/* ----------------------------------------------------
   RezanToolbox Custom Design System & Core Stylesheet
   ---------------------------------------------------- */

:root {
  /* Color Palettes - Dark Mode Default */
  --bg-primary: #0f172a;        /* slate-900 */
  --bg-secondary: #1e293b;      /* slate-800 */
  --bg-tertiary: #0f172a;
  --bg-footer: #0b0f19;
  --border-color: #334155;      /* slate-700 */
  --border-light: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;      /* slate-50 */
  --text-secondary: #94a3b8;    /* slate-400 */
  --text-muted: #64748b;        /* slate-500 */
  
  /* Category Accent Colors */
  --color-text-accent: #a78bfa;     /* Violet-400 */
  --color-image-accent: #34d399;    /* Emerald-400 */
  --color-color-accent: #fbbf24;    /* Amber-400 */
  --color-developer-accent: #38bdf8; /* Sky-400 */
  
  --color-text-rgb: 167, 139, 250;
  --color-image-rgb: 52, 211, 153;
  --color-color-rgb: 251, 191, 36;
  --color-developer-rgb: 56, 189, 248;
  
  /* Shared variables */
  --accent-color: var(--color-text-accent);
  --accent-color-rgb: var(--color-text-rgb);
  --glass-bg: rgba(30, 41, 59, 0.6);
  --input-bg: #1e293b;
  --input-focus-border: #8b5cf6;
  --glow-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
  --box-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
}

/* Light Theme Overrides */
[data-theme="light"] {
  --bg-primary: #f8fafc;        /* slate-50 */
  --bg-secondary: #ffffff;      /* white */
  --bg-tertiary: #f1f5f9;       /* slate-100 */
  --bg-footer: #f8fafc;
  --border-color: #cbd5e1;      /* slate-300 */
  --border-light: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;      /* slate-900 */
  --text-secondary: #475569;    /* slate-600 */
  --text-muted: #64748b;        /* slate-500 */
  
  --color-text-accent: #7c3aed;     /* Violet-600 */
  --color-image-accent: #059669;    /* Emerald-600 */
  --color-color-accent: #d97706;    /* Amber-600 */
  --color-developer-accent: #0ea5e9; /* Sky-600 */
  
  --color-text-rgb: 124, 58, 237;
  --color-image-rgb: 5, 150, 105;
  --color-color-rgb: 217, 119, 6;
  --color-developer-rgb: 14, 165, 233;
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --input-bg: #ffffff;
  --input-focus-border: #7c3aed;
  --glow-shadow: 0 0 20px rgba(124, 58, 237, 0.08);
}

/* ----------------------------------------------------
   Category Theme Class Modifiers
   ---------------------------------------------------- */
body.category-text {
  --accent-color: var(--color-text-accent);
  --accent-color-rgb: var(--color-text-rgb);
  --input-focus-border: var(--color-text-accent);
  --glow-shadow: 0 0 20px rgba(var(--color-text-rgb), 0.15);
}

body.category-image {
  --accent-color: var(--color-image-accent);
  --accent-color-rgb: var(--color-image-rgb);
  --input-focus-border: var(--color-image-accent);
  --glow-shadow: 0 0 20px rgba(var(--color-image-rgb), 0.15);
}

body.category-color {
  --accent-color: var(--color-color-accent);
  --accent-color-rgb: var(--color-color-rgb);
  --input-focus-border: var(--color-color-accent);
  --glow-shadow: 0 0 20px rgba(var(--color-color-rgb), 0.15);
}

body.category-developer {
  --accent-color: var(--color-developer-accent);
  --accent-color-rgb: var(--color-developer-rgb);
  --input-focus-border: var(--color-developer-accent);
  --glow-shadow: 0 0 20px rgba(var(--color-developer-rgb), 0.15);
}

/* ----------------------------------------------------
   General Page Styling
   ---------------------------------------------------- */
body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6, .brand-text {
  font-family: 'Outfit', sans-serif;
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-md { font-size: 1rem; }

.text-primary-theme { color: var(--text-primary) !important; }
.text-secondary-theme { color: var(--text-secondary) !important; }
.border-color { border-color: var(--border-color) !important; }

