/**
 * ============================================================================
 * SPA Portal CSS - Portal Theme & Common Styles
 * ============================================================================
 *
 * Architecture: BEM + OOCSS + SMACSS
 * Approach: Component Presets (NO Tailwind utility classes)
 * Theme: Dark Mode Support
 * Typography: Pretendard (base), Nanum Gothic (headings), IBM Plex Sans (titles)
 * Base Size: Desktop 12px (0.75rem), Mobile 16px (1rem)
 *
 * Includes:
 * - CSS Variables & Theme System
 * - Reset & Base Styles
 * - Typography System
 * - Layout System (Frameset, Grid, Flex)
 * - Component Presets (Panel, Card, Form, Button, etc.)
 * - Modal, Toast, Loader Components (Portal UI)
 * - Utility Classes
 *
 * Version: 1.0.0
 * Date: 2025-11-15
 * ============================================================================
 */


/* ============================================================================
 * 1. CSS VARIABLES & THEME SYSTEM
 * ============================================================================ */

:root {
  /* === Color Palette - Light Theme (Default) === */

  /* Primary Colors (from PLAS logo) */
  --color-primary: #1976D2;
  --color-primary-light: #42A5F5;
  --color-primary-dark: #0D47A1;
  --color-primary-rgb: 25, 118, 210;

  /* Secondary Colors (Orange - harmonizes with company logo #ee3124) */
  --color-secondary: #FF6F00;
  --color-secondary-light: #FFA726;
  --color-secondary-dark: #E65100;
  --color-secondary-rgb: 255, 111, 0;

  /* Background Colors */
  --color-bg-darkest: #FFFFFF;
  --color-bg-darker: #FAFAFA;
  --color-bg-dark: #F5F5F5;
  --color-bg-medium: #EEEEEE;
  --color-bg-light: #E0E0E0;
  --color-bg-lighter: #D5D5D5;
  --color-bg-req: #fffaf1;

  /* Surface Colors */
  --color-surface: #FFFFFF;
  --color-surface-1: #FFFFFF;
  --color-surface-2: #F5F5F5;
  --color-surface-3: #EFEFEF;
  --color-surface-elevated: #FFFFFF;

  /* Border Colors */
  --color-border-subtle: #E0E0E0;
  --color-border: #BDBDBD;
  --color-border-strong: #9E9E9E;
  --color-divider: #E0E0E0;

  /* Text Colors */
  --color-text-primary: #212121;
  --color-text-secondary: #616161;
  --color-text-tertiary: #9E9E9E;
  --color-text-disabled: #7a7a7a;
  --color-text-inverse: #FFFFFF;

  /* Light mode border variations */
  --color-border-light: #CECECE;
  --color-surface-hover: rgba(0, 0, 0, 0.04);
  --color-primary-alpha: rgba(25, 118, 210, 0.12);
  --color-secondary-alpha: rgba(255, 111, 0, 0.12);

  /* Required Field Background */
  --color-required-bg: #fffaf1;
}

/* Dark Theme */
[data-theme="dark"] {
  /* Background Colors */
  --color-bg-darkest: #0F0F0F;
  --color-bg-darker: #1A1A1A;
  --color-bg-dark: #1E1E1E;
  --color-bg-medium: #2D2D2D;
  --color-bg-light: #3A3A3A;
  --color-bg-lighter: #4A4A4A;
  --color-bg-req: #2c1d02;

  /* Surface Colors */
  --color-surface: #242424;
  --color-surface-1: #2D2D2D;
  --color-surface-2: #303030;
  --color-surface-3: #363636;
  --color-surface-elevated: #404040;

  /* Border Colors */
  --color-border-subtle: #333333;
  --color-border: #424242;
  --color-border-strong: #525252;
  --color-divider: #2A2A2A;

  /* Text Colors */
  --color-text-primary: #E0E0E0;
  --color-text-secondary: #B0B0B0;
  --color-text-tertiary: #808080;
  --color-text-disabled: #606060;
  --color-text-inverse: #1E1E1E;

  /* Dark mode hover and alpha */
  --color-border-light: #555555;
  --color-surface-hover: rgba(255, 255, 255, 0.08);
  --color-primary-alpha: rgba(25, 118, 210, 0.16);
  --color-secondary-alpha: rgba(255, 111, 0, 0.16);

