/* ===================================
   PAGES DATABASE GENERATOR
   =================================== */
/* ===================================
   BASE.CSS
   =================================== */

/* ===================================
   BASE.CSS - Reset, Body, Typography
   =================================== */

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

*::before,
*::after {
  box-sizing: inherit;
}

/* Base Elements */
html {
  font-size: 16px;
  line-height: 1.6;
  height: 100%;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

body {
  font-family: var(--font-family-base, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold, 600);
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

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

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

/* Form Elements */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border-radius: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  border-radius: 0;
}

/* Remove default browser styling - Flat Design */
* {
  border-radius: 0 !important;
}

/* Remove all transitions for better performance */
* {
  transition: none !important;
  animation: none !important;
}

img {
  max-width: 100%;
  height: auto;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}
/* Screen-reader only content */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}


/* ===================================
   LAYOUT.CSS
   =================================== */

/* ===================================
   DATABASE GENERATOR PAGE STYLES
   =================================== */

.page-header {
  text-align: center;
  margin-bottom: 40px;
  margin-top: 40px;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.page-header h1 i {
  color: var(--accent-primary);
}

.page-header .subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===================================
   LAYOUT.CSS - Header, Footer, Grid, Section, Utilities
   =================================== */

/* ===================================
   CONTAINER
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-5);
}

/* ===================================
   GRID SYSTEM
   =================================== */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

.grid-auto { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* ===================================
   FLEXBOX LAYOUT
   =================================== */
.flex { display: flex; }

.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.flex-1 { flex: 1 1 0%; }
.flex-none { flex: none; }

.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* ===================================
   SPACING UTILITIES
   =================================== */
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

/* ===================================
   SIZING UTILITIES
   =================================== */
.w-full { width: 100%; }
.w-auto { width: auto; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }

.max-w-full { max-width: 100%; }
.max-w-none { max-width: none; }

/* ===================================
   DISPLAY UTILITIES
   =================================== */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* ===================================
   POSITION UTILITIES
   =================================== */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }

/* ===================================
   TEXT UTILITIES
   =================================== */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-xs { font-size: 12px; }
.text-sm { font-size: 14px; }
.text-base { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 30px; }
.text-4xl { font-size: 36px; }
.text-5xl { font-size: 48px; }
.text-6xl { font-size: 60px; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }

/* ===================================
   BORDER UTILITIES
   =================================== */
.border { border: 1px solid var(--border); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--border); }
.border-r { border-right: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-l { border-left: 1px solid var(--border); }

.rounded-none { border-radius: 0; }
.rounded { border-radius: 4px; }
.rounded-md { border-radius: 6px; }
.rounded-lg { border-radius: 8px; }
.rounded-xl { border-radius: 12px; }
.rounded-full { border-radius: 9999px; }

/* ===================================
   OVERFLOW UTILITIES
   =================================== */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-x-auto { overflow-x: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }
.overflow-y-hidden { overflow-y: hidden; }

/* ===================================
   OPACITY UTILITIES
   =================================== */
.opacity-0 { opacity: 0; }
.opacity-100 { opacity: 1; }

/* ===================================
   CURSOR UTILITIES
   =================================== */
.cursor-auto { cursor: auto; }
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }
.cursor-text { cursor: text; }
.cursor-help { cursor: help; }

/* Remove padding to body since footer is no longer fixed */
body {
  padding-top: var(--header-height);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ===================================
   HEADER & FOOTER
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: #ffffff;
  border-bottom: 2px solid #e5e7eb;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  position: relative;
  transition: all 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-primary);
  background: rgba(241, 140, 142, 0.1);
  transform: translateY(-1px);
}

.nav-link:active {
  transform: translateY(0);
}

.nav-link[aria-current="page"] {
  color: var(--accent-primary);
  background: rgba(241, 140, 142, 0.08);
}

.nav-link::after {
  display: none;
}

.nav-link:hover::after {
  display: none;
}

.nav-link:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* ===================================
   SECTION LAYOUTS
   =================================== */
.section {
  padding: var(--space-16) 0;
}

.section-sm {
  padding: var(--space-8) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.section-xl {
  padding: var(--space-32) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text);
  margin: 0 0 var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin: 0;
  max-width: 600px;
  margin: 0 auto;
}

.section-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ===================================
   MAIN LAYOUT
   =================================== */
main {
  flex: 1;
}


/* ===================================
   THEME.CSS
   =================================== */

/* ===================================
   THEME - RED & WHITE (with Dark Mode)
   =================================== */
:root {
  /* ===================================
     BASE PALETTE - Light Mode
     =================================== */
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --text: #000000;
  --text-muted: #666666;
  
