/* ========================================================================
   PROFESSIONAL DESIGN SYSTEM 2025
   Design Sério, Confiável e Corporativo
   Baseado nas Tendências de Design Web 2025
   ======================================================================== */

/* ========================================================================
   1. DESIGN TOKENS - IDENTIDADE VISUAL PROFISSIONAL
   ======================================================================== */

:root {
  /* ===== CORES CORPORATIVAS SÉRIAS ===== */
  /* Azul Profissional - Confiança e Segurança */
  --color-primary-50: #E8F0F7;
  --color-primary-100: #C1D9EA;
  --color-primary-200: #96C0DB;
  --color-primary-300: #6AA7CC;
  --color-primary-400: #4A94C1;
  --color-primary-500: #2A81B6;  /* Principal */
  --color-primary-600: #2573A7;
  --color-primary-700: #1F6293;
  --color-primary-800: #19517F;
  --color-primary-900: #0F335A;

  /* Neutros - Profissionalismo e Elegância */
  --color-neutral-0: #FFFFFF;
  --color-neutral-50: #F8FAFB;
  --color-neutral-100: #F1F4F6;
  --color-neutral-200: #E4E9ED;
  --color-neutral-300: #D1D9E0;
  --color-neutral-400: #B0BDC8;
  --color-neutral-500: #7C8A96;
  --color-neutral-600: #5C6B77;
  --color-neutral-700: #3E4C56;
  --color-neutral-800: #2A3540;
  --color-neutral-900: #1A2129;
  --color-neutral-950: #0D1116;

  /* Verde Sucesso - Confiável e Positivo */
  --color-success-50: #E8F7F0;
  --color-success-500: #10B981;
  --color-success-600: #059669;
  --color-success-700: #047857;

  /* Amarelo Atenção - Sério mas Visível */
  --color-warning-50: #FEF9E7;
  --color-warning-500: #F59E0B;
  --color-warning-600: #D97706;
  --color-warning-700: #B45309;

  /* Vermelho Erro - Profissional */
  --color-error-50: #FEF2F2;
  --color-error-500: #EF4444;
  --color-error-600: #DC2626;
  --color-error-700: #B91C1C;

  /* Informação - Azul Secundário */
  --color-info-50: #EFF6FF;
  --color-info-500: #3B82F6;
  --color-info-600: #2563EB;
  --color-info-700: #1D4ED8;

  /* ===== TIPOGRAFIA PROFISSIONAL ===== */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace;

  /* Escala Tipográfica Modular (1.250 - Perfeita Quinta) */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.563rem;    /* 25px */
  --font-size-3xl: 1.953rem;    /* 31px */
  --font-size-4xl: 2.441rem;    /* 39px */
  --font-size-5xl: 3.052rem;    /* 49px */

  /* Pesos Tipográficos */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights Profissionais */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Letter Spacing */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.02em;

  /* ===== ESPAÇAMENTO CONSISTENTE ===== */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */

  /* ===== SOMBRAS PROFISSIONAIS (Sutis e Elegantes) ===== */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.06), 0 4px 6px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.07), 0 10px 10px rgba(0, 0, 0, 0.02);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.10);

  /* ===== BORDAS E RAIOS ===== */
  --border-width: 1px;
  --border-color: var(--color-neutral-200);
  
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ===== TRANSIÇÕES PROFISSIONAIS ===== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ===== Z-INDEX HIERARQUIA ===== */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;

  /* ===== BREAKPOINTS (Mobile-First) ===== */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ========================================================================
   2. MODO ESCURO ADAPTATIVO (Opcional e Elegante)
   ======================================================================== */

[data-theme="dark"] {
  --color-primary-500: #3B94C8;
  
  --color-neutral-0: #0D1116;
  --color-neutral-50: #1A2129;
  --color-neutral-100: #2A3540;
  --color-neutral-200: #3E4C56;
  --color-neutral-300: #5C6B77;
  --color-neutral-400: #7C8A96;
  --color-neutral-500: #B0BDC8;
  --color-neutral-600: #D1D9E0;
  --color-neutral-700: #E4E9ED;
  --color-neutral-800: #F1F4F6;
  --color-neutral-900: #F8FAFB;
  --color-neutral-950: #FFFFFF;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 10px 10px rgba(0, 0, 0, 0.5);
}

/* ========================================================================
   3. RESET E BASE PROFISSIONAL
   ======================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-50);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ========================================================================
   4. TIPOGRAFIA CORPORATIVA
   ======================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-neutral-950);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-neutral-700);
}

/* Responsive Typography */
@media (max-width: 768px) {
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
  h4 { font-size: var(--font-size-lg); }
}

/* ========================================================================
   5. BOTÕES PROFISSIONAIS
   ======================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - Ação Principal */
.btn-primary {
  background-color: var(--color-primary-600);
  color: var(--color-neutral-0);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-700);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  background-color: var(--color-primary-800);
  transform: translateY(0);
}

/* Secondary Button - Ação Secundária */
.btn-secondary {
  background-color: var(--color-neutral-0);
  color: var(--color-primary-700);
  border-color: var(--color-neutral-300);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-neutral-50);
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-sm);
}

/* Ghost Button - Discreto */
.btn-ghost {
  background-color: transparent;
  color: var(--color-neutral-700);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-900);
}

/* Button Sizes */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-xl);
}

/* Full Width Button (Mobile) */
.btn-block {
  width: 100%;
}

@media (min-width: 640px) {
  .btn-block-mobile {
    width: auto;
  }
}

/* ========================================================================
   6. CARDS PROFISSIONAIS
   ======================================================================== */

.card {
  background-color: var(--color-neutral-0);
  border: var(--border-width) solid var(--color-neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-header {
  padding: var(--spacing-lg);
  border-bottom: var(--border-width) solid var(--color-neutral-200);
  background-color: var(--color-neutral-50);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: var(--border-width) solid var(--color-neutral-200);
  background-color: var(--color-neutral-50);
}

/* ========================================================================
   7. FORMS PROFISSIONAIS
   ======================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-800);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-neutral-900);
  background-color: var(--color-neutral-0);
  border: var(--border-width) solid var(--color-neutral-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(42, 129, 182, 0.1);
}

.form-input::placeholder {
  color: var(--color-neutral-400);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Prevent iOS zoom on input focus */
@media (max-width: 768px) {
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
  }
}

/* ========================================================================
   8. CONTAINER E LAYOUT RESPONSIVO
   ======================================================================== */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========================================================================
   9. UTILITIES PROFISSIONAIS
   ======================================================================== */

/* Spacing */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Responsive Display */
.hide-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: block;
  }
  
  .hide-desktop {
    display: none;
  }
}

/* ========================================================================
   10. ANIMAÇÕES SUTIS E PROFISSIONAIS
   ======================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-in {
  animation: slideIn var(--transition-slow) ease-out;
}

/* ========================================================================
   11. ACESSIBILIDADE
   ======================================================================== */

:focus-visible {
  outline: 3px solid var(--color-primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================================================
   12. PRINT STYLES
   ======================================================================== */

@media print {
  body {
    background: white;
    color: black;
  }

  .no-print {
    display: none !important;
  }

  .btn {
    border: 1px solid black;
  }

  * {
    box-shadow: none !important;
  }
}

/* ========================================================================
   FIM - PROFESSIONAL DESIGN SYSTEM 2025
   ======================================================================== */