/* ===== VARIÁVEIS CSS ===== */
:root {
  /* Cores Primárias */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  /* Cores Secundárias */
  --secondary-50: #fefce8;
  --secondary-100: #fef9c3;
  --secondary-200: #fef08a;
  --secondary-300: #fde047;
  --secondary-400: #facc15;
  --secondary-500: #eab308;
  --secondary-600: #ca8a04;
  --secondary-700: #a16207;
  --secondary-800: #854d0e;
  --secondary-900: #713f12;

  /* Cores de Estado */
  --success-50: #f0fdf4;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --error-50: #fef2f2;
  --error-500: #ef4444;
  --error-600: #dc2626;
  --warning-50: #fffbeb;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --info-50: #eff6ff;
  --info-500: #3b82f6;
  --info-600: #2563eb;

  /* Cores Neutras */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Tipografia */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Espaçamentos */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  /* Bordas */
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transições */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ===== RESET E BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== UTILITÁRIOS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-8);
  }
}

.highlight {
  background: linear-gradient(120deg, var(--primary-200) 0%, var(--primary-300) 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.2em;
  background-position: 0 88%;
  transition: background-size var(--transition-normal);
}

.text-success { color: var(--success-500); }
.text-error { color: var(--error-500); }
.text-warning { color: var(--warning-500); }
.text-info { color: var(--info-500); }

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }
  h3 { font-size: var(--font-size-3xl); }
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary {
  background-color: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

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

.btn-secondary {
  background-color: white;
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-danger {
  background-color: var(--error-600);
  color: white;
  border-color: var(--error-600);
}

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

.btn-google {
  background-color: white;
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-google:hover:not(:disabled) {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
  box-shadow: var(--shadow-md);
}

.btn-interest {
  background-color: var(--success-600);
  color: white;
  border-color: var(--success-600);
}

.btn-interest:hover:not(:disabled) {
  background-color: var(--success-700);
  border-color: var(--success-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
}

.btn-large {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
}

.btn-full {
  width: 100%;
}

/* ===== FORMULÁRIOS ===== */
.form-group {
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-2);
}

.form-label.required::after {
  content: '*';
  color: var(--error-500);
  margin-left: var(--spacing-1);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  background-color: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-400);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-help {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.form-row {
  display: grid;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* Checkbox personalizado */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: var(--font-size-xs);
  font-weight: bold;
}

.checkbox-grid {
  display: grid;
  gap: var(--spacing-3);
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

/* Input de senha com toggle */
.password-input {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  padding: var(--spacing-1);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--gray-600);
}

/* Indicador de força da senha */
.password-strength {
  margin-top: var(--spacing-2);
}

.strength-bar {
  height: 4px;
  background-color: var(--gray-200);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0%;
  transition: all var(--transition-normal);
  border-radius: var(--border-radius-full);
}

.strength-text {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-left: var(--spacing-2);
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.header {
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.navbar {
  padding: var(--spacing-4) 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-600);
  text-decoration: none;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: var(--spacing-8);
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-600);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-login {
  color: var(--gray-700);
}

/* Menu mobile */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-2);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.bar {
  width: 24px;
  height: 2px;
  background-color: var(--gray-600);
  transition: all var(--transition-fast);
}

.nav-toggle.active .bar:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: var(--spacing-20) 0;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-container {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
  }
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--gray-900);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-5xl);
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-600);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-illustration {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: white;
  box-shadow: var(--shadow-xl);
  animation: float 6s ease-in-out infinite;
}

@media (min-width: 768px) {
  .hero-illustration {
    width: 300px;
    height: 300px;
    font-size: 6rem;
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== SEÇÕES ===== */
.how-it-works,
.books-gallery,
.cta-section {
  padding: var(--spacing-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  margin-bottom: var(--spacing-4);
}

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

/* ===== COMO FUNCIONA ===== */
.steps-grid {
  display: grid;
  gap: var(--spacing-8);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.step-card {
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.step-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
  font-size: var(--font-size-2xl);
  color: white;
}