/* Gradients and Colors */
.text-gradient-text {
  background: linear-gradient(135deg, #c084fc 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-image {
  background: linear-gradient(135deg, #34d399 0%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gradient-color {
  background: linear-gradient(135deg, #f59e0b 0%, #fb7185 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg-success-glow {
  background-color: rgba(16, 185, 129, 0.1);
}
.bg-info-glow {
  background-color: rgba(56, 189, 248, 0.12);
}

/* Navbar */
.navbar {
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: var(--border-color) !important;
  z-index: 1020;
}
.brand-icon {
  background: linear-gradient(135deg, #8b5cf6 0%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.5rem;
}
.brand-text {
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.brand-highlight {
  color: var(--accent-color);
  transition: color 0.3s ease;
}
.navbar-nav .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
  color: var(--text-primary);
}

/* Search Wrapper & Shortcut */
.search-wrapper {
  position: relative;
}
.search-input {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 20px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}
.search-input:focus {
  background-color: var(--bg-secondary);
  border-color: var(--input-focus-border);
  box-shadow: 0 0 10px rgba(var(--accent-color-rgb), 0.15);
  color: var(--text-primary);
}
.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
}
.search-shortcut {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-family: monospace;
  pointer-events: none;
  border: 1px solid var(--border-light);
}

/* Autocomplete Search Dropdown */
.search-results-dropdown {
  position: absolute;
  top: 110%;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border-color: var(--border-color) !important;
  max-height: 350px;
  overflow-y: auto;
  z-index: 1050;
  border-radius: 12px;
}
.search-item {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  text-decoration: none;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s ease;
}
.search-item:last-child {
  border-bottom: none;
}
.search-item:hover, .search-item.active {
  background-color: rgba(var(--accent-color-rgb), 0.1);
  color: var(--text-primary);
}
.search-item i {
  width: 25px;
  text-align: center;
  font-size: 1rem;
  margin-right: 12px;
}
.search-item .search-item-info {
  display: flex;
  flex-direction: column;
}
.search-item .search-item-name {
  font-size: 0.9rem;
  font-weight: 600;
}
.search-item .search-item-cat {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.btn-theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent-color);
  box-shadow: var(--glow-shadow);
}

/* ----------------------------------------------------
   Sidebars and Tool Layouts
   ---------------------------------------------------- */
.sidebar-wrapper {
  position: sticky;
  top: 85px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 8px;
}
.sidebar-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 12px;
}
.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.sidebar-link i {
  width: 20px;
  margin-right: 8px;
  font-size: 0.9rem;
  text-align: center;
}
.sidebar-link:hover {
  background-color: rgba(var(--accent-color-rgb), 0.05);
  color: var(--text-primary);
}
.sidebar-link.active {
  background-color: rgba(var(--accent-color-rgb), 0.12);
  color: var(--text-primary);
  border-color: rgba(var(--accent-color-rgb), 0.15);
  font-weight: 600;
}

/* ----------------------------------------------------
   Glassmorphism Cards and Design Details
   ---------------------------------------------------- */
.glass-card {
  background-color: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-light) !important;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* Home Card Styles */
.tool-grid-card {
  border-radius: 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.tool-grid-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-color);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.tool-grid-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-color-rgb), 0.25) !important;
  box-shadow: var(--box-shadow-lg), var(--glow-shadow);
}
.tool-grid-card:hover::before {
  opacity: 1;
}

.tool-icon-wrapper {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background-color: rgba(var(--accent-color-rgb), 0.1);
  color: var(--accent-color);
  margin-bottom: 16px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ----------------------------------------------------
   Core UI Elements & Buttons
   ---------------------------------------------------- */
.btn-primary-theme {
  background-color: var(--accent-color);
  color: #ffffff !important;
  border: 1px solid transparent;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.btn-primary-theme:hover {
  background-color: rgba(var(--accent-color-rgb), 0.85);
  box-shadow: var(--glow-shadow);
}

.btn-secondary-theme {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary) !important;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 8px;
  transition: all 0.3s ease;
}
.btn-secondary-theme:hover {
  background-color: var(--bg-primary);
  border-color: var(--text-muted);
}

.form-control, .form-select {
  background-color: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-primary);
  border-radius: 8px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
  background-color: var(--bg-primary);
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px rgba(var(--accent-color-rgb), 0.15);
  color: var(--text-primary);
}

textarea.tool-textarea {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  resize: vertical;
}

textarea.code-textarea {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875rem;
}

