/* Shared modern stylesheet for developer tools */

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: rgba(59, 130, 246, 0.1);
  
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  
  --border-color: #334155;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Base Layout Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex: 1;
}

header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.back-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--accent);
}

.header-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.header-title-group h1 {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.header-description {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Layout Grid / Columns */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

/* Card Component */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc {
  color: var(--text-secondary);
  font-size: 0.925rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.card-badge {
  display: inline-block;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Form inputs & controls */
.form-group {
  margin-bottom: 1.25rem;
}

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

.form-control, select, textarea, input[type="text"], input[type="search"] {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-control:focus, select:focus, textarea:focus, input[type="text"]:focus, input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

textarea.code-area {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
  min-height: 250px;
  resize: vertical;
}

/* Pre / Code view style */
pre {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.875rem;
}

/* Custom JSON highlighting simple styling */
.json-key { color: #f43f5e; }
.json-string { color: #10b981; }
.json-number { color: #f59e0b; }
.json-boolean { color: #3b82f6; }
.json-null { color: #94a3b8; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Toast styling */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--accent);
  color: var(--text-primary);
  padding: 0.875rem 1.25rem;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 500;
  min-width: 250px;
  max-width: 400px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }

/* Footer */
footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}