.step-number {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  width: 32px;
  height: 32px;
  background-color: var(--secondary-400);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--gray-900);
}

.step-title {
  margin-bottom: var(--spacing-3);
  color: var(--gray-900);
}

.step-description {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== GALERIA DE LIVROS ===== */
.books-gallery {
  background-color: white;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  justify-content: center;
  margin-bottom: var(--spacing-12);
}

.filter-btn {
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-full);
  background-color: white;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-600);
  border-color: var(--primary-600);
  color: white;
  transform: translateY(-1px);
}

.books-grid {
  display: grid;
  gap: var(--spacing-8);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  margin-bottom: var(--spacing-12);
}

.book-card {
  background: white;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
  position: relative;
}

.book-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.book-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.book-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.book-card:hover .book-image img {
  transform: scale(1.05);
}

.book-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.book-card:hover .book-overlay {
  opacity: 1;
}

.book-info {
  padding: var(--spacing-6);
}

.book-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--gray-900);
  line-height: 1.3;
}

.book-author {
  color: var(--gray-600);
  margin-bottom: var(--spacing-3);
  font-weight: 500;
}

.book-description {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin-bottom: var(--spacing-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-meta {
  display: flex;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
  flex-wrap: wrap;
}

.book-category,
.book-condition {
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.book-category {
  background-color: var(--primary-100);
  color: var(--primary-700);
}

.book-condition {
  background-color: var(--success-100);
  color: var(--success-700);
}

.book-owner {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.load-more {
  text-align: center;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  text-align: center;
}

.cta-title {
  color: white;
  margin-bottom: var(--spacing-4);
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  gap: var(--spacing-8);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-bottom: var(--spacing-8);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--spacing-4);
}

.footer-description {
  margin-bottom: var(--spacing-6);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: var(--gray-800);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.footer-title {
  color: white;
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-2);
}

.footer-links a {
  color: var(--gray-300);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-400);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--spacing-8);
  text-align: center;
  color: var(--gray-400);
}

/* ===== PÁGINAS DE AUTENTICAÇÃO ===== */
.auth-page {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  min-height: 100vh;
}

.auth-header {
  padding: var(--spacing-4) 0;
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
}

.auth-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-600);
}

.back-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--primary-600);
}

.auth-main {
  padding: var(--spacing-12) 0;
}

.auth-container {
  display: grid;
  gap: var(--spacing-12);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

@media (min-width: 1024px) {
  .auth-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-20);
    align-items: center;
  }
}

.auth-info {
  order: 2;
}

@media (min-width: 1024px) {
  .auth-info {
    order: 1;
  }
}

.auth-info-title {
  margin-bottom: var(--spacing-6);
}

.auth-info-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.6;
}

.auth-features {
  margin-bottom: var(--spacing-8);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
  color: var(--gray-700);
}

.feature-item i {
  color: var(--success-500);
  font-size: var(--font-size-lg);
}

.auth-testimonial {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.auth-testimonial blockquote {
  font-style: italic;
  margin-bottom: var(--spacing-4);
  color: var(--gray-700);
  line-height: 1.6;
}

.auth-testimonial cite {
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

.auth-forms {
  order: 1;
}

@media (min-width: 1024px) {
  .auth-forms {
    order: 2;
  }
}

.form-container {
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-4) var(--spacing-6);
  background: none;
  border: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.tab-btn.active {
  background-color: var(--primary-50);
  color: var(--primary-600);
  border-bottom: 2px solid var(--primary-600);
}

.tab-content {
  display: none;
  padding: var(--spacing-8);
}

.tab-content.active {
  display: block;
}

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.form-title {
  margin-bottom: var(--spacing-2);
}

.form-subtitle {
  color: var(--gray-600);
}

.auth-form {
  margin-bottom: var(--spacing-6);
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.forgot-link {
  color: var(--primary-600);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.forgot-link:hover {
  color: var(--primary-700);
}