  /* Required Field Background (darker tone for dark theme) */
  --color-required-bg: #3a3020;
}

:root,
[data-theme="light"] {
  /* Accent Colors (from Material Color Palette) */
  --color-accent: #7C4DFF;
  --color-accent-light: #B47CFF;
  --color-accent-dark: #5E35B1;

  /* Semantic Colors */
  --color-success: #4CAF50;
  --color-success-light: #66BB6A;
  --color-success-lighter: #C8E6C9;
  --color-success-dark: #388E3C;

  --color-warning: #FFA726;
  --color-warning-light: #FFB74D;
  --color-warning-lighter: #FFE0B2;
  --color-warning-dark: #F57C00;

  --color-error: #EF5350;
  --color-error-light: #E57373;
  --color-error-lighter: #FFCDD2;
  --color-error-dark: #D32F2F;

  --color-info: #29B6F6;
  --color-info-light: #4FC3F7;
  --color-info-lighter: #B3E5FC;
  --color-info-dark: #0288D1;

  /* === Typography === */

  /* Font Families */
  --font-base: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Nanum Gothic', 'Malgun Gothic', sans-serif;
  --font-title: 'IBM Plex Sans', sans-serif;
  --font-mono: 'Fira Code', 'Consolas', 'Monaco', monospace;
  --font-sans: var(--font-base);

  /* Font Sizes (rem-based) */
  --font-size-xs: 0.75rem;    /* 9px desktop, 12px mobile */
  --font-size-sm: 0.875rem;   /* 10.5px desktop, 14px mobile */
  --font-size-base: 1rem;     /* 12px desktop, 16px mobile */
  --font-size-md: 1.125rem;   /* 13.5px desktop, 18px mobile */
  --font-size-lg: 1.25rem;    /* 15px desktop, 20px mobile */
  --font-size-xl: 1.5rem;     /* 18px desktop, 24px mobile */
  --font-size-2xl: 1.875rem;  /* 22.5px desktop, 30px mobile */
  --font-size-3xl: 2.25rem;   /* 27px desktop, 36px mobile */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* === Spacing Scale (rem-based) === */
  --space-0: 0;
  --space-1: 0.25rem;   /* 3px desktop, 4px mobile */
  --space-2: 0.5rem;    /* 6px desktop, 8px mobile */
  --space-3: 0.75rem;   /* 9px desktop, 12px mobile */
  --space-4: 1rem;      /* 12px desktop, 16px mobile */
  --space-5: 1.25rem;   /* 15px desktop, 20px mobile */
  --space-6: 1.5rem;    /* 18px desktop, 24px mobile */
  --space-8: 2rem;      /* 24px desktop, 32px mobile */
  --space-10: 2.5rem;   /* 30px desktop, 40px mobile */
  --space-12: 3rem;     /* 36px desktop, 48px mobile */
  --space-16: 4rem;     /* 48px desktop, 64px mobile */
  --space-20: 5rem;     /* 60px desktop, 80px mobile */

  /* === Sizing === */
  --size-icon-sm: 1rem;
  --size-icon-md: 1.25rem;
  --size-icon-lg: 1.5rem;
  --size-icon-xl: 2rem;

  /* Control Heights (input, select, button ????컨트�??�이) */
  --size-control-xs: 1.375rem;  /* 22px - 초소??컨트�?*/
  --size-control-sm: 2rem;      /* 24px - ?��? 컨트�?*/
  --size-control-md: 2.5rem;    /* 30px - 기본 컨트�?*/
  --size-control-lg: 3rem;      /* 36px - ??컨트�?*/

  /* === Border Radius === */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* === Shadows === */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.3);

  /* === Transitions === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === Z-Index Scale === */
  /* Base Layer (0-99): ?�반 ?�소 */
  --z-base: 1;              /* 기본 ?�벨 (버튼 ?�이�? ?�버?�이 ?? */
  --z-above: 10;            /* 컴포?�트 ???�위 ?�소 (?�더, ?�션 ?�역) */

  /* Page Layer (100-999): ?�이지 ??고정 ?�소 */
  --z-page-header: 100;     /* ?�이지 ?�더, ?�바 */
  --z-page-overlay: 200;    /* ?�이지 ???�버?�이 */
  --z-mobile-nav: 999;      /* 모바???�비게이??*/

