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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#app {
  width: 100%;
  max-width: 430px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 20px 80px;
  position: relative;
  background: #ffffff;
  transition: background 0.2s;
}

/* ============================================
   BOTTOM NAVIGATION (Dark)
============================================ */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: #1a1f2e;
  display: none;
  justify-content: space-around;
  padding: 6px 0 10px;
  z-index: 1000;
  border-top: 1px solid #2a3040;
}

#bottom-nav.show {
  display: flex;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 4px 12px;
  color: #6a7488;
  border: none;
  background: none;
  font-size: 11px;
  transition: color 0.2s;
  min-width: 56px;
  text-decoration: none;
}

.nav-item i {
  font-size: 22px;
  margin-bottom: 2px;
}

.nav-item.active {
  color: #FF6B00;
}

.nav-item span {
  font-size: 10px;
  font-weight: 500;
}

/* ============================================
   AUTH PAGES (Register / Login) – Light Theme
============================================ */
.auth-page {
  background: #ffffff;
  min-height: 100vh;
  padding: 30px 0 20px;
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

/* Big circular logo */
.auth-logo {
  display: block;
  width: 120px;
  height: 120px;
  margin: 0 auto 10px;
  border-radius: 50%;
  object-fit: cover;
  background: #f5f5f5;
  padding: 6px;
  border: 3px solid #FF6B00;
}

/* Fallback text/emoji logo */
.logo-fallback {
  display: none;
  font-size: 60px;
  text-align: center;
  width: 120px;
  height: 120px;
  line-height: 120px;
  border-radius: 50%;
  background: #f5f5f5;
  border: 3px solid #FF6B00;
  margin: 0 auto 10px;
  color: #FF6B00;
}

.auth-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: #FF6B00;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.auth-header .sub {
  font-size: 14px;
  color: #888;
  margin-top: 2px;
  letter-spacing: 2px;
  font-weight: 500;
}

.auth-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 10px 0;
}

.auth-card .input-group {
  margin-bottom: 18px;
}

.auth-card .input-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #333;
  margin-bottom: 4px;
  letter-spacing: 0.3px;
}

.auth-card .input-group input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  background: #fafafa;
  transition: border 0.3s, background 0.3s;
  color: #333;
}

.auth-card .input-group input:focus {
  border-color: #FF6B00;
  outline: none;
  background: #ffffff;
}

.auth-btn {
  width: 100%;
  padding: 14px;
  background: #FF6B00;
  color: #ffffff;
  border: none;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.1s;
  margin-top: 6px;
}

.auth-btn:hover {
  opacity: 0.85;
}

.auth-btn:active {
  transform: scale(0.97);
}

.auth-footer {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: #555;
}

.auth-footer .link {
  color: #FF6B00;
  text-decoration: none;
  font-weight: 600;
}

.auth-footer .link:hover {
  text-decoration: underline;
}

.auth-bottom-links {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
  color: #aaa;
  font-size: 13px;
  font-weight: 500;
}

.auth-bottom-links span {
  cursor: default;
}

.auth-bottom-links i {
  margin-right: 4px;
}

/* ============================================
   DARK THEME PAGES (Home, Product, Team, Mine, etc.)
============================================ */
.dark-page {
  background: #0f1624;
  color: #ffffff;
}

.card {
  background: #141c2b;
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 12px;
  border: 1px solid #1e2838;
}

.card-glass {
  background: linear-gradient(135deg, #1a2a3a, #0f1a24);
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 12px;
  border: 1px solid #2a3a4a;
}

.btn {
  background: #FF6B00;
  color: #ffffff;
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 15px;
  width: 100%;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.1s;
}

.btn:hover {
  opacity: 0.85;
}

.btn:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: transparent;
  border: 1px solid #FF6B00;
  color: #FF6B00;
}

.btn-danger {
  background: #d32f2f;
  color: #ffffff;
}

.btn-small {
  width: auto;
  padding: 8px 18px;
  font-size: 13px;
}

.dark-page .input-group input,
.dark-page .input-group select {
  background: #0a0e17;
  border: 1px solid #2a3040;
  color: #ffffff;
}

.dark-page .input-group input:focus {
  border-color: #FF6B00;
  outline: none;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
  color: #ffffff;
}

.page-subtitle {
  color: #8a94a6;
  font-size: 14px;
  text-align: center;
  margin-bottom: 16px;
}