.form-divider {
  position: relative;
  text-align: center;
  margin: var(--spacing-6) 0;
}

.form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--gray-200);
}

.form-divider span {
  background: white;
  padding: 0 var(--spacing-4);
  color: var(--gray-500);
  font-size: var(--font-size-sm);
}

/* ===== ALERTAS ===== */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-6);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.alert-success {
  background-color: var(--success-50);
  border: 1px solid var(--success-200);
  color: var(--success-800);
}

.alert-error {
  background-color: var(--error-50);
  border: 1px solid var(--error-200);
  color: var(--error-800);
}

.alert-warning {
  background-color: var(--warning-50);
  border: 1px solid var(--warning-200);
  color: var(--warning-800);
}

.alert-info {
  background-color: var(--info-50);
  border: 1px solid var(--info-200);
  color: var(--info-800);
}

.alert-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  flex: 1;
}

.alert-message {
  flex: 1;
}

/* ===== LOADING ===== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.loading-spinner i {
  font-size: var(--font-size-3xl);
  color: var(--primary-600);
  margin-bottom: var(--spacing-4);
}

/* ===== DASHBOARD ===== */
.dashboard-page {
  background-color: var(--gray-50);
  min-height: 100vh;
}

.dashboard-header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 40;
}

.dashboard-nav {
  padding: var(--spacing-4) 0;
}

.user-menu {
  position: relative;
}

.user-avatar {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.user-avatar:hover {
  background-color: var(--gray-50);
}

.user-avatar img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-weight: 500;
  color: var(--gray-700);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 50;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--gray-700);
  transition: background-color var(--transition-fast);
  border: none;
  width: 100%;
  text-align: left;
  font-size: var(--font-size-sm);
}

.dropdown-item:hover {
  background-color: var(--gray-50);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--gray-200);
  margin: var(--spacing-2) 0;
}

.dashboard-main {
  padding: var(--spacing-8) 0;
}

.dashboard-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-8);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.dashboard-title h1 {
  margin-bottom: var(--spacing-2);
}

.dashboard-title p {
  color: var(--gray-600);
}

.dashboard-actions {
  display: flex;
  gap: var(--spacing-4);
}

.stats-grid {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: var(--spacing-12);
}

.stat-card {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  transition: all var(--transition-normal);
}

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

.stat-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-xl);
}

.stat-content {
  flex: 1;
}

.stat-card .stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  display: block;
}

.stat-card .stat-label {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

.dashboard-tabs {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-8);
  border-bottom: 1px solid var(--gray-200);
  overflow-x: auto;
}

.dashboard-tabs .tab-btn {
  padding: var(--spacing-4) var(--spacing-6);
  background: none;
  border: none;
  color: var(--gray-600);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.dashboard-tabs .tab-btn.active {
  color: var(--primary-600);
  border-bottom-color: var(--primary-600);
}

.dashboard-tabs .tab-btn:hover {
  color: var(--primary-600);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-16) var(--spacing-8);
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.empty-icon {
  width: 80px;
  height: 80px;
  background-color: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-6);
  font-size: var(--font-size-2xl);
  color: var(--gray-400);
}

.empty-state h3 {
  margin-bottom: var(--spacing-3);
  color: var(--gray-700);
}

.empty-state p {
  color: var(--gray-500);
  margin-bottom: var(--spacing-6);
}

/* ===== FORMULÁRIO DE PERFIL ===== */
.profile-form-container {
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.profile-form {
  padding: var(--spacing-8);
}

.form-section {
  margin-bottom: var(--spacing-10);
}

.form-section h3 {
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-900);
}

.form-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: flex-end;
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--gray-200);
}

@media (max-width: 640px) {
  .form-actions {
    flex-direction: column;
  }
}

.danger-zone {
  background-color: var(--error-50);
  border-top: 1px solid var(--error-200);
  padding: var(--spacing-8);
}

.danger-zone h3 {
  color: var(--error-700);
  margin-bottom: var(--spacing-3);
}

