/* INTA Saju API Console - Shared Stylesheet */

/* ============================================================================
   1. DESIGN TOKENS
   ============================================================================ */

:root {
  /* alias used by inline styles across pages */
  --color-primary: #1a1a1a;
  --color-border: #d1d5db;

  /* Neutrals & Background */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f7f7f8;
  --color-bg-tertiary: #ececf1;
  --color-surface-primary: #ffffff;
  --color-surface-secondary: #fafafa;
  --color-surface-elevated: #f9f9fa;

  /* Text */
  --color-text-primary: #202123;
  --color-text-secondary: #565869;
  --color-text-tertiary: #8e8ea0;
  --color-text-disabled: #c5c5d2;
  --color-text-inverse: #ffffff;

  /* Borders */
  --color-border-default: #d1d5db;
  --color-border-light: #ececf1;
  --color-border-subtle: #e5e5ea;

  /* Semantic: Data Visualization */
  --color-data-primary: #8b5cf6;
  --color-data-secondary: #f97316;
  --color-data-tertiary: #10b981;
  --color-data-accent: #ec4899;

  /* Semantic: Status */
  --color-status-success: #10b981;
  --color-status-error: #ef4444;
  --color-status-warning: #f59e0b;
  --color-status-info: #3b82f6;

  /* Semantic: Interactive */
  --color-interactive-primary: #202123;
  --color-interactive-primary-hover: #0a0a0a;
  --color-interactive-secondary: #f7f7f8;
  --color-interactive-secondary-hover: #ececf1;

  /* Badge/Pill */
  --color-pill-background: #e8dff5;
  --color-pill-text: #7c3aed;

  /* Font Family Stack */
  --font-family-primary: -apple-system, 'Segoe UI', 'Helvetica Neue', 'Pretendard', sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;

  /* Font Size Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Font Weight */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Height */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;

  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Gap */
  --gap-compact: var(--space-4);
  --gap-normal: var(--space-6);
  --gap-relaxed: var(--space-8);

  /* Radii */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-none: none;
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  --easing-out: cubic-bezier(0.16, 1, 0.3, 1);
  --easing-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --easing-in: cubic-bezier(0.4, 0, 1, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #343541;
    --color-bg-secondary: #40414f;
    --color-bg-tertiary: #565869;
    --color-surface-primary: #343541;
    --color-surface-secondary: #40414f;
    --color-surface-elevated: #4d4d66;

    --color-text-primary: #ffffff;
    --color-text-secondary: #acacbe;
    --color-text-tertiary: #8e8ea0;
    --color-text-disabled: #565869;

    --color-border-default: #565869;
    --color-border-light: #40414f;
    --color-border-subtle: #4d4d66;

    --color-data-primary: #a78bfa;
    --color-data-secondary: #fb923c;
    --color-data-tertiary: #6ee7b7;
    --color-data-accent: #f472b6;

    --color-status-success: #6ee7b7;
    --color-status-error: #f87171;
    --color-status-warning: #fbbf24;
    --color-status-info: #60a5fa;

    --color-interactive-primary: #ffffff;
    --color-interactive-primary-hover: #f0f0f0;
    --color-interactive-secondary: #40414f;
    --color-interactive-secondary-hover: #565869;

    --color-pill-background: #5b3fa0;
    --color-pill-text: #e9d5ff;
    --color-text-inverse: #202123;
  }
}

/* ============================================================================
   2. LAYOUT & APP SHELL
   ============================================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 260px;
  height: 100vh;
  background: var(--color-surface-primary);
  border-right: 1px solid var(--color-border-light);
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--duration-normal) var(--easing-ease);
  transform: translateX(0);
}

/* Mobile hidden state (only applies on mobile) */
@media (max-width: 768px) {
  .sidebar.mobile-hidden {
    transform: translateX(-100%);
  }
}

.sidebar-header {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--gap-normal);
  color: var(--color-text-primary);
}

.sidebar-search {
  margin-bottom: var(--gap-normal);
}

.sidebar-search input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.sidebar-search input::placeholder {
  color: var(--color-text-tertiary);
}

.sidebar-search input:focus {
  border-color: var(--color-text-primary);
  outline: none;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-base);
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--duration-fast) var(--easing-ease);
}

.nav-item:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.nav-item.active {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.5;
}

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border-light);
  margin-top: auto;
}

.sidebar-footer svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* Main Content */
main {
  margin-left: 260px;
  flex: 1;
  padding: var(--space-8) var(--space-10);
  background: var(--color-bg-primary);
  transition: margin-left var(--duration-normal) var(--easing-ease);
}

/* Sidebar Overlay (Mobile) */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--easing-ease);
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Hamburger Button */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1001;
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  cursor: pointer;
  transition: all var(--duration-fast) var(--easing-ease);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.sidebar-toggle:hover {
  background: var(--color-bg-secondary);
}

.sidebar-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-primary);
  stroke-width: 2;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--gap-relaxed);
  color: var(--color-text-primary);
}

/* ============================================================================
   3. COMPONENTS
   ============================================================================ */