  /* App Layer (1000-1999): ???�벨 고정 ?�소 */
  --z-dropdown: 1000;       /* ?�롭?�운, ?�?�트 메뉴 */
  --z-sticky: 1100;         /* ?�티???�소 (?�이?�바 ?? */
  --z-fixed: 1200;          /* 고정 ?�소 (?�더 ?? */
  --z-modal-backdrop: 1300; /* 모달 백드�?*/
  --z-modal: 1400;          /* 모달 */
  --z-popover: 1500;        /* ?�오�? 캘린???�업 */
  --z-tooltip: 1600;        /* ?�팁 */
  --z-toast: 1700;          /* ?�스???�림 */

  /* Top Layer (9000+): 최상???�소 */
  --z-overlay: 9998;        /* ?�역 ?�버?�이 */
  --z-popup: 9999;          /* ?�업, 컨텍?�트 메뉴 */
  --z-profile: 10000;       /* ?�로??메뉴 (최우?? */
  --z-notification: 10001;  /* ?�림 (최상?? */

  /* === Layout Dimensions === */
  --header-height: 3rem;
  --page-header-height: 2.5rem;
  --component-header-height: 2.5rem;
  /* Note: --sidebar-width, --sidebar-collapsed-width are defined in spa-frameset.css */

  /* === Detail Panel Sizes (for list-detail layout) === */
  --detail-panel-sm: 400px;
  --detail-panel-md: 600px;
  --detail-panel-lg: 800px;

  /* === Breakpoints === */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* Mobile: 16px base */
:root {
  font-size: 16px;
}

/* Tablet: 14px base */
@media (min-width: 768px) {
  :root {
    font-size: 14px;
  }
}

/* Desktop: 12px base */
@media (min-width: 1024px) {
  :root {
    font-size: 12px;
  }
}


/* ============================================================================
 * 2. RESET & BASE STYLES
 * ============================================================================ */

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

body {
  min-height: 100vh;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Remove default styling */
ul, ol {
  list-style: none;
}

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

a:hover {
  color: var(--color-primary-light);
}

a:focus-visible {
  outline: 1px solid var(--color-primary); 
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Scrollbar Styling (Dark Theme) */
::-webkit-scrollbar {
  width: 0.75rem;
  height: 0.75rem;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-medium);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-lighter);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-strong);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-lighter) var(--color-bg-medium);
}


/* ============================================================================
 * 3. TYPOGRAPHY SYSTEM
 * ============================================================================ */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

/* H1, H2: Nanum Gothic */
h1, h2 {
  font-family: var(--font-heading);
}

/* H3, H4, H5, H6: IBM Plex Sans */
h3, h4, h5, h6 {
  font-family: var(--font-title);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }

/* Paragraph */
p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

/* Text Utilities */
.text-title { font-family: var(--font-title); }
.text-mono { font-family: var(--font-mono); }
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-disabled { color: var(--color-text-disabled); }

/* Text Sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

/* Text Weights */
.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Text Truncation */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-nowrap { white-space: nowrap; }

/* Line Clamp */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ============================================================================
 * 4. LAYOUT SYSTEM
 * ============================================================================ */

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* Display Utilities */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-grid { display: grid !important; }
.d-table { display: table !important; }
.d-table-row { display: table-row !important; }
.d-table-cell { display: table-cell !important; }
.d-flex, .flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

/* Flex Direction */
.flex-row { flex-direction: row !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-column { flex-direction: column !important; }
.flex-column-reverse { flex-direction: column-reverse !important; }

/* Flex Wrap */
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-wrap-reverse { flex-wrap: wrap-reverse !important; }

/* Flex Grow/Shrink */
.flex-1 { flex: 1 1 0% !important; }
.flex-auto { flex: 1 1 auto !important; }
.flex-none { flex: none !important; }
.flex-fill { flex: 1 1 auto !important; min-height: 0; min-width: 0; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }

/* Justify Content */
.justify-start, .justify-content-start { justify-content: flex-start !important; }
.justify-end, .justify-content-end { justify-content: flex-end !important; }
.justify-center, .justify-content-center { justify-content: center !important; }
.justify-between, .justify-content-between { justify-content: space-between !important; }
.justify-around, .justify-content-around { justify-content: space-around !important; }
.justify-evenly, .justify-content-evenly { justify-content: space-evenly !important; }

