/* ============================================================
   FST Chile · Admin
   Paleta: slate (fondo) + indigo (primario) + emerald (ok) +
           amber (warn) + rose (error). Light mode.
   Inspirada en Tailwind/shadcn — moderna, alta legibilidad.
   ============================================================ */

:root {
  --bg:        #f8fafc;   /* slate-50  */
  --panel:     #ffffff;
  --panel-2:   #f1f5f9;   /* slate-100 */
  --border:    #e2e8f0;   /* slate-200 */
  --border-2:  #cbd5e1;   /* slate-300 */
  --text:      #0f172a;   /* slate-900 */
  --text-2:    #334155;   /* slate-700 */
  --muted:     #64748b;   /* slate-500 */

  --primary:   #4f46e5;   /* indigo-600 */
  --primary-h: #4338ca;   /* indigo-700 */
  --primary-l: #eef2ff;   /* indigo-50  */

  --ok:        #059669;   /* emerald-600 */
  --ok-l:      #ecfdf5;
  --warn:      #d97706;   /* amber-600  */
  --warn-l:    #fffbeb;
  --error:     #e11d48;   /* rose-600   */
  --error-l:   #fff1f2;
  --info:      #0284c7;   /* sky-600    */
  --info-l:    #f0f9ff;

  --radius:    8px;
  --radius-lg: 12px;
  --shadow:    0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --shadow-lg: 0 4px 6px -1px rgba(15,23,42,.08), 0 2px 4px -2px rgba(15,23,42,.05);
}

/* dark mode automático según preferencia del SO */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0b1220;
    --panel:     #111827;
    --panel-2:   #1f2937;
    --border:    #1f2937;
    --border-2:  #334155;
    --text:      #f1f5f9;
    --text-2:    #cbd5e1;
    --muted:     #94a3b8;
    --primary:   #818cf8;
    --primary-h: #a5b4fc;
    --primary-l: #1e1b4b;
    --ok:        #34d399;  --ok-l: #052e1c;
    --warn:      #fbbf24;  --warn-l: #422006;
    --error:     #fb7185;  --error-l: #4c0519;
    --info:      #38bdf8;  --info-l: #082f49;
    --shadow:    0 1px 2px rgba(0,0,0,.4);
    --shadow-lg: 0 4px 6px -1px rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box }
html, body { margin: 0; padding: 0 }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--primary); text-decoration: none }
a:hover { color: var(--primary-h); text-decoration: underline }

h1, h2, h3 { color: var(--text); margin-top: 0; font-weight: 600 }
h1 { font-size: 22px; letter-spacing: -.01em }
h2 { font-size: 17px }
h3 { font-size: 15px }

small, .small { font-size: 12px }
.muted { color: var(--muted) }
.error-text { color: var(--error) }
.ok-text { color: var(--ok) }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky; top: 0; z-index: 10;
}
.topbar .brand a {
  color: var(--text); font-weight: 700; letter-spacing: -.01em;
}
.topbar nav {
  display: flex; gap: 2px; flex: 1; flex-wrap: wrap;
}
.topbar nav > a,
.topbar .navgroup-btn {
  padding: 6px 12px; border-radius: 6px;
  color: var(--text-2); font-weight: 500;
  font-size: 14px;
  background: transparent; border: 0; cursor: pointer;
  font-family: inherit; line-height: 1.4;
  display: inline-flex; align-items: center; gap: 4px;
}
.topbar nav > a:hover,
.topbar .navgroup-btn:hover { background: var(--panel-2); text-decoration: none }
.topbar nav > a.active,
.topbar .navgroup.active > .navgroup-btn {
  background: var(--primary-l); color: var(--primary);
}
.topbar .caret { font-size: 9px; opacity: .6; margin-left: 2px; }

/* Dropdowns del nav */
.navgroup { position: relative; }
.navgroup-menu {
  display: none;
  position: absolute; top: calc(100% + 4px); left: 0;
  min-width: 180px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 4px;
  z-index: 100;
}
.navgroup.open > .navgroup-menu { display: block; }
.navgroup-menu a {
  display: block;
  padding: 8px 14px;
  border-radius: 4px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.navgroup-menu a:hover { background: var(--panel-2); text-decoration: none; }
.navgroup-menu a.active { background: var(--primary-l); color: var(--primary); }
.topbar .user {
  display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 13px;
}
.topbar .user small { opacity: .7; margin-left: 4px }

