap: 0.6rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filtros input[type=text] { flex: 1; min-width: 220px; margin-top: 0; }
.filtros select { width: auto; margin-top: 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--border); }
th { background: #f0f3f6; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #eef4ff; }
tfoot th { background: #e9eef3; color: var(--text); border-top: 2px solid var(--border); }

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
}
.count {
  background: #e5e7eb;
  color: var(--text);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.85rem;
  margin-left: 0.4rem;
}
.pill {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border-radius: 4px;
  padding: 0 0.4rem;
  font-size: 0.75rem;
  margin-right: 0.2rem;
}

/* Login */
.login-wrap { max-width: 360px; margin: 3rem auto; }
.login-wrap button { width: 100%; margin-top: 0.5rem; }

/* Flash */
.flash { padding: 0.7rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.flash-success { background: #d1e7dd; color: #0f5132; }
.flash-danger  { background: #f8d7da; color: #842029; }
.flash-info    { background: #cfe2ff; color: #084298; }

/* Bitácora */
.bitacora-form { display: flex; gap: 0.6rem; margin-bottom: 1rem; }
.bitacora-form textarea { margin-top: 0; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { border-left: 3px solid var(--border); padding: 0.5rem 0 0.5rem 0.9rem; margin-bottom: 0.4rem; }
.timeline li.tl-cambio_estatus { border-left-color: var(--primary); }
.timeline li.tl-sistema { border-left-color: #adb5bd; }
.tl-meta { font-size: 0.8rem; color: var(--muted); display: flex; gap: 0.6rem; align-items: center; }
.tl-meta strong { color: var(--text); }
.tl-body { margin-top: 0.2rem; white-space: pre-wrap; }
.tag { background: #e5e7eb; border-radius: 4px; padding: 0 0.4rem; font-size: 0.72rem; }

/* Catálogos */
.estatus-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.estatus-row input[type=text] { width: 12rem; margin-top: 0; }
.estatus-row input[type=number] { width: 4.5rem; margin-top: 0; }
.estatus-row .ord { font-weight: 400; margin: 0; display: flex; align-items: center; gap: 0.3rem; }
.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips li { background: #eef2f7; border-radius: 6px; padding: 0.3rem 0.6rem; display: flex; align-items: center; gap: 0.3rem; font-size: 0.88rem; }
.chips form { display: inline; }
.inline-add { display: flex; gap: 0.5rem; margin-top: 0.8rem; }
.inline-add input { margin-top: 0; width: 16rem; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .topbar nav { order: 3; width: 100%; }
}

/* Combobox de cliente (búsqueda incremental + nombre libre) */
.combo { position: relative; }
.combo-list {
  position: absolute;
  z-index: 30;
  top: 100%;
  left: 0;
  right: 0;
  margin: 0.15rem 0 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  max-height: 15rem;
  overflow-y: auto;
  font-weight: 400;
}
.combo-list li {
  padding: 0.4rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.92rem;
}
.combo-list li:hover, .combo-list li.activo { background: #eef2f7; }
.combo-list li.combo-vacio { color: var(--muted); font-style: italic; cursor: default; }
.combo-list li.combo-vacio:hover { background: transparent; }
.combo-hint { display: block; font-weight: 400; margin-top: 0.25rem; }

/* Alta de un estatus nuevo: separada visualmente de los que ya existen */
.estatus-nuevo { border-top: 1px solid var(--border); padding-top: 0.9rem; margin-top: 0.9rem; }