/* ============================================
   LearnQuranwords — Centralized CSS
   Purple Theme with Islamic Geometric Pattern
   ============================================ */

/* ========== THEMING — CENTRALIZED VARS ========== */
/* Single source of truth for the purple theme.
   styles.css is loaded after inline <style> blocks so
   natural cascade order applies — no !important needed. */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --accent: #ffffff;
  --accent-light: #e0e0e0;
  --bg-dark: #0f0a1e;
  --bg-mid: #1a1033;
  --bg-card: rgba(26, 16, 51, 0.8);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(167, 139, 250, 0.15);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --text-primary: #f5f3ff;
  --text-secondary: #c4b5fd;
  --text-muted: #a78bfa;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== CSS RESET & BASE ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ========== BASE TYPOGRAPHY ========== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ========== BASE HEADINGS ========== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(28px, 5vw, 42px); }
h2 { font-size: clamp(22px, 4vw, 30px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
h4 { font-size: 20px; }
h5 { font-size: 17px; }
h6 { font-size: 15px; }

/* ========== ANIMATED BACKGROUND ========== */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 30% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 80% 100% at 70% 80%, rgba(167, 139, 250, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 60% 40%, rgba(124, 58, 237, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(15, 10, 30, 1) 0%, rgba(26, 16, 51, 0.9) 100%);
}

/* Seamless Islamic Geometric Pattern - 8-point star (Rub el Hizb inspired) */
.bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-color: transparent;
  background-image: url('data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 width=%2280%22 height=%2280%22 viewBox=%220 0 80 80%22><defs><pattern id=%22islamic-star%22 x=%220%22 y=%220%22 width=%2280%22 height=%2280%22 patternUnits=%22userSpaceOnUse%22><rect width=%2280%22 height=%2280%22 fill=%22transparent%22/><g fill=%22none%22 stroke=%22%23ffffff%22 stroke-width=%220.5%22 opacity=%220.6%22><polygon points=%2240,5 43,18 56,10 50,23 65,22 55,33 70,38 55,42 65,53 50,52 56,65 43,57 40,70 37,57 24,65 30,52 15,53 25,42 10,38 25,33 15,22 30,23 24,10 37,18%22/><circle cx=%2240%22 cy=%2240%22 r=%228%22/><polygon points=%2240,28 44,38 54,38 46,45 49,55 40,49 31,55 34,45 26,38 36,38%22 opacity=%220.5%22/></g><circle cx=%220%22 cy=%220%22 r=%221%22 fill=%22%23ffffff%22 opacity=%220.3%22/><circle cx=%2280%22 cy=%220%22 r=%221%22 fill=%22%23ffffff%22 opacity=%220.3%22/><circle cx=%220%22 cy=%2280%22 r=%221%22 fill=%22%23ffffff%22 opacity=%220.3%22/><circle cx=%2280%22 cy=%2280%22 r=%221%22 fill=%22%23ffffff%22 opacity=%220.3%22/><circle cx=%2240%22 cy=%220%22 r=%220.8%22 fill=%22%23ffffff%22 opacity=%220.25%22/><circle cx=%2240%22 cy=%2280%22 r=%220.8%22 fill=%22%23ffffff%22 opacity=%220.25%22/><circle cx=%220%22 cy=%2240%22 r=%220.8%22 fill=%22%23ffffff%22 opacity=%220.25%22/><circle cx=%2280%22 cy=%2240%22 r=%220.8%22 fill=%22%23ffffff%22 opacity=%220.25%22/></pattern></defs><rect width=%2280%22 height=%2280%22 fill=%22url(%23islamic-star)%22/></svg>');
}

.bg-pattern::before {
  content: '';
  position: absolute;
  inset: -20px;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 18px, rgba(167, 139, 250, 0.015) 18px, rgba(167, 139, 250, 0.015) 19px),
    repeating-linear-gradient(-45deg, transparent, transparent 18px, rgba(167, 139, 250, 0.015) 18px, rgba(167, 139, 250, 0.015) 19px);
  background-size: 80px 80px;
}

.floating-orbs {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.floating-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float-orb 20s ease-in-out infinite;
}

.orb-1,
.floating-orb:nth-child(3) {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.orb-2,
.floating-orb:nth-child(4) {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.25) 0%, transparent 70%);
  bottom: -50px;
  right: -50px;
  animation-delay: -7s;
}