/* Align Items */
.items-start, .align-items-start { align-items: flex-start !important; }
.items-end, .align-items-end { align-items: flex-end !important; }
.items-center, .align-items-center { align-items: center !important; }
.items-baseline, .align-items-baseline { align-items: baseline !important; }
.items-stretch, .align-items-stretch { align-items: stretch !important; }

/* Align Self */
.align-self-auto { align-self: auto !important; }
.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }
.align-self-baseline { align-self: baseline !important; }
.align-self-stretch { align-self: stretch !important; }

/* Gap */
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid System */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Form Grid - ???�이?�웃??그리??*/
.form-grid {
    display: grid !important;
    gap: var(--space-3);
}
.form-grid.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.form-grid.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* Form Grid - Column Span */
.form-grid .col-span-2 { grid-column: span 2; }
.form-grid .col-span-3 { grid-column: span 3; }
.form-grid .col-span-4 { grid-column: span 4; }
.form-grid .col-span-5 { grid-column: span 5; }
.form-grid .col-span-6 { grid-column: span 6; }
.form-grid .col-span-full { grid-column: 1 / -1; }

/* Form Grid - colgroup ?��???*/
.form-grid [colgroup] {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.form-grid [colgroup] > label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

/* Form Group - 폼 필드 그룹 스타일 */
.form-group {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space-2) !important;
}

.form-label {
    font-size: var(--font-size-sm) !important;
    font-weight: 500 !important;
    color: var(--color-text-secondary) !important;
    line-height: 1.4 !important;
}

/* Spacing */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

/* Border Radius */
.rounded { border-radius: var(--radius-md) !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Background Surface */
.bg-surface-1 { background-color: var(--color-surface-1) !important; }
.bg-surface-2 { background-color: var(--color-surface-2) !important; }
.bg-surface-3 { background-color: var(--color-surface-3) !important; }
.bg-surface-elevated { background-color: var(--color-surface-elevated) !important; }
.bg-light { background-color: var(--color-surface-2) !important; }
.bg-lighter { background-color: var(--color-surface-1) !important; }

/* Background Color Utilities */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-bg-light) !important; }
.bg-success { background-color: var(--color-success) !important; }
.bg-warning { background-color: var(--color-warning) !important; }
.bg-danger { background-color: var(--color-error) !important; }
.bg-info { background-color: var(--color-info) !important; }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }


/* ============================================================================
 * 5. FRAMESET LAYOUT
 * ============================================================================ */

/* Main Frameset Container */
.frameset {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

/* Frameset Header */
.frameset__header {
  flex: 0 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  background-color: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
}

/* Frameset Body */
.frameset__body {
  flex: 1 1 auto;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* Sidebar styles are defined in spa-frameset.css */

/* Main Content Area */
.frameset__main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

/* Header Components */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.header-logo img {
  height: var(--size-control-sm);
}

/* Header Action Buttons (Notification, Chat) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-right: var(--space-3);
}

.header-action-btn-wrapper {
  position: relative;
}

.header-action-btn {
  position: relative;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.header-action-btn:hover {
  background: var(--color-bg-light);
  color: var(--color-text-primary);
}

.header-action-btn i {
  font-size: 16px;
}

.header-action-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--color-danger);
  color: white;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Notification Panel */
.notification-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: 320px;
  max-height: 400px;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  overflow: hidden;
  margin-top: var(--space-2);
}

.notification-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-lighter);
}

.notification-panel__list {
  max-height: 300px;
  overflow-y: auto;
}

.notification-panel__footer {
  display: flex;
  justify-content: center;
  padding: var(--space-2);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-lighter);
}

.notification-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-base);
}

.notification-item:hover {
  background: var(--color-bg-light);
}

.notification-item--unread {
  background: var(--color-primary-lighter);
}

.notification-item--unread:hover {
  background: var(--color-primary-light);
}

.notification-item__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 12px;
}

.notification-item__icon--info {
  background: var(--color-info-light);
  color: var(--color-info);
}

.notification-item__icon--success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.notification-item__icon--warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.notification-item__icon--gray {
  background: var(--color-bg-light);
  color: var(--color-text-tertiary);
}

