/* ==========================================================================
   RIA E-Approval Dashboard - Main Styles
   ========================================================================== */

/* CSS Custom Properties
   ========================================================================== */
:root {
  /* Primary - Lotte Red */
  --color-primary: #C60C30;
  --color-primary-hover: #A00A26;
  --color-primary-light: rgba(198, 12, 48, 0.08);
  --color-primary-dark: #8B0A1F;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-bg-primary: #FAFBFC;
  --color-bg-secondary: #F3F4F6;
  --color-bg-card: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-subtle: #F0F1F3;

  /* Text */
  --color-text-primary: #1A1D21;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;

  /* Accent Colors */
  --color-accent-blue: #3B82F6;
  --color-accent-orange: #F59E0B;
  --color-accent-purple: #8B5CF6;
  --color-accent-green: #10B981;

  /* Badge Colors */
  --color-badge-leader: #C60C30;
  --color-badge-news: #3B82F6;
  --color-badge-promo: #F59E0B;
  --color-badge-policy: #7C3AED;
  --color-badge-security: #6B7280;
  --color-badge-company: #0891B2;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-display: "Noto Sans KR", "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "IBM Plex Sans", "Noto Sans KR", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Layout */
  --header-height: 64px;
  --sidebar-width: 240px;
  --content-max-width: 1200px;
}

/* Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

/* Utility Classes
   ========================================================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Layout
   ========================================================================== */
.layout {
  display: flex;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
}

/* Main Content Area
   ========================================================================== */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--space-6);
  max-width: calc(100vw - var(--sidebar-width));
}

/* Content Grid (3 columns) */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

/* Media Queries
   ========================================================================== */
@media (max-width: 1439px) {
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1023px) {
  .layout {
    flex-direction: column;
  }

  .main {
    margin-left: 0;
    max-width: 100vw;
    padding: var(--space-4);
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  :root {
    --sidebar-width: 0px;
  }
}

/* Custom Scrollbar
   ========================================================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* Focus States
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Selection
   ========================================================================== */
::selection {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}