/* ===================================
   DESIGN SYSTEM - Variáveis e Tokens
   =================================== */

:root {
  /* Colors - Fire & Safety Theme */
  --color-primary: #c60a0a;
  --color-primary-dark: #FF5252;
  --color-primary-light: #ed3237;

  --color-secondary: #4A90E2;
  --color-accent: #FFB84D;

  /* Risk Colors */
  --color-risk-baixo: #4CAF50;
  --color-risk-medio: #FFB84D;
  --color-risk-alto: #c60a0a;

  /* Neutrals */
  --color-bg: #0A0E1A;
  --color-bg-card: #151B2E;
  --color-bg-card-hover: #1A2238;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A8B2D1;
  --color-text-muted: #6B7A9A;
  --color-border: #2A3554;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #c60a0a 0%, #ed3237 100%);
  --gradient-secondary: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
  --gradient-background: linear-gradient(180deg, #0A0E1A 0%, #151B2E 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   LAYOUT
   =================================== */

.background-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-background);
  z-index: -2;
}

.background-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
}

.background-gradient::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(74, 144, 226, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(30px, -30px) scale(1.05);
  }
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

/* ===================================
   HEADER
   =================================== */

.header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  animation: fadeInDown 0.6s ease-out;
}

.logo {
  display: inline-flex;
  margin-bottom: var(--spacing-lg);
  animation: scaleIn 0.5s ease-out;
}

.logo svg {
  filter: drop-shadow(0 4px 12px rgba(255, 107, 107, 0.3));
}

.title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: #ed3237;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===================================
   CARD COMPONENT
   =================================== */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  animation: fadeInUp 0.5s ease-out;
}

.card:hover {
  border-color: rgba(255, 107, 107, 0.3);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

/* ===================================
   FORM
   =================================== */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
}

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.1);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ===================================
   BUTTON COMPONENT
   =================================== */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  outline: none;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.button:hover::before {
  width: 300px;
  height: 300px;
}

.button-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 107, 107, 0.3);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.button-primary:active {
  transform: translateY(0);
}

.button-secondary {
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
}

.button-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-card);
}

.button-text {
  position: relative;
  z-index: 1;
}

.button-icon {
  position: relative;
  z-index: 1;
}

/* ===================================
   LOADING STATE
   =================================== */

.loading-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-lg);
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
}

/* ===================================
   ERROR STATE
   =================================== */

.error-card {
  text-align: center;
  border-color: rgba(255, 82, 82, 0.3);
}

.error-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.error-title {
  font-size: var(--font-size-xl);
  color: var(--color-risk-alto);
  margin-bottom: var(--spacing-sm);
}

.error-message {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ===================================
   RESULTS
   =================================== */

.results-card {
  margin-top: var(--spacing-xl);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.results-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
}

.risk-badge {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--font-size-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  animation: scaleIn 0.5s ease-out;
}

.risk-badge.baixo {
  background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
  box-shadow: 0 4px 16px rgba(76, 175, 80, 0.3);
}

.risk-badge.medio {
  background: linear-gradient(135deg, #FFB84D 0%, #FFA726 100%);
  box-shadow: 0 4px 16px rgba(255, 184, 77, 0.3);
}

.risk-badge.alto {
  background: linear-gradient(135deg, #FF5252 0%, #E53935 100%);
  box-shadow: 0 4px 16px rgba(255, 82, 82, 0.3);
}

.company-info {
  margin-bottom: var(--spacing-lg);
}

.company-name {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.company-cnpj {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  font-family: 'Courier New', monospace;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-lg) 0;
}

.risk-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.cnaes-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cnae-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
}

.cnae-item:hover {
  border-color: rgba(255, 107, 107, 0.3);
  transform: translateX(4px);
}

.cnae-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.cnae-code {
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--color-primary);
}

.cnae-carga {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-accent);
}

.cnae-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cnae-division {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.cnae-type {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-top: var(--spacing-xs);
}

.cnae-type.principal {
  background: rgba(74, 144, 226, 0.2);
  color: var(--color-secondary);
}

.cnae-type.secundario {
  background: rgba(107, 122, 154, 0.2);
  color: var(--color-text-secondary);
}

.info-box {
  background: rgba(74, 144, 226, 0.1);
  border: 1px solid rgba(74, 144, 226, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.info-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.info-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.risk-legend {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.legend-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  margin-right: var(--spacing-xs);
}

.legend-baixo {
  background: rgba(76, 175, 80, 0.2);
  color: var(--color-risk-baixo);
}

.legend-medio {
  background: rgba(255, 184, 77, 0.2);
  color: var(--color-risk-medio);
}

.legend-alto {
  background: rgba(255, 82, 82, 0.2);
  color: var(--color-risk-alto);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl) 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
  :root {
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.375rem;
  }

  .container {
    padding: var(--spacing-md);
  }

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

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .risk-summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .title {
    font-size: var(--font-size-2xl);
  }

  .subtitle {
    font-size: var(--font-size-base);
  }
}

/* ===================================
   DEEP AEO GUIDE (PASSO A PASSO)
   =================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

@media (max-width: 600px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base);
}

.step-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--font-size-lg);
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.step-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-light);
}

.step-card p {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ===================================
   FOOTER LINKS
   =================================== */

.social-links a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-primary);
  transform: translateY(-3px);
}