/* ===== VARIÁVEIS CSS ===== */
:root {
  /* Cores Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --text-primary: #2c3e50;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --border-color: #e9ecef;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
  
  /* Cores do Brand */
  --brand-primary: #faad08;
  --brand-secondary: #00d7ce;
  --brand-gradient: linear-gradient(135deg, #faad08 0%, #d78622 100%);
  
  /* Cores de Status */
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --info: #17a2b8;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-card: #2a2a2a;
  --text-primary: #ffffff;
  --text-secondary: #e9ecef;
  --text-muted: #adb5bd;
  --border-color: #404040;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.3s ease;
  line-height: 1.6;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 25px;
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.theme-toggle-icon {
  font-size: 16px;
  transition: transform 0.3s ease;
}

.theme-toggle-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ===== HEADER ===== */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

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

.logo img {
  height: 40px;
  width: auto;
}

.logo h1 {
  color: var(--brand-primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.welcome {
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
  gap: 8px;
}

.btn-primary {
  background: var(--brand-gradient);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: rgb(0 255 184 / 10%);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

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

.btn-danger:hover {
  background: #c82333;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--brand-primary);
  color: var(--brand-primary);
}

.btn-outline:hover {
  background: var(--brand-primary);
  color: white;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-icon {
  width: 24px;
  height: 24px;
  color: var(--brand-primary);
}

.card-title {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.025em;
}

/* ===== FORMULÁRIOS ===== */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(255, 0, 127, 0.1);
}

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

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.main-content {
  padding: 30px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ===== NAVEGAÇÃO ===== */
.nav-menu {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
  border: 1px solid var(--border-color);
}

.nav-menu ul {
  list-style: none;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: var(--brand-primary);
  color: white;
}

/* ===== ESTATÍSTICAS ===== */
.stat-number {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.05em;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-container {
  padding: 16px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

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

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ===== ALERTAS ===== */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid;
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

.alert-success {
  background: rgba(40, 167, 69, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.alert-info {
  background: rgba(23, 162, 184, 0.1);
  border-color: var(--info);
  color: var(--info);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 15px;
  }
  
  .user-info {
    width: 100%;
    justify-content: space-between;
  }
  
  .nav-menu ul {
    justify-content: center;
  }
  
  .theme-toggle {
    top: 10px;
    right: 10px;
  }
}

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

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

/* ===== CÓDIGO DE REFERÊNCIA ===== */
.referral-code {
  background: var(--bg-secondary);
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 16px 50px 16px 16px;
  font-family: 'SF Mono', 'Monaco', 'Menlo', monospace;
  font-size: 13px;
  word-break: break-all;
  margin: 12px 0;
  position: relative;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.3s ease;
}

.referral-code:hover {
  border-color: var(--brand-primary);
  background: rgb(0 255 184 / 10%);
}

.copy-button {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  background: var(--brand-gradient);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.copy-button:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow:rgb(0 255 184 / 10%);
}

.referral-link-container {
  position: relative;
}