:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: rgba(30, 41, 59, 0.85);
  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: rgba(255, 255, 255, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
}

.app-container {
  width: 100%;
  max-width: 480px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.user-info h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.user-handle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-badge {
  background: rgba(34, 197, 94, 0.12);
  color: var(--accent-green);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Balance Card */
.balance-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  padding: 24px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-bg-gradient {
  position: absolute;
  top: -50%;
  right: -30%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.25) 0%, rgba(99, 102, 241, 0) 70%);
  pointer-events: none;
}

.card-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.balance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.balance-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.icon-btn {
  background: rgba(255, 255, 255, 0.06);
  border: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.balance-amount-wrapper {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.currency {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--accent-blue);
}

.balance-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

/* Actions Grid (Depositar e Sacar) */
.actions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.action-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.deposit-btn .btn-icon {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
}

.withdraw-btn .btn-icon {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.action-btn span {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Fee Badges */
.fee-badge-info {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.82rem;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Transactions Section */
.transactions-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.refresh-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: transform 0.3s ease;
}

.refresh-btn:hover {
  color: var(--text-main);
  transform: rotate(180deg);
}

.tx-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tx-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

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

.tx-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
}

.tx-icon.in {
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
}

.tx-icon.out {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.tx-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tx-title {
  font-size: 0.88rem;
  font-weight: 600;
}

.tx-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tx-amount {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
}

.tx-amount.in {
  color: var(--accent-green);
}

.tx-amount.out {
  color: var(--text-main);
}

/* Admin Section */
.admin-card {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-badge {
  background: var(--accent-indigo);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.admin-stat-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.stat-value.green {
  color: var(--accent-green);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-secondary);
  border-radius: 24px 24px 0 0;
  border: 1px solid var(--border-color);
  padding: 24px 20px 32px 20px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
}

.close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.input-group input, .input-group select {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-main);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.input-group input:focus, .input-group select:focus {
  border-color: var(--accent-blue);
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  border: none;
  color: #fff;
  border-radius: 14px;
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.3);
  transition: all 0.2s ease;
}

.withdraw-accent {
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  box-shadow: 0 4px 14px rgba(244, 63, 94, 0.3);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 12px;
  padding: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.success-btn {
  background: var(--accent-green);
  border: none;
  color: #fff;
  border-radius: 12px;
  padding: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.hidden {
  display: none !important;
}

.pix-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
}

.qr-code-wrapper {
  background: #fff;
  padding: 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-wrapper img {
  width: 180px;
  height: 180px;
}

.pix-copia-cola {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pix-copia-cola input {
  font-size: 0.78rem;
  font-family: monospace;
}

.demo-pay-notice {
  width: 100%;
  background: rgba(34, 197, 94, 0.1);
  border: 1px dashed rgba(34, 197, 94, 0.3);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--accent-blue);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 2000;
  transition: all 0.3s ease;
}