:root {
  --bg-color: #0d0e15;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-glow: rgba(139, 92, 246, 0.4);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warn: #f59e0b;
  --warn-bg: rgba(245, 158, 11, 0.1);
}

[v-cloak] { display: none; }

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
  background-image: radial-gradient(circle at top right, rgba(139, 92, 246, 0.15), transparent 40%),
                    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

.app-container {
  width: 100%;
  max-width: 800px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--glass-shadow);
  padding: 2.5rem;
  transition: transform 0.3s ease;
}

.app-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.app-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #e2e8f0, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 600px) {
  .input-grid {
    grid-template-columns: 1fr;
  }
}

.input-group, .detail-item {
  display: flex;
  flex-direction: column;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.custom-input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  color: var(--text-main);
  font-size: 1.1rem;
  font-family: inherit;
  transition: all 0.3s ease;
  outline: none;
}

.custom-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(0, 0, 0, 0.4);
}

.custom-input.small {
  text-align: center;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  padding: 0.75rem;
}

.alerts {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  border-left: 4px solid;
  font-size: 0.95rem;
  line-height: 1.5;
}

.alert.warn {
  background: var(--warn-bg);
  border-left-color: var(--warn);
  color: #fbbf24;
}

.alert.error {
  background: var(--error-bg);
  border-left-color: var(--error);
  color: #fca5a5;
}

.alert.success {
  background: var(--success-bg);
  border-left-color: var(--success);
  color: #6ee7b7;
}

.info-panel {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-align: center;
}

.info-panel ul {
  list-style-type: none;
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.info-panel code {
  background: rgba(0,0,0,0.3);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  color: var(--accent);
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
}

@media (max-width: 600px) {
  .details-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

.detail-help {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  text-align: center;
}

.highlight {
  color: var(--text-main);
  font-weight: 600;
}

.text-small {
  word-break: break-all;
  font-family: monospace;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.badge.success { background: var(--success-bg); color: var(--success); }
.badge.error { background: var(--error-bg); color: var(--error); }

/* Vue Transitions */
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.fade-enter, .fade-leave-to {
  opacity: 0;
  transform: translateY(-10px);
}