  /* ===================================
     PRIMARY RED PALETTE
     =================================== */
  --red-50: #FFF5F3;
  --red-500: #F18C8E;  /* Primary brand color */
  --red-600: #DC2626;
  
  /* ===================================
     SEMANTIC COLORS
     =================================== */
  --primary: var(--red-500);
  --primary-hover: var(--red-600);
  --accent: var(--red-500);
  --accent-hover: var(--red-600);
  
  --success: #15803D;
  --success-hover: #166534;
  --warning: #D97706;
  --warning-hover: #B45309;
  --error: var(--red-600);
  --error-hover: var(--red-700);
  --info: #2563EB;
  --info-hover: #1D4ED8;
  
  /* ===================================
     NEUTRAL COLORS
     =================================== */
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  
  /* ===================================
     SYSTEM COLORS
     =================================== */
  --border: var(--gray-200);
  --divider: var(--gray-300);
  --hover: var(--red-50);
  --focus: var(--primary);
  --disabled: var(--gray-400);
  
  /* ===================================
     COMPONENT COLORS
     =================================== */
  --btn-primary-bg: var(--primary);
  --btn-secondary-bg: #F9FAFB;
  --btn-danger-bg: var(--error);
  
  --link: var(--primary);
  --link-hover: var(--primary-hover);
  
  /* ===================================
     OPACITY COLORS
     =================================== */
  --primary-opacity-10: rgba(232, 92, 65, 0.1);
  --primary-opacity-20: rgba(232, 92, 65, 0.2);
  --primary-opacity-30: rgba(232, 92, 65, 0.3);
  
  /* ===================================
     GRADIENTS
     =================================== */
  --gradient-primary: linear-gradient(135deg, var(--red-500) 0%, var(--red-600) 100%);
  --gradient-accent: linear-gradient(135deg, var(--red-500) 0%, #FF6B5B 100%);
  --gradient-success: linear-gradient(135deg, var(--success) 0%, var(--success-hover) 100%);
  --gradient-warning: linear-gradient(135deg, var(--warning) 0%, var(--warning-hover) 100%);
  --gradient-error: linear-gradient(135deg, var(--error) 0%, var(--error-hover) 100%);
  --gradient-surface: linear-gradient(135deg, var(--bg) 0%, var(--red-50) 100%);
  
  /* ===================================
     SHADOWS - Minimized for Performance
     =================================== */
  --shadow-xs: none;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-xl: none;
  --shadow-2xl: none;
  --shadow-inner: none;
  --shadow-colored: none;
  
  /* ===================================
     TYPOGRAPHY
     =================================== */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  --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: 1.875rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* ===================================
     SPACING
     =================================== */
  --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;
  
  /* Aliases for convenience */
  --space-xs: var(--space-1);
  --space-sm: var(--space-2);
  --space-md: var(--space-4);
  --space-lg: var(--space-6);
  --space-xl: var(--space-8);
  --space-2xl: var(--space-12);
  --space-3xl: var(--space-16);
  
  /* ===================================
     BORDER RADIUS
     =================================== */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;
  
  /* ===================================
     TRANSITIONS - Disabled for Performance
     =================================== */
  --transition-fast: 0s;
  --transition-normal: 0s;
  
  /* Status backgrounds */
  --success-bg: rgba(34, 197, 94, 0.1);
  --warning-bg: rgba(245, 158, 11, 0.1);
  --error-bg: rgba(239, 68, 68, 0.1);
  --info-bg: rgba(59, 130, 246, 0.1);
  
  /* ===================================
     Z-INDEX
     =================================== */
  --z-dropdown: 1020;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-header: 1030;
  --z-footer: 1010;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
  --z-maximum: 9999;
  
  /* ===================================
     EFFECTS
     =================================== */
  --focus-ring: 0 0 0 2px var(--primary-opacity-20);
  --header-height: 64px;
  --border-width: 1px;
  
  /* ===================================
     LEGACY MAPPINGS (for backward compatibility)
     =================================== */
  --accent-primary: var(--primary);
  --text-secondary: var(--text-muted);
  --toast-success: var(--success);
  --toast-warning: var(--warning);
  --toast-error: var(--error);
  --toast-info: var(--info);
  
