/* Design System Moderno */
:root {
  /* Cores */
  --primary-color: #03008A;
  --secondary-color: #4f54c0;
  --accent-color: #03008acc;
  --white-color: #fff;
  --text-color: #333;
  --light-text-color: #777;
  --bg-color: #f5f7ff;
  --card-bg: #ffffff;
  --border-radius: 16px;
  --box-shadow: 0 8px 32px rgba(3, 0, 138, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Espaçamentos */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  
  /* Tipografia */
  --font-title: 24px;
  --font-subtitle: 18px;
  --font-body: 14px;
}

/* Modo Escuro */
[data-theme="dark"] {
  --primary-color: #6366f1;
  --secondary-color: #818cf8;
  --accent-color: #6366f1cc;
  --text-color: #e5e7eb;
  --light-text-color: #9ca3af;
  --bg-color: #111827;
  --card-bg: #1f2937;
  --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 96px;
}

/* Header Moderno */
.header-container {
  background-color: var(--card-bg);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-md) var(--space-lg);
}

.info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  gap: var(--space-md);
}

.logo-container img {
  height: 50px;
  transition: var(--transition);
}

.logo-container img:hover {
  transform: scale(1.05);
}

.user-info {
  margin-left: var(--space-md);
  font-size: var(--font-body);
  color: var(--text-color);
  font-weight: 500;
}

.user-info strong {
  color: var(--primary-color);
  font-weight: 700;
}

/* ========== HEADER NAV IMPROVEMENTS ========== */
.header-nav {
  display: flex;
  align-items: center;
}

.header-nav > ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

.header-nav > ul > li {
  position: relative;
  margin: 0;
  padding: 0;
}

/* Ajustes específicos para os itens de navegação */
.header-nav > ul > li:not(.language-selector) a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: var(--transition);
  background-color: transparent;
}

.header-nav > ul > li:not(.language-selector) a:hover {
  background-color: rgba(3, 0, 138, 0.05);
  transform: translateY(-2px);
}

/* Seletor de linguagem melhorado */
.language-selector {
  position: relative;
  margin-left: var(--space-sm);
}

.language-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.language-button:hover {
  background-color: rgba(3, 0, 138, 0.1);
}

.language-button span {
  color: var(--text-color);
  font-size: var(--font-body);
  font-weight: 500;
}

.language-flag {
  width: 24px;
  height: 16px;
  border-radius: 3px;
  object-fit: cover;
  transition: var(--transition);
}

.language-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background-color: var(--card-bg);
  min-width: 180px;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  z-index: 1000;
  padding: var(--space-sm) 0;
  margin-top: var(--space-xs);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.language-dropdown a {
  color: var(--text-color);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: var(--transition);
  font-size: var(--font-body);
}

.language-dropdown a:hover {
  background-color: var(--primary-color);
  color: var(--white-color);
}

.language-selector:hover .language-dropdown {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

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

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary-color);
  padding: var(--space-xs);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: rgba(3, 0, 138, 0.08);
  transform: translateY(-2px);
}

.theme-toggle i {
  font-size: 18px;
}

[data-theme="dark"] .theme-toggle {
  color: var(--white-color);
}

/* Opções de Transferência */
.options-transfer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 1200px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-lg);
}

.option-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.option-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-color);
}

.option-card:hover {
  transform: translateY(-5px);
  background: rgba(3, 0, 138, 0.05);
}

.option-card i {
  font-size: 32px;
  color: var(--primary-color);
  transition: var(--transition);
}

.option-card:hover i {
  transform: scale(1.1);
}

.option-text {
  font-size: var(--font-body);
  font-weight: 600;
  margin: 0;
}

/* ========== TABLE IMPROVEMENTS ========== */
table {
  width: 90%;
  max-width: 1000px;
  margin: var(--space-xl) auto;
  border-collapse: separate;
  border-spacing: 0;
  border: none;
  box-shadow: var(--box-shadow);
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  font-family: 'Inter', sans-serif;
}

/* Table Header */
thead tr {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  color: var(--white-color);
  font-size: var(--font-subtitle);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  position: relative;
}

th:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.2);
}

/* Table Body */
tbody tr {
  transition: var(--transition);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background-color: rgba(3, 0, 138, 0.03);
  transform: translateX(4px);
}

td {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-body);
  font-weight: 500;
  position: relative;
}

td:first-child {
  font-weight: 600;
}

.crypto-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition);
  width: 100%;
  height: 100%;
}

.crypto-link:hover {
  color: var(--primary-color);
  transform: translateX(2px);
}

/* Color variation for values */
.crypto-link.green {
  color: #10b981 !important;
}

.crypto-link.red {
  color: #ef4444 !important;
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 1200px) {
  .assets-header {
    margin: var(--space-md) auto;
    padding: var(--space-md);
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 90%;
  }
  
  .info-header {
    padding: 0 var(--space-md);
  }

  .header-nav ul {
    gap: var(--space-md);
  }

  .value-description {
    font-size: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --border-radius: 12px;
    --font-title: 20px;
    --font-subtitle: 16px;
    --space-lg: 20px;
  }

  .header-container {
    padding: var(--space-sm) var(--space-md);
    position: relative;
  }

  .info-header {
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: 0 var(--space-sm);
  }

  .logo-container img {
    height: 40px;
  }

  .user-info {
    margin: var(--space-xs) 0;
    order: 3;
    width: 100%;
    text-align: center;
  }

  .header-nav ul {
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
  }

  .assets-header {
    margin: var(--space-md) auto;
    padding: var(--space-md);
  }

  .value-description {
    font-size: 24px;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .options-transfer {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 0 var(--space-md);
  }

  .option-card {
    padding: 10px 5px;
  }

  .option-card i {
    font-size: 22px;
    padding: 8px;
  }

  .option-text {
    font-size: 12px;
  }

  .logo-container img {
    height: 32px;
  }

  .title-header {
    font-size: var(--font-body);
  }

  /* Table Responsiveness */
  table {
    width: 95%;
    font-size: 0.9em;
  }
  
  th, td {
    padding: var(--space-sm) var(--space-md);
  }
}

@media (max-width: 576px) {
  :root {
    --font-body: 13px;
  }

  .container {
    margin: 15px;
    padding: 20px;
    width: auto;
    max-width: none;
  }

  .logo-container img {
    height: 36px;
  }

  .user-info {
    font-size: var(--font-body);
  }

  .value-description {
    font-size: 22px;
  }

  .info-header {
    padding: 0 var(--space-md);
  }

  .options-transfer {
    padding: 0 var(--space-md);
  }

  /* Table Responsiveness */
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  thead tr {
    font-size: 0.8em;
  }
  
  .crypto-link {
    font-size: 0.9em;
  }
}

@media (max-width: 480px) {
  :root {
    --space-md: 12px;
    --space-lg: 16px;
  }

  .header-container {
    padding: var(--space-xs) var(--space-sm);
  }

  .header-nav ul {
    gap: var(--space-xs);
  }

  .assets-header {
    padding: var(--space-sm);
    margin: var(--space-sm) auto;
  }

  .value-description {
    font-size: 20px;
  }

  .options-transfer {
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    padding: 0 10px;
  }

  .option-card {
    padding: 8px 2px;
  }

  .option-card i {
    font-size: 18px;
    padding: 6px;
  }

  .option-text {
    font-size: 10px;
    margin-top: 4px;
  }
}

@media (max-width: 375px) {
  .options-transfer {
    gap: 3px;
    padding: 0 5px;
  }

  .option-card i {
    font-size: 16px;
    padding: 5px;
  }

  .option-text {
    font-size: 9px;
  }
}