/* 
   theme: Rotina Lucrativa
   target: Women 45+
   keywords: Clean, Readable, Calm, Practical
*/

:root {
  /* Colors */
  --primary-color: #FF6600; /* Salgados Brand */
  --primary-hover: #E65C00;
  --bg-color: #FAFAFA;
  --surface-color: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #4B5563;
  --border-color: #E5E7EB;
  --success-color: #10B981;

  /* Typography */
  --font-main: 'Outfit', 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 18px; /* Slightly larger for readability */
}

a {
  text-decoration: none;
  color: inherit;
}

/* Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--surface-color);
  box-shadow: 0 0 20px rgba(0,0,0,0.05);
}

/* Header */
.app-header {
  background-color: var(--surface-color);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-color);
}

.back-btn {
  background: none;
  border: none;
  font-size: 1rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
}

.back-btn:hover {
  color: var(--primary-color);
}

/* Content Area */
.content-area {
  padding: var(--spacing-lg);
  flex: 1;
}

/* Module List (Dashboard) */
.module-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.module-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.module-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.module-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.module-desc {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Lesson View */
.lesson-container {
  max-width: 100%;
}

.lesson-header {
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--spacing-md);
}

.lesson-module-tag {
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.lesson-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
}

.lesson-content {
  font-size: 1.1rem;
  color: var(--text-primary);
}

.lesson-content h2 {
  font-size: 1.5rem;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.lesson-content h3 {
  font-size: 1.3rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-nm);
}

.lesson-content p {
  margin-bottom: var(--spacing-md);
}

.lesson-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.lesson-content li {
  margin-bottom: 0.5rem;
}

.lesson-content strong {
  font-weight: 700;
  color: #000;
}

/* Navigation - Bottom */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

.nav-btn {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.nav-btn:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.nav-btn.primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.nav-btn.primary:hover {
  background-color: var(--primary-hover);
}

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

/* Utilities */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn 0.4s ease-in-out;
}

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

/* Mobile Adjustments */
@media (max-width: 600px) {
  body {
    font-size: 16px;
  }
  
  .app-container {
    box-shadow: none;
  }
  
  .lesson-title {
    font-size: 1.6rem;
  }
  
  .lesson-nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-btn {
    width: 100%;
    text-align: center;
  }
}