/* ---------- Container ---------- */
.container { max-width: 1280px; margin: 24px auto; padding: 0 24px }

/* ---------- Stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px; margin: 16px 0 24px;
}
.stat {
  display: block; padding: 16px 18px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); color: var(--text);
  box-shadow: var(--shadow);
  transition: border-color .15s, transform .15s;
}
a.stat:hover {
  border-color: var(--primary); transform: translateY(-1px); text-decoration: none;
}
.stat .num { font-size: 26px; font-weight: 700; letter-spacing: -.02em }
.stat .lbl { color: var(--muted); margin-top: 2px; font-size: 13px }
.stat .sub { color: var(--info); margin-top: 4px; font-size: 12px }
.stat.ok   { border-left: 3px solid var(--ok) }
.stat.ok   .num { color: var(--ok) }
.stat.warn { border-left: 3px solid var(--warn) }
.stat.warn .num { color: var(--warn) }
.stat.err  { border-left: 3px solid var(--error) }
.stat.err  .num { color: var(--error) }

/* ---------- Cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  margin: 16px 0; box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border) }
.card h3 { margin: 16px 0 8px }

dl.kv {
  display: grid; grid-template-columns: 160px 1fr;
  gap: 6px 16px; margin: 0;
}
dl.kv dt { color: var(--muted); font-size: 13px }
dl.kv dd { margin: 0; color: var(--text) }

pre.msg {
  white-space: pre-wrap; background: var(--panel-2); padding: 12px;
  border-radius: var(--radius); border: 1px solid var(--border);
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--text);
}

/* ---------- Tablas ---------- */
table.grid {
  width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow);
}
table.grid th, table.grid td {
  padding: 9px 12px; text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.grid th {
  background: var(--panel-2); color: var(--muted);
  font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .04em;
  white-space: nowrap;
}
table.grid th.sortable-col { cursor: pointer; user-select: none; padding-right: 22px; position: relative }
table.grid th.sortable-col:hover { color: var(--text) }
table.grid th.sortable-col::after {
  content: '↕'; position: absolute; right: 8px; opacity: .35; font-size: 10px;
}
table.grid th.sortable-col[data-dir="asc"]::after  { content: '▲'; opacity: 1; color: var(--primary) }
table.grid th.sortable-col[data-dir="desc"]::after { content: '▼'; opacity: 1; color: var(--primary) }
table.grid tbody tr:hover { background: var(--panel-2) }
table.grid tbody tr:last-child td { border-bottom: none }
table.grid .empty { text-align: center; color: var(--muted); padding: 32px }
table.grid .num   { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap }

/* ---------- Badges ---------- */
.badge {
  padding: 2px 8px; border-radius: 99px;
  font-size: 11px; font-weight: 600;
  background: var(--panel-2); color: var(--muted);
  display: inline-block; white-space: nowrap;
}
.badge-nuevo,
.badge-pendiente   { background: var(--info-l);  color: var(--info) }
.badge-en_contacto { background: var(--warn-l);  color: var(--warn) }
.badge-calificado,
.badge-pagado,
.badge-convertido  { background: var(--ok-l);    color: var(--ok) }
.badge-anulada,
.badge-anulado,
.badge-vencida,
.badge-descartado  { background: var(--error-l); color: var(--error) }
.badge.ok  { background: var(--ok-l);    color: var(--ok) }
.badge.err { background: var(--error-l); color: var(--error) }

/* ---------- Forms ---------- */
input[type="text"], input[type="email"], input[type="password"],
input[type="date"], input[type="number"],
select, textarea {
  width: 100%; padding: 8px 10px; margin-top: 4px;
  border: 1px solid var(--border-2); background: var(--panel);
  border-radius: var(--radius); color: var(--text);
  font: inherit; transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus,
input[type="date"]:focus, input[type="number"]:focus,
select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-l);
}
label {
  display: block; color: var(--muted); font-size: 12px;
  font-weight: 500; margin-bottom: 4px;
}

button, .btn {
  cursor: pointer; padding: 8px 16px; font-weight: 500;
  background: var(--primary); color: white; border: none;
  border-radius: var(--radius); font-size: 14px;
  transition: background .15s, transform .05s;
}
button:hover, .btn:hover { background: var(--primary-h); text-decoration: none }
button:active { transform: translateY(1px) }
.btn-secondary {
  background: var(--panel); color: var(--text-2);
  border: 1px solid var(--border-2); padding: 7px 14px;
  display: inline-block;
}
.btn-secondary:hover { background: var(--panel-2); color: var(--text); text-decoration: none }