.notification-item__content {
  flex: 1;
  min-width: 0;
}

.notification-item__title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.notification-item__time {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.notification-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  color: var(--color-text-tertiary);
}

.notification-empty i {
  font-size: 32px;
  margin-bottom: var(--space-2);
}

.header-tabs {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 var(--space-4);
  overflow-x: auto;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Sidebar Components */
.sidebar-section {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.sidebar-section__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ============================================================================
 * PORTAL UI COMPONENTS (spa-portal.js)
 * ============================================================================ */

/* Modal Overlay */
.spa-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-popup);
  animation: spa-fade-in var(--transition-fast) ease-out;
}

/* No animation variant */
.spa-modal-overlay--no-animate {
  animation: none;
}

@keyframes spa-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes spa-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

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

/* Popup fast animations */
@keyframes spa-popup-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes spa-popup-fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes spa-popup-slide-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modal Dialog */
.spa-modal-dialog {
  background: var(--color-surface-elevated);
  border-radius: 0.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 90%;
  width: 26rem;
  overflow: hidden;
  animation: spa-slide-up var(--transition-fast) ease-out;
  position: absolute;
  cursor: default;
}

/* No animation variant */
.spa-modal-dialog--no-animate {
  animation: none;
}

.spa-modal-dialog--draggable {
  cursor: move;
}

.spa-modal-dialog--dragging {
  user-select: none;
  transition: none !important;
}

/* Modal Header */
.spa-modal-header {
  padding: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.spa-modal-icon {
  width: var(--size-icon-lg);
  height: var(--size-icon-lg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.spa-modal-icon--info {
  background: var(--color-info-lighter);
  color: var(--color-info);
}

.spa-modal-icon--success {
  background: var(--color-success-lighter);
  color: var(--color-success);
}

.spa-modal-icon--warning {
  background: var(--color-warning-lighter);
  color: var(--color-warning);
}

.spa-modal-icon--error {
  background: var(--color-error-lighter);
  color: var(--color-error);
}

.spa-modal-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

/* Modal Body */
.spa-modal-body {
  padding: 1.5rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-height: 60vh;
  overflow-y: auto;
}

/* Modal Input */
.spa-modal-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-family: var(--font-base);
  margin-top: 0.75rem;
  transition: border-color var(--transition-fast);
  background: var(--color-surface-1);
  color: var(--color-text-primary);
}

.spa-modal-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

/* Modal Footer */
.spa-modal-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.spa-modal-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  font-family: var(--font-base);
}

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

.spa-modal-btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--color-primary-alpha);
}

.spa-modal-btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.spa-modal-btn--secondary:hover {
  background: var(--color-surface-3);
}

.spa-modal-btn:active {
  transform: translateY(0);
}

/* Toast Container */
.spa-toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 24rem;
}

/* Toast */
.spa-toast {
  background: var(--color-surface-elevated);
  border-radius: 0.75rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: spa-slide-up 0.3s ease-out;
  border-left: 4px solid;
}

.spa-toast--info {
  border-left-color: var(--color-info);
}

.spa-toast--success {
  border-left-color: var(--color-success);
}

.spa-toast--warning {
  border-left-color: var(--color-warning);
}

.spa-toast--error {
  border-left-color: var(--color-error);
}

.spa-toast-icon {
  width: var(--size-icon-md);
  height: var(--size-icon-md);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

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

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

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

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

.spa-toast-content {
  flex: 1;
}

.spa-toast-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.25rem 0;
}

.spa-toast-message {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.spa-toast-close {
  width: 1.5rem;
  height: 1.5rem;
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
  transition: all var(--transition-fast);
}

.spa-toast-close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* Loader Overlay */
.spa-loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-notification);
  animation: spa-fade-in var(--transition-fast) ease-out;
}

/* Loader */
.spa-loader {
  background: var(--color-surface-elevated);
  border-radius: 0.75rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  min-width: 12rem;
}

.spa-loader-spinner {
  width: var(--size-icon-xl);
  height: var(--size-icon-xl);
  border: 3px solid var(--color-border-subtle);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spa-spin 0.5s linear infinite;
}

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

.spa-loader-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Popup Window */
.spa-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
  animation: spa-popup-fade-in var(--transition-fast) ease-out;
}

.spa-popup-overlay--closing {
  animation: spa-popup-fade-out var(--transition-fast) ease-out;
}

