/* ============================================================
   NFS-e Freire — Design System
   Premium Enterprise Fiscal Platform
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── CSS Custom Properties (Design Tokens) ────────────────── */
:root {
  /* ─ Brand Colors ─ */
  --color-primary-50:  #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-200: #C7D2FE;
  --color-primary-300: #A5B4FC;
  --color-primary-400: #818CF8;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;
  --color-primary-800: #3730A3;
  --color-primary-900: #312E81;

  /* ─ Accent (Emerald for Success/Fiscal) ─ */
  --color-accent-50:  #ECFDF5;
  --color-accent-100: #D1FAE5;
  --color-accent-200: #A7F3D0;
  --color-accent-300: #6EE7B7;
  --color-accent-400: #34D399;
  --color-accent-500: #10B981;
  --color-accent-600: #059669;
  --color-accent-700: #047857;
  --color-accent-800: #065F46;
  --color-accent-900: #064E3B;

  /* ─ Warning / Caution ─ */
  --color-warning-50:  #FFFBEB;
  --color-warning-100: #FEF3C7;
  --color-warning-400: #FBBF24;
  --color-warning-500: #F59E0B;
  --color-warning-600: #D97706;

  /* ─ Danger / Error ─ */
  --color-danger-50:  #FEF2F2;
  --color-danger-100: #FEE2E2;
  --color-danger-400: #F87171;
  --color-danger-500: #EF4444;
  --color-danger-600: #DC2626;

  /* ─ Neutral (Slate) ─ */
  --color-neutral-0:   #FFFFFF;
  --color-neutral-25:  #FCFCFD;
  --color-neutral-50:  #F8FAFC;
  --color-neutral-100: #F1F5F9;
  --color-neutral-200: #E2E8F0;
  --color-neutral-300: #CBD5E1;
  --color-neutral-400: #94A3B8;
  --color-neutral-500: #64748B;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1E293B;
  --color-neutral-900: #0F172A;
  --color-neutral-950: #020617;

  /* ─ Surfaces (Dark Mode Defaults) ─ */
  --surface-base:      #0B0F1A;
  --surface-raised:    #111827;
  --surface-overlay:   #1F2937;
  --surface-subtle:    #1a2236;
  --surface-card:      rgba(17, 24, 39, 0.7);
  --surface-card-hover:rgba(31, 41, 55, 0.8);
  --surface-glass:     rgba(255, 255, 255, 0.03);
  --surface-glass-border: rgba(255, 255, 255, 0.06);

  /* ─ Typography ─ */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.8125rem;  /* 13px */
  --text-base: 0.875rem;   /* 14px */
  --text-md:   1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */

  /* ─ Spacing ─ */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* ─ Borders & Radius ─ */
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;
  --border-width: 1px;

  /* ─ Shadows ─ */
  --shadow-sm:  0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl:  0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 20px rgba(99, 102, 241, 0.15);
  --shadow-glow-accent:  0 0 20px rgba(16, 185, 129, 0.15);

  /* ─ Transitions ─ */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:   150ms;
  --duration-normal: 250ms;
  --duration-slow:   400ms;

  /* ─ Layout ─ */
  --sidebar-width: 280px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --content-max-width: 1400px;

  /* ─ Z-index ─ */
  --z-base:     1;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-neutral-200);
  background-color: var(--surface-base);
  overflow-x: hidden;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-neutral-700);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-neutral-600);
}

/* ── Selection ─────────────────────────────────────────────── */
::selection {
  background-color: var(--color-primary-600);
  color: var(--color-neutral-0);
}

/* ── Links ─────────────────────────────────────────────────── */
a {
  color: var(--color-primary-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover {
  color: var(--color-primary-300);
}

/* ── Focus Ring ────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* ============================================================
   COMPONENT LIBRARY
   ============================================================ */

