@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&family=Instrument+Sans:wght@400;600;700&display=swap');

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

/* ===== Color Variables ===== */

/* Dark theme values */
:root {
  --dark-bg-primary: #111114;
  --dark-bg-secondary: #18181c;
  --dark-bg-tertiary: #222228;
  --dark-border: #333340;
  --dark-text-primary: #f5f5f7;
  --dark-text-secondary: #9090a0;
  --dark-accent: #f0883e;
  --dark-accent-hover: #ffa657;
  --dark-success: #22c55e;
  --dark-danger: #ef4444;
  --dark-syntax-tag: #ff7b72;
  --dark-syntax-attr: #79c0ff;
  --dark-syntax-value: #a5d6ff;
  --dark-syntax-param: #7ee787;
  --dark-overlay-light: rgba(255, 255, 255, 0.03);
  --dark-overlay-dark: rgba(0, 0, 0, 0.1);

  /* Light theme values */
  --light-bg-primary: #ffffff;
  --light-bg-secondary: #f8f9fa;
  --light-bg-tertiary: #e9ecef;
  --light-border: #dee2e6;
  --light-text-primary: #212529;
  --light-text-secondary: #6c757d;
  --light-accent: #e07020;
  --light-accent-hover: #c85a10;
  --light-success: #198754;
  --light-danger: #dc3545;
  --light-syntax-tag: #cf222e;
  --light-syntax-attr: #0550ae;
  --light-syntax-value: #0a3069;
  --light-syntax-param: #116329;
  --light-overlay-light: rgba(0, 0, 0, 0.02);
  --light-overlay-dark: rgba(0, 0, 0, 0.04);

  /* Default to dark mode */
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --border: var(--dark-border);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --accent: var(--dark-accent);
  --accent-hover: var(--dark-accent-hover);
  --success: var(--dark-success);
  --danger: var(--dark-danger);
  --syntax-tag: var(--dark-syntax-tag);
  --syntax-attr: var(--dark-syntax-attr);
  --syntax-value: var(--dark-syntax-value);
  --syntax-param: var(--dark-syntax-param);
  --overlay-light: var(--dark-overlay-light);
  --overlay-dark: var(--dark-overlay-dark);
  
  color-scheme: dark light;
}

/* ===== Light Mode (Auto) ===== */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: var(--light-bg-primary);
    --bg-secondary: var(--light-bg-secondary);
    --bg-tertiary: var(--light-bg-tertiary);
    --border: var(--light-border);
    --text-primary: var(--light-text-primary);
    --text-secondary: var(--light-text-secondary);
    --accent: var(--light-accent);
    --accent-hover: var(--light-accent-hover);
    --success: var(--light-success);
    --danger: var(--light-danger);
    --syntax-tag: var(--light-syntax-tag);
    --syntax-attr: var(--light-syntax-attr);
    --syntax-value: var(--light-syntax-value);
    --syntax-param: var(--light-syntax-param);
    --overlay-light: var(--light-overlay-light);
    --overlay-dark: var(--light-overlay-dark);
  }
}

/* ===== Dark Mode Override ===== */
:root.dark {
  --bg-primary: var(--dark-bg-primary);
  --bg-secondary: var(--dark-bg-secondary);
  --bg-tertiary: var(--dark-bg-tertiary);
  --border: var(--dark-border);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --accent: var(--dark-accent);
  --accent-hover: var(--dark-accent-hover);
  --success: var(--dark-success);
  --danger: var(--dark-danger);
  --syntax-tag: var(--dark-syntax-tag);
  --syntax-attr: var(--dark-syntax-attr);
  --syntax-value: var(--dark-syntax-value);
  --syntax-param: var(--dark-syntax-param);
  --overlay-light: var(--dark-overlay-light);
  --overlay-dark: var(--dark-overlay-dark);
  color-scheme: dark;
}