.danger-zone p {
  color: var(--error-600);
  margin-bottom: var(--spacing-6);
}

/* ===== PÁGINA ADICIONAR LIVRO ===== */
.add-book-page {
  background-color: var(--gray-50);
  min-height: 100vh;
}

.add-book-main {
  padding: var(--spacing-8) 0;
}

.page-header {
  margin-bottom: var(--spacing-12);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.breadcrumb a {
  color: var(--primary-600);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--primary-700);
}

.page-title {
  margin-bottom: var(--spacing-3);
}

.page-subtitle {
  color: var(--gray-600);
  font-size: var(--font-size-lg);
}

.add-book-form {
  display: grid;
  gap: var(--spacing-12);
}

@media (min-width: 1024px) {
  .form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-12);
    align-items: start;
  }
}

.form-section {
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
}

.section-header {
  margin-bottom: var(--spacing-8);
}

.section-header h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
  color: var(--gray-900);
}

.section-header p {
  color: var(--gray-600);
}

/* Upload de imagem */
.image-upload-container {
  display: grid;
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .image-upload-container {
    grid-template-columns: 1fr 1fr;
  }
}

.image-upload {
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-upload:hover {
  border-color: var(--primary-400);
  background-color: var(--primary-50);
}

.image-upload.dragover {
  border-color: var(--primary-500);
  background-color: var(--primary-100);
}

.upload-placeholder h3 {
  margin-bottom: var(--spacing-2);
  color: var(--gray-700);
}

.upload-placeholder p {
  color: var(--gray-500);
  margin-bottom: var(--spacing-2);
}

.upload-placeholder small {
  color: var(--gray-400);
}

.upload-placeholder i {
  font-size: var(--font-size-3xl);
  color: var(--gray-400);
  margin-bottom: var(--spacing-4);
}

.image-preview {
  position: relative;
}

.image-preview img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.image-actions {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  display: flex;
  gap: var(--spacing-2);
}

.upload-tips {
  background-color: var(--gray-50);
  padding: var(--spacing-6);
  border-radius: var(--border-radius);
}

.upload-tips h4 {
  margin-bottom: var(--spacing-3);
  color: var(--gray-700);
}

.upload-tips ul {
  list-style: none;
  color: var(--gray-600);
}

.upload-tips li {
  margin-bottom: var(--spacing-2);
  position: relative;
  padding-left: var(--spacing-5);
}

.upload-tips li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-500);
  font-weight: bold;
}

/* Contador de caracteres */
.char-counter {
  text-align: right;
  margin-top: var(--spacing-2);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* Preview do livro */
.preview-section {
  position: sticky;
  top: var(--spacing-24);
}

.preview-section h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
  color: var(--gray-900);
}

.preview-section p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-6);
}

.preview-card {
  opacity: 0.8;
  pointer-events: none;
}

/* Estilos para o modal de reset de senha */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000; /* Z-index muito alto */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    margin: 20px;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #6b7280;
    cursor: pointer;
    padding: 4px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background-color: #f3f4f6;
    color: #374151;
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    margin-bottom: 20px;
    color: #6b7280;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Responsividade */
@media (max-width: 480px) {
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in {
  animation: slideIn 0.4s ease-out;
}

.pulse {
  animation: pulse 2s infinite;
}

/* ===== SCROLL SUAVE ===== */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* ===== FOCUS STATES ===== */
*:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn:focus {
  outline-offset: 4px;
}

/* ===== PRINT STYLES ===== */
@media print {
  .header,
  .footer,
  .btn,
  .nav-toggle {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .container {
    max-width: none !important;
    padding: 0 !important;
  }
}

/* ===== MENU MOBILE OTIMIZADO ===== */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 20px 20px 20px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 9998;
        gap: 0;
        display: flex;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch; /* Suave no iOS */
        touch-action: pan-y;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 18px 0;
        border-bottom: 1px solid #f0f0f0;
        font-size: 17px; /* Tamanho maior para touch */
        font-weight: 500;
        color: #333;
        transition: all 0.3s ease;
        -webkit-tap-highlight-color: transparent; /* Remove highlight no iOS */
    }
    