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  color: var(--color-neutral-0);
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface-overlay);
  color: var(--color-neutral-200);
  border-color: var(--surface-glass-border);
}
.btn-secondary:hover {
  background: var(--color-neutral-700);
  border-color: var(--color-neutral-600);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-accent-600), var(--color-accent-700));
  color: var(--color-neutral-0);
  box-shadow: var(--shadow-md), var(--shadow-glow-accent);
}
.btn-success:hover {
  background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
  box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.25);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger-500), var(--color-danger-600));
  color: var(--color-neutral-0);
}

.btn-ghost {
  background: transparent;
  color: var(--color-neutral-400);
}
.btn-ghost:hover {
  background: var(--surface-glass);
  color: var(--color-neutral-200);
}

.btn-sm { padding: var(--space-1) var(--space-3); font-size: var(--text-xs); }
.btn-lg { padding: var(--space-3) var(--space-8); font-size: var(--text-md); }
.btn-icon { padding: var(--space-2); aspect-ratio: 1; }

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Form Controls ─────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-label .required {
  color: var(--color-danger-400);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-neutral-100);
  background: var(--surface-raised);
  border: var(--border-width) solid var(--color-neutral-700);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  outline: none;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-neutral-600);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-input.is-valid { border-color: var(--color-accent-500); }
.form-input.is-invalid { border-color: var(--color-danger-500); }

.form-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input::placeholder {
  color: var(--color-neutral-600);
}

.form-input-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.form-help {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger-400);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 6.646a.5.5 0 0 1 .708 0L8 9.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}
.form-select::-ms-expand {
  display: none;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--surface-card);
  border: var(--border-width) solid var(--surface-glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
  min-width: 0;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: var(--border-width) solid var(--surface-glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.card-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-neutral-100);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-width) solid var(--surface-glass-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary-400);
  border: 1px solid rgba(99, 102, 241, 0.2);
}
.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-400);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning-400);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger-400);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ── Callouts (avisos em cards / formulários) ───────────────── */
.callout {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-neutral-800);
}

.callout strong {
  font-weight: 700;
}

.callout-warn {
  border-left-color: var(--color-warning-600);
  background: rgba(245, 158, 11, 0.08);
  color: var(--color-neutral-800);
}

.callout-warn .callout-title,
.callout-warn > strong:first-child {
  color: var(--color-warning-700);
}

.callout-info {
  border-left-color: var(--color-primary-600);
  background: rgba(99, 102, 241, 0.06);
  color: var(--color-neutral-800);
}

.callout-info .callout-title,
.callout-info > strong:first-child {
  color: var(--color-primary-700);
}

.callout-muted {
  border-left-color: var(--color-neutral-400);
  background: var(--color-neutral-50);
  color: var(--color-neutral-700);
}

/* ── Banners de status (feedback inline, ex. sync ADN) ─────── */
.status-banner {
  display: none;
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.55;
  border: 1px solid;
}

.status-banner.is-visible {
  display: block;
}

.status-banner-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.28);
  color: var(--color-neutral-800);
}

.status-banner-success {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.28);
  color: var(--color-neutral-800);
}

.status-banner-error {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.28);
  color: var(--color-neutral-800);
}

/* ── Status Indicator ──────────────────────────────────────── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.online  { background: var(--color-accent-400); box-shadow: 0 0 6px var(--color-accent-400); }
.status-dot.warning { background: var(--color-warning-400); box-shadow: 0 0 6px var(--color-warning-400); }
.status-dot.offline { background: var(--color-danger-400); box-shadow: 0 0 6px var(--color-danger-400); }

/* ── Tabs ──────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: var(--border-width) solid var(--surface-glass-border);
  padding: 0 var(--space-2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-neutral-500);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
}
.tab:hover { color: var(--color-neutral-300); }
.tab.active {
  color: var(--color-primary-400);
  border-bottom-color: var(--color-primary-500);
}

/* ── Wizard Stepper ─────────────────────────────────────────── */
.wizard-stepper {
  margin-bottom: var(--space-5);
  padding: var(--space-4) var(--space-3);
  background: var(--surface-card);
  border: var(--border-width) solid var(--surface-glass-border);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.wizard-stepper__list {
  display: flex;
  align-items: flex-start;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: min(100%, 720px);
}

