frontend/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] input,
[data-theme="light"] textarea,
[data-theme="light"] select {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 20%);
}

#root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

input, textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.6); /* Dark theme default */
  border: 1px solid var(--glass-border);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  width: 100%;
  transition: opacity 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  opacity: 0.9;
}

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

pre {
  background: #0f172a;
  padding: 1.5rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  border: 1px solid var(--glass-border);
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .layout {
    grid-template-columns: 1fr 1fr;
  }
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-success {
  background: rgba(34, 197, 94, 0.1);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.header {
  margin-bottom: 3rem;
  text-align: center;
}

.header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}