/* Card */
.card {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base);
  padding: var(--space-8);
  margin-bottom: var(--gap-relaxed);
  box-shadow: var(--shadow-xs);
}

.card h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.card h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

/* Buttons */
.btn {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-base);
  border: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.btn-primary {
  background: var(--color-interactive-primary);
  color: var(--color-text-inverse);
}

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

.btn-secondary {
  background: var(--color-surface-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-light);
}

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

/* Form Elements */
.form-group {
  margin-bottom: var(--gap-normal);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

/* Callout box — token-based so it follows light/dark automatically */
.notice {
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--color-status-info);
  border-radius: var(--radius-base);
  padding: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

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

.notice p {
  color: inherit;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  box-sizing: border-box;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base);
  background: var(--color-surface-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus {
  border-color: var(--color-text-primary);
  outline: none;
}

/* Radio Buttons */
.radio-group {
  display: flex;
  gap: var(--space-4);
}

.radio-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.radio-item input[type="radio"] {
  width: auto;
  margin: 0;
  cursor: pointer;
}

/* Code Blocks */
.code-block {
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base);
  padding: var(--space-4);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  overflow-x: auto;
  color: var(--color-text-primary);
}

.code-block pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-button {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.copy-button:hover {
  background: var(--color-bg-secondary);
}

/* Alerts */
.alert {
  padding: var(--space-4);
  border-radius: var(--radius-base);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  border-left: 4px solid;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-status-error);
  border-left-color: var(--color-status-error);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-status-success);
  border-left-color: var(--color-status-success);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
}

th {
  background: var(--color-bg-secondary);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}

tbody tr:hover {
  background: var(--color-bg-tertiary);
}

/* Helper Text */
.helper-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* ============================================================================
   4. RESPONSIVE
   ============================================================================ */

@media (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }
  main {
    margin-left: 200px;
    padding: var(--space-6) var(--space-6);
  }
}

/* ============================================================================
   5. DOCUMENTATION PAGE STYLES
   ============================================================================ */

.doc-sidebar {
  width: 240px;
  border-right: 1px solid var(--color-border-light);
  padding: var(--space-6) var(--space-4);
  overflow-y: auto;
  flex-shrink: 0;
}

.doc-toc {
  list-style: none;
}

.doc-toc a {
  display: block;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-3);
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  transition: all var(--duration-fast) var(--easing-ease);
}

.doc-toc a:hover,
.doc-toc a.active {
  color: var(--color-data-primary);
  border-left-color: var(--color-data-primary);
}

.doc-content {
  flex: 1;
  padding: var(--space-8);
  max-width: 900px;
  overflow-y: auto;
}

.doc-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-8);
  margin-bottom: var(--gap-normal);
}

.doc-content h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-top: var(--space-6);
  margin-bottom: var(--space-4);
}

.doc-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--gap-compact);
  line-height: var(--line-height-relaxed);
}

.doc-content code {
  background: var(--color-surface-secondary);
  color: var(--color-data-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.doc-content pre {
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  margin: var(--gap-compact) 0;
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--gap-compact) 0;
  font-size: var(--font-size-sm);
}

.doc-content thead th {
  background: var(--color-surface-secondary);
  padding: var(--space-3);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  border-bottom: 1px solid var(--color-border-light);
}

.doc-content tbody td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.doc-content ul,
.doc-content ol {
  margin: var(--gap-compact) 0;
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
}

.doc-content li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

.callout {
  background: var(--color-surface-secondary);
  border-left: 4px solid var(--color-data-primary);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  margin: var(--gap-compact) 0;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--gap-normal);
  margin-bottom: var(--gap-relaxed);
}

.status-item {
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-base);
  padding: var(--space-6);
  text-align: center;
}

.status-item-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.status-item-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.status-item-detail {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-2);
}

@media (max-width: 1024px) {
  .sidebar {
    width: 200px;
  }
  main {
    margin-left: 200px;
  }
  .doc-sidebar {
    width: 180px;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
    overflow-x: hidden;
  }

  .sidebar {
    position: fixed;
    height: 100vh;
    transform: translateX(-100%);
    width: 260px;
  }

  .sidebar.mobile-hidden {
    transform: translateX(-100%);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
  }

  main {
    margin-left: 0;
    padding: var(--space-6) var(--space-4);
    padding-top: calc(44px + var(--space-4) * 2);
    width: 100%;
  }

  .doc-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-4);
  }

  .doc-content {
    padding: var(--space-4);
  }
}

/* FLOAT brand mark (red F;) */
.sidebar-header { display: flex; align-items: center; gap: 8px; }
.sidebar-mark { height: 20px; width: auto; display: block; }

/* AI Capabilities Section - Mobile Responsive Grids */
.ai-capabilities-grid {
  display: grid;
  gap: var(--gap-normal);
  margin-bottom: var(--gap-normal);
}

.ai-capabilities-grid {
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr; /* equal row heights — cards line up */
}

.ai-credentials-grid {
  display: grid;
  gap: var(--gap-compact);
}

.ai-credentials-grid {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .ai-capabilities-grid {
    grid-template-columns: 1fr !important;
  }

  .ai-credentials-grid {
    grid-template-columns: 1fr !important;
  }
}