.wizard-step {
  flex: 1 1 0;
  min-width: 4.5rem;
  position: relative;
  display: flex;
  justify-content: center;
}

.wizard-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 1.125rem;
  left: calc(50% + 1.125rem);
  right: calc(-50% + 1.125rem);
  height: 2px;
  background: var(--surface-glass-border);
  z-index: 0;
  pointer-events: none;
}

.wizard-step--completed:not(:last-child)::after {
  background: var(--color-accent-500);
}

.wizard-step__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0 var(--space-1);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.wizard-step__btn:disabled {
  cursor: default;
  opacity: 0.55;
}

.wizard-step--upcoming .wizard-step__btn:not(:disabled) {
  cursor: pointer;
}

.wizard-step__marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  border: 2px solid var(--surface-glass-border);
  background: var(--surface-raised);
  color: var(--color-neutral-500);
  transition: all var(--duration-fast) var(--ease-out);
}

.wizard-step--current .wizard-step__marker {
  border-color: var(--color-primary-500);
  background: var(--color-primary-600);
  color: var(--color-neutral-0);
  box-shadow: var(--shadow-glow-primary);
}

.wizard-step--completed .wizard-step__marker {
  border-color: var(--color-accent-500);
  background: var(--color-accent-600);
  color: var(--color-neutral-0);
}

.wizard-step__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-neutral-500);
  text-align: center;
  line-height: 1.25;
  max-width: 5.5rem;
}

.wizard-step--current .wizard-step__label {
  color: var(--color-primary-400);
  font-weight: 600;
}

.wizard-step--completed .wizard-step__label {
  color: var(--color-accent-400);
}

.wizard-nav {
  margin-top: var(--space-4);
  position: sticky;
  bottom: var(--space-4);
  z-index: var(--z-sticky);
}

.wizard-nav .card-body {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.wizard-nav__meta {
  font-size: var(--text-sm);
  text-align: center;
  flex: 1 1 auto;
  min-width: 10rem;
}

@media (max-width: 640px) {
  .wizard-step__label {
    display: none;
  }
  .wizard-step {
    min-width: 2.75rem;
  }
}

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  padding: var(--space-5) var(--space-6);
  background: var(--surface-card);
  border: var(--border-width) solid var(--surface-glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--stat-color, var(--color-primary-500)), transparent);
  opacity: 0.6;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-neutral-0);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

.stat-change {
  font-size: var(--text-xs);
  font-weight: 600;
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.stat-change.positive { color: var(--color-accent-400); }
.stat-change.negative { color: var(--color-danger-400); }

/* ── Table Container (scroll horizontal em telas menores) ───── */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Data Table ────────────────────────────────────────────── */
.data-table {
  width: 100%;
  min-width: 900px;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table thead th {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  border-bottom: var(--border-width) solid var(--surface-glass-border);
  position: sticky;
  top: 0;
  background: var(--surface-raised);
  z-index: var(--z-sticky);
}

.data-table tbody td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-neutral-300);
  border-bottom: var(--border-width) solid rgba(255, 255, 255, 0.03);
  transition: background var(--duration-fast) var(--ease-out);
}

