:root {
  --bg-color: #0A1A12;
  --panel-bg: rgba(16, 185, 129, 0.05);
  --panel-border: rgba(16, 185, 129, 0.2);
  --text-main: #FFFFFF;
  --text-muted: #9CA3AF;
  --primary: #10B981;
  --primary-hover: #059669;
  --secondary: #6EE7B7;
  --accent: #F59E0B;
  --danger: #EF4444;
  --overlay-bg: rgba(10, 26, 18, 0.8);
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius: 12px;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

.app-container {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header */
header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 1.5rem;
}

.header-icon {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
}

.header-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.header-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Intro & Controls */
.control-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.intro-text {
  color: var(--text-muted);
  font-size: 1rem;
}

.primary-btn {
  background: var(--primary);
  color: var(--bg-color);
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  font-family: var(--font-family);
}

.primary-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.primary-btn:active {
  transform: translateY(0);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Results Dashboard */
.results-dashboard {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  animation: fadeIn 0.4s ease-out;
}

.result-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.highlight-card {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: rgba(156, 163, 175, 0.2);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.status-badge.success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--primary);
}

.status-badge.warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent);
}

.status-badge.danger {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.card-body {
  padding: 1.5rem;
}

/* Data Grid */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.data-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.data-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.data-value {
  font-size: 1rem;
  font-family: monospace;
  color: var(--secondary);
  word-break: break-all;
}

.card-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px dashed var(--panel-border);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

/* Analysis Box */
.analysis-result {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.analysis-result.status-good { color: var(--primary); }
.analysis-result.status-warn { color: var(--accent); }
.analysis-result.status-bad { color: var(--danger); }

.recommendation {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Info Notice */
.info-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.info-notice svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.info-notice strong {
  color: var(--text-main);
}

/* Animations & Utilities */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--panel-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary);
  color: var(--bg-color);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s cubic-based(0.175, 0.885, 0.32, 1.275);
  opacity: 0;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 600px) {
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .data-grid {
    grid-template-columns: 1fr;
  }
}