/* Tscrow Address Verifier - Black & White Theme */

:root {
  /* Colors - Monochrome */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #1a1a1a;

  --border-color: #222222;
  --border-light: #333333;

  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;

  --accent: #ffffff;
  --accent-dim: #cccccc;

  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Spacing */
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Layout */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.card-header {
  margin-bottom: 1.25rem;
}

.card-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Loading State */
.loading-card {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
}

.loading-card.visible {
  display: block;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 1s linear infinite;
}

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

.loading-card p {
  color: var(--text-secondary);
}

/* Error State */
.error-card {
  display: none;
  text-align: center;
  padding: 2rem 1.5rem;
}

.error-card.visible {
  display: block;
}

.error-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.error-card h2 {
  margin-bottom: 0.5rem;
}

.error-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Result Card */
.result-card {
  display: none;
}

.result-card.visible {
  display: block;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.result-icon {
  font-size: 1.75rem;
}

.result-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Deal Info */
.deal-info {
  margin-bottom: 1.5rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.info-row code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Address Comparison */
.address-comparison {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.address-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem;
}

.address-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.address-box code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--text-primary);
}

/* Match Status */
.match-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.match-status.match {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
}

.match-status.mismatch {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

.status-icon {
  font-size: 1.25rem;
}

/* Manual Mode */
#manualMode {
  display: none;
}

#manualMode.visible {
  display: block;
}

/* Form */
.form-section {
  margin-bottom: 1rem;
}

.form-section label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

input,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  transition: border-color 0.2s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--accent-dim);
}

input::placeholder {
  color: var(--text-muted);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: var(--bg-primary);
  margin-top: 0.5rem;
}

.btn-primary:hover {
  background: var(--accent-dim);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

/* Error Message */
.error-message {
  display: none;
  color: var(--error);
  font-size: 0.875rem;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius);
}

.error-message.visible {
  display: block;
}

/* Manual Result */
.manual-result {
  display: none;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.manual-result.visible {
  display: block;
}

.result-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.result-address {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.result-address code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  word-break: break-all;
}

.copy-btn {
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s;
}

.copy-btn:hover {
  background: var(--bg-card-hover);
}

/* Trust Notice */
.trust-notice {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.trust-icon {
  font-size: 1.25rem;
}

.trust-notice p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Footer */
footer {
  text-align: center;
  padding-top: 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--text-primary);
}

footer span {
  margin: 0 0.5rem;
}