/* EchoUI Layout System - Standalone (No Theme Dependencies) */

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Container System */
.echo-container {
  width: 100%;
  max-width: var(--container-max-width, 1060px); /* Default 1060px, theme can override */
  margin: 0 auto;
  padding: 0 16px;
}

.echo-container-fluid {
  width: 100%;
  padding: 0 16px;
}

.echo-section {
  padding: 64px 0;
}

/* Background utilities */
.bg-secondary {
  background-color: var(--bg-secondary, #f9fafb);
}

.bg-tertiary {
  background-color: var(--bg-tertiary, #f3f4f6);
}

/* Text alignment */
.text-center {
  text-align: center;
}

/* Border radius */
.rounded-small {
  border-radius: 4px;
}

/* Padding utilities */
.padding-small {
  padding: 12px;
}

.padding-tiny {
  padding: 8px;
}

.padding-medium {
  padding: 16px;
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

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

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

.margin-bottom-small {
  margin-bottom: 8px;
}

/* Text color utilities */
.text-muted {
  color: var(--text-muted, #6b7280);
}

.text-subtle {
  color: var(--gray-400, #9ca3af);
}

/* Grid System - English Names */
.echo-grid { display: grid; gap: 16px; }
.one-column { grid-template-columns: 1fr; }
.two-columns { grid-template-columns: repeat(2, 1fr); }
.three-columns { grid-template-columns: repeat(3, 1fr); }
.four-columns { grid-template-columns: repeat(4, 1fr); }
.five-columns { grid-template-columns: repeat(5, 1fr); }
.six-columns { grid-template-columns: repeat(6, 1fr); }

.auto-fit { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.auto-fit-small { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.auto-fit-large { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* Column Fractions */
.one-quarter { width: 25%; }
.one-third { width: 33.333%; }
.one-half { width: 50%; }
.two-thirds { width: 66.666%; }
.three-quarters { width: 75%; }
.full-width { width: 100%; }

/* Grid Gaps - Fixed Sizes */
.gap-none { gap: 0; }
.gap-tiny { gap: 4px; }
.gap-small { gap: 8px; }
.gap-medium { gap: 16px; }
.gap-large { gap: 24px; }
.gap-huge { gap: 32px; }

/* Grid Gaps - Exact Pixels */
.gap-2px { gap: 2px; }
.gap-4px { gap: 4px; }
.gap-6px { gap: 6px; }
.gap-8px { gap: 8px; }
.gap-10px { gap: 10px; }
.gap-12px { gap: 12px; }
.gap-16px { gap: 16px; }
.gap-20px { gap: 20px; }
.gap-24px { gap: 24px; }
.gap-32px { gap: 32px; }

/* Flexbox System */
.flex { display: flex; }
.inline-flex { display: inline-flex; }

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

.flex-wrap { flex-wrap: wrap; }
.flex-no-wrap { flex-wrap: nowrap; }

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

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

.flex-grow { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* Spacing - Fixed Sizes */
.margin-none { margin: 0; }
.margin-tiny { margin: 4px; }
.margin-small { margin: 8px; }
.margin-medium { margin: 16px; }
.margin-large { margin: 24px; }
.margin-huge { margin: 32px; }

.margin-top-none { margin-top: 0; }
.margin-top-tiny { margin-top: 4px; }
.margin-top-small { margin-top: 8px; }
.margin-top-medium { margin-top: 16px; }
.margin-top-large { margin-top: 24px; }
.margin-top-huge { margin-top: 32px; }

.margin-right-none { margin-right: 0; }
.margin-right-tiny { margin-right: 4px; }
.margin-right-small { margin-right: 8px; }
.margin-right-medium { margin-right: 16px; }
.margin-right-large { margin-right: 24px; }
.margin-right-huge { margin-right: 32px; }

.margin-bottom-none { margin-bottom: 0; }
.margin-bottom-tiny { margin-bottom: 4px; }
.margin-bottom-small { margin-bottom: 8px; }
.margin-bottom-medium { margin-bottom: 16px; }
.margin-bottom-large { margin-bottom: 24px; }
.margin-bottom-huge { margin-bottom: 32px; }

