/* ============================================================
   LGC ERP v3 — Design System
   Referências: Linear, Stripe, Apple, Notion, Raycast
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;450;500;550;600;700&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg-app); color: var(--text-primary); height: 100vh; overflow: hidden; }
button, input, select, textarea { font-family: inherit; }
a { text-decoration: none; color: inherit; }

/* ── Tokens ── */
:root {
  /* Sidebar */
  --sidebar-bg:        #0A0A0B;
  --sidebar-border:    rgba(255,255,255,0.06);
  --sidebar-item-h:    rgba(255,255,255,0.05);
  --sidebar-item-a:    rgba(99,102,241,0.12);
  --sidebar-text:      #71717A;
  --sidebar-text-h:    #A1A1AA;
  --sidebar-text-a:    #FFFFFF;
  --sidebar-accent:    #6366F1;
  --sidebar-w:         232px;

  /* App */
  --bg-app:            #F5F5F7;
  --bg-surface:        #FFFFFF;
  --bg-surface-2:      #FAFAFA;
  --bg-overlay:        rgba(0,0,0,0.03);

  /* Colors */
  --blue:              #2563EB;
  --blue-light:        #EFF6FF;
  --blue-mid:          #BFDBFE;
  --indigo:            #6366F1;
  --green:             #16A34A;
  --green-light:       #F0FDF4;
  --amber:             #D97706;
  --amber-light:       #FFFBEB;
  --red:               #DC2626;
  --red-light:         #FEF2F2;
  --purple:            #7C3AED;

  /* Borders */
  --border:            rgba(0,0,0,0.08);
  --border-strong:     rgba(0,0,0,0.14);
  --border-focus:      #2563EB;

  /* Text */
  --text-primary:      #0A0A0B;
  --text-secondary:    #52525B;
  --text-muted:        #A1A1AA;
  --text-placeholder:  #D4D4D8;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 8px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:  0 12px 24px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl:  0 24px 48px rgba(0,0,0,0.10), 0 8px 16px rgba(0,0,0,0.06);

  /* Radius */
  --r-xs:  4px;
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  18px;
  --r-2xl: 24px;

  /* Motion */
  --ease:       cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out:   cubic-bezier(0.0, 0.0, 0.2, 1);
  --t-fast:     120ms;
  --t-base:     200ms;
  --t-slow:     320ms;
}

/* ── Layout Shell ── */
.app-shell { display: flex; height: 100vh; overflow: hidden; }

/* ══════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 200;
  border-right: 1px solid var(--sidebar-border);
  will-change: transform;
}

/* Logo */
.sidebar-logo {
  padding: 22px 18px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, #6366F1, #818CF8);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99,102,241,0.4);
}
.logo-icon svg { display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-size: 14px; font-weight: 650; color: #FAFAFA; letter-spacing: -0.3px; }
.logo-tagline { font-size: 10px; color: #3F3F46; margin-top: 2px; letter-spacing: 0.02em; }

/* Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 10px 0;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar { display: none; }

.nav-group { margin-bottom: 6px; }
.nav-group-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #27272A;
  padding: 8px 8px 4px;
  display: block;
}
.nav-group-divider {
  height: 1px;
  background: var(--sidebar-border);
  margin: 8px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 9px;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--sidebar-text);
  transition:
    background var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out);
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}
.nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2.5px;
  border-radius: 0 2px 2px 0;
  background: var(--sidebar-accent);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
  transform: scaleY(0.6);
}
.nav-item:hover { background: var(--sidebar-item-h); color: var(--sidebar-text-h); }
.nav-item.active {
  background: var(--sidebar-item-a);
  color: var(--sidebar-text-a);
}
.nav-item.active::before { opacity: 1; transform: scaleY(1); }

.nav-icon {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--t-fast);
}
.nav-item:hover .nav-icon,
.nav-item.active .nav-icon { opacity: 1; }

