/* ==========================================================================
   ContabiliTudo - Vanilla CSS Design System (Apple-Inspired & Tech SaaS)
   Dominio: contabilitudo.com.br
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors - Slate & Indigo Tech Palette */
  --color-slate-950: #030712;
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50:  #f8fafc;

  /* Primary Accent - Indigo SaaS */
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-active: #3730a3;
  --color-primary-light: #eef2ff;
  --color-primary-subtle: #e0e7ff;

  /* Status Colors */
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-success-text: #047857;

  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-warning-text: #b45309;

  --color-danger: #e11d48;
  --color-danger-bg: #fff1f2;
  --color-danger-text: #be123c;

  --color-info: #0284c7;
  --color-info-bg: #f0f9ff;
  --color-info-text: #0369a1;

  /* Backgrounds & Cards */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f1f5f9;

  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Radii - Discrete & Refined (No pill exaggeration) */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 6px;
  --radius-xl: 6px;

  /* Elevation / Shadows - Subtle & Deep (Without harsh drop shadows) */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.05), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 8px 20px -4px rgba(15, 23, 42, 0.07), 0 3px 8px -2px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 12px 28px -6px rgba(15, 23, 42, 0.09);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--color-slate-800);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Container & Layout Utilities */
.ct-container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.ct-container-wide {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Container de Tabela Responsiva com Scroll Horizontal Seguro */
.ct-responsive-table {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
}

/* Flex & Grid Layouts */
.ct-flex { display: flex; }
.ct-flex-col { display: flex; flex-direction: column; }
.ct-items-center { align-items: center; }
.ct-justify-between { justify-content: space-between; }
.ct-justify-center { justify-content: center; }
.ct-gap-xs { gap: 8px; }
.ct-gap-sm { gap: 12px; }
.ct-gap-md { gap: 20px; }
.ct-gap-lg { gap: 32px; }

.ct-grid { display: grid; }
.ct-grid-2 { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.ct-grid-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ct-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }

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

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

/* Typography Helpers */
.ct-title-lg {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-slate-900);
}

.ct-title-md {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-slate-900);
}

.ct-title-sm {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-slate-900);
}

.ct-text-muted {
  color: var(--color-slate-600);
}

.ct-text-gradient {
  background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Acessibilidade & Focus-visible WCAG 2.2 */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .ct-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Buttons System */
.ct-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  line-height: 1.35;
  text-align: center;
  user-select: none;
}

.ct-btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  border-color: var(--color-primary);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.ct-btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(15, 23, 42, 0.12);
}

.ct-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.1);
}

.ct-btn-secondary {
  background-color: var(--ctdk-bg-ffffff, #ffffff);
  color: var(--color-slate-800) !important;
  border: 1.5px solid var(--color-slate-200);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.ct-btn-secondary:hover {
  background-color: var(--color-slate-50);
  color: var(--color-slate-950) !important;
  border-color: var(--color-slate-300);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.ct-btn-secondary:active {
  transform: translateY(0);
  box-shadow: none;
}

.ct-btn-dark {
  background-color: var(--color-slate-900);
  color: #ffffff !important;
  border-color: var(--color-slate-900);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.2);
}

.ct-btn-dark:hover {
  background-color: var(--color-slate-800);
  border-color: var(--color-slate-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.ct-btn-dark:active {
  transform: translateY(0);
}

.ct-btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.ct-btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Badges & Status Indicators com Borda Fina de Contraste */
.ct-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.ct-badge-success {
  background-color: var(--ctdk-bg-d1fae5, #d1fae5);
  color: var(--ctdk-fg-065f46, #065f46);
  border: 1px solid var(--ctdk-bd-a7f3d0, #a7f3d0);
}

.ct-badge-warning {
  background-color: var(--ctdk-bg-fef3c7, #fef3c7);
  color: var(--ctdk-fg-92400e, #92400e);
  border: 1px solid var(--ctdk-bd-fde68a, #fde68a);
}

.ct-badge-danger {
  background-color: var(--ctdk-bg-ffe4e6, #ffe4e6);
  color: var(--ctdk-fg-9f1239, #9f1239);
  border: 1px solid var(--ctdk-bd-fecdd3, #fecdd3);
}

.ct-badge-info {
  background-color: var(--ctdk-bg-e0e7ff, #e0e7ff);
  color: var(--ctdk-fg-3730a3, #3730a3);
  border: 1px solid var(--ctdk-bd-c7d2fe, #c7d2fe);
}

.ct-badge-neutral {
  background-color: var(--ctdk-bg-f1f5f9, #f1f5f9);
  color: var(--ctdk-fg-334155, #334155);
  border: 1px solid var(--ctdk-bd-e2e8f0, #e2e8f0);
}

/* Card Component */
.ct-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.ct-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-slate-300);
}

.ct-card-subtle {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 28px;
}

/* Inputs & Form Elements */
.ct-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.ct-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-slate-700);
}

.ct-input, .ct-select, .ct-textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.95rem;
  background-color: var(--ctdk-bg-ffffff, #ffffff);
  border: 1.5px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  color: var(--color-slate-800);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.ct-input:focus, .ct-select:focus, .ct-textarea:focus {
  background-color: var(--ctdk-bg-ffffff, #ffffff);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15), var(--shadow-sm);
}

/* Micro-animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ct-animate-fade {
  animation: fadeIn 350ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Signature & Attribution badge */
.ct-signature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--color-primary-light);
  color: var(--ct-primary-text, var(--color-primary));
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
}