/* No animation variant */
.spa-popup-overlay--no-animation {
  animation: none;
}

.spa-popup-overlay--no-animation .spa-popup-window {
  animation: none;
}

.spa-popup-overlay--no-animation.spa-popup-overlay--closing {
  animation: none;
}

.spa-popup-window {
  background: var(--color-surface-elevated);
  border-radius: 0.75rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: spa-popup-slide-up var(--transition-fast) ease-out;
  width: 80%;
  height: 80%;
  max-width: 95%;
  max-height: 90%;
}

.spa-popup-window--dragging {
  user-select: none;
  transition: none !important;
}

.spa-popup-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface-2);
}

.spa-popup-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.spa-popup-close {
  width: var(--size-control-sm);
  height: var(--size-control-sm);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
  font-size: 1.25rem;
  transition: all var(--transition-fast);
}

.spa-popup-close:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.spa-popup-body {
  padding: 0;
  overflow-y: auto;
  flex: 1;
}

/* Form Popup - ???�이??맞추??max 80dvh */
.spa-form-popup {
  max-width: 90vw;
  max-height: 80dvh;
  height: auto;
  display: flex;
  flex-direction: column;
}

.spa-form-popup__body {
  padding: var(--space-4);
  overflow-y: auto;
  flex: 0 1 auto;
  min-height: 0;
}

.spa-form-popup__body [cmpnt] {
  display: block !important;
}

.spa-popup-footer,
.spa-form-popup__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-1);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

[data-theme="dark"] .spa-popup-footer,
[data-theme="dark"] .spa-form-popup__footer {
  background: var(--color-surface-2);
}

/* ============================================================================
   MODELESS POPUP (모드리스 ?�업)
   - ?�버?�이 ?�이 ?�래 ?�이지?� ?�시 ?�업 가??
   - ?�래�? 리사?�즈 가??
   ============================================================================ */

/* Modeless Popup */
.spa-modeless-popup {
  position: fixed;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-popup);
  animation: modelessPopupIn 0.2s ease-out;
  overflow: hidden;
}

.spa-modeless-popup--dragging {
  user-select: none;
  cursor: move;
  box-shadow: var(--shadow-2xl);
}

.spa-modeless-popup--minimized {
  height: auto !important;
}

.spa-modeless-popup--minimized .spa-modeless-popup__body {
  display: none;
}

.spa-modeless-popup--minimized .spa-modeless-popup__resize {
  display: none;
}

.spa-modeless-popup--closing {
  animation: modelessPopupOut 0.15s ease-in forwards;
}

@keyframes modelessPopupIn {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes modelessPopupOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

/* Modeless Popup Header */
.spa-modeless-popup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  cursor: move;
}

.spa-modeless-popup__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spa-modeless-popup__actions {
  display: flex;
  gap: var(--space-1);
}

.spa-modeless-popup__btn {
  width: 1.5rem;
  height: 1.5rem;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.spa-modeless-popup__btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.spa-modeless-popup__btn--close:hover {
  background: var(--color-danger);
  color: white;
}

/* Modeless Popup Body */
.spa-modeless-popup__body {
  flex: 1;
  overflow: auto;
  padding: 0;
  min-height: 0;
}

/* Modeless Popup Resize Handle */
.spa-modeless-popup__resize {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  cursor: se-resize;
  background: linear-gradient(
    135deg,
    transparent 50%,
    var(--color-border) 50%
  );
  border-radius: 0 0 var(--radius-lg) 0;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.spa-modeless-popup__resize:hover {
  opacity: 1;
  background: linear-gradient(
    135deg,
    transparent 50%,
    var(--color-primary) 50%
  );
}

/* Dark Theme */
[data-theme="dark"] .spa-modeless-popup {
  background: var(--color-surface-2);
  border-color: var(--color-border);
}

[data-theme="dark"] .spa-modeless-popup__header {
  background: var(--color-surface-3);
}

/* Resize Handle */
.spa-popup-resize-handle {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 16px;
  height: 16px;
  cursor: se-resize;
  background: linear-gradient(135deg, transparent 50%, var(--color-border) 50%);
  border-radius: 0 0 var(--radius-lg) 0;
  z-index: 1;
}