  --color-primary: var(--primary);
  --color-primary-hover: var(--primary-hover);
  --color-accent: var(--accent);
  --color-accent-hover: var(--accent-hover);
  --color-success: var(--success);
  --color-success-hover: var(--success-hover);
  --color-warning: var(--warning);
  --color-warning-hover: var(--warning-hover);
  --color-error: var(--error);
  --color-error-hover: var(--error-hover);
  --color-info: var(--info);
  --color-info-hover: var(--info-hover);
  
  --bg-primary: var(--bg);
  --bg-secondary: var(--surface);
  --bg-glass: rgba(255, 255, 255, 0.95);
  --bg-overlay: var(--primary-opacity-10);
  --bg-gradient: var(--gradient-surface);
  --bg-gradient-alt: linear-gradient(135deg, var(--surface) 0%, var(--border) 100%);
  
  --text-primary: var(--text);
  --text-secondary: var(--text-muted);
  --text-inverse: #ffffff;
  --text-disabled: var(--disabled);
  
  --border-color: var(--border);
  --border-focus: var(--focus);
  --border-error: var(--error);
  --border-success: var(--success);
  --border-warning: var(--warning);
}

/* ===================================
   THEME APPLICATION
   =================================== */
body {
  color: var(--text);
}

/* Glass effect - Disabled for Performance */
.glass {
  background: rgba(255, 255, 255, 0.95);
}

.glass-light {
  background: rgba(255, 255, 255, 0.8);
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* ===================================
   SCROLLBAR - Simplified
   =================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #F3F4F6;
}

::-webkit-scrollbar-thumb {
  background: #D1D5DB;
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: #9CA3AF;
}

/* ===================================
   SCROLLBAR STABILIZER - Prevent layout shift
   =================================== */
html {
  scrollbar-gutter: stable; /* Reserve space for scrollbar */
}

/* Alternative for browsers that don't support scrollbar-gutter */
@supports not (scrollbar-gutter: stable) {
  html {
    margin-left: calc(100vw - 100%);
    margin-right: 0;
  }
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) var(--gray-100);
}


/* ===================================
   BUTTONS.CSS
   =================================== */

/* ===================================
   FLAT BUTTONS - RED PRIMARY THEME
   =================================== */

/* Base Button - Flat Design */
.btn {
  background: var(--red-500);
  color: white;
  border: none;
  border-radius: 0;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: #dc2626;
}

.btn:active {
  background: #b91c1c;
}

/* Remove all pseudo-elements and decorative effects */
.btn::before,
.btn::after {
  display: none !important;
}

.btn:hover::before,
.btn:hover::after,
.btn:active::before,
.btn:active::after {
  display: none !important;
}

/* Button States */
.btn:focus-visible {
  outline: 2px solid var(--red-500);
  outline-offset: 2px;
}

.btn:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Button Variants - Flat Design */
.btn-secondary {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.btn-secondary:hover {
  background: var(--red-500);
  color: white;
  border-color: var(--red-500);
}

.btn-tertiary {
  background: transparent;
  color: var(--red-500);
  border: 2px solid var(--red-500);
}

.btn-tertiary:hover {
  background: var(--red-500);
  color: white;
}

/* Size Variants */
.btn-small {
  padding: 8px 16px;
  font-size: 13px;
  min-height: 32px;
  border-radius: 0;
}

.btn-large {
  padding: 14px 28px;
  font-size: 16px;
  min-height: 48px;
  border-radius: 0;
}

/* Icon Button */
.btn-icon {
  padding: 10px;
  min-height: 40px;
  min-width: 40px;
  border-radius: 0;
}

.btn-icon.btn-small {
  padding: 8px;
  min-height: 32px;
  min-width: 32px;
}

.btn-icon.btn-large {
  padding: 14px;
  min-height: 48px;
  min-width: 48px;
}

/* Specific Button Overrides - Flat Design */
.content .buttons .btn {
  background: var(--red-500);
  color: white;
  border: none;
  border-radius: 0;
  padding: 12px 24px;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

.content .buttons .btn:hover {
  background: #dc2626;
}

.content-actions .btn {
  background: var(--red-500);
  color: white;
  border: none;
  border-radius: 0;
  padding: 12px 24px;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

.content-actions .btn:hover {
  background: #dc2626;
}

/* Button Icon Styling */
.btn i {
  font-size: 16px;
}

/* ===================================
   SIDEBAR - FLAT DESIGN
   =================================== */

/* Sidebar Container */
.sidebar {
  flex: 0 1 auto;
  width: auto;
  min-width: 200px;
  max-width: 500px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Sidebar Header - Flat Design */
.sidebar-header {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  height: 48px;
  align-items: center;
}

