:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --card-hover: #334155;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --success: #22c55e;
  --gold: #f59e0b;
  --border-color: #334155;
  --nav-bg: #0f172a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
  background: var(--bg-color);
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
  position: relative;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

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

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 16px;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.user-meta {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.user-level {
  font-size: 11px;
  color: var(--text-sub);
}

.balance-badge {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.gem-icon {
  color: var(--accent);
}

/* Content Area */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Mining Dashboard */
.mining-dashboard {
  background: var(--card-bg);
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
}

.energy-info {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.energy-info i {
  color: var(--gold);
}

.energy-bar {
  height: 8px;
  background: #0f172a;
  border-radius: 4px;
  overflow: hidden;
}

.energy-fill {
  height: 100%;
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  transition: width 0.3s ease;
}

/* Mining Zone */
.mining-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

.gem-clicker-wrapper {
  position: relative;
}

.gem-button {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle, #38bdf8 0%, #1e293b 80%);
  box-shadow: 0 0 30px var(--accent-glow), inset 0 0 15px rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: transform 0.08s ease;
}

.gem-button:active {
  transform: scale(0.92);
}

.gem-main-icon {
  font-size: 70px;
  color: #ffffff;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5));
}

.mining-hint {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-sub);
}

/* Floating Click Numbers */
.floating-num {
  position: absolute;
  color: var(--accent);
  font-size: 22px;
  font-weight: 800;
  pointer-events: none;
  animation: floatUp 0.8s ease-out forwards;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-50px); }
}

/* Upgrades Section */
.upgrades-section {
  background: var(--card-bg);
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
}

.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-sub);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.upgrade-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upgrade-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-color);
  padding: 10px 14px;
  border-radius: 10px;
}

.upgrade-icon {
  font-size: 20px;
  color: var(--accent);
}

.upgrade-info {
  flex: 1;
  margin: 0 12px;
}

.upgrade-name {
  font-size: 13px;
  font-weight: 600;
}

.upgrade-effect {
  font-size: 11px;
  color: var(--text-sub);
}

.upgrade-btn {
  background: var(--accent);
  color: #0f172a;
  border: none;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
}

/* Adsgram Compliant Reward Section */
.reward-section {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1.5px solid var(--accent);
  border-radius: 16px;
  padding: 16px;
  position: relative;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.reward-badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--accent);
  color: #0f172a;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 10px;
}

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

.reward-icon {
  font-size: 28px;
  color: var(--gold);
}

.reward-header h3 {
  font-size: 15px;
  font-weight: 700;
}

.reward-desc {
  font-size: 12px;
  color: var(--text-sub);
}

.btn-primary {
  width: 100%;
  background: linear-gradient(90deg, #38bdf8, #0284c7);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.4);
}

.btn-primary:active {
  transform: scale(0.98);
}

.compliance-note {
  display: block;
  font-size: 10px;
  color: var(--success);
  margin-top: 8px;
  text-align: center;
}

/* Proofs Tab */
.tab-header-banner h2 {
  font-size: 18px;
  font-weight: 700;
}

.subtext {
  font-size: 12px;
  color: var(--text-sub);
  margin-top: 4px;
}

.proof-card, .info-card {
  background: var(--card-bg);
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
}

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

.proof-header i {
  font-size: 28px;
  color: #38bdf8;
}

.proof-header h4 {
  font-size: 14px;
}

.proof-header p {
  font-size: 11px;
  color: var(--text-sub);
  margin-top: 2px;
}

.btn-secondary {
  display: block;
  text-align: center;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  padding: 10px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  margin-top: 12px;
}

.section-subtitle {
  font-size: 14px;
  font-weight: 700;
  margin-top: 6px;
}

.payout-table-wrapper {
  background: var(--card-bg);
  border-radius: 14px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.payout-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.payout-table th {
  background: #0f172a;
  color: var(--text-sub);
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
}

.payout-table td {
  padding: 10px 12px;
  border-top: 1px solid var(--border-color);
}

.status-badge.verified {
  color: var(--success);
  font-weight: 600;
}

.policy-list {
  list-style: none;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.policy-list li {
  font-size: 12px;
  color: var(--text-sub);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.policy-list li i {
  color: var(--success);
  margin-top: 2px;
}

/* Bottom Navigation */
.bottom-nav {
  display: flex;
  background-color: var(--nav-bg);
  border-top: 1px solid var(--border-color);
  padding: 6px 0;
}

.nav-item {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-sub);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  font-size: 11px;
  cursor: pointer;
}

.nav-item i {
  font-size: 18px;
}

.nav-item.active {
  color: var(--accent);
}