    .nav-link:active {
        background-color: #f8f9fa;
        transform: translateX(5px);
    }
    
    .nav-login {
        margin-top: 15px;
    }
    
    .nav-menu .btn {
        width: 100%;
        margin: 8px 0;
        padding: 15px 20px;
        text-align: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 600;
        border-radius: 12px;
        -webkit-tap-highlight-color: transparent;
    }
    
    .user-menu {
        width: 100%;
        margin-top: 15px;
        padding-top: 15px;
        border-top: 1px solid #e5e7eb;
    }
    
    .user-menu-toggle {
        width: 100%;
        justify-content: flex-start;
        padding: 15px 0;
        -webkit-tap-highlight-color: transparent;
    }
    
    .user-dropdown {
        position: static;
        box-shadow: none;
        display: none;
        width: 100%;
        margin-top: 10px;
        padding: 10px 0;
        background: transparent;
    }
    
    .user-dropdown.show {
        display: block;
    }
    
    /* Overlay para fechar o menu */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 9997;
        display: none;
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    
    .nav-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* Melhorias no toggle */
    .nav-toggle {
        display: flex !important;
        flex-direction: column;
        gap: 4px;
        cursor: pointer;
        padding: 12px;
        z-index: 9999;
        background: transparent;
        border: none;
        -webkit-tap-highlight-color: transparent;
    }
    
    .bar {
        width: 24px;
        height: 3px; /* Mais grosso para touch */
        background-color: #374151;
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Prevenir scroll do body quando menu aberto */
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
    }
}

/* Para desktop */
@media (min-width: 768px) {
    .nav-toggle {
        display: none !important;
    }
    
    .nav-menu {
        display: flex !important;
        position: static !important;
        width: auto !important;
        height: auto !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
    
    .nav-overlay {
        display: none !important;
    }
}

/* ===== ESTILOS PARA PÁGINAS DE CONTEÚDO ===== */

/* Página Quem Somos */
.about-page {
    padding: var(--spacing-12) 0;
    background-color: var(--gray-50);
}

.about-hero {
    display: grid;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-16);
}

@media (min-width: 1024px) {
    .about-hero {
        grid-template-columns: 2fr 1fr;
        align-items: center;
    }
}

.about-text h2 {
    margin-bottom: var(--spacing-6);
    color: var(--gray-900);
}

.about-text p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-600);
    line-height: 1.7;
}

.about-illustration {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 4rem;
    color: white;
    box-shadow: var(--shadow-xl);
}

.mission-vision {
    display: grid;
    gap: var(--spacing-8);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-bottom: var(--spacing-16);
}

.mission-card,
.vision-card,
.values-card {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all var(--transition-normal);
}

.mission-card:hover,
.vision-card:hover,
.values-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.mission-icon,
.vision-icon,
.values-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    font-size: var(--font-size-2xl);
    color: white;
}

.team-section {
    text-align: center;
}

.team-section h2 {
    margin-bottom: var(--spacing-4);
}

.team-section .section-subtitle {
    margin-bottom: var(--spacing-12);
}

.team-grid {
    display: grid;
    gap: var(--spacing-8);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.team-member {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.member-photo {
    width: 100px;
    height: 100px;
    background-color: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    font-size: var(--font-size-2xl);
    color: var(--gray-500);
}

.member-role {
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.member-bio {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Página Política de Privacidade */
.privacy-page {
    padding: var(--spacing-12) 0;
    background-color: var(--gray-50);
}

.privacy-intro {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-8);
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--gray-700);
}

.privacy-sections {
    background: white;
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
}

.privacy-section {
    margin-bottom: var(--spacing-10);
    padding-bottom: var(--spacing-8);
    border-bottom: 1px solid var(--gray-200);
}

.privacy-section:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.privacy-section h2 {
    color: var(--primary-700);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-xl);
}