.sidebar-header .btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  border-radius: 0;
  background: var(--red-500);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  height: 32px;
  position: relative;
  overflow: hidden;
  min-width: 0;
  flex: 1;
}

.sidebar-header .btn i {
  font-size: 14px;
}

.sidebar-header .btn span {
  display: none;
}

.sidebar-header .btn:hover {
  background: #dc2626;
  color: white;
}

.sidebar-header .btn:active {
  background: #b91c1c;
}

.sidebar-header .btn.secondary {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.sidebar-header .btn.secondary:hover {
  background: var(--red-500);
  color: white;
  border-color: var(--red-500);
}

/* Sidebar Body */
.sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

/* Sidebar Search - Flat Design */
.sidebar-search {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.sidebar-search input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-family-base);
  outline: none;
  border-radius: 0;
}

.sidebar-search input:focus {
  border-color: var(--red-500);
  background: var(--surface);
}

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

/* File Tree - Flat Design */
.file-tree {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  user-select: none;
  line-height: 1.5;
}

/* Tree Container */
.file-tree ul.tree {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Folder Structure */
.file-tree .folder {
  position: relative;
  cursor: pointer;
}

.file-tree .folder > .label {
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border: 1px solid transparent;
}

.file-tree .folder > .label::before {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-right: var(--space-1);
  font-size: 8px;
  transition: transform 0.2s ease;
}

.file-tree .folder.open > .label::before {
  transform: rotate(90deg);
}

.file-tree .folder > .label:hover {
  background: var(--bg-secondary);
}

/* Folder Children */
.file-tree .folder > ul {
  margin-left: var(--space-4);
  border-left: 1px solid var(--border);
  padding-left: var(--space-3);
  margin-top: var(--space-1);
  display: none;
}

.file-tree .folder.open > ul {
  display: block;
}

/* File Items */
.file-tree .file {
  cursor: pointer;
}

.file-tree .file > .label {
  display: flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  color: var(--text-muted);
  border: 1px solid transparent;
}

/* Common Hover States */
.file-tree .folder > .label:hover,
.file-tree .file > .label:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

/* Active State */
.file-tree .file.selected > .label {
  background: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
  font-weight: 500;
}

/* File Type Colors */
.file-tree .file[data-ext="html"] > .label { color: var(--accent-primary); }
.file-tree .file[data-ext="css"] > .label { color: var(--success); }
.file-tree .file[data-ext="js"] > .label { color: var(--warning); }
.file-tree .file[data-ext="json"] > .label { color: var(--info); }
.file-tree .file[data-ext="md"] > .label { color: var(--text-muted); }

/* Empty State */
.file-tree-empty {
  padding: var(--space-4);
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
}

/* Loading State */
.file-tree-loading {
  padding: var(--space-4);
  text-align: center;
  color: var(--text-muted);
}

/* Resize Handle - Flat Design */
.resize-handle {
  width: 2px;
  background: var(--border);
  cursor: col-resize;
  position: relative;
}

.resize-handle:hover {
  background: var(--accent-primary);
}

.resize-handle:active {
  background: var(--accent-hover);
}

/* Scrollbar Styling - Flat Design */
.sidebar-body::-webkit-scrollbar {
  width: 8px;
}

.sidebar-body::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.sidebar-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 0;
}

.sidebar-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}


/* ===================================
   CARDS.CSS
   =================================== */

/* ===================================
   CARD COMPONENTS
   =================================== */
.card {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--accent-primary);
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  margin: 0 0 var(--space-2);
  line-height: var(--line-height-tight);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: var(--line-height-normal);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Card Variants */
.card-interactive {
  cursor: pointer;
}

.card-bordered {
  border: 2px solid var(--border);
}

.card-bordered:hover {
  border-color: var(--accent-primary);
}

.card-outlined {
  border: 1px solid var(--divider);
  background: transparent;
}

.card-outlined:hover {
  background: var(--surface);
  border-color: var(--border);
}

/* Card Sizes */
.card-sm {
  padding: var(--space-4);
}

.card-sm .card-title {
  font-size: var(--font-size-lg);
}

.card-lg {
  padding: var(--space-8);
}

.card-lg .card-title {
  font-size: var(--font-size-2xl);
}

.card-xl {
  padding: var(--space-10);
}

.card-xl .card-title {
  font-size: var(--font-size-3xl);
}

/* Card States */
.card-loading {
  opacity: 0.6;
  pointer-events: none;
}

.card-loading::after {
  display: none;
}


.card-error {
  border-color: var(--btn-danger-bg);
  background: rgba(220, 38, 38, 0.05);
}

