:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --accent-color: #00f2fe;
  --accent-hover: #4facfe;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --positive: #10b981;
  --negative: #ef4444;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 280px;
  background-color: #090d16;
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.logo-icon {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo h2 {
  font-size: 1.4rem;
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--accent-color);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-btn {
  display: block;
  width: 100%;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.nav-btn:hover,
.nav-btn.active {
  background-color: var(--card-bg);
  color: var(--accent-color);
}

.user-profile-section {
  margin-top: auto;
  background-color: var(--card-bg);
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.login-trigger-btn {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-wrapper {
  position: relative;
  width: 42px;
  height: 42px;
  cursor: pointer;
  flex-shrink: 0;
}

.user-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-color);
  background-color: #334155;
}

.edit-avatar-icon {
  position: absolute;
  bottom: -2px;
  right: -2px;
  background-color: var(--accent-color);
  color: #000;
  font-size: 0.6rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.user-info {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 0.9rem;
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-email {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--negative);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: bold;
}

/* MAIN CONTENT */
.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.tab-content {
  display: none;
}

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

.top-header {
  margin-bottom: 28px;
}

.top-header h1 {
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* LANDING PAGE */
.hero-section {
  padding: 60px 40px;
  background: linear-gradient(
    135deg,
    rgba(30, 41, 59, 0.9),
    rgba(15, 23, 42, 0.95)
  );
  border: 1px solid var(--border-color);
  border-radius: 20px;
  margin-bottom: 40px;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: rgba(0, 242, 254, 0.1);
  color: var(--accent-color);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero-text h1 {
  font-size: 2.8rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-text h1 span {
  color: var(--accent-color);
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 30px auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
}

.features-section {
  margin-bottom: 40px;
}
.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 32px;
}
.section-title span {
  color: var(--accent-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 28px;
  border-radius: 16px;
  text-align: center;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--accent-color);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.cta-banner {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #000;
  padding: 40px;
  border-radius: 20px;
  text-align: center;
}

.cta-banner h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}
.cta-banner p {
  font-size: 1rem;
  margin-bottom: 24px;
  opacity: 0.9;
}

/* CARDS DE COTAÇÃO CLICÁVEIS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 22px;
  border-radius: 12px;
  transition: all 0.2s;
}

.card.clickable {
  cursor: pointer;
}
.card.clickable:hover,
.card.active-card {
  border-color: var(--accent-color);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.coin-name {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.badge {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 20px;
  font-weight: bold;
}
.badge.positive {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--positive);
}
.badge.negative {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--negative);
}
.card-value {
  font-size: 1.4rem;
  font-weight: bold;
}

/* CHART CONTAINER */
.chart-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
  height: 350px;
}

.chart-container h3 {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

/* CARTEIRA & CONFIGURAÇÕES */
.portfolio-summary-card {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--accent-color);
  padding: 28px;
  border-radius: 16px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.portfolio-summary-card span {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.portfolio-summary-card h2 {
  font-size: 2.2rem;
  color: var(--accent-color);
  margin-top: 8px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-summary-card {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  .hero-text h1 {
    font-size: 2rem;
  }
}

.portfolio-form-card,
.portfolio-breakdown-card,
.settings-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 12px;
}

.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input,
.setting-item select,
#depositMethod {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-main);
  outline: none;
}

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-checkbox-group input[type="checkbox"] {
  accent-color: var(--accent-color);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.payment-method-box {
  background-color: var(--bg-color);
  padding: 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #000;
  font-weight: bold;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.btn-primary.full-width {
  width: 100%;
  margin-top: 10px;
}

.asset-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.asset-item:last-child {
  border-bottom: none;
}
.asset-info strong {
  display: block;
  font-size: 0.95rem;
}
.asset-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.asset-value {
  font-weight: bold;
  text-align: right;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: 16px;
  width: 100%;
  max-width: 400px;
  position: relative;
}

.close-modal-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}
.auth-tab-btn {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-weight: bold;
  cursor: pointer;
}
.auth-tab-btn.active {
  color: var(--accent-color);
  border-bottom: 2px solid var(--accent-color);
}
.auth-form {
  display: none;
}
.auth-form.active {
  display: block;
}
/* Ajuste definitivo para celular */
@media (max-width: 768px) {
  /* Força a tela inteira a ocupar 100% e empilhar os elementos */
  .app-container {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
  }

  /* Zera a largura fixa do menu lateral e faz ele ocupar a tela toda em cima */
  .sidebar {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    position: relative !important;
  }

  /* Faz o conteúdo principal ocupar a largura total sem sobras */
  .main-content {
    width: 100% !important;
    max-width: 100% !important;
    padding: 15px !important;
    margin: 0 !important;
    box-sizing: border-box !important;
  }
}