/* ==========================================================================
   Konceptor Base CSS - Global Design Tokens
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
  /* --------------------------------------------------------------------------
     Typography
     -------------------------------------------------------------------------- */
  --font-family-primary: "Google Sans", Roboto, Arial, sans-serif;
  --font-family-ui: Arial, Helvetica, sans-serif;

  /* Font sizes */
  --font-size-xs: 12px;
  --font-size-small: 13px;
  --font-size-base: 14px;
  --font-size-large: 16px;
  --font-size-title: 16px;

  /* Font weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Line heights */
  --line-height-tight: 1.3;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.6;

  /* --------------------------------------------------------------------------
     Brand Colors
     -------------------------------------------------------------------------- */
  /* Primary (Navy) */
  --color-primary: #000080;
  --color-primary-hover: #000066;
  --color-primary-light: #e9ecef;

  /* Secondary (Gray) */
  --color-secondary: #6c757d;
  --color-secondary-hover: #5a6268;
  --color-secondary-light: #ced4da;
  --color-secondary-lighter: #adb5bd;

  /* Accent (Sky blue - used for links and some buttons) */
  --color-accent: #0369a1;
  --color-accent-hover: #025d8a;

  /* Success (Green) */
  --color-success: #28a745;
  --color-success-hover: #218838;
  --color-success-bg: #d4edda;
  --color-success-border: #c3e6cb;
  --color-success-text: #155724;

  /* Danger (Red) */
  --color-danger: #dc3545;
  --color-danger-bg: #f8d7da;
  --color-danger-border: #f5c6cb;
  --color-danger-text: #721c24;

  /* Warning (Yellow/Orange) */
  --color-warning: #ffc107;
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffeaa7;
  --color-warning-text: #856404;

  /* Info (Light blue) */
  --color-info: #0e7490;
  --color-info-bg: #d1ecf1;
  --color-info-border: #bee5eb;
  --color-info-text: #0c5460;

  /* Hashtag (Blue) */
  --color-hashtag: #2563eb;
  --color-hashtag-hover: #1d4ed8;
  --color-hashtag-bg: #dbeafe;
  --color-hashtag-border: #93c5fd;
  --color-hashtag-text: #1e40af;

  /* Source blocks */
  --color-idea: #2563eb;
  --color-idea-bg: #eff6ff;
  --color-idea-text: #1e40af;
  --color-fact: #059669;
  --color-fact-bg: #ecfdf5;
  --color-fact-text: #065f46;

  /* --------------------------------------------------------------------------
     Neutral Colors (Light Theme)
     -------------------------------------------------------------------------- */
  /* Background/Foreground - Light Theme */
  --color-background: #ffffff;
  --color-foreground: #000000;

  /* Aliases for compatibility */
  --color-white: var(--color-background);
  --color-black: var(--color-foreground);

  /* Neutral Scale - Light Theme (lighter = lower values) */
  --color-neutral-100: #f8f9fa;
  --color-neutral-200: #e9ecef;
  --color-neutral-300: #dee2e6;
  --color-neutral-400: #ced4da;
  --color-neutral-500: #adb5bd;
  --color-neutral-600: #6c757d;
  --color-neutral-700: #495057;
  --color-neutral-800: #333333;
  --color-neutral-900: #555555;

  /* Gray scale alias for compatibility */
  --color-gray-100: var(--color-neutral-100);
  --color-gray-200: var(--color-neutral-200);
  --color-gray-300: var(--color-neutral-300);
  --color-gray-400: var(--color-neutral-400);
  --color-gray-500: var(--color-neutral-500);
  --color-gray-600: var(--color-neutral-600);
  --color-gray-700: var(--color-neutral-700);
  --color-gray-800: var(--color-neutral-800);
  --color-gray-900: var(--color-neutral-900);

  /* Text colors */
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-text-light: #767676;

  /* --------------------------------------------------------------------------
     Border Colors
     -------------------------------------------------------------------------- */
  --color-border: #dddddd;
  --color-border-light: #eee;
  --color-border-dark: #ccc;

  /* --------------------------------------------------------------------------
     Component-Specific Colors
     -------------------------------------------------------------------------- */
  /* Backgrounds */
  --bg-body: var(--color-background);
  --bg-panel: var(--color-background);
  --bg-hover: var(--color-neutral-200);
  --bg-selected: var(--color-primary);
  --bg-input: var(--color-background);
  --bg-overlay: rgba(0, 0, 0, 0.5);

  /* --------------------------------------------------------------------------
     Spacing
     -------------------------------------------------------------------------- */
  --spacing-xs: 4px;
  --spacing-small: 5px;
  --spacing-base: 7.5px;
  --spacing-medium: 10px;
  --spacing-large: 15px;
  --spacing-xl: 20px;