.privacy-item {
    margin-bottom: var(--spacing-6);
}

.privacy-item:last-child {
    margin-bottom: 0;
}

.privacy-item h3 {
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.privacy-item p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-4);
}

.privacy-item ul {
    color: var(--gray-600);
    line-height: 1.7;
    padding-left: var(--spacing-6);
}

.privacy-item li {
    margin-bottom: var(--spacing-2);
    position: relative;
}

.privacy-item li::before {
    content: '•';
    color: var(--primary-500);
    font-weight: bold;
    position: absolute;
    left: -15px;
}

.contact-details {
    background-color: var(--gray-50);
    padding: var(--spacing-4);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-4);
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.contact-details i {
    color: var(--primary-500);
    width: 20px;
}

/* Página Contato */
.contact-page {
    padding: var(--spacing-12) 0;
    background-color: var(--gray-50);
}

.contact-content {
    display: grid;
    gap: var(--spacing-12);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }
}

.contact-methods {
    margin-bottom: var(--spacing-12);
}

.contact-method {
    display: flex;
    align-items:
}

/* ===== ESTILOS PARA PÁGINA FAQ ===== */

.faq-page {
    padding: var(--spacing-12) 0;
    background-color: var(--gray-50);
}

.faq-search {
    margin-bottom: var(--spacing-8);
}

.faq-search .search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.faq-search .search-container i {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.faq-search .search-input {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-4) var(--spacing-12);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.faq-search .search-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.faq-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    justify-content: center;
    margin-bottom: var(--spacing-12);
}

.category-btn {
    padding: var(--spacing-3) var(--spacing-6);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-full);
    background-color: white;
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.category-btn:hover,
.category-btn.active {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.faq-list {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-12);
}

.faq-category {
    padding: var(--spacing-8);
    border-bottom: 1px solid var(--gray-200);
}

.faq-category:last-child {
    border-bottom: none;
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
    color: var(--primary-700);
    font-size: var(--font-size-xl);
}

.category-title i {
    font-size: var(--font-size-lg);
    color: var(--primary-500);
}

.faq-item {
    margin-bottom: var(--spacing-6);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6);
    background-color: var(--gray-50);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--gray-100);
}

.faq-question h3 {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--gray-800);
    font-weight: 600;
    flex: 1;
}

.faq-question i {
    color: var(--gray-500);
    transition: transform var(--transition-fast);
}

.faq-answer {
    display: none;
    padding: var(--spacing-6);
    background-color: white;
    border-top: 1px solid var(--gray-200);
}

.faq-answer p {
    margin-bottom: var(--spacing-4);
    color: var(--gray-700);
    line-height: 1.6;
}

.faq-answer ol,
.faq-answer ul {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
    color: var(--gray-700);
}

.faq-answer li {
    margin-bottom: var(--spacing-2);
    line-height: 1.6;
}

.faq-answer strong {
    color: var(--gray-900);
    font-weight: 600;
}

/* Card de Ajuda */
.faq-help {
    text-align: center;
}

.help-card {
    background: linear-gradient(135deg, var(--primary-50), var(--secondary-50));
    padding: var(--spacing-12);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    max-width: 600px;
    margin: 0 auto;
}

.help-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: white;
    flex-shrink: 0;
}

.help-content {
    flex: 1;
    text-align: left;
}

.help-content h3 {
    margin-bottom: var(--spacing-2);
    color: var(--gray-900);
}

.help-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

.help-actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .help-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-8);
    }
    
    .help-content {
        text-align: center;
    }
    
    .help-actions {
        justify-content: center;
    }
    
    .faq-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-2);
    }
    
    .category-btn {
        white-space: nowrap;
    }
}

/* Animações para FAQ */
.faq-item {
    animation: fadeIn 0.5s ease-out;
}

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

/* Estados de busca */
.faq-item:not([style*="display: block"]) {
    display: block !important;
}

.faq-category:empty {
    display: none;
}