/* Brutalist Minimalist Theme */
:root {
  --black: #000000;
  --white: #ffffff;
  --gray-dark: #1a1a1a;
  --gray-mid: #333333;
  --gray-light: #666666;
  --gray-border: #e0e0e0;
  --orange: #ff6b00;
  --orange-light: #ff8533;
  --orange-dark: #e55c00;
  --green: #4ade80;
  --green-dark: #22c55e;
  --red: #ef4444;
  --yellow: #fbbf24;
  
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --bg-primary: var(--white);
  --bg-card: var(--black);
  --text-primary: var(--black);
  --text-card: var(--white);
  --border-color: var(--black);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-card: #1a1a1a;
  --text-primary: #ffffff;
  --text-card: #ffffff;
  --border-color: #333333;
  --gray-border: #333333;
  --gray-light: #999999;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  transition: background-color 0.2s, color 0.2s;
}

/* Container */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.subtitle {
  font-size: 0.875rem;
  color: var(--gray-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Header Row */
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.mono {
  font-family: var(--font-mono);
}

/* Divider */
.divider {
  border: none;
  border-top: 3px solid var(--orange);
  margin: 2rem 0;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-box {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.stat-value.mono {
  font-size: 1rem;
}

/* Info Banner */
.info-banner {
  background: var(--orange);
  color: var(--white);
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 1rem;
}

/* Countdown Banner */
.countdown-banner {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border: 2px solid var(--border-color);
}

.countdown-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-light);
}

.countdown-time {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.05em;
}

/* Wallet Section */
.wallet-section {
  border: 2px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.wallet-prompt {
  font-size: 0.875rem;
  color: var(--gray-light);
  margin-right: 1rem;
}

.wallet-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.wallet-row span {
  font-size: 0.875rem;
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--black);
  cursor: pointer;
  transition: all 0.1s ease;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

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

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

.btn-claim {
  width: 100%;
  background: var(--gray-light);
  color: var(--white);
  border-color: var(--gray-light);
  margin-top: 1rem;
}

.btn-claim:not(:disabled) {
  background: var(--orange);
  border-color: var(--orange);
}

.btn-claim:not(:disabled):hover {
  background: var(--orange-light);
  border-color: var(--orange-light);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Theme Toggle Button */
.btn-theme {
  background: var(--bg-card);
  color: var(--text-card);
  border-color: var(--border-color);
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
}

.btn-theme:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

/* Share Button */
.btn-share {
  display: inline-block;
  width: 100%;
  margin-top: 0.75rem;
  background: var(--gray-dark);
  color: var(--white);
  border-color: var(--gray-dark);
  text-align: center;
  text-decoration: none;
}

.btn-share:hover {
  background: #1da1f2;
  border-color: #1da1f2;
}

/* Status Banner */
.status-banner {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 2rem;
}

.status-banner.success {
  background: var(--orange);
  color: var(--white);
}

.status-banner.error {
  background: var(--red);
  color: var(--white);
}

/* Claim Grid */
.claim-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.claim-card,
.token-card {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.5rem;
}

.claim-card h3,
.token-card h3 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.claim-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.info-row span:first-child {
  color: var(--gray-light);
}

.info-row span:last-child {
  font-weight: 600;
}

/* Token Card */
.token-display {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.token-symbol {
  font-size: 2rem;
  font-weight: 700;
}

.token-network {
  font-size: 0.75rem;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Claim Status */
.claim-status {
  margin-top: 1rem;
  padding: 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--gray-mid);
}

.claim-status.error {
  border-color: var(--red);
  color: var(--red);
}

.claim-status.success {
  border-color: var(--orange);
  color: var(--orange);
}

.claim-status.pending {
  border-color: var(--yellow);
  color: var(--yellow);
}

.claim-status a {
  color: inherit;
}

/* History Card */
.history-card {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.history-card h3 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.history-empty {
  color: var(--gray-light);
  font-size: 0.875rem;
  text-align: center;
  padding: 1rem;
}

.history-item {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  padding: 1rem;
  background: var(--gray-dark);
  align-items: center;
}

.history-date {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.history-date .date {
  font-size: 0.875rem;
  font-weight: 600;
}

.history-date .time {
  font-size: 0.75rem;
  color: var(--gray-light);
}

.history-amount {
  text-align: center;
}

.history-amount .amount {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--orange);
}

.history-amount .token {
  font-size: 0.75rem;
  color: var(--gray-light);
  margin-left: 0.25rem;
}

.history-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.history-meta .round {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gray-light);
}

.history-meta .tx-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--orange);
  text-decoration: none;
}

.history-meta .tx-link:hover {
  text-decoration: underline;
}

/* Not Eligible */
.not-eligible-card {
  border: 2px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.not-eligible-card h3 {
  margin-bottom: 1rem;
}

.not-eligible-card p {
  font-size: 0.875rem;
  color: var(--gray-light);
  margin-bottom: 0.5rem;
}

.not-eligible-card .hint {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Network Selector */
.network-selector {
  margin-bottom: 2rem;
}

.network-selector select {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 200px;
}

.network-selector select:focus {
  outline: none;
  border-color: var(--orange);
}

