/* ── Reset & Base ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --laranja: #F97316;
  --laranja-dark: #ea6000;
  --laranja-light: #fed7aa;
  --preto: #1a1a1a;
  --preto2: #2d2d2d;
  --cinza1: #3a3a3a;
  --cinza2: #555;
  --cinza3: #888;
  --cinza4: #bbb;
  --cinza5: #e5e5e5;
  --cinza6: #f4f4f4;
  --branco: #fff;
  --verde: #16a34a;
  --verde-bg: #dcfce7;
  --vermelho: #dc2626;
  --vermelho-bg: #fee2e2;
  --amarelo: #ca8a04;
  --amarelo-bg: #fef9c3;
  --azul: #2563eb;
  --azul-bg: #dbeafe;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --transition: .15s ease;
  --sidebar-w: 240px;
}

html { font-size: 14px; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: var(--preto); background: var(--cinza6); line-height: 1.5; }

/* ── Login ──────────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--preto) 0%, var(--preto2) 60%, #3a1a00 100%);
  display: flex; align-items: center; justify-content: center;
}
.login-container {
  background: var(--branco);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  width: 100%; max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.logo-icon {
  width: 80px; height: 80px; border-radius: 14px;
  display: inline-block; object-fit: contain;
  margin-bottom: .75rem;
}
.login-logo h1 { font-size: 1.5rem; font-weight: 800; color: var(--preto); }
.login-logo p { color: var(--cinza3); font-size: .85rem; margin-top: .25rem; }
.login-footer { text-align: center; color: var(--cinza4); font-size: .75rem; margin-top: 1.5rem; }

/* ── Forms ──────────────────────────────────────────────────────────────────── */
.field-group { margin-bottom: 1rem; }
.field-group label { display: block; font-weight: 600; font-size: .8rem; color: var(--cinza2); margin-bottom: .3rem; text-transform: uppercase; letter-spacing: .04em; }
.field-group input, .field-group select, .field-group textarea {
  width: 100%; padding: .6rem .75rem;
  border: 1.5px solid var(--cinza5); border-radius: var(--radius);
  font-size: .9rem; color: var(--preto); background: var(--branco);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.field-group input:focus, .field-group select:focus, .field-group textarea:focus {
  border-color: var(--laranja); box-shadow: 0 0 0 3px rgba(249,115,22,.15);
}
.field-group textarea { resize: vertical; min-height: 80px; }
.field-group select { cursor: pointer; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .75rem; }

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .55rem 1rem; border-radius: var(--radius); border: none; cursor: pointer;
  font-size: .85rem; font-weight: 600; transition: all var(--transition); text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--laranja); color: var(--branco); }
.btn-primary:hover:not(:disabled) { background: var(--laranja-dark); }
.btn-secondary { background: var(--cinza6); color: var(--preto); border: 1.5px solid var(--cinza5); }
.btn-secondary:hover:not(:disabled) { background: var(--cinza5); }
.btn-danger { background: var(--vermelho-bg); color: var(--vermelho); }
.btn-danger:hover:not(:disabled) { background: var(--vermelho); color: var(--branco); }
.btn-success { background: var(--verde-bg); color: var(--verde); }
.btn-success:hover:not(:disabled) { background: var(--verde); color: var(--branco); }
.btn-sm { padding: .35rem .65rem; font-size: .78rem; }
.btn-full { width: 100%; }
.btn-icon { padding: .45rem; }

/* ── Alerts ─────────────────────────────────────────────────────────────────── */
.alert { padding: .65rem .9rem; border-radius: var(--radius); font-size: .85rem; margin-bottom: .75rem; }
.alert-erro { background: var(--vermelho-bg); color: var(--vermelho); border-left: 3px solid var(--vermelho); }
.alert-sucesso { background: var(--verde-bg); color: var(--verde); border-left: 3px solid var(--verde); }
.alert-aviso { background: var(--amarelo-bg); color: var(--amarelo); border-left: 3px solid var(--amarelo); }
.alert-info { background: var(--azul-bg); color: var(--azul); border-left: 3px solid var(--azul); }

/* ── Layout App ─────────────────────────────────────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-w); background: var(--preto); color: var(--branco);
  display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 100; transition: transform var(--transition);
}
.sidebar-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--cinza1);
  display: flex; align-items: center; gap: .75rem;
}
.sidebar-logo {
  width: 38px; height: 38px; border-radius: 8px;
  object-fit: contain; flex-shrink: 0;
}
.sidebar-brand { line-height: 1.2; }
.sidebar-brand strong { font-size: .95rem; font-weight: 700; }
.sidebar-brand span { font-size: .72rem; color: var(--cinza4); display: block; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: .5rem 0; }
.nav-section { padding: .5rem .75rem .25rem; font-size: .65rem; font-weight: 700; color: var(--cinza3); text-transform: uppercase; letter-spacing: .08em; }
.nav-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .9rem; color: var(--cinza4); text-decoration: none;
  font-size: .85rem; cursor: pointer; border-radius: 0;
  transition: color var(--transition), background var(--transition);
  border-left: 3px solid transparent;
}
.nav-item:hover { color: var(--branco); background: var(--cinza1); }
.nav-item.active { color: var(--laranja); background: rgba(249,115,22,.1); border-left-color: var(--laranja); font-weight: 600; }
.nav-item .nav-icon { font-size: 1rem; width: 18px; text-align: center; flex-shrink: 0; }

