:root {
  /* === DESIGN TOKENS — PALETA MODERNA === */

  /* Brand Colors — Slate + Violet */
  --color-primary: #4f46e5;          /* Indigo vibrante */
  --color-primary-hover: #4338ca;    /* Indigo mais escuro */
  --color-primary-light: #eef2ff;    /* Indigo claro (bg) */
  --color-secondary: #64748b;        /* Slate medio */
  --color-accent: #8b5cf6;           /* Violet (destaques) */
  --color-dark: #1e293b;             /* Slate escuro */
  --color-border: #e2e8f0;           /* Slate border */

  /* Semantic Colors — tons suaves */
  --color-success: #10b981;          /* Emerald */
  --color-warning: #f59e0b;          /* Amber */
  --color-danger: #ef4444;           /* Red */
  --color-info: #3b82f6;             /* Blue */

  /* Neutral Colors */
  --color-bg: #f8fafc;               /* Slate 50 */
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;      /* Slate 100 */
  --color-text: #1e293b;             /* Slate 800 */
  --color-text-muted: #94a3b8;       /* Slate 400 */
  --color-text-secondary: #64748b;   /* Slate 500 */
  --color-border-light: #e2e8f0;     /* Slate 200 */

  /* Table Colors */
  --color-table-header: #f8fafc;
  --color-table-odd: #f8fafc;
  --color-table-even: #ffffff;
  --color-table-hover: #f1f5f9;

  /* Status Colors */
  --color-status-active: var(--color-primary);
  --color-status-default: #e2e8f0;
  --color-status-step-bg: #f1f5f9;

  /* Typography */
  --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  /* Bootstrap overrides */
  --bs-primary: var(--color-primary);
  --bs-secondary: var(--color-secondary);
  --bs-light: var(--color-bg);
  --bs-dark: var(--color-dark);
  --bs-border-color: var(--color-border);
  --bs-body-bg: var(--color-bg);
  --bs-body-color: var(--color-text);
  --bs-font-family-base: var(--font-body);
}

/* === GLOBAL === */
body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* === BUTTONS === */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  border-radius: var(--radius-sm);
}
.btn-primary:hover, .btn-primary:active {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.btn-success {
  background-color: var(--color-success);
  border-color: var(--color-success);
}
.btn-danger {
  background-color: var(--color-danger);
  border-color: var(--color-danger);
}
.btn {
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 700;
}

/* === CARDS === */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.card-header {
  border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
}
.card-header.bg-primary {
  background-color: var(--color-primary) !important;
}

/* === NAVBAR === */
.navbar {
  background-color: var(--color-dark) !important;
  box-shadow: var(--shadow-md);
}
.navbar .navbar-brand {
  color: #ffffff !important;
  font-weight: 700;
  font-size: 1.15rem;
}
.navbar .nav-link {
  color: #cbd5e1 !important;
  font-weight: 500;
  transition: color 0.15s;
}
.navbar .nav-link:hover {
  color: #ffffff !important;
}
.navbar .nav-link.active {
  color: #ffffff !important;
  border-bottom: 2px solid var(--color-primary);
  font-weight: 600;
}

/* === FORMS === */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--color-border-light);
}

/* Validacao inline */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}
.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
}
.validation-msg {
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}
.validation-msg.show {
  display: block;
}
.validation-msg.error {
  color: var(--color-danger);
}
.validation-msg.success {
  color: var(--color-success);
}

/* === REQUIRED FIELD INDICATOR === */
.required-mark {
  color: var(--color-danger);
  margin-left: 2px;
  font-weight: bold;
}

/* === EMPTY STATES === */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--color-text-muted);
}
.empty-state .empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.4;
  color: var(--color-secondary);
}
.empty-state .empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}
.empty-state .empty-state-text {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