.card-success {
  border-color: var(--toast-success);
  background: rgba(22, 163, 74, 0.05);
}

.card-warning {
  border-color: var(--toast-warning);
  background: rgba(245, 158, 11, 0.05);
}

.card-info {
  border-color: var(--toast-info);
  background: rgba(37, 99, 235, 0.05);
}

/* Card Actions */
.card-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.card-actions-right {
  margin-left: auto;
}

.card-actions-vertical {
  flex-direction: column;
  align-items: stretch;
}

.card-actions-vertical .btn {
  justify-content: center;
}


/* ===================================
   FORMS.CSS
   =================================== */

/* ===================================
   FORM COMPONENTS
   =================================== */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-end;
}

.form-row .form-group {
  flex: 1;
}

.form-inline {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.form-inline .form-group {
  flex: 1;
  min-width: 200px;
}

/* Form Labels */
.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text);
  line-height: var(--line-height-normal);
  display: block;
}

.form-label.required::after {
  content: ' *';
  color: var(--btn-danger-bg);
}

.form-label-description {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-normal);
  margin-top: var(--space-1);
}

/* Form Inputs - Flat Design */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid #E9ECEF;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--text);
  background: #FFFFFF;
  outline: none;
  border-radius: 0;
  box-shadow: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--accent-primary);
  box-shadow: none;
}

.form-input:hover:not(:focus) {
  border-color: var(--divider);
}

.form-input:disabled {
  background: var(--bg);
  color: var(--disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-input:invalid {
  border-color: var(--accent-primary);
}

.form-input.success {
  border-color: #15803D;
}

/* Input Sizes */
.form-input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

.form-input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-base);
}

/* Textarea - Flat Design */
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid #E9ECEF;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--text);
  background: #FFFFFF;
  transition: border-color 0.15s ease;
  outline: none;
  resize: vertical;
  min-height: 100px;
  border-radius: 0;
  box-shadow: none;
}

.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: none;
}

.form-textarea:hover:not(:focus) {
  border-color: var(--divider);
}

.form-textarea:disabled {
  background: var(--bg);
  color: var(--disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Select - Flat Design */
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid #E9ECEF;
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  color: var(--text);
  background: #FFFFFF;
  transition: border-color 0.15s ease;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: calc(var(--space-4) + 16px);
  border-radius: 0;
  box-shadow: none;
}

.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: none;
}

.form-select:hover:not(:focus) {
  border-color: var(--divider);
}

.form-select:disabled {
  background: var(--bg);
  color: var(--disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Checkbox & Radio - Flat Design */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  position: relative;
}

.form-checkbox input,
.form-radio input {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s ease;
  appearance: none;
  position: relative;
  margin: 0;
  border-radius: 0;
}

.form-checkbox input:checked {
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
}

.form-checkbox input:checked::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #FFFFFF;
  font-size: 10px;
}

.form-radio input:checked {
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
}

.form-radio input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: #FFFFFF;
}

.form-checkbox input:focus,
.form-radio input:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.form-checkbox input:disabled,
.form-radio input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Switch */
.form-switch {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-switch input {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--border);
  cursor: pointer;
  transition: background-color 0.15s ease;
  appearance: none;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
}

.form-switch input::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #FFFFFF;
  transition: transform 0.15s ease;
  box-shadow: none;
}

.form-switch input:checked {
  background: var(--btn-primary-bg);
}

.form-switch input:checked::after {
  transform: translateX(20px);
}

.form-switch input:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.form-switch input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Form Help Text */
.form-help {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
  line-height: var(--line-height-normal);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--btn-danger-bg);
  margin-top: var(--space-1);
  line-height: var(--line-height-normal);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-success {
  font-size: var(--font-size-xs);
  color: var(--toast-success);
  margin-top: var(--space-1);
  line-height: var(--line-height-normal);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.form-actions-right {
  margin-left: auto;
}

.form-actions-center {
  justify-content: center;
}

.form-actions-stacked {
  flex-direction: column;
  gap: var(--space-3);
}


/* ===================================
   NOTIFICATIONS.CSS
   =================================== */

/* ===================================
   TOAST NOTIFICATIONS - Disabled for performance
   =================================== */
.toast-container {
  position: fixed;
  top: calc(56px + var(--space-4));
  right: var(--space-4);
  z-index: var(--z-toast);
  display: none; /* Hide all toasts by default */
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

/* Only show button-related toasts */
.toast-container.button-toast {
  display: flex;
}

.toast {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 0;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
}