.sidebar-footer { padding: .75rem; border-top: 1px solid var(--cinza1); }
.user-chip {
  display: flex; align-items: center; gap: .6rem;
  padding: .5rem .75rem; border-radius: var(--radius); background: var(--cinza1); cursor: pointer;
}
.user-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--laranja);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; color: var(--branco); flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-info strong { display: block; font-size: .8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info span { font-size: .7rem; color: var(--cinza4); }
.nivel-badge { font-size: .65rem; padding: .15rem .4rem; border-radius: 3px; font-weight: 700; text-transform: uppercase; }
.nivel-admin { background: rgba(249,115,22,.2); color: var(--laranja); }
.nivel-tecnico { background: rgba(37,99,235,.2); color: #60a5fa; }
.nivel-visualizacao { background: rgba(136,136,136,.2); color: var(--cinza4); }

/* Main content */
.main-content {
  margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-width: 0;
}
.topbar {
  background: var(--branco); border-bottom: 1px solid var(--cinza5);
  padding: .75rem 1.5rem; display: flex; align-items: center; gap: 1rem;
  position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow);
}
.topbar h2 { font-size: 1.1rem; font-weight: 700; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .5rem; }

.page-content { padding: 1.5rem; flex: 1; }

/* Menu toggle for mobile */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--preto); font-size: 1.3rem; }

/* ── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--branco); border-radius: 8px; box-shadow: var(--shadow);
  border: 1px solid var(--cinza5);
}
.card-header {
  padding: .9rem 1.25rem; border-bottom: 1px solid var(--cinza5);
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
}
.card-header h3 { font-size: .95rem; font-weight: 700; }
.card-body { padding: 1.25rem; }

/* ── KPI Cards ──────────────────────────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi-card {
  background: var(--branco); border-radius: 8px; padding: 1.1rem 1.25rem;
  border: 1px solid var(--cinza5); box-shadow: var(--shadow);
  display: flex; align-items: center; gap: .9rem;
}
.kpi-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.kpi-icon.laranja { background: rgba(249,115,22,.12); color: var(--laranja); }
.kpi-icon.verde { background: var(--verde-bg); color: var(--verde); }
.kpi-icon.vermelho { background: var(--vermelho-bg); color: var(--vermelho); }
.kpi-icon.azul { background: var(--azul-bg); color: var(--azul); }
.kpi-icon.amarelo { background: var(--amarelo-bg); color: var(--amarelo); }
.kpi-info {}
.kpi-value { font-size: 1.55rem; font-weight: 800; line-height: 1; }
.kpi-label { font-size: .75rem; color: var(--cinza3); margin-top: .15rem; }

/* ── Tables ─────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .83rem; }
thead th {
  background: var(--cinza6); padding: .6rem .9rem;
  text-align: left; font-weight: 700; font-size: .75rem; color: var(--cinza2);
  text-transform: uppercase; letter-spacing: .04em;
  border-bottom: 2px solid var(--cinza5); white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--cinza5); transition: background var(--transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--cinza6); }
tbody td { padding: .6rem .9rem; }
.td-actions { display: flex; gap: .3rem; }
.td-mono { font-family: 'Courier New', monospace; font-size: .8rem; }

/* ── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; padding: .2rem .55rem;
  border-radius: 4px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
}
.badge-verde { background: var(--verde-bg); color: var(--verde); }
.badge-vermelho { background: var(--vermelho-bg); color: var(--vermelho); }
.badge-amarelo { background: var(--amarelo-bg); color: var(--amarelo); }
.badge-azul { background: var(--azul-bg); color: var(--azul); }
.badge-cinza { background: var(--cinza5); color: var(--cinza2); }
.badge-laranja { background: rgba(249,115,22,.15); color: var(--laranja-dark); }

/* ── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--branco); border-radius: 10px; box-shadow: var(--shadow-md);
  width: 100%; max-width: 560px; max-height: 90vh; display: flex; flex-direction: column;
  transform: translateY(20px); transition: transform .2s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-lg { max-width: 800px; }
.modal-header {
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--cinza5);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 1rem; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; font-size: 1.3rem; color: var(--cinza3); line-height: 1; padding: .2rem; }
.modal-close:hover { color: var(--preto); }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: .9rem 1.25rem; border-top: 1px solid var(--cinza5);
  display: flex; justify-content: flex-end; gap: .5rem;
}