/* Accordions */
.accordion-item {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}
.accordion-button {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
  background-color: rgba(var(--accent-color-rgb), 0.05);
  color: var(--accent-color);
}
.accordion-button::after {
  filter: invert(var(--theme-invert, 1));
}
.accordion-body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
}

/* Breadcrumbs */
.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}
.breadcrumb-item a:hover {
  color: var(--accent-color);
}
.breadcrumb-item.active {
  color: var(--text-primary);
  font-size: 0.85rem;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Quick Tool Stats CSS */
.stats-badge-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.stats-badge {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}
.stats-badge .badge-val {
  font-weight: 700;
  color: var(--text-primary);
}

/* File Drop Zone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  background-color: rgba(var(--accent-color-rgb), 0.02);
  cursor: pointer;
  transition: all 0.3s ease;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-color);
  background-color: rgba(var(--accent-color-rgb), 0.06);
}

/* Footer Section */
.footer {
  background-color: var(--bg-footer);
  border-top-color: var(--border-color) !important;
  color: var(--text-secondary);
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  line-height: 2;
}
.footer-links a:hover {
  color: var(--accent-color);
}
.social-link {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.social-link:hover {
  color: var(--accent-color);
}

/* ----------------------------------------------------
   Micro-animations and Page Load Effects
   ---------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* ----------------------------------------------------
   Category Hues for light mode / text inverting
   ---------------------------------------------------- */
[data-theme="light"] {
  --theme-invert: 0;
}

/* ----------------------------------------------------
   Interactive Canvas / Output Previews
   ---------------------------------------------------- */
.canvas-preview-container {
  background-image: radial-gradient(var(--border-color) 1px, transparent 0);
  background-size: 20px 20px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  min-height: 250px;
  max-height: 500px;
}
.canvas-preview-container canvas {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  box-shadow: var(--box-shadow-md);
}

.diff-view-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
ins {
  background-color: rgba(16, 185, 129, 0.2);
  text-decoration: none;
  border-left: 3px solid #10b981;
  padding-left: 3px;
}
del {
  background-color: rgba(239, 68, 68, 0.2);
  text-decoration: none;
  border-left: 3px solid #ef4444;
  padding-left: 3px;
}

/* ----------------------------------------------------
   Category Color Utilities
   ---------------------------------------------------- */
.text-violet { color: var(--color-text-accent) !important; }
.text-emerald { color: var(--color-image-accent) !important; }
.text-amber { color: var(--color-color-accent) !important; }
.text-info { color: var(--color-developer-accent) !important; }

.bg-violet-glow { background-color: rgba(var(--color-text-rgb), 0.12) !important; }
.bg-emerald-glow { background-color: rgba(var(--color-image-rgb), 0.12) !important; }
.bg-amber-glow { background-color: rgba(var(--color-color-rgb), 0.12) !important; }
.bg-info-glow { background-color: rgba(var(--color-developer-rgb), 0.12) !important; }
.bg-success-glow { background-color: rgba(16, 185, 129, 0.12) !important; }

.border-violet { border-color: rgba(var(--color-text-rgb), 0.35) !important; }
.border-emerald { border-color: rgba(var(--color-image-rgb), 0.35) !important; }
.border-amber { border-color: rgba(var(--color-color-rgb), 0.35) !important; }
.border-info { border-color: rgba(var(--color-developer-rgb), 0.35) !important; }

.text-gradient-text {
  background: linear-gradient(135deg, var(--color-text-accent), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-image {
  background: linear-gradient(135deg, var(--color-image-accent), #6ee7b7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-gradient-color {
  background: linear-gradient(135deg, var(--color-color-accent), #fcd34d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.color-text .recent-icon-wrapper i,
.recent-icon-wrapper.color-text i { color: var(--color-text-accent); }
.color-image .recent-icon-wrapper i,
.recent-icon-wrapper.color-image i { color: var(--color-image-accent); }
.color-color .recent-icon-wrapper i,
.recent-icon-wrapper.color-color i { color: var(--color-color-accent); }
.color-developer .recent-icon-wrapper i,
.recent-icon-wrapper.color-developer i { color: var(--color-developer-accent); }

.recent-tool-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.recent-tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-shadow);
}
.recent-icon-wrapper {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(var(--accent-color-rgb), 0.08);
  font-size: 1.1rem;
}

.tool-page-header h1 {
  line-height: 1.2;
}

.hero-section {
  position: relative;
}

.category-block {
  scroll-margin-top: 90px;
}