.toast.success {
  border-left: 4px solid var(--toast-success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast.info {
  border-left: 4px solid var(--info);
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast.success .toast-icon {
  color: var(--toast-success);
}

.toast.error .toast-icon {
  color: var(--error);
}

.toast.warning .toast-icon {
  color: var(--warning);
}

.toast.info .toast-icon {
  color: var(--info);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: 0;
}

.toast-close:hover {
  color: var(--text);
  background: var(--bg-secondary);
}


/* ===================================
   ANIMATIONS.CSS
   =================================== */

/* ===================================
   ANIMATION COMPONENTS - DISABLED FOR PERFORMANCE
   =================================== */

/* All animations disabled for better performance on low-spec devices */
.loading-shimmer,
.shimmer-effect,
.spin-animation,
.fade-in,
.fade-out,
.slide-in,
.slide-up,
.fade-in-up {
  animation: none !important;
}


/* ===================================
   UTILITIES.CSS
   =================================== */

/* ===================================
   UTILITY COMPONENTS
   =================================== */

/* Focus Indicators */
.focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--accent);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: var(--z-tooltip);
}

.skip-link:focus {
  top: 6px;
}

/* Transitions - Disabled for Performance */
.fade-in,
.fade-out,
.slide-up {
  animation: none !important;
}

/* Skeleton Loading - Simplified */
.skeleton {
  background: #f0f0f0;
}

/* Ripple Effect - Disabled for Performance */
.ripple::before {
  display: none;
}


/* ===================================
   PAGES DATABASE GENERATOR
   =================================== */

/* ===================================
   PAGES-DATABASE-GENERATOR.CSS - Enhanced Flat UI/UX Design
   =================================== */

/* ===================================
   PAGE LAYOUT
   =================================== */
.page {
  background: #fafafa;
  color: #1a1a1a;
}

main.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
  min-height: calc(100vh - 128px);
}

/* ===================================
   FORM GRID
   =================================== */
.form-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ===================================
   PANEL DESIGN - Enhanced Flat Style
   =================================== */
.panel {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all 0.2s ease;
}

.panel:hover {
  border-color: #d0d0d0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Panel Header - Better Layout */
.panel-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.panel-header > div:last-child {
  margin-left: 0;
  margin-top: 0.5rem;
}

.panel-header > div:last-child .btn {
  margin-top: 0;
}

/* KRHRED Section */
.krhred-section {
  margin-top: 0.5rem;
}

.krhred-section .panel-row {
  margin-bottom: 0;
}

.krhred-section .panel-field {
  display: flex;
  flex-direction: column;
}

.krhred-section .form-hint {
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* Input Button Group */
.input-button-group {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.input-button-group .form-input {
  flex: 1;
}

.input-button-group .btn {
  flex-shrink: 0;
  margin-top: 0;
  height: 48px;
}

/* Panel Row - Fixed Alignment */
.panel-row {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.panel-field {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.panel-row .btn {
  align-self: flex-end;
  height: 48px;
  margin-top: 0;
  flex-shrink: 0;
}

/* ===================================
   FORM ELEMENTS - Enhanced Flat Design
   =================================== */
.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-label-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #F18C8E;
}

/* Campaign Type Selector */
.campaign-type-selector {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem 1.5rem;
  border: 2px solid #e0e0e0;
  background: #ffffff;
  transition: all 0.2s ease;
  flex: 1;
  position: relative;
}

.radio-option:hover {
  border-color: #d0d0d0;
  background: #fafafa;
}

.radio-option input[type="radio"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid #e0e0e0;
  background: #ffffff;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 0;
}

.radio-option input[type="radio"]:checked {
  background: #F18C8E;
  border-color: #F18C8E;
}

.radio-option input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: #ffffff;
}

.radio-option:has(input:checked) {
  border-color: #F18C8E;
  background: #fafafa;
}

.radio-label {
  font-weight: 600;
  color: #1a1a1a;
  font-size: 0.95rem;
}

.radio-hint {
  font-size: 0.8rem;
  color: #666666;
  margin-left: auto;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #e0e0e0;
  background: #ffffff;
  color: #1a1a1a;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border-radius: 0;
  height: 48px;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: #F18C8E;
  background: #fafafa;
}

.form-input:hover:not(:focus) {
  border-color: #d0d0d0;
}

.form-hint {
  font-size: 0.8rem;
  color: #666666;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.font-mono {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  background: #f0f0f0;
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
  font-size: 0.85em;
}

