/* ============================================================
   Casa Hadid — Sistema de Gestión — app.css
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0F0F1A;
  --bg2:         #161626;
  --bg3:         #1E1E32;
  --border:      #2A2A42;
  --accent:      #6C63FF;
  --accent2:     #4ECDC4;
  --accent3:     #F7C948;
  --danger:      #FF6B6B;
  --success:     #4ECDC4;
  --text:        #E8E8F0;
  --text2:       #9090B0;
  --text3:       #5A5A7A;
  --card-radius: 12px;
  --transition:  .18s ease;
  --shadow:      0 4px 24px rgba(0,0,0,.35);
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 16px 18px;
  border-bottom: 1px solid var(--border);
}
.brand-logo {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
  flex-shrink: 0;
}
.brand-name  { font-weight: 600; font-size: 14px; display: block; }
.brand-sub   { font-size: 10px; color: var(--text2); display: block; }

.nav-menu { list-style: none; padding: 8px 0; flex: 1; overflow-y: auto; }
.nav-section {
  font-size: 10px; font-weight: 600; letter-spacing: .08em;
  color: var(--text3); text-transform: uppercase;
  padding: 14px 18px 4px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 18px;
  color: var(--text2); text-decoration: none;
  border-radius: 0; transition: var(--transition);
  font-size: 13px; font-weight: 400;
  border-left: 3px solid transparent;
}
.nav-link svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.nav-link:hover { color: var(--text); background: var(--bg3); }
.nav-link.active {
  color: var(--accent); background: rgba(108,99,255,.1);
  border-left-color: var(--accent); font-weight: 500;
}

.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); }
.ml-status {
  font-size: 11px; display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap; color: var(--text2);
}
.ml-status .status-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.ml-status.connected .status-dot   { background: var(--success); box-shadow: 0 0 6px var(--success); }
.ml-status.disconnected .status-dot{ background: var(--danger); }
.ml-status small { display: block; color: var(--text3); font-size: 10px; width: 100%; margin-left: 14px; }

/* ── Main content ────────────────────────────────────────── */
.main-content {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  position: sticky; top: 0; z-index: 50;
}
.page-title    { font-size: 18px; font-weight: 600; }
.topbar-right  { display: flex; align-items: center; gap: 12px; }
.topbar-date   { font-size: 12px; color: var(--text2); }
.content-body  { padding: 24px 28px; flex: 1; }

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title  { font-size: 14px; font-weight: 600; }
.card-body   { padding: 20px; }

/* ── Stat cards ──────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 18px 20px;
}
.stat-label   { font-size: 11px; color: var(--text2); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.stat-value   { font-size: 26px; font-weight: 700; margin-bottom: 4px; }
.stat-sub     { font-size: 11px; color: var(--text3); }
.stat-card.accent  { border-top: 2px solid var(--accent); }
.stat-card.success { border-top: 2px solid var(--success); }
.stat-card.warning { border-top: 2px solid var(--accent3); }
.stat-card.danger  { border-top: 2px solid var(--danger); }

/* ── Grid layouts ────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600; color: var(--text2);
  text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(42,42,66,.5);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg3); }
.td-right { text-align: right; }
.td-center { text-align: center; }

/* ── Badges / Chips ──────────────────────────────────────── */
.badge {
  display: inline-block; font-size: 10px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px; white-space: nowrap;
}
.badge-green  { background: rgba(78,205,196,.15); color: var(--success); }
.badge-yellow { background: rgba(247,201,72,.15);  color: var(--accent3); }
.badge-red    { background: rgba(255,107,107,.15); color: var(--danger); }
.badge-blue   { background: rgba(108,99,255,.15);  color: var(--accent); }
.badge-gray   { background: rgba(144,144,176,.1);  color: var(--text2); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px; font-size: 13px;
  font-weight: 500; cursor: pointer; text-decoration: none;
  border: 1px solid transparent; transition: var(--transition);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.btn-primary  { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #5a52e0; }
.btn-success  { background: var(--success); color: #0a1a1a; }
.btn-danger   { background: var(--danger);  color: #fff; }
.btn-outline  { border-color: var(--border); color: var(--text2); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm       { padding: 5px 11px; font-size: 12px; border-radius: 6px; }
.btn-icon     { padding: 6px; border-radius: 6px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-full   { grid-column: 1 / -1; }
@media (max-width: 700px) { .form-grid, .form-grid-3 { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-label { font-size: 12px; font-weight: 500; color: var(--text2); }
.form-control {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px;
  padding: 9px 12px; font-size: 13px; font-family: inherit;
  transition: var(--transition); width: 100%;
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,.15); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 90px; resize: vertical; }

.form-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  padding-top: 16px; margin-top: 16px;
  border-top: 1px solid var(--border);
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 13px;
}
.alert button { background: none; border: none; cursor: pointer; font-size: 18px; line-height: 1; opacity: .6; color: inherit; }
.alert-success { background: rgba(78,205,196,.1); border: 1px solid rgba(78,205,196,.3); color: var(--success); }
.alert-error   { background: rgba(255,107,107,.1); border: 1px solid rgba(255,107,107,.3); color: var(--danger); }
.alert-warning { background: rgba(247,201,72,.1);  border: 1px solid rgba(247,201,72,.3);  color: var(--accent3); }

/* ── Modals ──────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.7); z-index: 999;
  align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; width: 100%; max-width: 600px;
  max-height: 90vh; overflow-y: auto; margin: 16px;
  box-shadow: var(--shadow);
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 22px; line-height: 1; }
.modal-close:hover { color: var(--text); }
.modal-body  { padding: 22px; }

/* ── Toolbar (above tables) ──────────────────────────────── */
.toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.toolbar-left  { display: flex; align-items: center; gap: 10px; }
.search-input  {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 7px 12px;
  font-size: 13px; width: 220px;
}

/* ── Stock indicators ────────────────────────────────────── */
.stock-ok      { color: var(--success); font-weight: 600; }
.stock-low     { color: var(--accent3); font-weight: 600; }
.stock-out     { color: var(--danger);  font-weight: 600; }

/* ── Chart containers ────────────────────────────────────── */
.chart-container { position: relative; height: 220px; }

/* ── Misc ────────────────────────────────────────────────── */
.text-muted   { color: var(--text2); }
.text-sm      { font-size: 12px; }
.text-right   { text-align: right; }
.mt-4         { margin-top: 16px; }
.mb-4         { margin-bottom: 16px; }
.gap-2        { gap: 8px; }
.flex         { display: flex; }
.items-center { align-items: center; }
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.empty-state  { text-align: center; padding: 48px 24px; color: var(--text2); }
.empty-state svg { width: 48px; height: 48px; fill: var(--text3); margin: 0 auto 12px; display: block; }