/**
 * Theme: Desa Modern (Premium OpenSID Theme)
 * File: theme.css - Foundation Design Tokens, Reset, Base, Typography & Layout
 * Version: 1.0.0
 */

/* ==========================================================================
   1. DESIGN TOKENS & CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Brand & Theme Colors */
  --dm-primary: #0284c7;
  --dm-primary-hover: #0369a1;
  --dm-primary-light: #e0f2fe;
  --dm-primary-dark: #075985;
  
  --dm-secondary: #0f172a;
  --dm-secondary-hover: #1e293b;
  --dm-secondary-light: #334155;
  
  --dm-accent: #f59e0b;
  --dm-accent-hover: #d97706;
  --dm-accent-light: #fef3c7;
  
  /* Neutral / Surface Colors */
  --dm-bg-body: #f8fafc;
  --dm-surface: #ffffff;
  --dm-surface-muted: #f1f5f9;
  --dm-surface-hover: #f8fafc;
  
  /* Text & Content Colors */
  --dm-text-main: #1e293b;
  --dm-text-heading: #0f172a;
  --dm-text-muted: #64748b;
  --dm-text-inverse: #ffffff;
  
  /* Border & Divider */
  --dm-border: #e2e8f0;
  --dm-border-focus: #0284c7;
  --dm-divider: #f1f5f9;
  
  /* Status & State Colors */
  --dm-success: #10b981;
  --dm-success-light: #d1fae5;
  --dm-success-text: #065f46;
  
  --dm-warning: #f59e0b;
  --dm-warning-light: #fef3c7;
  --dm-warning-text: #92400e;
  
  --dm-danger: #ef4444;
  --dm-danger-light: #fee2e2;
  --dm-danger-text: #991b1b;
  
  --dm-info: #0284c7;
  --dm-info-light: #e0f2fe;
  --dm-info-text: #075985;
  
  /* Typography Hierarchy */
  --dm-font-sans: -apple-system, BlinkMacSystemFont, "Plus Jakarta Sans", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --dm-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --dm-font-size-xs: 0.75rem;    /* 12px */
  --dm-font-size-sm: 0.875rem;   /* 14px */
  --dm-font-size-base: 1rem;     /* 16px */
  --dm-font-size-lg: 1.125rem;   /* 18px */
  --dm-font-size-xl: 1.25rem;    /* 20px */
  --dm-font-size-2xl: 1.5rem;    /* 24px */
  --dm-font-size-3xl: 1.875rem;  /* 30px */
  --dm-font-size-4xl: 2.25rem;   /* 36px */
  --dm-font-size-5xl: 3rem;      /* 48px */
  
  --dm-leading-none: 1;
  --dm-leading-tight: 1.25;
  --dm-leading-normal: 1.5;
  --dm-leading-relaxed: 1.625;
  --dm-leading-loose: 2;
  
  /* Spacing Scale (8px system) */
  --dm-space-1: 0.25rem;   /* 4px */
  --dm-space-2: 0.5rem;    /* 8px */
  --dm-space-3: 0.75rem;   /* 12px */
  --dm-space-4: 1rem;      /* 16px */
  --dm-space-5: 1.25rem;   /* 20px */
  --dm-space-6: 1.5rem;    /* 24px */
  --dm-space-8: 2rem;      /* 32px */
  --dm-space-10: 2.5rem;   /* 40px */
  --dm-space-12: 3rem;     /* 48px */
  --dm-space-16: 4rem;     /* 64px */
  --dm-space-20: 5rem;     /* 80px */
  
  /* Layout Dimensions */
  --dm-container-max: 1240px;
  --dm-container-padding: 1.25rem;
  
  /* Border Radius */
  --dm-radius-xs: 4px;
  --dm-radius-sm: 6px;
  --dm-radius-md: 12px;
  --dm-radius-lg: 16px;
  --dm-radius-xl: 24px;
  --dm-radius-full: 9999px;
  