/* ===================================
   BUTTONS - Enhanced Flat Design
   =================================== */
.btn {
  padding: 0.875rem 1.75rem;
  border: none;
  background: #F18C8E;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: #e67375;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:active {
  background: #dc2626;
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid #F18C8E;
  outline-offset: 2px;
}

.btn:disabled {
  background: #e5e7eb;
  color: #9ca3af;
  cursor: not-allowed;
  opacity: 1;
}

/* Button Variants */
.btn.primary {
  background: #F18C8E;
}

.btn.primary:hover {
  background: #e67375;
}

.btn.success {
  background: #10b981;
}

.btn.success:hover {
  background: #059669;
}

.btn.secondary {
  background: #ffffff;
  color: #666666;
  border: 2px solid #e0e0e0;
}

.btn.secondary:hover {
  background: #F18C8E;
  color: #ffffff;
  border-color: #F18C8E;
}

/* ===================================
   BULK BOX - Enhanced Flat Design
   =================================== */
.bulk-box {
  background: #f8f8f8;
  border: 2px solid #e0e0e0;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.bulk-box textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  background: #ffffff;
  color: #1a1a1a;
  font-size: 0.9rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  resize: vertical;
  min-height: 120px;
  border-radius: 0;
  outline: none;
  transition: all 0.2s ease;
}

.bulk-box textarea:focus {
  border-color: #F18C8E;
  background: #fafafa;
}

.bulk-box .flex {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.bulk-box button {
  padding: 0.5rem 1rem;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 0;
  font-size: 0.9rem;
  min-height: 40px;
}

.bulk-box button:first-child {
  background: #10b981;
  color: #ffffff;
}

.bulk-box button:first-child:hover {
  background: #059669;
}

.bulk-box button:last-child {
  background: #666666;
  color: #ffffff;
}

.bulk-box button:last-child:hover {
  background: #4b5563;
}

#bulkInfo {
  font-size: 0.75rem;
  color: #666666;
  margin-top: 0.5rem;
}

/* ===================================
   TABLE DESIGN - Enhanced Flat Style
   =================================== */
.overflow-auto {
  overflow: auto;
  border: 1px solid #e0e0e0;
  background: #ffffff;
  border-radius: 0;
  max-height: 500px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  text-align: left;
  padding: 1rem;
  background: #f8f8f8;
  border-bottom: 2px solid #e0e0e0;
  font-weight: 600;
  color: #1a1a1a;
  position: sticky;
  top: 0;
  z-index: 10;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

thead th:first-child {
  position: sticky;
  left: 0;
  background: #f8f8f8;
  z-index: 11;
  min-width: 300px;
}

/* KRHRED Header Styles */
.krhred-header {
  min-width: 150px;
  animation: slideIn 0.3s ease;
}

.krhred-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.krhred-key {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  color: #374151;
  font-weight: 600;
}

.krhred-remove-btn {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  transition: all 0.2s ease;
}

.krhred-remove-btn:hover {
  color: #ef4444;
  background: #fee2e2;
}

/* Email Column Styles */
.email-column {
  position: sticky;
  left: 0;
  background: #ffffff;
  z-index: 5;
  border-right: 2px solid #e0e0e0;
  padding: 0.75rem;
  min-width: 300px;
}

.email-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.email-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid #e0e0e0;
  background: #ffffff;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  outline: none;
}

.email-input:focus {
  border-color: #F18C8E;
  background: #fafafa;
}

.email-remove-btn {
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.email-remove-btn:hover {
  color: #ef4444;
  background: #fee2e2;
}

/* KRHRED Column Styles */
.krhred-column {
  padding: 0.75rem;
  border-bottom: 1px solid #f0f0f0;
  min-width: 150px;
}

.krhred-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #e0e0e0;
  background: #ffffff;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  outline: none;
}

.krhred-input:focus {
  border-color: #F18C8E;
  background: #fafafa;
}

.krhred-input:placeholder-shown {
  color: #9ca3af;
  font-style: italic;
}

/* Table Row Styles */
tbody tr {
  transition: background-color 0.2s ease;
}

tbody tr:hover {
  background: #fafafa;
}

tbody tr:hover .email-column {
  background: #fafafa;
}

/* Empty State */
.table-empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #9ca3af;
}

.table-empty-state i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.table-empty-state p {
  font-size: 0.9rem;
  margin: 0;
}

/* Table Tips */
.table-tips {
  margin-top: 1rem;
  padding: 1rem;
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 0;
}

.table-tips h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.table-tips ul {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.8rem;
  color: #666666;
}

