/* === layout.css === */

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px; gap: 16px; z-index: 100;
  transition: background .25s, border-color .25s;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.6rem; font-weight: 800; letter-spacing: 1px;
  color: var(--amber);
  display: flex; align-items: center; gap: 8px;
}
.nav-logo span { color: var(--text); }
.nav-logo-img { width: 32px; height: 32px; object-fit: contain; }
.nav-tabs { display: flex; gap: 2px; margin-left: 24px; }
.nav-tab {
  padding: 6px 16px; border-radius: var(--r);
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
  cursor: pointer; border: none; background: transparent; color: var(--text2);
  transition: all .2s;
}
.nav-tab:hover { color: var(--text); background: var(--bg3); }
.nav-tab.active { color: var(--amber); background: var(--amber-dim); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.btn-icon {
  width: 36px; height: 36px; border-radius: var(--r);
  border: 1px solid var(--border2); background: var(--bg3);
  color: var(--text2); cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; transition: all .2s;
}
.btn-icon:hover { border-color: var(--amber); color: var(--amber); }
.btn-icon.nav-tab.active { border-color: var(--amber); color: var(--amber); background: var(--amber-dim); }
.badge-cart {
  position: absolute; top: -4px; right: -4px;
  background: var(--amber); color: #fff; font-weight: 700;
  font-size: 0.65rem; min-width: 16px; height: 16px;
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}

/* ── THEME TOGGLE ── */
.theme-toggle {
  width: 36px; height: 36px; border-radius: var(--r);
  border: 1px solid var(--border2); background: var(--bg3);
  color: var(--text2); cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; transition: all .2s;
}
.theme-toggle:hover { border-color: var(--amber); color: var(--amber); }

/* ── LAYOUT ── */
#app {
  display: flex;
  padding-top: var(--nav-h);
  min-height: 100vh;
  transition: margin-right .3s ease;
}
#app.chat-open { margin-right: var(--chat-w); }
.main-content { flex: 1; padding: 24px; min-width: 0; }

/* ── TABS ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── STATS ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px; margin-bottom: 24px;
}
.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2); padding: 18px;
  position: relative; overflow: hidden;
  transition: border-color .2s, background .25s;
}
.stat-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent, var(--amber));
}
.stat-card:hover { border-color: var(--accent, var(--amber)); }
.stat-card-link {
  cursor: pointer;
  user-select: none;
}
.stat-card-link:hover {
  background: var(--bg3);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.stat-card-link:hover .stat-label::after {
  content: ' →';
  color: var(--accent, var(--amber));
}
.stat-icon { font-size: 1.6rem; margin-bottom: 8px; }
.stat-value {
  font-family: var(--font-head); font-size: 2.2rem; font-weight: 800;
  color: var(--accent, var(--amber)); line-height: 1;
}
.stat-label { font-size: 0.78rem; color: var(--text2); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ── SECTION HEADER ── */
.section-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.section-count {
  background: var(--bg3); border: 1px solid var(--border2);
  padding: 2px 10px; border-radius: 20px;
  font-size: 0.78rem; color: var(--text2);
}
.section-actions { margin-left: auto; display: flex; gap: 8px; }

/* ── FILTERS BAR ── */
.filters-bar {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r2); padding: 14px 16px;
  display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
  margin-bottom: 16px;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-label { font-size: 0.72rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-input, .filter-select {
  background: var(--bg3); border: 1px solid var(--border2);
  color: var(--text); border-radius: var(--r);
  padding: 7px 11px; font-size: 0.88rem; font-family: var(--font-body);
  outline: none; transition: border-color .2s;
  min-width: 140px;
}
.filter-input:focus, .filter-select:focus { border-color: var(--amber); }
.filter-select option { background: var(--bg3); color: var(--text); }
.filter-actions { display: flex; gap: 8px; align-items: flex-end; }

/* ── PAGINATION ── */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; padding: 16px;
}
.page-btn {
  min-width: 32px; height: 32px; border-radius: var(--r);
  border: 1px solid var(--border2); background: var(--bg3);
  color: var(--text2); cursor: pointer; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.page-btn:hover { border-color: var(--amber); color: var(--amber); }
.page-btn.active { background: var(--amber); color: #000; border-color: var(--amber); font-weight: 700; }
.page-info { font-size: 0.8rem; color: var(--text3); margin: 0 8px; }

/* ── SELECTION / BULK ── */
.bulk-bar {
  display: none; align-items: center; gap: 12px;
  background: var(--amber-dim); border: 1px solid var(--amber-glow);
  border-radius: var(--r); padding: 10px 16px; margin-bottom: 12px;
  animation: fadeIn .2s ease;
}
.bulk-bar.visible { display: flex; }
.bulk-count { font-family: var(--font-head); font-weight: 700; color: var(--amber); }
@keyframes fadeIn { from { opacity:0; transform:translateY(-4px); } to { opacity:1; transform:translateY(0); } }

/* ── ROW CHECKBOX ── */
.row-check { width: 16px; height: 16px; accent-color: var(--amber); cursor: pointer; }

/* ── COLUMN TOGGLE PANEL ── */
.col-toggle-wrap { position: relative; }
.col-panel {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 200;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r2); padding: 10px 4px;
  min-width: 160px; box-shadow: 0 8px 24px rgba(0,0,0,.35);
  animation: fadeIn .15s ease;
}
.col-panel-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px; cursor: pointer; border-radius: 6px;
  font-size: .85rem; color: var(--text1); transition: background .15s;
}
.col-panel-item:hover { background: var(--bg3); }
.col-panel-item input[type=checkbox] { accent-color: var(--amber); width:14px; height:14px; cursor:pointer; }

/* ── MOVEMENTS COLORS ── */
.mov-entrada { color: var(--green); }
.mov-salida  { color: var(--red); }
.mov-ajuste  { color: var(--blue); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --chat-w: 100%; }
  .nav-tabs { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  th:nth-child(n+5), td:nth-child(n+5) { display: none; }
  .import-options { grid-template-columns: 1fr; }
}