  /* --------------------------------------------------------------------------
     Border Radius
     -------------------------------------------------------------------------- */
  --radius-small: 3px;
  --radius-base: 4px;
  --radius-medium: 5px;
  --radius-large: 8px;

  /* --------------------------------------------------------------------------
     Shadows
     -------------------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);

  /* --------------------------------------------------------------------------
     Transitions
     -------------------------------------------------------------------------- */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.3s ease-in-out;

  /* --------------------------------------------------------------------------
     Dialog overrides (light theme)
     -------------------------------------------------------------------------- */
  --dialog-bg: #ffffff;

  /* --------------------------------------------------------------------------
     Z-Index Scale
     -------------------------------------------------------------------------- */
  --z-dropdown: 100;
  --z-overlay: 1000;
  --z-modal: 2000;
  --z-tooltip: 9999;

  /* --------------------------------------------------------------------------
     Diagram Colors (Light Theme)
     -------------------------------------------------------------------------- */
  --diagram-bg: #f8f9fa;
  --diagram-node-color: #4a90d9;
  --diagram-node-stroke-color: #3a7bc8;
  --diagram-node-text-color: #ffffff;
  --diagram-edge-color: #aaaaaa;
  --diagram-font-family: var(--font-family-primary);
  --diagram-font-size: 12px;
  --diagram-tooltip-bg: #2c3e50;
  --diagram-tooltip-text: #f0f0f0;
  --diagram-legend-text: #555555;
  --diagram-bar-color: #4a90d9;
  --diagram-bar-hover-color: #357abd;
  --diagram-axis-color: #888888;
  --diagram-grid-color: #e0e0e0;
  --diagram-label-color: #555555;
  --diagram-title-color: #333333;
}

/* --------------------------------------------------------------------------
   Global Resets & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--bg-body);
  height: 100%;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

/* --------------------------------------------------------------------------
   Typography Base
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-small) 0;
  color: var(--color-text);
}

h1 { font-size: 20px; }
h2 { font-size: 18px; }
h3 { font-size: var(--font-size-title); }
h4 { font-size: var(--font-size-base); }

p {
  margin: 0 0 var(--spacing-small) 0;
}

/* --------------------------------------------------------------------------
   Links
   -------------------------------------------------------------------------- */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Form Elements Base
   -------------------------------------------------------------------------- */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
  padding: var(--spacing-xs) var(--spacing-small);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background-color: var(--bg-input);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.2rem rgba(0, 0, 128, 0.25);
}

/* --------------------------------------------------------------------------
   Button Base Styles
   -------------------------------------------------------------------------- */
button,
.btn {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  height: 32px;
  padding: 6px 12px;
  border: none;
  border-radius: var(--radius-large);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

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

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

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

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

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

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

.btn-success {
  background-color: var(--color-success);
  color: var(--color-background);
}

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

.btn-danger {
  background-color: var(--color-secondary-light);
  color: var(--color-neutral-700);
}

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

/* Delete button colors (light theme) */
.delete-panel-btn,
.delete-concept-btn,
.delete-story-btn,
.delete-idea-btn,
.delete-thought-btn,
.delete-inspiration-btn,
.delete-fact-btn,
.delete-category-btn,
.delete-memory-btn {
  background-color: #ced4da;
  color: #495057;
}

.delete-panel-btn:hover,
.delete-concept-btn:hover,
.delete-story-btn:hover,
.delete-idea-btn:hover,
.delete-thought-btn:hover,
.delete-inspiration-btn:hover,
.delete-fact-btn:hover,
.delete-category-btn:hover,
.delete-memory-btn:hover {
  background-color: #adb5bd;
}

/* Save / New button colors (light theme) */
.save-thought-btn,
.save-inspiration-btn,
.save-idea-btn,
.save-fact-btn,
.save-concept-btn,
.save-story-btn,
.save-category-btn,
.save-memory-btn,
.save-dropdown-btn,
.new-btn {
  background-color: #0369a1;
  color: #ffffff;
}

.save-thought-btn:hover,
.save-inspiration-btn:hover,
.save-idea-btn:hover,
.save-fact-btn:hover,
.save-concept-btn:hover,
.save-story-btn:hover,
.save-category-btn:hover,
.save-memory-btn:hover,
.save-dropdown-btn:hover,
.new-btn:hover {
  background-color: #025d8a;
}

/* New button icon (light theme) */
.new-btn .add-button-img {
  content: url('/img/white/Add.png');
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.text-success { color: var(--color-success-text); }
.text-danger { color: var(--color-danger-text); }
.text-warning { color: var(--color-warning-text); }
.text-info { color: var(--color-info-text); }

.bg-white { background-color: var(--color-background); }
.bg-light { background-color: var(--color-gray-100); }

.hidden { display: none; }
.visible { display: block; }

/* --------------------------------------------------------------------------
   Animation Keyframes
   -------------------------------------------------------------------------- */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}