.orb-3,
.floating-orb:nth-child(5) {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  top: 40%;
  left: 60%;
  animation-delay: -14s;
}

.orb-4 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  bottom: 20%;
  left: 20%;
  animation-delay: -5s;
}

@keyframes float-orb {
  0% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.02); }
}

/* ========== LAYOUT ========== */
.app-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  max-width: 1680px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

main {
  flex: 1;
}

/* ========== NAVBAR ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  background: rgba(15, 10, 30, 0.7);
  border-bottom: 1px solid rgba(167, 139, 250, 0.1);
  transition: var(--transition-smooth);
}

.navbar-inner {
  max-width: 1560px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.nav-brand:hover {
  opacity: 0.9;
}

.nav-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.3);
}

.nav-brand-text {
  font-family: 'Inter';
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-brand-text span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--glass);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
}

/* ========== SAVED COUNT BADGE ========== */
.saved-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  margin-left: 4px;
  transition: var(--transition-fast);
}

.saved-count:empty,
.saved-count[data-count='0'] {
  display: none;
}

@keyframes saved-badge-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.saved-count.pop {
  animation: saved-badge-pop 0.35s ease-out;
}

/* ========== SCROLL TO TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ========== FOOTER ========== */
.site-footer,
.footer {
  text-align: center;
  padding: 32px 24px;
  margin-top: auto;
  border-top: 1px solid var(--glass-border);
  background: rgba(15, 10, 30, 0.5);
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.site-footer a,
.footer a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

.site-footer a:hover,
.footer a:hover {
  text-decoration-style: solid;
}

.footer-content {
  max-width: 1560px;
  margin: 0 auto;
}

.footer-verse {
  font-family: 'Amiri', serif;
  font-size: 18px;
  color: var(--text-secondary);
  direction: rtl;
  line-height: 1.9;
  margin-bottom: 8px;
  text-rendering: optimizeLegibility;
}

.footer-reference {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--glass);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: var(--glass-hover);
  border-color: rgba(167, 139, 250, 0.25);
}

.btn-accent {
  background: var(--accent);
  color: var(--bg-dark);
  box-shadow: 0 2px 12px rgba(255, 255, 255, 0.2);
}

.btn-accent:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* ========== CARDS ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: rgba(167, 139, 250, 0.25);
  background: rgba(26, 16, 51, 0.9);
}

/* ========== SEARCH INPUT ========== */
.search-container {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition-fast);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--glass-hover);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* ========== SECTION HEADERS ========== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
}

/* ========== HAMBURGER MENU ========== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.nav-hamburger:hover {
  background: var(--glass);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: var(--transition-fast);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--accent);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--accent);
}

/* ========== MOBILE MENU ========== */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  flex-direction: column;
  padding: 24px;
  gap: 4px;
  background: rgba(15, 10, 30, 0.98);
  backdrop-filter: blur(30px) saturate(1.5);
  -webkit-backdrop-filter: blur(30px) saturate(1.5);
  z-index: 99;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-mobile-menu.open {
  display: flex;
  animation: menuFadeIn 0.25s ease-out;
}

@keyframes menuFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.nav-mobile-menu .nav-link {
  padding: 16px 20px;
  font-size: 16px;
  border-radius: var(--radius-md);
  text-align: left;
  width: 100%;
  border: 1px solid transparent;
}

.nav-mobile-menu .nav-link:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border);
}

.nav-mobile-menu .nav-link.active {
  background: rgba(124, 58, 237, 0.15);
  border-color: rgba(124, 58, 237, 0.3);
  color: var(--accent);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links { display: none !important; }
  .navbar-inner { height: 56px; }
  .nav-brand-text { font-size: 16px; }
  .main-content { padding: 0 16px; }
  /* Prevent horizontal overflow on mobile */
  body {
    overflow-x: hidden;
  }
  .app-container {
    overflow-x: hidden;
  }
  .main-content {
    overflow-x: hidden;
  }
}

@media (min-width: 769px) {
  .nav-mobile-menu { display: none !important; }
  .nav-hamburger { display: none !important; }
}

/* ========== SIMILAR WORDS PAGE ========== */
.similar-section {
  max-width: 920px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  width: 100%;
}