.margin-left-none { margin-left: 0; }
.margin-left-tiny { margin-left: 4px; }
.margin-left-small { margin-left: 8px; }
.margin-left-medium { margin-left: 16px; }
.margin-left-large { margin-left: 24px; }
.margin-left-huge { margin-left: 32px; }

.padding-none { padding: 0; }
.padding-tiny { padding: 4px; }
.padding-small { padding: 8px; }
.padding-medium { padding: 16px; }
.padding-large { padding: 24px; }
.padding-huge { padding: 32px; }

.padding-top-none { padding-top: 0; }
.padding-top-tiny { padding-top: 4px; }
.padding-top-small { padding-top: 8px; }
.padding-top-medium { padding-top: 16px; }
.padding-top-large { padding-top: 24px; }
.padding-top-huge { padding-top: 32px; }

.padding-right-none { padding-right: 0; }
.padding-right-tiny { padding-right: 4px; }
.padding-right-small { padding-right: 8px; }
.padding-right-medium { padding-right: 16px; }
.padding-right-large { padding-right: 24px; }
.padding-right-huge { padding-right: 32px; }

.padding-bottom-none { padding-bottom: 0; }
.padding-bottom-tiny { padding-bottom: 4px; }
.padding-bottom-small { padding-bottom: 8px; }
.padding-bottom-medium { padding-bottom: 16px; }
.padding-bottom-large { padding-bottom: 24px; }
.padding-bottom-huge { padding-bottom: 32px; }

.padding-left-none { padding-left: 0; }
.padding-left-tiny { padding-left: 4px; }
.padding-left-small { padding-left: 8px; }
.padding-left-medium { padding-left: 16px; }
.padding-left-large { padding-left: 24px; }
.padding-left-huge { padding-left: 32px; }

/* Spacing - Exact Pixels */
.margin-2px { margin: 2px; }
.margin-4px { margin: 4px; }
.margin-6px { margin: 6px; }
.margin-8px { margin: 8px; }
.margin-10px { margin: 10px; }
.margin-12px { margin: 12px; }
.margin-16px { margin: 16px; }
.margin-20px { margin: 20px; }
.margin-24px { margin: 24px; }
.margin-32px { margin: 32px; }
.margin-40px { margin: 40px; }
.margin-48px { margin: 48px; }

.padding-2px { padding: 2px; }
.padding-4px { padding: 4px; }
.padding-6px { padding: 6px; }
.padding-8px { padding: 8px; }
.padding-10px { padding: 10px; }
.padding-12px { padding: 12px; }
.padding-16px { padding: 16px; }
.padding-20px { padding: 20px; }
.padding-24px { padding: 24px; }
.padding-32px { padding: 32px; }
.padding-40px { padding: 40px; }
.padding-48px { padding: 48px; }

.margin-top-2px { margin-top: 2px; }
.margin-top-4px { margin-top: 4px; }
.margin-top-6px { margin-top: 6px; }
.margin-top-8px { margin-top: 8px; }
.margin-top-10px { margin-top: 10px; }
.margin-top-12px { margin-top: 12px; }
.margin-top-16px { margin-top: 16px; }
.margin-top-20px { margin-top: 20px; }
.margin-top-24px { margin-top: 24px; }
.margin-top-32px { margin-top: 32px; }
.margin-top-40px { margin-top: 40px; }
.margin-top-48px { margin-top: 48px; }

.margin-bottom-2px { margin-bottom: 2px; }
.margin-bottom-4px { margin-bottom: 4px; }
.margin-bottom-6px { margin-bottom: 6px; }
.margin-bottom-8px { margin-bottom: 8px; }
.margin-bottom-10px { margin-bottom: 10px; }
.margin-bottom-12px { margin-bottom: 12px; }
.margin-bottom-16px { margin-bottom: 16px; }
.margin-bottom-20px { margin-bottom: 20px; }
.margin-bottom-24px { margin-bottom: 24px; }
.margin-bottom-32px { margin-bottom: 32px; }
.margin-bottom-40px { margin-bottom: 40px; }
.margin-bottom-48px { margin-bottom: 48px; }

.padding-top-2px { padding-top: 2px; }
.padding-top-4px { padding-top: 4px; }
.padding-top-6px { padding-top: 6px; }
.padding-top-8px { padding-top: 8px; }
.padding-top-10px { padding-top: 10px; }
.padding-top-12px { padding-top: 12px; }
.padding-top-16px { padding-top: 16px; }
.padding-top-20px { padding-top: 20px; }
.padding-top-24px { padding-top: 24px; }
.padding-top-32px { padding-top: 32px; }
.padding-top-40px { padding-top: 40px; }
.padding-top-48px { padding-top: 48px; }

.padding-bottom-2px { padding-bottom: 2px; }
.padding-bottom-4px { padding-bottom: 4px; }
.padding-bottom-6px { padding-bottom: 6px; }
.padding-bottom-8px { padding-bottom: 8px; }
.padding-bottom-10px { padding-bottom: 10px; }
.padding-bottom-12px { padding-bottom: 12px; }
.padding-bottom-16px { padding-bottom: 16px; }
.padding-bottom-20px { padding-bottom: 20px; }
.padding-bottom-24px { padding-bottom: 24px; }
.padding-bottom-32px { padding-bottom: 32px; }
.padding-bottom-40px { padding-bottom: 40px; }
.padding-bottom-48px { padding-bottom: 48px; }

/* Auto Margins */
.margin-auto { margin: auto; }
.margin-x-auto { margin-left: auto; margin-right: auto; }
.margin-y-auto { margin-top: auto; margin-bottom: auto; }

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

.text-tiny { font-size: 12px; }
.text-small { font-size: 14px; }
.text-normal { font-size: 16px; }
.text-large { font-size: 18px; }
.text-extra-large { font-size: 20px; }
.text-huge { font-size: 24px; }
.text-massive { font-size: 30px; }
.text-gigantic { font-size: 36px; }

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

/* Border Utilities */
.border { border: 1px solid #e5e7eb; }
.border-top { border-top: 1px solid #e5e7eb; }
.border-right { border-right: 1px solid #e5e7eb; }
.border-bottom { border-bottom: 1px solid #e5e7eb; }
.border-left { border-left: 1px solid #e5e7eb; }

.rounded-none { border-radius: 0; }
.rounded-tiny { border-radius: 2px; }
.rounded-small { border-radius: 4px; }
.rounded { border-radius: 6px; }
.rounded-medium { border-radius: 8px; }
.rounded-large { border-radius: 12px; }
.rounded-huge { border-radius: 16px; }
.rounded-full { border-radius: 9999px; }

/* Shadow Utilities */
.shadow-none { box-shadow: none; }
.shadow-small { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1); }
.shadow-medium { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1); }
.shadow-large { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1); }
.shadow-huge { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1); }

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

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

/* Overflow Utilities */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-scroll { overflow: scroll; }

/* List Utilities */
.list-none { list-style-type: none; }
.list-disc { list-style-type: disc; }
.list-decimal { list-style-type: decimal; }

/* Body Padding for Fixed Navigation */
.echo-body-nav {
  padding-top: 64px !important;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .six-columns { grid-template-columns: repeat(3, 1fr); }
  .five-columns { grid-template-columns: repeat(3, 1fr); }
  .four-columns { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .echo-container {
    padding: 0 12px;
  }
  
  .echo-section {
    padding: 48px 0;
  }
  
  .six-columns,
  .five-columns,
  .four-columns,
  .three-columns {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .echo-container {
    padding: 0 8px;
  }
  
  .echo-section {
    padding: 32px 0;
  }
  
  .six-columns,
  .five-columns,
  .four-columns,
  .three-columns,
  .two-columns {
    grid-template-columns: 1fr;
  }
}