.nav-label { font-size: 12.5px; font-weight: 450; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-item.active .nav-label { font-weight: 500; }

/* Sidebar footer */
.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.sidebar-user {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366F1, #A78BFA);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: white;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: opacity .2s;
}
.sidebar-user:hover { opacity: .85; }
.sidebar-user::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,.45) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z'/%3E%3Ccircle cx='12' cy='13' r='4'/%3E%3C/svg%3E") no-repeat center;
  opacity: 0;
  transition: opacity .2s;
}
.sidebar-user:hover::after { opacity: 1; }
.sidebar-user-info { flex: 1; overflow: hidden; }
.sidebar-user-name { font-size: 11.5px; font-weight: 500; color: #A1A1AA; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-version { font-size: 10px; color: #3F3F46; }

/* ══════════════════════════════════════════
   MAIN CONTENT
══════════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-app);
  display: flex;
  flex-direction: column;
}
#module-container { flex: 1; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Page Header ── */
.page-header {
  padding: 28px 36px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.page-breadcrumb svg { opacity: 0.5; }
.page-breadcrumb span:last-child { color: var(--text-secondary); }
.page-title { font-size: 18px; font-weight: 650; color: var(--text-primary); letter-spacing: -0.4px; }
.page-subtitle { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

/* ── Page Body ── */
.page-body { padding: 28px 36px; }

/* ══════════════════════════════════════════
   GRID LAYOUTS
══════════════════════════════════════════ */
.grid-main { display: grid; grid-template-columns: 1fr 360px; gap: 20px; align-items: start; }

/* Grid items shrink to fit their column instead of forcing overflow past the
   viewport (repeat(N,1fr) columns default to min-width:auto on children). */
.pm-stats > *, .ab-kpis > *, .cr-kpis > *, .cs-kpis > *,
.obra-card-stats > *, .cockpit-stats > *,
[style*="grid-template-columns"] > * {
  min-width: 0;
}

/* ══════════════════════════════════════════
   CARDS
══════════════════════════════════════════ */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--t-base) var(--ease-out);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.1px; }
.card-meta { font-size: 11.5px; color: var(--text-muted); }

.card-body { padding: 20px; }
.card-body-lg { padding: 24px; }

.card-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-section:last-child { border-bottom: none; }

/* ══════════════════════════════════════════
   FORM ELEMENTS
══════════════════════════════════════════ */
.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }

.label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 550;
  color: var(--text-secondary);
  margin-bottom: 5px;
  letter-spacing: 0.01em;
}
.label-req { color: var(--red); font-size: 10px; }
.label-hint { font-size: 10.5px; font-weight: 400; color: var(--text-muted); margin-left: auto; }

.input {
  width: 100%;
  height: 36px;
  padding: 0 11px;
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  outline: none;
  transition:
    border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out),
    background var(--t-fast);
  appearance: none;
  -webkit-appearance: none;
}
.input::placeholder { color: var(--text-placeholder); font-size: 12.5px; }
.input:hover:not(:disabled) { border-color: #C4C4C8; }
.input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.10);
  background: #FDFEFF;
}
.input:disabled {
  background: var(--bg-overlay);
  color: var(--text-muted);
  cursor: not-allowed;
  border-color: var(--border);
}

.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-right: 62px; }
.input-suffix {
  position: absolute;
  right: 10px;
  font-size: 10px;
  font-weight: 650;
  color: var(--blue);
  background: var(--blue-light);
  padding: 2px 7px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Select ── */
.select-wrap { position: relative; }
.select-wrap::after {
  content: '';
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-muted);
  pointer-events: none;
}
.input.select { padding-right: 32px; cursor: pointer; }

/* ══════════════════════════════════════════
   PRODUCT CARDS
══════════════════════════════════════════ */
.products-wrap { margin-top: 2px; }
.products-heading {
  font-size: 11.5px;
  font-weight: 550;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.products-total-badge {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-light);
  padding: 2px 9px;
  border-radius: 20px;
  transition: all var(--t-base);
}