  /* Shadows & Elevations */
  --dm-shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --dm-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
  --dm-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --dm-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --dm-shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  
  /* Transitions */
  --dm-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --dm-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --dm-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Layers */
  --dm-z-back: -1;
  --dm-z-normal: 1;
  --dm-z-sticky: 100;
  --dm-z-dropdown: 500;
  --dm-z-modal: 1000;
  --dm-z-drawer: 1100;
  --dm-z-toast: 1200;
}

/* ==========================================================================
   2. NON-INVASIVE BASE & RESET (Scaffolded cleanly for OpenSID)
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--dm-font-sans);
  font-size: 16px;
  line-height: var(--dm-leading-normal);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  color: var(--dm-text-main);
  background-color: var(--dm-bg-body);
}

body.dm-theme-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--dm-text-main);
  background-color: var(--dm-bg-body);
  overflow-x: hidden;
}

/* Skip to main content (Accessibility) */
.dm-skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--dm-primary);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--dm-radius-sm);
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top var(--dm-transition-fast);
}

.dm-skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--dm-accent);
}

/* ==========================================================================
   3. TYPOGRAPHY HIERARCHY
   ========================================================================== */
.dm-display {
  font-size: clamp(2rem, 5vw, var(--dm-font-size-5xl));
  font-weight: 800;
  line-height: var(--dm-leading-tight);
  letter-spacing: -0.025em;
  color: var(--dm-text-heading);
  margin-top: 0;
  margin-bottom: var(--dm-space-4);
}

.dm-h1, h1.dm-title {
  font-size: clamp(1.75rem, 4vw, var(--dm-font-size-4xl));
  font-weight: 700;
  line-height: var(--dm-leading-tight);
  letter-spacing: -0.02em;
  color: var(--dm-text-heading);
  margin-top: 0;
  margin-bottom: var(--dm-space-4);
}

.dm-h2, h2.dm-title {
  font-size: clamp(1.5rem, 3vw, var(--dm-font-size-3xl));
  font-weight: 700;
  line-height: var(--dm-leading-tight);
  letter-spacing: -0.015em;
  color: var(--dm-text-heading);
  margin-top: 0;
  margin-bottom: var(--dm-space-3);
}

.dm-h3, h3.dm-title {
  font-size: clamp(1.25rem, 2.5vw, var(--dm-font-size-2xl));
  font-weight: 600;
  line-height: var(--dm-leading-snug);
  color: var(--dm-text-heading);
  margin-top: 0;
  margin-bottom: var(--dm-space-3);
}

.dm-h4, h4.dm-title {
  font-size: var(--dm-font-size-xl);
  font-weight: 600;
  line-height: var(--dm-leading-snug);
  color: var(--dm-text-heading);
  margin-top: 0;
  margin-bottom: var(--dm-space-2);
}

.dm-body {
  font-size: var(--dm-font-size-base);
  line-height: var(--dm-leading-relaxed);
  color: var(--dm-text-main);
  margin-top: 0;
  margin-bottom: var(--dm-space-4);
}

.dm-small {
  font-size: var(--dm-font-size-sm);
  line-height: var(--dm-leading-normal);
  color: var(--dm-text-muted);
}

.dm-caption {
  font-size: var(--dm-font-size-xs);
  line-height: var(--dm-leading-normal);
  color: var(--dm-text-muted);
}

.dm-label {
  font-size: var(--dm-font-size-sm);
  font-weight: 600;
  color: var(--dm-text-heading);
  display: block;
  margin-bottom: var(--dm-space-1);
}

/* ==========================================================================
   4. CONTAINER & CORE LAYOUT
   ========================================================================== */
.dm-container {
  width: 100%;
  max-width: var(--dm-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--dm-container-padding);
  padding-right: var(--dm-container-padding);
}

.dm-container-fluid {
  width: 100%;
  padding-left: var(--dm-container-padding);
  padding-right: var(--dm-container-padding);
}

.dm-main-layout {
  flex: 1 0 auto;
  width: 100%;
  padding-top: var(--dm-space-6);
  padding-bottom: var(--dm-space-12);
}

.dm-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--dm-space-6);
}

@media (min-width: 1024px) {
  .dm-layout-grid.with-sidebar-right {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
  }
  