.spa-popup-resize-handle:hover {
  background: linear-gradient(135deg, transparent 50%, var(--color-primary) 50%);
}

.spa-popup-window--resizing {
  user-select: none;
}

.spa-popup-window--resizing .spa-popup-body {
  pointer-events: none;
}

/* Responsive */
@media (max-width: 640px) {
  .spa-modal-dialog {
    width: 95%;
  }

  .spa-toast-container {
    left: 1rem;
    right: 1rem;
    max-width: none;
  }

  .spa-popup-window {
    width: 95% !important;
    height: 90% !important;
    max-width: none !important;
    max-height: none !important;
  }

  /* 모바?�에??form popup ?�이 처리 */
  .spa-form-popup {
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
  }

  .spa-form-popup .spa-popup-header {
    flex-shrink: 0 !important;
  }

  .spa-form-popup .spa-popup-body,
  .spa-form-popup__body {
    flex: 1 1 auto !important;
    overflow-y: auto !important;
    min-height: 0 !important;
  }

  .spa-form-popup .spa-popup-footer,
  .spa-form-popup__footer {
    flex-shrink: 0 !important;
    background: var(--color-surface-1);
    border-top: 1px solid var(--color-border);
  }

  /* modeless ?�업 모바??처리 */
  .spa-modeless-popup {
    position: fixed !important;
    left: 2.5% !important;
    top: 5% !important;
    transform: none !important;
    width: 95% !important;
    height: 90% !important;
  }
}


/* ============================================================================
 * SPA CARD COMPONENTS
 * ============================================================================ */

/* Card Container */
.spa-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* Card Header */
.spa-card-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-surface-1);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Card Icon */
.spa-card-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Card Title - ?��? 줄바�?최적??*/
.spa-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.4;
  word-break: keep-all;        /* ?��? ?�어 ?�위 줄바�?*/
  overflow-wrap: break-word;   /* �??�문 ?�어 줄바�?*/
}

/* Card Title with icon */
.spa-card-title.flex {
  flex-wrap: wrap;
  align-items: center;
}

.spa-card-title i,
.spa-card-title .fa,
.spa-card-title [class^="fas"],
.spa-card-title [class^="far"],
.spa-card-title [class^="fab"] {
  flex-shrink: 0;
}

/* Card Body */
.spa-card-body {
  padding: var(--space-4);
}

/* Card Body - 컴팩??버전 */
.spa-card-body--compact {
  padding: var(--space-3);
}

/* Card Footer */
.spa-card-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-surface-2);
}

/* Page Header - ?�이지 최상???�더 */
.spa-page-header {
  margin-bottom: var(--space-6);
}

.spa-page-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.spa-page-title.flex {
  flex-wrap: wrap;
  align-items: center;
}

.spa-page-title i,
.spa-page-title .fa,
.spa-page-title [class^="fas"],
.spa-page-title [class^="far"],
.spa-page-title [class^="fab"] {
  flex-shrink: 0;
}

/* Page Content */
.spa-page-content {
  flex: 1;
  min-height: 0;
}


/* ============================================================================
 * LIST-DETAIL LAYOUT
 * 좌측 리스??flex) + ?�측 ?�세?�널(고정?? ?�이?�웃
 * ?�용�? <div class="list-detail-layout"> ... </div>
 * ============================================================================ */

/* 컨테?�너 */
.list-detail-layout {
  display: flex;
  flex-direction: row;
  gap: var(--space-4);
  height: 100%;
  min-height: 0;
  container-type: inline-size;
  container-name: list-detail;
}

/* 좌측: 리스???�역 (?�동?? */
.list-detail-layout__list {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ?�측: ?�세 ?�널 (고정?? 기본 md=600px) */
.list-detail-layout__detail {
  flex: 0 0 var(--detail-panel-md);
  width: var(--detail-panel-md);
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ?�기 변???�래??*/
.list-detail-layout__detail.sm {
  flex-basis: var(--detail-panel-sm);
  width: var(--detail-panel-sm);
}

.list-detail-layout__detail.lg {
  flex-basis: var(--detail-panel-lg);
  width: var(--detail-panel-lg);
}

/* 상세 패널 내부 폼 그리드 - Container Query 기반 반응형 */
/* grid-cols-X 클래스가 없을 때만 12열 그리드 적용 */
.list-detail-layout__detail .form-grid:not([class*="grid-cols-"]) {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}
.list-detail-layout__detail .form-grid {
  container-type: inline-size;
  container-name: detail-form;
}