.products-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.product-card {
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-surface);
  cursor: pointer;
  transition:
    border-color var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out),
    background var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(37,99,235,0.04), transparent 60%);
  opacity: 0;
  transition: opacity var(--t-base);
}
.product-card:hover { border-color: var(--blue-mid); box-shadow: var(--shadow-xs); transform: translateY(-1px); }
.product-card:hover::before { opacity: 1; }
.product-card:active { transform: translateY(0); }
.product-card.selected {
  border-color: var(--blue);
  background: #FAFCFF;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08), var(--shadow-sm);
}

.product-card-top {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 12px 10px;
}
.product-icon-wrap {
  width: 30px; height: 30px;
  border-radius: var(--r-sm);
  background: var(--bg-overlay);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: background var(--t-fast), color var(--t-fast);
}
.product-card.selected .product-icon-wrap { background: var(--blue-light); color: var(--blue); }

.product-label { font-size: 11.5px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.02em; }
.product-check {
  margin-left: auto;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
.product-card.selected .product-check {
  background: var(--blue);
  border-color: var(--blue);
}
.product-check svg { display: none; }
.product-card.selected .product-check svg { display: block; }

.product-expand {
  padding: 0 12px 12px;
  display: none;
  gap: 8px;
  flex-direction: column;
  animation: expandDown var(--t-base) var(--ease) both;
}
@keyframes expandDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.product-card.selected .product-expand { display: flex; }

.product-divider {
  height: 1px;
  background: var(--blue-mid);
  margin-bottom: 4px;
  opacity: 0.4;
}
.product-field-label {
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.product-input {
  width: 100%;
  height: 30px;
  padding: 0 9px;
  font-size: 12.5px;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--blue-mid);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.product-input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(37,99,235,0.1); }

/* Deselect btn */
.product-deselect {
  position: absolute;
  top: 7px; right: 7px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(37,99,235,0.1);
  border: none;
  cursor: pointer;
  display: none;
  align-items: center; justify-content: center;
  color: var(--blue);
  font-size: 12px; line-height: 1;
  transition: background var(--t-fast);
  z-index: 2;
}
.product-card.selected .product-deselect { display: flex; }
.product-deselect:hover { background: rgba(37,99,235,0.2); }

/* ══════════════════════════════════════════
   TOTALS BAR
══════════════════════════════════════════ */
.totals-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
  padding: 12px 14px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.total-item { display: flex; flex-direction: column; gap: 2px; }
.total-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.total-value { font-size: 17px; font-weight: 650; color: var(--text-primary); letter-spacing: -0.5px; transition: color var(--t-base); }
.total-value.has-value { color: var(--blue); }

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 550;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease-out),
    box-shadow var(--t-fast) var(--ease-out),
    transform var(--t-fast) var(--ease-out),
    opacity var(--t-fast);
  white-space: nowrap;
  outline: none;
  position: relative;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.975); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37,99,235,0.3), 0 0 0 1px rgba(37,99,235,0.2) inset;
}
.btn-primary:hover { background: #1D4ED8; box-shadow: 0 4px 12px rgba(37,99,235,0.35), 0 0 0 1px rgba(37,99,235,0.3) inset; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover { background: var(--bg-overlay); border-color: #C4C4C8; }
.btn-ghost::after { display: none; }

.btn-danger { background: var(--red-light); color: var(--red); border: 1px solid rgba(220,38,38,0.15); }
.btn-danger:hover { background: #FEE2E2; }

.btn-full { width: 100%; }
.btn-lg { height: 40px; font-size: 13.5px; font-weight: 600; border-radius: var(--r-md); }