/* === FOCUS STATES (Accessibility) === */
.form-control:focus,
.form-select:focus,
.btn:focus-visible,
a:focus-visible,
.nav-link:focus-visible,
.pill:focus-visible,
.stepper-step:focus-visible,
.badge:focus-visible,
input[type="checkbox"]:focus-visible {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
  border-color: var(--color-primary);
  outline: none;
}

/* === TOAST NOTIFICATIONS === */
.swal2-popup.swal2-toast {
  font-size: 0.9rem;
}

/* === SKIP LINK (Accessibility) === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  z-index: 9999;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-accent);
}

/* === LOADING SKELETON === */
.skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
  color: transparent !important;
  pointer-events: none;
  user-select: none;
}
.skeleton * {
  visibility: hidden;
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton-line {
  height: 16px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
}
.skeleton-card {
  height: 90px;
  border-radius: var(--radius-md);
}

/* === LOGIN PAGE === */
.login-card {
  border: none;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.login-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.login-card h2 {
  font-family: var(--font-display);
  color: var(--color-dark);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.spin {
  display: inline-block;
  animation: spin 1s linear infinite;
}

/* === KPI CARDS === */
.kpi-card {
  transition: transform 0.15s, box-shadow 0.15s;
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.kpi-clickable {
  cursor: pointer;
}
.kpi-clickable:hover {
  border-color: var(--color-primary) !important;
}

/* === BADGES (Bootstrap overrides) === */
.badge.bg-primary { background-color: var(--color-primary) !important; }
.badge.bg-success { background-color: var(--color-success) !important; }
.badge.bg-danger { background-color: var(--color-danger) !important; }
.badge.bg-warning { background-color: var(--color-warning) !important; }
.badge.bg-info { background-color: var(--color-info) !important; }
.badge {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 4px 8px;
}

/* === BREADCRUMB === */
.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}
.breadcrumb-item a:hover {
  color: var(--color-primary-hover);
}

/* === TABLES — global improvements === */
.table thead th {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--color-border-light);
}

/* === PAGE HEADER === */
.page-header {
  margin-bottom: var(--space-lg);
}

/* === RESPONSIVE — MOBILE FIRST === */

@media (max-width: 991.98px) {
  .navbar-brand {
    font-size: 1rem;
  }
  .col-md-8, .col-md-4 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .kpi-card .card-title {
    font-size: 1.25rem;
  }
  .stepper-label {
    font-size: 0.7rem;
  }
  .stepper-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
  .stepper-line {
    min-width: 15px;
  }
}

/* Novo Pedido — layout responsivo para campos do produto */
@media (max-width: 767.98px) {
  #pedidoForm .row > [class*="col-md-1"],
  #pedidoForm .row > [class*="col-md-2"],
  #pedidoForm .row > [class*="col-md-3"] {
    flex: 0 0 50%;
    max-width: 50%;
  }
  #pedidoForm .row > .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  /* Tabela de itens: campos menores */
  #tabela-itens-pedido th,
  #tabela-itens-pedido td {
    padding: 6px 4px;
    font-size: 0.85rem;
  }
  #tabela-itens-pedido input.form-control {
    padding: 4px 6px;
    font-size: 0.85rem;
  }
}

@media (max-width: 575.98px) {
  .container-fluid {
    padding-left: 8px;
    padding-right: 8px;
  }
  .d-flex.justify-content-between {
    flex-direction: column;
    gap: 8px;
  }
  .table-responsive-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .col-sm-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  .btn-sm {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
  .breadcrumb {
    font-size: 0.85rem;
  }
  .hide-mobile {
    display: none !important;
  }
  /* Novo Pedido: campos 100% no mobile */
  #pedidoForm .row > [class*="col-md-1"],
  #pedidoForm .row > [class*="col-md-2"],
  #pedidoForm .row > [class*="col-md-3"] {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .stepper-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
  .stepper-label {
    font-size: 0.65rem;
  }
  .modal-dialog {
    margin: 0;
    max-width: 100%;
    height: 100%;
  }
  .modal-content {
    border-radius: 0;
    height: 100%;
  }
}