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

.home-balance-amount {
  font-size: 28px;
  font-weight: 700;
}

.home-balance-label {
  color: #8a94a6;
  font-size: 13px;
}

.home-balance-income {
  text-align: right;
}

.home-balance-income .amount {
  font-size: 20px;
  font-weight: 600;
  color: #4caf50;
}

.home-quick-actions {
  display: flex;
  gap: 10px;
  margin: 12px 0 16px;
}

.home-quick-actions .card {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  cursor: pointer;
  transition: border 0.2s;
}

.home-quick-actions .card:hover {
  border-color: #FF6B00;
}

.home-quick-actions .icon {
  font-size: 26px;
  color: #FF6B00;
}

.home-quick-actions .label {
  font-size: 12px;
  margin-top: 4px;
  color: #8a94a6;
}

.home-quick-actions .sub-label {
  font-size: 11px;
  color: #4caf50;
}

.product-card {
  background: #141c2b;
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid #1e2838;
}

.product-card h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.product-card p {
  color: #8a94a6;
  font-size: 14px;
  margin: 2px 0;
}

.product-card .price {
  color: #FF6B00;
  font-weight: 700;
  font-size: 18px;
}

.team-code {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 8px 0;
}

.team-code code {
  background: #0a0e17;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fff;
}

.team-stats {
  display: flex;
  gap: 10px;
  margin: 12px 0;
}

.team-stats .stat {
  flex: 1;
  text-align: center;
  background: #141c2b;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #1e2838;
}

.team-stats .stat .number {
  font-size: 22px;
  font-weight: 700;
  color: #FF6B00;
}

.team-stats .stat .label {
  font-size: 12px;
  color: #8a94a6;
}

.team-level {
  background: #141c2b;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 8px;
  border-left: 3px solid #FF6B00;
}

.team-level .level-title {
  font-weight: 600;
  font-size: 15px;
}

.team-level .level-detail {
  font-size: 13px;
  color: #8a94a6;
}

.team-level .level-percent {
  color: #FF6B00;
  font-weight: 700;
}

.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 10px 0;
}

.amount-grid .btn {
  padding: 10px;
  font-size: 14px;
}

.mine-profile {
  text-align: center;
}

.mine-profile .avatar {
  font-size: 56px;
  margin-bottom: 8px;
}

.mine-profile .name {
  font-size: 20px;
  font-weight: 700;
}

.mine-profile .level {
  color: #FF6B00;
  font-size: 14px;
}

.mine-menu {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.mine-menu .btn {
  padding: 12px;
  font-size: 13px;
}

.checkin-icon {
  font-size: 56px;
  color: #FF6B00;
  text-align: center;
  display: block;
  margin: 8px 0;
}

.checkin-amount {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  color: #FF6B00;
}

.task-progress {
  background: #1e2838;
  height: 6px;
  border-radius: 4px;
  margin: 6px 0;
  overflow: hidden;
}

.task-progress .fill {
  background: #FF6B00;
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s;
}

.record-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #1e2838;
}

.record-item:last-child {
  border-bottom: none;
}

.record-item .desc {
  font-size: 14px;
}

.record-item .date {
  font-size: 11px;
  color: #6a7488;
}

.record-item .amount-positive {
  color: #4caf50;
  font-weight: 600;
}

.record-item .amount-negative {
  color: #f44336;
  font-weight: 600;
}

.service-card {
  text-align: center;
  background: #141c2b;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid #1e2838;
}

.service-card .icon {
  font-size: 48px;
  color: #FF6B00;
}

.service-card .title {
  font-size: 18px;
  font-weight: 600;
  margin: 8px 0;
}

.service-card .sub {
  color: #8a94a6;
  font-size: 14px;
}

#toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: 90%;
  max-width: 400px;
}

.toast {
  background: #141c2b;
  color: #ffffff;
  padding: 14px 18px;
  border-radius: 12px;
  margin-bottom: 8px;
  border-left: 4px solid #FF6B00;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
}

.toast-success { border-left-color: #4caf50; }
.toast-error { border-left-color: #f44336; }
.toast-warning { border-left-color: #ff9800; }

@keyframes slideIn {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (min-width: 431px) {
  body { background: #e8ecf1; padding: 20px; }
  #app { border-radius: 24px; min-height: 90vh; max-height: 95vh; box-shadow: 0 20px 60px rgba(0,0,0,0.15); overflow-y: auto; padding-bottom: 80px; }
  #bottom-nav { max-width: 430px; border-radius: 0 0 24px 24px; }
}

@media (max-width: 430px) {
  #app { min-height: 100vh; border-radius: 0; }
  #bottom-nav { max-width: 100%; border-radius: 0; }
}