.btn-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }

/* Loading state in btn */
.btn-loading { pointer-events: none; }
.btn-loading .btn-text { opacity: 0; }
.btn-spinner {
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════
   DATA TABLE
══════════════════════════════════════════ */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead tr { border-bottom: 1px solid var(--border); }
.data-table th {
  padding: 8px 16px 10px;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  text-align: left;
  white-space: nowrap;
}
.data-table td {
  padding: 11px 16px;
  font-size: 12.5px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  vertical-align: middle;
}
.data-table tbody tr { transition: background var(--t-fast); cursor: default; }
.data-table tbody tr:hover td { background: rgba(0,0,0,0.015); }
.data-table tbody tr:last-child td { border-bottom: none; }

.table-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px 20px;
  color: var(--text-muted);
}
.table-empty svg { opacity: 0.3; }
.table-empty p { font-size: 12.5px; }

/* Code chip */
.code-chip {
  font-size: 10.5px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: var(--r-xs);
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* ══════════════════════════════════════════
   STATUS BADGES
══════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 550;
  white-space: nowrap;
}
.badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0; }

.badge-green  { color: #15803D; background: #F0FDF4; }
.badge-green::before  { background: #22C55E; }
.badge-amber  { color: #B45309; background: #FFFBEB; }
.badge-amber::before  { background: #F59E0B; }
.badge-purple { color: #6D28D9; background: #F5F3FF; }
.badge-purple::before { background: #8B5CF6; }
.badge-red    { color: #B91C1C; background: var(--red-light); }
.badge-red::before    { background: var(--red); }
.badge-gray   { color: var(--text-secondary); background: var(--bg-overlay); }
.badge-gray::before   { background: var(--text-muted); }

/* ══════════════════════════════════════════
   LOADING / SKELETON
══════════════════════════════════════════ */
.loading-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
}
.loader {
  display: flex;
  gap: 6px;
  align-items: center;
}
.loader-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-dot:nth-child(1) { animation-delay: 0s; }
.loader-dot:nth-child(2) { animation-delay: 0.2s; }
.loader-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes loaderPulse {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-overlay) 25%, rgba(0,0,0,0.06) 50%, var(--bg-overlay) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--r-sm);
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Empty module state */
.module-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 80px 40px;
  text-align: center;
}
.module-empty-icon { opacity: 0.15; }
.module-empty h3 { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.module-empty p { font-size: 13px; color: var(--text-muted); }

/* ══════════════════════════════════════════
   TOAST / NOTIFICATIONS
══════════════════════════════════════════ */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 450;
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  max-width: 360px;
  animation: toastIn var(--t-slow) var(--ease) both;
}
@keyframes toastIn { from { opacity: 0; transform: translateY(8px) scale(0.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
.toast-out { animation: toastOut var(--t-base) var(--ease) both; }
@keyframes toastOut { to { opacity: 0; transform: translateY(4px) scale(0.96); } }

.toast-success { background: #0A0A0B; color: #FAFAFA; }
.toast-success .toast-icon { color: #4ADE80; }
.toast-error { background: var(--red-light); color: #991B1B; border: 1px solid #FECACA; }
.toast-error .toast-icon { color: var(--red); }
.toast-icon { flex-shrink: 0; }

/* ══════════════════════════════════════════
   SCROLLBAR
══════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* ══════════════════════════════════════════
   CURSOR IMPROVEMENTS
══════════════════════════════════════════ */
[data-module], .product-card, .btn, label[for], .nav-item { cursor: pointer; }
.input, .product-input { cursor: text; }
.input:disabled { cursor: not-allowed; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1200px) {
  .grid-main { grid-template-columns: 1fr 320px; gap: 16px; }
}

@media (max-width: 960px) {
  .grid-main { grid-template-columns: 1fr; }
  .page-body { padding: 20px 24px; }
  .page-header { padding: 20px 24px 16px; }
}

@media (max-width: 680px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-232px); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .page-body { padding: 16px; }
  .page-header { padding: 16px 16px 12px; }
  .page-title { font-size: 16px; }
  .products-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 400px) {
  .totals-row { grid-template-columns: 1fr; }
}

/* ── Focus visible (acessibilidade) ── */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: var(--r-xs); }