/**
 * ============================================================
 * DALEL - Base Styles
 * Reset, base HTML/body, RTL defaults, utilities
 * ============================================================
 */

/* ========== Google Fonts ========== */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-family);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: var(--line-height-normal);
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

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

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

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

/* Screen reader only */
.u-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Display */
.u-hidden { display: none !important; }
.u-block { display: block; }
.u-inline-block { display: inline-block; }
.u-flex { display: flex; }
.u-inline-flex { display: inline-flex; }
.u-grid { display: grid; }

/* Flexbox */
.u-flex-col { flex-direction: column; }
.u-flex-wrap { flex-wrap: wrap; }
.u-items-center { align-items: center; }
.u-items-start { align-items: flex-start; }
.u-items-end { align-items: flex-end; }
.u-justify-center { justify-content: center; }
.u-justify-between { justify-content: space-between; }
.u-justify-start { justify-content: flex-start; }
.u-justify-end { justify-content: flex-end; }
.u-flex-1 { flex: 1; }
.u-flex-shrink-0 { flex-shrink: 0; }

/* Gap utilities */
.u-gap-4 { gap: var(--space-4); }
.u-gap-6 { gap: var(--space-6); }
.u-gap-8 { gap: var(--space-8); }
.u-gap-10 { gap: var(--space-10); }
.u-gap-12 { gap: var(--space-12); }
.u-gap-16 { gap: var(--space-16); }
.u-gap-20 { gap: var(--space-20); }
.u-gap-24 { gap: var(--space-24); }

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

/* Text colors */
.u-text-primary { color: var(--c-primary); }
.u-text-muted { color: var(--c-muted); }
.u-text-danger { color: var(--c-danger); }
.u-text-success { color: var(--c-success); }

/* Background colors */
.u-bg-white { background-color: var(--c-bg-white); }
.u-bg-light { background-color: var(--c-bg); }
.u-bg-primary { background-color: var(--c-primary); }
.u-bg-primary-light { background-color: var(--c-primary-light); }

/* Width */
.u-w-full { width: 100%; }
.u-w-auto { width: auto; }

/* Margin utilities */
.u-m-0 { margin: 0; }
.u-mt-auto { margin-top: auto; }
.u-mr-auto { margin-right: auto; }
.u-mb-0 { margin-bottom: 0; }
.u-mb-8 { margin-bottom: var(--space-8); }
.u-mb-12 { margin-bottom: var(--space-12); }
.u-mb-16 { margin-bottom: var(--space-16); }
.u-mb-24 { margin-bottom: var(--space-24); }
.u-mb-32 { margin-bottom: var(--space-32); }

/* Padding utilities */
.u-p-0 { padding: 0; }
.u-p-16 { padding: var(--space-16); }
.u-p-24 { padding: var(--space-24); }

/* Border radius */
.u-rounded { border-radius: var(--radius-md); }
.u-rounded-lg { border-radius: var(--radius-lg); }
.u-rounded-full { border-radius: var(--radius-full); }

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

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

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

/* Transitions */
.u-transition { transition: all var(--transition-base); }

/* White-space */
.u-nowrap { white-space: nowrap; }

/* Direction (for RTL) */
.u-ltr { direction: ltr; }
.u-rtl { direction: rtl; }

/* ========== Image Placeholder ========== */
.c-img-placeholder {
  background: linear-gradient(145deg, #e8eef3 0%, #d5dde5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
}

/* ========== Responsive Utilities ========== */

/* Hide on mobile */
@media (max-width: 640px) {
  .u-hide-mobile { display: none !important; }
}

/* Hide on tablet and up */
@media (min-width: 641px) {
  .u-hide-tablet-up { display: none !important; }
}

/* Hide on desktop */
@media (min-width: 1025px) {
  .u-hide-desktop { display: none !important; }
}

/* Show only on mobile */
@media (max-width: 640px) {
  .u-show-mobile { display: block; }
}

/* Show only on tablet */
@media (min-width: 641px) and (max-width: 1024px) {
  .u-show-tablet { display: block; }
}

/* Show only on desktop */
@media (min-width: 1025px) {
  .u-show-desktop { display: block; }
}