/* Footer */
.footer {
  padding-top: 2rem;
  border-top: 1px solid var(--gray-border);
}

.footer a {
  font-size: 0.75rem;
  color: var(--gray-light);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer a:hover {
  color: var(--orange);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  opacity: 0.95;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay p {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Address Lookup */
.lookup-section {
  border: 2px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.lookup-header {
  margin-bottom: 1rem;
}

.lookup-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
}

.lookup-row {
  display: flex;
  gap: 0.75rem;
}

.lookup-input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.lookup-input:focus {
  outline: none;
  border-color: var(--orange);
}

.lookup-input::placeholder {
  color: var(--gray-light);
}

.lookup-result {
  margin-top: 1rem;
  padding: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.lookup-result.eligible {
  background: var(--orange);
  color: var(--white);
}

.lookup-result.not-eligible {
  background: var(--gray-mid);
  color: var(--white);
}

.lookup-result.error {
  background: var(--red);
  color: var(--white);
}

/* Gas Estimate */
.gas-estimate {
  margin-top: 0.75rem;
  padding: 0.5rem;
  font-size: 0.75rem;
  color: var(--gray-light);
  text-align: center;
  border: 1px dashed var(--gray-mid);
}

/* History Header with Export */
.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.history-header h3 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin: 0;
  padding: 0;
  border: none;
}

.btn-small {
  font-size: 0.625rem;
  padding: 0.5rem 0.75rem;
  background: var(--gray-mid);
  color: var(--white);
  border-color: var(--gray-mid);
}

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

/* Analytics Card */
.analytics-card {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.analytics-card h3 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.analytics-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.analytics-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.analytics-label {
  font-size: 0.75rem;
  color: var(--gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.analytics-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--orange);
}

.analytics-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 100px;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-mid);
}

.chart-bar-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  height: 100%;
}

.chart-bar {
  width: 100%;
  max-width: 40px;
  background: var(--orange);
  min-height: 4px;
  transition: height 0.3s ease;
}

.chart-label {
  font-size: 0.625rem;
  color: var(--gray-light);
  text-transform: uppercase;
}

/* Recent Claims */
.recent-claims-card {
  background: var(--bg-card);
  color: var(--text-card);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.recent-claims-card h3 {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-mid);
}

.recent-claims-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
}

.recent-claim-item {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1rem;
  padding: 0.75rem;
  background: var(--gray-dark);
  align-items: center;
  font-size: 0.875rem;
}

.recent-claim-address {
  color: var(--gray-light);
}

.recent-claim-amount {
  color: var(--orange);
  font-weight: 600;
  text-align: center;
}

.recent-claim-link {
  font-size: 0.75rem;
  color: var(--orange);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recent-claim-link:hover {
  text-decoration: underline;
}

.recent-claims-empty,
.recent-claims-loading {
  color: var(--gray-light);
  font-size: 0.875rem;
  text-align: center;
  padding: 1rem;
}

/* FAQ Section */
.faq-section {
  margin-bottom: 2rem;
}

.faq-section h3 {
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border: 2px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--bg-card);
  color: var(--text-card);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  transition: transform 0.2s;
}

.faq-item.open .faq-question::after {
  content: "−";
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1rem;
  background: var(--bg-card);
  color: var(--text-card);
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--gray-light);
}

/* Network Status Indicator */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-light);
}

.stat-box.status-live .status-indicator::before {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.stat-box.status-live {
  border-left: 3px solid var(--green);
}

.stat-box.status-paused .status-indicator::before {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.stat-box.status-paused {
  border-left: 3px solid var(--red);
}

.stat-box.status-warning .status-indicator::before {
  background: var(--yellow);
  box-shadow: 0 0 8px var(--yellow);
}

.stat-box.status-warning {
  border-left: 3px solid var(--yellow);
}

.stat-box.status-offline .status-indicator::before {
  background: var(--gray-light);
}

.stat-box.status-offline {
  border-left: 3px solid var(--gray-light);
}

/* Utility */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .stats-row {
    grid-template-columns: 1fr;
  }
  
  .claim-grid {
    grid-template-columns: 1fr;
  }
  
  .wallet-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .history-item {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .history-date,
  .history-meta {
    align-items: center;
  }
  
  .header-row {
    flex-direction: column;
    gap: 1rem;
  }
  
  .countdown-banner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .lookup-row {
    flex-direction: column;
  }
  
  .lookup-row .btn {
    width: 100%;
  }
  
  .analytics-summary {
    grid-template-columns: 1fr;
  }
  
  .recent-claim-item {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0.5rem;
  }
  
  .history-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}

/* Network Selector Top */
.network-select-top {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--orange);
  color: var(--bg);
  border: 2px solid var(--orange);
  border-radius: 4px;
  cursor: pointer;
  font-family: 'Space Mono', monospace;
  text-transform: uppercase;
  transition: all 0.2s;
  min-width: 180px;
}

.network-select-top:hover {
  background: var(--bg);
  color: var(--orange);
}

@media (max-width: 768px) {
  .network-select-top {
    min-width: 140px;
    font-size: 0.75rem;
    padding: 0.5rem 0.8rem;
  }
}