.form-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px 16px; margin-bottom: 12px;
}
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr } }
.checkbox {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-2); margin: 8px 0 16px; font-size: 14px;
}
.checkbox input { width: auto; margin: 0 }

/* ---------- Tabs ---------- */
nav.tabs {
  display: flex; gap: 2px; margin: 16px 0 0;
  border-bottom: 1px solid var(--border);
}
nav.tabs a {
  padding: 9px 16px;
  color: var(--muted); font-weight: 500; font-size: 14px;
  border: 1px solid transparent; border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-bottom: -1px;
}
nav.tabs a:hover {
  color: var(--text); background: var(--panel-2); text-decoration: none;
}
nav.tabs a.active {
  color: var(--primary); background: var(--panel);
  border-color: var(--border); border-bottom-color: var(--panel);
}
/* ajuste para que el contenido bajo los tabs no tenga doble margin */
nav.tabs + .filters,
nav.tabs + p,
nav.tabs + table.grid {
  margin-top: 16px;
}

/* ---------- Details / Summary ---------- */
details.card { padding: 14px 18px }
details.card summary {
  cursor: pointer; padding: 4px 0; user-select: none;
  list-style: none; display: flex; align-items: center; gap: 8px;
}
details.card summary::before {
  content: '▸'; color: var(--muted); font-size: 12px; transition: transform .15s;
}
details.card[open] summary::before { transform: rotate(90deg) }
details.card summary::-webkit-details-marker { display: none }

/* ---------- Filters ---------- */
.filters {
  margin: 12px 0 16px; display: flex; gap: 10px; align-items: center;
}
.filters-wrap { flex-wrap: wrap }
.filters select, .filters input[type="text"], .filters input[type="date"] {
  width: auto; margin-top: 0;
}
.filters .inline-label {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); font-size: 12px; margin: 0;
}

/* ---------- Login ---------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg);
}
.login-card {
  background: var(--panel); padding: 32px; border-radius: var(--radius-lg);
  width: 380px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 {
  margin: 0 0 12px; font-size: 20px;
  text-align: center; color: var(--primary);
}
.login-card .error {
  padding: 8px 12px; background: var(--error-l); color: var(--error);
  border-radius: var(--radius); border: 1px solid var(--error);
  font-size: 13px;
}

/* === reclasificador de categorías (productos) === */
.bulkbar {
  position: sticky; top: 0; z-index: 5;
  background: var(--primary-l); border: 1px solid var(--primary);
  border-radius: var(--radius); padding: 10px 14px; margin: 12px 0;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  box-shadow: var(--shadow);
}
.bulkbar select { min-width: 200px; }
.cat-cell { white-space: nowrap; }
.cat-select { max-width: 180px; font-size: 12px; padding: 2px 4px; }
.cat-status { margin-left: 6px; font-size: 12px; min-width: 14px; display: inline-block; }
.cat-status.ok  { color: var(--ok); }
.cat-status.err { color: var(--error); }

/* inline-edit genérico */
.inline-status { margin-left: 6px; font-size: 12px; min-width: 14px; display: inline-block; }
.inline-status.ok  { color: var(--ok); }
.inline-status.err { color: var(--error); }
.grid .inline-input, .grid .inline-select {
  font-size: 12px; padding: 2px 6px; max-width: 160px;
}
.grid .inline-input.num { text-align: right; max-width: 110px; }

/* flash messages */
.flash {
  padding: 10px 14px; border-radius: var(--radius);
  border: 1px solid; margin: 12px 0; font-size: 14px;
}
.flash-ok  { background: var(--ok-l);    border-color: var(--ok);    color: var(--ok); }
.flash-err { background: var(--error-l); border-color: var(--error); color: var(--error); }

/* botón que parece link, para acciones inline en tablas */
.link-btn {
  background: none; border: 0; padding: 0; margin-left: 10px;
  color: var(--primary); cursor: pointer; font: inherit; font-size: 13px;
}
.link-btn:hover { text-decoration: underline; }
.inline-form { display: inline; }