.similar-hero {
  text-align: center;
  margin-bottom: 48px;
}

.similar-hero h1 {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.2;
}

.similar-hero h1 span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.similar-hero p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Category filter */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.category-chip {
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: 'Inter', sans-serif;
}

.category-chip:hover {
  background: var(--glass-hover);
  color: var(--text-secondary);
}

.category-chip.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--accent);
}

/* Pair count */
.pair-count {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

/* ========== PAIR SAVE BUTTON ========== */
.pair-save-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  padding: 0;
  font-size: 16px;
  line-height: 1;
}

.pair-save-btn:hover {
  background: var(--glass-hover);
  color: var(--accent);
  border-color: rgba(255, 255, 255, 0.3);
}

.pair-save-btn.saved {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--accent);
}

.pair-save-btn.saved:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ========== PAIR CARDS ========== */
.pair-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pair-card {
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(40px) saturate(1.2);
  -webkit-backdrop-filter: blur(40px) saturate(1.2);
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
}

.pair-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(167,139,250,0.06) 0%, transparent 40%, transparent 60%, rgba(251,191,36,0.03) 100%);
  pointer-events: none;
}

.pair-card:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.pair-card-inner {
  position: relative;
  z-index: 1;
}

.pair-category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.pair-category-badge.swap {
  background: rgba(220, 60, 60, 0.1);
  border: 1px solid rgba(220, 60, 60, 0.2);
  color: #e87070;
}

.pair-category-badge.vowel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
}

.pair-category-badge.added {
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  color: var(--primary-light);
}

.pair-words {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  word-break: break-word;
  overflow-wrap: break-word;
}

.pair-word {
  text-align: center;
  padding: 12px;
}

.pair-word-arabic {
  font-family: 'Scheherazade New', 'Amiri', serif;
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 700;
  color: var(--text-primary);
  direction: rtl;
  line-height: 1.4;
  margin-bottom: 4px;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "mark" 1, "mkmk" 1;
  letter-spacing: normal;
}

.pair-word-translit {
  font-size: 17px;
  font-weight: 600;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 4px;
}

.pair-word-meaning {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.pair-word-freq {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.8;
}

.pair-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ========== TIP CARD ========== */
.tip-card {
  border-radius: var(--radius-xl);
  background: rgba(108, 74, 186, 0.08);
  border: 1px solid rgba(108, 74, 186, 0.2);
  padding: 28px 32px;
  margin-top: 40px;
  margin-bottom: 20px;
  position: relative;
}

.tip-card h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tip-card h2 .card-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.tip-card p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 10px;
  line-height: 1.75;
}

.tip-card p:last-child {
  margin-bottom: 0;
}

/* ========== CTA ========== */
.about-cta {
  text-align: center;
  padding: 48px 24px;
  margin-top: 16px;
}

.about-cta h2 {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 700;
  margin-bottom: 12px;
}

.about-cta h2 span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-cta p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ========== NO RESULTS ========== */
.no-results {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.no-results-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.no-results-text {
  font-size: 16px;
  color: var(--text-secondary);
}

/* ========== LOAD MORE ========== */
.load-more-container {
  display: flex;
  justify-content: center;
  padding: 24px 0 8px;
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: var(--transition-fast);
}

.load-more-btn:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

.load-more-btn:active {
  transform: translateY(0);
}

.load-more-btn svg {
  transition: transform var(--transition-fast);
}

.load-more-btn:hover svg {
  transform: translateY(2px);
}

/* ========== SIMILAR WORDS RESPONSIVE ========== */
@media (max-width: 768px) {
  .similar-section {
    padding: 40px 16px 24px;
  }
  .pair-card {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }
  .pair-words {
    grid-template-columns: 1fr auto 1fr;
    gap: 12px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .pair-word-arabic {
    font-size: clamp(26px, 5vw, 38px);
    line-height: 1.3;
  }
  .pair-word {
    padding: 8px;
  }
}

@media (max-width: 480px) {
  .pair-words {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .pair-word {
    padding: 12px 0;
  }
  .pair-vs {
    margin: 4px auto;
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  .pair-card {
    padding: 18px 14px;
  }
  .category-filters {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }
  .category-chip {
    flex-shrink: 0;
  }
}

/* ========== ACCESSIBILITY ========== */
.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;
}

.skip-nav {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--primary);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s;
}

.skip-nav:focus {
  top: 8px;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}