/* 상세 패널 내부 colgroup 반응형 (12열 그리드 사용시에만, 기본 3cols) */
.list-detail-layout__detail .form-grid:not([class*="grid-cols-"]) [colgroup] {
  grid-column: span 4;  /* 12/4 = 3 cols per row */
}

/* Container Query: form-grid 폭에 따른 cols per row 조정 (12열 그리드 전용) */
/* sm (max-width 450px): 1 col per row */
@container detail-form (max-width: 450px) {
  .form-grid:not([class*="grid-cols-"]) [colgroup] {
    grid-column: span 12;  /* 1 col per row */
  }
}

/* md (451-750px): 3 cols per row - 기본값 */
@container detail-form (min-width: 451px) and (max-width: 750px) {
  .form-grid:not([class*="grid-cols-"]) [colgroup] {
    grid-column: span 4;  /* 3 cols per row */
  }
}

/* lg (min-width 751px): 6 cols per row */
@container detail-form (min-width: 751px) {
  .form-grid:not([class*="grid-cols-"]) [colgroup] {
    grid-column: span 2;  /* 6 cols per row */
  }
}

/* 전체 너비 사용 colgroup (colspan 무시) */
.list-detail-layout__detail [colgroup].full-width {
  grid-column: 1 / -1;
}


/* ============================================================================
 * RESPONSIVE & UTILITY
 * ============================================================================ */

/* Utility class for hiding elements */
.hidden {
  display: none !important;
}

/* Desktop (base: 12px) */
@media screen and (min-width: 1024px) {
  html {
    font-size: 12px;
  }
}


/* 반응??- 모바??*/
@media screen and (max-width: 640px) {  
  .grid-cols-2, 
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-5 {
      grid-template-columns: repeat(1, 1fr);
  }

  .grid-cols-6,
  .grid-cols-7,
  .grid-cols-12 {
      grid-template-columns: repeat(2, 1fr);
  } 
}


@media screen and (max-width: 1023px) {  
  .grid-cols-2, 
  .grid-cols-3 {
      grid-template-columns: repeat(1, 1fr);
  } 

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

  .grid-cols-6,
  .grid-cols-7 {
      grid-template-columns: repeat(3, 1fr);
  }

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


/* Tablet (base: 14px) */
@media screen and (min-width: 768px) and (max-width: 1023px) {
  html {
    font-size: 14px;
  }
}

/* Hide on mobile */
@media screen and (max-width: 767px) {
  .hidden-mobile {
    display: none !important;
  }

  /* spa-card 모바???�백 축소 */
  .spa-card-header {
    padding: var(--space-2) var(--space-3);
  }

  .spa-card-body {
    padding: var(--space-3);
  }

  .spa-card-body--compact {
    padding: var(--space-2);
  }

  .spa-card-footer {
    padding: var(--space-2) var(--space-3);
  }

  .frameset__sidebar {
    position: absolute;
    left: 0;
    top: var(--header-height);
    bottom: 0;
    z-index: var(--z-sticky);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .frameset__sidebar--visible {
    transform: translateX(0);
  }
}

/* Hide on tablet */
@media screen and (min-width: 768px) and (max-width: 1023px) {
  .hidden-tablet {
    display: none !important;
  }
}

/* Hide on desktop */
@media screen and (min-width: 1024px) {
  .hidden-desktop {
    display: none !important;
  }
}

/* ============================================================================
 * PAGE LOADING OVERLAY
 * ============================================================================ */

.spa-page-loading {
  position: relative;
  pointer-events: none;
  min-height: 200px;
}

.spa-page-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  z-index: 9999;
}

.spa-page-loading::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  margin: -18px 0 0 -18px;
  border: 3px solid #e0e0e0;
  border-top-color: #1976d2;
  border-radius: 50%;
  animation: spa-spin 0.8s linear infinite;
  z-index: 10000;
}

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

/* ============================================================================
 * PRINT STYLES
 * ============================================================================ */

@media print {
  .no-print {
    display: none !important;
  }

  .frameset__sidebar,
  .button,
  .spa-modal-overlay,
  .spa-toast-container,
  .spa-loader-overlay {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}