  .dm-layout-grid.with-sidebar-left {
    grid-template-columns: 340px minmax(0, 1fr);
    align-items: start;
  }
}

.dm-content-area {
  min-width: 0;
  background-color: var(--dm-surface);
  border-radius: var(--dm-radius-md);
  border: 1px solid var(--dm-border);
  box-shadow: var(--dm-shadow-xs);
  padding: var(--dm-space-6);
}

.dm-sidebar-area {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--dm-space-6);
}

/* ==========================================================================
   5. CONTENT PROSE (Safe container for OpenSID rich HTML)
   ========================================================================== */
.dm-prose {
  color: var(--dm-text-main);
  line-height: var(--dm-leading-relaxed);
  font-size: var(--dm-font-size-base);
  word-break: break-word;
}

.dm-prose p {
  margin-top: 0;
  margin-bottom: var(--dm-space-4);
}

.dm-prose h1, .dm-prose h2, .dm-prose h3, .dm-prose h4 {
  color: var(--dm-text-heading);
  font-weight: 700;
  margin-top: var(--dm-space-6);
  margin-bottom: var(--dm-space-3);
  line-height: var(--dm-leading-tight);
}

.dm-prose a {
  color: var(--dm-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dm-transition-fast);
}

.dm-prose a:hover {
  color: var(--dm-primary-hover);
}

.dm-prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--dm-radius-md);
  margin-top: var(--dm-space-4);
  margin-bottom: var(--dm-space-4);
}

.dm-prose figure {
  margin: var(--dm-space-4) 0;
}

.dm-prose figure figcaption {
  font-size: var(--dm-font-size-sm);
  color: var(--dm-text-muted);
  text-align: center;
  margin-top: var(--dm-space-2);
}

.dm-prose ul, .dm-prose ol {
  margin-top: 0;
  margin-bottom: var(--dm-space-4);
  padding-left: var(--dm-space-6);
}

.dm-prose li {
  margin-bottom: var(--dm-space-2);
}

.dm-prose blockquote {
  margin: var(--dm-space-6) 0;
  padding: var(--dm-space-4) var(--dm-space-6);
  border-left: 4px solid var(--dm-primary);
  background-color: var(--dm-surface-muted);
  border-radius: 0 var(--dm-radius-md) var(--dm-radius-md) 0;
  font-style: italic;
  color: var(--dm-text-heading);
}

.dm-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--dm-space-4) 0;
}

.dm-prose table th, .dm-prose table td {
  padding: var(--dm-space-3) var(--dm-space-4);
  border: 1px solid var(--dm-border);
  text-align: left;
}

.dm-prose table th {
  background-color: var(--dm-surface-muted);
  font-weight: 600;
  color: var(--dm-text-heading);
}

.dm-prose iframe {
  max-width: 100%;
  border-radius: var(--dm-radius-md);
}

/* ==========================================================================
   6. CORE UTILITIES
   ========================================================================== */
.dm-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.dm-text-center { text-align: center; }
.dm-text-left { text-align: left; }
.dm-text-right { text-align: right; }
.dm-text-primary { color: var(--dm-primary); }
.dm-text-secondary { color: var(--dm-secondary); }
.dm-text-muted { color: var(--dm-text-muted); }
.dm-text-heading { color: var(--dm-text-heading); }

.dm-flex { display: flex; }
.dm-flex-col { flex-direction: column; }
.dm-items-center { align-items: center; }
.dm-justify-between { justify-content: space-between; }
.dm-justify-center { justify-content: center; }
.dm-flex-wrap { flex-wrap: wrap; }
.dm-gap-1 { gap: var(--dm-space-1); }
.dm-gap-2 { gap: var(--dm-space-2); }
.dm-gap-3 { gap: var(--dm-space-3); }
.dm-gap-4 { gap: var(--dm-space-4); }
.dm-gap-6 { gap: var(--dm-space-6); }

.dm-w-full { width: 100%; }
.dm-h-full { height: 100%; }

/* Grid Utilities */
.dm-grid { display: grid; }
.dm-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.dm-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dm-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dm-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ==========================================================================
   7. ACCESSIBILITY & ANIMATION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}