.table-tips li {
  margin-bottom: 0.25rem;
}

/* ===================================
   INFO DISPLAY - Enhanced
   =================================== */
.text-xs {
  font-size: 0.8rem;
}

.text-slate-400 {
  color: #999999;
}

.text-rose-400 {
  color: #ef4444;
}

.flex.items-center {
  display: flex;
  align-items: center;
}

.gap-3 {
  gap: 0.75rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mt-3 {
  margin-top: 0.75rem;
}

.hidden {
  display: none;
}

/* Status indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: #f0f0f0;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-indicator.success {
  background: #d1fae5;
  color: #065f46;
}

.status-indicator.error {
  background: #fee2e2;
  color: #991b1b;
}

/* ===================================
   ACTION BUTTONS
   =================================== */
.flex.flex-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.bg-indigo-600 {
  background: #4f46e5;
}

.bg-indigo-600:hover {
  background: #4338ca;
}

.bg-emerald-600 {
  background: #059669;
}

.bg-emerald-600:hover {
  background: #047857;
}

.disabled\:opacity-40:disabled {
  opacity: 0.4;
}

.shadow {
  box-shadow: none;
}

/* ===================================
   ERROR MESSAGE
   =================================== */
#error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

#error.hidden {
  display: none;
}

/* ===================================
   PREVIEW SECTION - Enhanced Design
   =================================== */
#previews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.preview-card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 0;
  overflow: hidden;
  transition: all 0.2s ease;
}

.preview-card:hover {
  border-color: #d0d0d0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: #f8f9fa;
  border-bottom: 1px solid #e0e0e0;
}

.preview-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: #1a1a1a;
  font-size: 0.95rem;
}

.preview-title i {
  color: #F18C8E;
  font-size: 1rem;
}

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

.preview-lines,
.preview-size {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  background: #e5e7eb;
  color: #374151;
  font-weight: 500;
}

.preview-content {
  padding: 1rem;
  max-height: 300px;
  overflow: auto;
}

.preview-content pre {
  margin: 0;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #374151;
  white-space: pre-wrap;
  word-break: break-all;
}

.preview-notice {
  padding: 0.75rem 1.25rem;
  background: #f0f9ff;
  border-top: 1px solid #e0e7ff;
  font-size: 0.8rem;
  color: #4338ca;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-notice i {
  color: #6366f1;
}

/* Preview scrollbar */
.preview-content::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.preview-content::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.preview-content::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 0;
}

.preview-content::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* ===================================
   DOWNLOAD SECTION
   =================================== */
#dlSection {
  margin-top: 1rem;
}

#dlSection.hidden {
  display: none;
}

#dlSection h3 {
  font-size: 0.875rem;
  color: #d1d5db;
  margin-bottom: 0.5rem;
}

#downloadsList {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ===================================
   FOOTER - Enhanced
   =================================== */
footer {
  margin-top: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid #e0e0e0;
  background: #ffffff;
}

footer p {
  font-size: 0.8rem;
  color: #666666;
  line-height: 1.5;
}

footer em {
  font-style: normal;
  background: #f0f0f0;
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
}

/* ===================================
   ENHANCEMENTS
   =================================== */

/* Loading states */
.loading {
  position: relative;
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #f3f3f3;
  border-top: 2px solid #F18C8E;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Table Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

tbody tr {
  animation: fadeIn 0.3s ease;
}

/* Focus animations */
.email-input:focus,
.krhred-input:focus {
  animation: pulse 0.3s ease;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(241, 140, 142, 0.4);
  }
  70% {
    box-shadow: 0 0 0 4px rgba(241, 140, 142, 0.1);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(241, 140, 142, 0);
  }
}

/* Success message */
.success-message {
  padding: 1rem;
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
  margin-bottom: 1rem;
  font-weight: 500;
  animation: slideDown 0.3s ease;
}

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

/* Error message */
.error-message {
  padding: 1rem;
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  margin-bottom: 1rem;
  font-weight: 500;
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: #999999;
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #666666;
}

.empty-state p {
  font-size: 0.9rem;
  color: #999999;
}

/* KRHRED Badge Animation */
.krhred-key {
  position: relative;
}

.krhred-key::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #F18C8E;
  transition: width 0.3s ease;
}

.krhred-header:hover .krhred-key::after {
  width: 100%;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
  .panel-row {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-col {
    width: 100%;
  }

  #previews {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 1.5rem;
  }
  
  .form-input {
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  .campaign-type-selector {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .radio-option {
    padding: 0.875rem 1rem;
  }
  
  .radio-hint {
    margin-left: 0;
    margin-top: 0.25rem;
  }
}