/* ===== Light Mode Override ===== */
:root.light {
  --bg-primary: var(--light-bg-primary);
  --bg-secondary: var(--light-bg-secondary);
  --bg-tertiary: var(--light-bg-tertiary);
  --border: var(--light-border);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  --accent: var(--light-accent);
  --accent-hover: var(--light-accent-hover);
  --success: var(--light-success);
  --danger: var(--light-danger);
  --syntax-tag: var(--light-syntax-tag);
  --syntax-attr: var(--light-syntax-attr);
  --syntax-value: var(--light-syntax-value);
  --syntax-param: var(--light-syntax-param);
  --overlay-light: var(--light-overlay-light);
  --overlay-dark: var(--light-overlay-dark);
  color-scheme: light;
}

/* ===== Base Styles ===== */
body {
  font-family: 'Instrument Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dark mode background gradient */
@media (prefers-color-scheme: dark) {
  body {
    background-image: 
      radial-gradient(ellipse at 10% 0%, rgba(240, 136, 62, 0.05) 0%, transparent 40%),
      radial-gradient(ellipse at 90% 100%, rgba(34, 197, 94, 0.03) 0%, transparent 40%);
  }
}

/* Light mode background gradient */
@media (prefers-color-scheme: light) {
  body {
    background-image: 
      radial-gradient(ellipse at 10% 0%, rgba(240, 136, 62, 0.08) 0%, transparent 40%),
      radial-gradient(ellipse at 90% 100%, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
  }
}

/* Override gradients when class is applied */
:root.dark body {
  background-image: 
    radial-gradient(ellipse at 10% 0%, rgba(240, 136, 62, 0.05) 0%, transparent 40%),
    radial-gradient(ellipse at 90% 100%, rgba(34, 197, 94, 0.03) 0%, transparent 40%);
}

:root.light body {
  background-image: 
    radial-gradient(ellipse at 10% 0%, rgba(240, 136, 62, 0.08) 0%, transparent 40%),
    radial-gradient(ellipse at 90% 100%, rgba(34, 197, 94, 0.05) 0%, transparent 40%);
}

/* ===== Layout ===== */
.page-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ===== Header ===== */
header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.logos {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-link {
  display: flex;
  align-items: center;
  background: white;
  padding: 0.25rem 0.35rem;
  border-radius: 4px;
  text-decoration: none;
}

.logo-link img,
.logo-link svg {
  height: 1.25rem;
  width: auto;
  display: block;
}

/* ===== Typography ===== */
h1 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

h2 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  margin-bottom: 0;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

/* ===== Buttons ===== */
button,
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: white;
}

button:hover:not(:disabled),
.btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

button:disabled,
.btn:disabled {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: not-allowed;
  border: 1px solid var(--border);
}

/* ===== Form Controls ===== */
input[type="text"],
input[type="search"],
input[type="number"] {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.15s ease;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

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

/* ===== Cards ===== */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

/* ===== Info Sections ===== */
.info-sections {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 2rem;
  max-width: 900px;
}

.info-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  width: 100%;
}

.info-card h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.info-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.info-card p:last-child {
  margin-bottom: 0;
}

.info-card ul,
.info-card ol {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.25rem;
}

.info-card li {
  margin-bottom: 0.35rem;
}

.info-card .warning {
  color: var(--accent);
  font-weight: 500;
}

.info-card .tag {
  display: inline-block;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  margin: 0.15rem 0.25rem 0.15rem 0;
}

.faq-item {
  margin-bottom: 1rem;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-item strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
}

/* ===== Footer ===== */
footer {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* ===== Loading Spinner ===== */
.loading-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s linear infinite;
}

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

/* ===== Code/Mono Text ===== */
code,
.mono {
  font-family: 'JetBrains Mono', monospace;
}

/* ===== Theme Toggle ===== */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0;
  overflow: hidden;
}

.theme-toggle button {
  padding: 0.4rem 0.6rem;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.theme-toggle button:hover:not(.active) {
  background: var(--overlay-light);
  color: var(--text-primary);
}

.theme-toggle button.active {
  background: var(--accent);
  color: white;
}

.theme-toggle button svg {
  width: 14px;
  height: 14px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .page-wrapper {
    padding: 1rem;
  }
  
  header {
    flex-direction: column;
    align-items: flex-start;
  }
}