.data-table tbody tr:hover td {
  background: var(--surface-glass);
}

.data-table .cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary-400);
}

/* ── Tabela Notas ADN (colunas com largura adequada) ─────────── */
.data-table--notas-adn th:nth-child(1),
.data-table--notas-adn td:nth-child(1) { min-width: 100px; }
.data-table--notas-adn th:nth-child(2),
.data-table--notas-adn td:nth-child(2) { min-width: 180px; font-family: var(--font-mono); font-size: 0.8rem; word-break: break-all; }
.data-table--notas-adn th:nth-child(3),
.data-table--notas-adn td:nth-child(3) { min-width: 180px; white-space: normal; word-wrap: break-word; }
.data-table--notas-adn th:nth-child(4),
.data-table--notas-adn td:nth-child(4) { min-width: 180px; white-space: normal; word-wrap: break-word; }
.data-table--notas-adn th:nth-child(5),
.data-table--notas-adn td:nth-child(5) { min-width: 220px; max-width: 320px; white-space: normal; word-wrap: break-word; line-height: 1.35; }
.data-table--notas-adn th:nth-child(6),
.data-table--notas-adn td:nth-child(6) { min-width: 90px; white-space: nowrap; }
.data-table--notas-adn th:nth-child(7),
.data-table--notas-adn td:nth-child(7) { min-width: 100px; }
.data-table--notas-adn th:nth-child(8),
.data-table--notas-adn td:nth-child(8) { min-width: 70px; text-align: center; }
.data-table--notas-adn th:nth-child(9),
.data-table--notas-adn td:nth-child(9) { min-width: 140px; }

/* ── Grid Utilities ────────────────────────────────────────── */
.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (max-width: 1280px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ── Form Row ──────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* ── Filter toolbar (filtros responsivos em páginas) ───────── */
.filter-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-toolbar .form-input,
.filter-toolbar .form-select {
  min-width: 0;
}

.filter-toolbar-search {
  position: relative;
  flex: 1 1 180px;
  min-width: 0;
  max-width: 360px;
}

.filter-toolbar-comp {
  flex: 0 1 auto;
  min-width: 0;
  width: auto;
}

.filter-toolbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-left: auto;
}

@media (max-width: 640px) {
  .filter-toolbar-search {
    flex: 1 1 100%;
    max-width: none;
  }

  .filter-toolbar-actions {
    margin-left: 0;
    width: 100%;
  }

  .stack-on-mobile {
    grid-template-columns: 1fr !important;
  }
}

/* ── Section ───────────────────────────────────────────────── */
.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-neutral-100);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-width) solid var(--surface-glass-border);
}

.section-title .icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
  border-radius: var(--radius-md);
  font-size: var(--text-md);
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position: 200% 0; }
}

.animate-fade-in   { animation: fadeIn var(--duration-normal) var(--ease-out) both; }
.animate-slide-up  { animation: slideUp var(--duration-slow) var(--ease-out) both; }
.animate-slide-in  { animation: slideInRight var(--duration-slow) var(--ease-out) both; }
.animate-pulse     { animation: pulse 2s ease-in-out infinite; }

/* Stagger children */
.stagger > *:nth-child(1)  { animation-delay: 0ms; }
.stagger > *:nth-child(2)  { animation-delay: 60ms; }
.stagger > *:nth-child(3)  { animation-delay: 120ms; }
.stagger > *:nth-child(4)  { animation-delay: 180ms; }
.stagger > *:nth-child(5)  { animation-delay: 240ms; }
.stagger > *:nth-child(6)  { animation-delay: 300ms; }
.stagger > *:nth-child(7)  { animation-delay: 360ms; }
.stagger > *:nth-child(8)  { animation-delay: 420ms; }

/* ── Utility ───────────────────────────────────────────────── */
.text-primary { color: var(--color-primary-400); }
.text-accent  { color: var(--color-accent-400); }
.text-muted   { color: var(--color-neutral-500); }
.text-mono    { font-family: var(--font-mono); }
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only      { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.p-4   { padding: var(--space-4); }
.p-6   { padding: var(--space-6); }

.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Toast/Notification ────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  backdrop-filter: blur(12px);
  animation: slideInRight var(--duration-slow) var(--ease-spring) both;
  min-width: 300px;
  max-width: 450px;
  box-shadow: var(--shadow-xl);
}
.toast-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-accent-300);
}
.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-danger-300);
}
.toast-info {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--color-primary-300);
}
.toast-warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--color-warning-400);
}

/* ── Loading Skeleton ──────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-overlay) 25%,
    var(--color-neutral-800) 50%,
    var(--surface-overlay) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  text-align: center;
  color: var(--color-neutral-500);
}
.empty-state .icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}