/* ── Search & Filters ───────────────────────────────────────────────────────── */
.toolbar {
  display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 1rem;
}
.search-input {
  flex: 1; min-width: 200px; max-width: 340px;
  padding: .5rem .75rem; border: 1.5px solid var(--cinza5); border-radius: var(--radius);
  font-size: .85rem; outline: none; transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--laranja); }
.filter-select {
  padding: .5rem .75rem; border: 1.5px solid var(--cinza5); border-radius: var(--radius);
  font-size: .85rem; outline: none; background: var(--branco); cursor: pointer;
}

/* ── Progress / Stock indicator ────────────────────────────────────────────── */
.stock-bar { height: 6px; border-radius: 3px; background: var(--cinza5); overflow: hidden; margin-top: .3rem; }
.stock-bar-fill { height: 100%; border-radius: 3px; transition: width .3s; }
.stock-ok .stock-bar-fill { background: var(--verde); }
.stock-low .stock-bar-fill { background: var(--amarelo); }
.stock-critical .stock-bar-fill { background: var(--vermelho); }

/* ── Tabs ───────────────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--cinza5); margin-bottom: 1.25rem; }
.tab-btn {
  padding: .6rem 1.1rem; font-size: .85rem; font-weight: 600; cursor: pointer;
  border: none; background: none; color: var(--cinza3);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn.active { color: var(--laranja); border-bottom-color: var(--laranja); }
.tab-btn:hover:not(.active) { color: var(--preto); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Spinner ────────────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.3); border-top-color: currentColor;
  animation: spin .6s linear infinite; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state { display: flex; align-items: center; justify-content: center; gap: .5rem; padding: 2rem; color: var(--cinza3); font-size: .9rem; }
.loading-state .spinner { border-color: var(--cinza5); border-top-color: var(--laranja); width: 20px; height: 20px; border-width: 3px; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--cinza3); }
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-state p { font-size: .9rem; }

/* ── Paginação ──────────────────────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: .35rem; justify-content: center; padding-top: 1rem; }
.page-btn {
  padding: .35rem .65rem; border-radius: var(--radius); border: 1.5px solid var(--cinza5);
  background: var(--branco); cursor: pointer; font-size: .8rem; color: var(--cinza2);
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--laranja); color: var(--laranja); }
.page-btn.active { background: var(--laranja); border-color: var(--laranja); color: var(--branco); font-weight: 700; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Toast ──────────────────────────────────────────────────────────────────── */
#toastContainer {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999;
  display: flex; flex-direction: column; gap: .5rem; pointer-events: none;
}
.toast {
  padding: .7rem 1rem; border-radius: 8px; box-shadow: var(--shadow-md);
  font-size: .85rem; font-weight: 500; max-width: 340px; pointer-events: all;
  animation: toastIn .25s ease; display: flex; align-items: center; gap: .5rem;
}
.toast.sucesso { background: var(--verde); color: var(--branco); }
.toast.erro { background: var(--vermelho); color: var(--branco); }
.toast.aviso { background: var(--amarelo); color: var(--branco); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ── Specific page styles ───────────────────────────────────────────────────── */
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; }
@media (max-width: 900px) { .dashboard-grid { grid-template-columns: 1fr; } }

.peca-estoque-ok { color: var(--verde); font-weight: 700; }
.peca-estoque-low { color: var(--amarelo); font-weight: 700; }
.peca-estoque-zero { color: var(--vermelho); font-weight: 700; }

.tipo-badge { white-space: nowrap; }

/* Itens NF */
.nf-itens-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.nf-itens-table th { background: var(--cinza6); padding: .4rem .6rem; text-align: left; font-weight: 700; border-bottom: 1px solid var(--cinza5); }
.nf-itens-table td { padding: .4rem .6rem; border-bottom: 1px solid var(--cinza5); }
.nf-itens-table input { width: 100%; border: 1px solid var(--cinza5); border-radius: 4px; padding: .3rem .5rem; font-size: .82rem; }
.peca-search-opt:hover { background: var(--cinza6) !important; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-toggle { display: block; }
  .field-row, .field-row-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .modal { max-width: 100%; margin: 0; border-radius: 10px 10px 0 0; }
  .modal-overlay { align-items: flex-end; padding: 0; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .page-content { padding: 1rem; }
}

/* Divisor */
.divider { height: 1px; background: var(--cinza5); margin: 1rem 0; }

/* Highlight laranja */
.text-laranja { color: var(--laranja); }
.text-verde { color: var(--verde); }
.text-vermelho { color: var(--vermelho); }
.text-cinza { color: var(--cinza3); }
.font-mono { font-family: 'Courier New', monospace; }
.font-bold { font-weight: 700; }
.text-sm { font-size: .78rem; }
.text-xs { font-size: .7rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }