/* ==========================================================================
   RustPress Enterprise Theme - Base Styles & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ========== Focus Styles ========== */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-rust);
  outline-offset: 2px;
}

/* ========== Selection ========== */
::selection {
  background-color: var(--color-rust);
  color: white;
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-secondary);
}

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

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

/* ========== Images & Media ========== */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  font-style: italic;
  background-repeat: no-repeat;
  background-size: cover;
  shape-margin: 1rem;
}

/* ========== Links ========== */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

/* ========== Lists ========== */
ul,
ol {
  list-style: none;
}

/* ========== Forms ========== */
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

textarea {
  resize: vertical;
}

/* ========== Tables ========== */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ========== Misc ========== */
hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--space-8) 0;
}

abbr[title] {
  text-decoration: underline dotted;
  cursor: help;
}

address {
  font-style: normal;
}

/* ========== Utility Classes ========== */

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

.hidden {
  display: none !important;
}

.visible {
  visibility: visible !important;
}

.invisible {
  visibility: hidden !important;
}

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flexbox */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { 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; }
.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-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.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); }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }

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

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

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-full { max-width: 100%; }

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

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Transitions */
.transition {
  transition-property: all;
  transition-timing-function: var(--ease-out);
  transition-duration: var(--duration-normal);
}

.transition-none { transition: none; }
.transition-colors {
  transition-property: color, background-color, border-color;
  transition-timing-function: var(--ease-out);
  transition-duration: var(--duration-fast);
}

.transition-transform {
  transition-property: transform;
  transition-timing-function: var(--ease-out);
  transition-duration: var(--duration-normal);
}

.transition-opacity {
  transition-property: opacity;
  transition-timing-function: var(--ease-out);
  transition-duration: var(--duration-normal);
}

/* Transforms */
.translate-y-0 { transform: translateY(0); }
.translate-y-full { transform: translateY(100%); }
.-translate-y-full { transform: translateY(-100%); }
.scale-100 { transform: scale(1); }
.scale-95 { transform: scale(0.95); }
.scale-105 { transform: scale(1.05); }
.rotate-0 { transform: rotate(0deg); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

/* Z-Index */
.z-0 { z-index: var(--z-base); }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Background */
.bg-transparent { background-color: transparent; }
.bg-current { background-color: currentColor; }