/* ==========================================================================
   Base — Reset, Typography, Utilities
   ShopMa CRM v2.0
   ========================================================================== */

/* ------------------------------------------------------------------
   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;
  font-size: 16px;
  line-height: var(--leading-normal);
  tab-size: 4;
}

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

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

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

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

ul,
ol {
  list-style: none;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-4) 0;
}

::selection {
  background-color: var(--brass-100);
  color: var(--color-text);
}

/* ------------------------------------------------------------------
   Focus Ring
   ------------------------------------------------------------------ */
*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 3px var(--color-primary-ring);
}

/* ------------------------------------------------------------------
   Scrollbar
   ------------------------------------------------------------------ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--cream-500);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--cream-700);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--cream-500) transparent;
}

/* ------------------------------------------------------------------
   Headings
   ------------------------------------------------------------------ */
h1, h2, h3, h4 {
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.025em;
}

h2 {
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--text-xl);
}

h4 {
  font-size: var(--text-lg);
}

/* ------------------------------------------------------------------
   Text Utilities
   ------------------------------------------------------------------ */
.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md   { font-size: var(--text-md); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.text-3xl  { font-size: var(--text-3xl); }

.text-muted     { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-primary   { color: var(--color-primary); }
.text-success   { color: var(--color-success); }
.text-danger    { color: var(--color-danger); }
.text-warning   { color: var(--color-warning); }
.text-info      { color: var(--color-info); }
.text-inverse   { color: var(--color-text-inverse); }

.text-left   { text-align: left; }
.text-center { text-align: center; }
.text-right  { text-align: right; }

.text-uppercase  { text-transform: uppercase; }
.text-capitalize { text-transform: capitalize; }
.text-nowrap     { white-space: nowrap; }

/* ------------------------------------------------------------------
   Font Weight Utilities
   ------------------------------------------------------------------ */
.font-light    { font-weight: var(--font-light); }
.font-regular  { font-weight: var(--font-regular); }
.font-medium   { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold     { font-weight: var(--font-bold); }

/* ------------------------------------------------------------------
   Flexbox Utilities
   ------------------------------------------------------------------ */
.flex          { display: flex; }
.inline-flex   { display: inline-flex; }
.flex-col      { flex-direction: column; }
.flex-row      { flex-direction: row; }
.flex-wrap     { flex-wrap: wrap; }
.flex-1        { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-grow     { flex-grow: 1; }

.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; }

.self-start  { align-self: flex-start; }
.self-center { align-self: center; }
.self-end    { align-self: flex-end; }

.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-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

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

/* ------------------------------------------------------------------
   Spacing Utilities
   ------------------------------------------------------------------ */
/* Margin top */
.mt-0  { margin-top: 0; }
.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); }
.mt-5  { margin-top: var(--space-5); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }

/* Margin bottom */
.mb-0  { margin-bottom: 0; }
.mb-1  { margin-bottom: var(--space-1); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-3  { margin-bottom: var(--space-3); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-5  { margin-bottom: var(--space-5); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* Margin left */
.ml-0  { margin-left: 0; }
.ml-1  { margin-left: var(--space-1); }
.ml-2  { margin-left: var(--space-2); }
.ml-3  { margin-left: var(--space-3); }
.ml-4  { margin-left: var(--space-4); }
.ml-auto { margin-left: auto; }

/* Margin right */
.mr-0  { margin-right: 0; }
.mr-1  { margin-right: var(--space-1); }
.mr-2  { margin-right: var(--space-2); }
.mr-3  { margin-right: var(--space-3); }
.mr-4  { margin-right: var(--space-4); }
.mr-auto { margin-right: auto; }

/* Margin x/y */
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0  { padding: 0; }
.p-1  { padding: var(--space-1); }
.p-2  { padding: var(--space-2); }
.p-3  { padding: var(--space-3); }
.p-4  { padding: var(--space-4); }
.p-5  { padding: var(--space-5); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }

/* Padding x */
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

/* Padding y */
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }

/* Padding individual */
.pt-0 { padding-top: 0; }
.pt-2 { padding-top: var(--space-2); }
.pt-4 { padding-top: var(--space-4); }
.pb-0 { padding-bottom: 0; }
.pb-2 { padding-bottom: var(--space-2); }
.pb-4 { padding-bottom: var(--space-4); }

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

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

.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

/* ------------------------------------------------------------------
   Position & Border
   ------------------------------------------------------------------ */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky   { position: sticky; }

.rounded-sm   { border-radius: var(--radius-sm); }
.rounded-md   { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-xl   { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.border       { border: 1px solid var(--color-border); }
.border-b     { border-bottom: 1px solid var(--color-border); }
.border-t     { border-top: 1px solid var(--color-border); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ------------------------------------------------------------------
   Cursor
   ------------------------------------------------------------------ */
.cursor-pointer  { cursor: pointer; }
.cursor-default  { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }
.pointer-events-none { pointer-events: none; }

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

/* ------------------------------------------------------------------
   Transitions
   ------------------------------------------------------------------ */
.transition {
  transition-property: color, background-color, border-color, box-shadow, opacity, transform;
  transition-duration: 200ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-fast {
  transition-property: color, background-color, border-color, box-shadow, opacity, transform;
  transition-duration: 150ms;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ------------------------------------------------------------------
   Skeleton Loading Animation
   ------------------------------------------------------------------ */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--cream-300) 25%,
    var(--cream-100) 50%,
    var(--cream-300) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
  color: transparent !important;
  user-select: none;
  pointer-events: none;
}

.skeleton-text {
  composes: skeleton;
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-circle {
  composes: skeleton;
  border-radius: var(--radius-full);
}

/* ------------------------------------------------------------------
   Screen Reader Only
   ------------------------------------------------------------------ */
.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;
}