:root {
  --bg: #0b1020;
  --surface: #0f172a;
  --surface-alt: #111c38;
  --accent: #18e0c4;
  --accent-2: #3b82f6;
  --text: #f8fafc;
  --muted: #e5e7eb;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 20px 50px rgba(3, 7, 18, 0.45);
  --nav-bg: rgba(15, 23, 42, 0.9);
  --panel-bg: rgba(15, 23, 42, 0.85);
  --panel-bg-soft: rgba(15, 23, 42, 0.7);
  --input-bg: rgba(15, 23, 42, 0.85);
}

html[data-theme="light"] {
  --bg: #f5f8ff;
  --surface: #ffffff;
  --surface-alt: #f1f5f9;
  --accent: #0284c7;
  --accent-2: #1d4ed8;
  --text: #0f172a;
  --muted: #334155;
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
  --nav-bg: rgba(255, 255, 255, 0.95);
  --panel-bg: rgba(255, 255, 255, 0.9);
  --panel-bg-soft: rgba(255, 255, 255, 0.75);
  --input-bg: rgba(255, 255, 255, 0.95);
}

html,
body {
  height: 100%;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background-color: var(--bg) !important;
  background-image: radial-gradient(circle at top, rgba(24, 224, 196, 0.14), transparent 45%),
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.18), transparent 45%);
  background-attachment: fixed;
  color: var(--text);
}

html[data-theme="light"] body {
  background-image: radial-gradient(circle at top, rgba(2, 132, 199, 0.2), transparent 48%),
    radial-gradient(circle at 80% 0%, rgba(29, 78, 216, 0.18), transparent 50%);
}

html[lang="ar"] body {
  font-family: "Cairo", sans-serif;
}

.bg-surface {
  background-color: transparent;
}

.glass-nav {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  box-shadow: 0 12px 30px rgba(3, 7, 18, 0.35);
}

body {
  padding-top: 76px;
}

.navbar-brand {
  letter-spacing: 0.5px;
}

.navbar-toggler {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.55);
  display: grid;
  place-items: center;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  width: 1.4rem;
  height: 1.4rem;
}

html[data-theme="light"] .navbar-toggler {
  background: rgba(255, 255, 255, 0.7);
}

.mobile-nav.offcanvas {
  --bs-offcanvas-width: 100%;
  --bs-offcanvas-bg: #0b1020;
  background: linear-gradient(135deg, #0b1020 0%, #0f172a 100%);
  color: var(--text);
  border-left: 1px solid var(--border);
}

html[data-theme="light"] .mobile-nav.offcanvas {
  --bs-offcanvas-bg: #ffffff;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  color: #0f172a;
}

.mobile-nav .offcanvas-header {
  border-bottom: 1px solid var(--border);
}

.mobile-nav-close {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  display: grid;
  place-items: center;
  transition: transform 0.15s ease, background 0.15s ease;
}

.mobile-nav-close:hover {
  transform: translateY(-1px);
  background: rgba(30, 41, 59, 0.8);
}

.mobile-actions .mobile-action-btn {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  padding: 0;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  margin-bottom: 0.4rem;
  background: rgba(15, 23, 42, 0.4);
  color: var(--text);
  font-weight: 600;
}

.mobile-nav-link:hover {
  background: rgba(45, 212, 191, 0.16);
  color: var(--text);
}

.mobile-nav-link.active {
  background: rgba(24, 224, 196, 0.2);
  color: var(--accent);
}

html[dir="rtl"] .mobile-nav-link {
  text-align: right;
}

html[data-theme="light"] .navbar-brand {
  color: #0f172a;
}

html[data-theme="light"] .navbar-brand:hover {
  color: #0f172a;
}

.navbar-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.footer-logo {
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-link:hover img {
  transform: translateY(-2px) scale(1.03);
  filter: brightness(1.05);
}
.nav-profile {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
  padding: 0;
  line-height: 0;
  flex: 0 0 auto;
  align-self: center;
}

.nav-profile img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.nav-profile i {
  font-size: 1rem;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--muted);
  position: relative;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--accent);
}

.navbar-dark .navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0.8rem;
  right: 0.8rem;
  bottom: 0.2rem;
  height: 2px;
  background: var(--accent);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.active::after {
  transform: scaleX(1);
}

html[data-theme="light"] .navbar-dark .navbar-nav .nav-link {
  color: #475569;
}

html[data-theme="light"] .navbar-dark .navbar-nav .nav-link:hover,
html[data-theme="light"] .navbar-dark .navbar-nav .nav-link.active {
  color: var(--accent-2);
}

html[data-theme="light"] .navbar-dark .navbar-nav .nav-link::after {
  background: var(--accent-2);
}

.nav-icon {
  font-size: 1.05rem;
  color: var(--accent);
  opacity: 0.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.navbar-dark .navbar-nav .nav-link:hover .nav-icon,
.navbar-dark .navbar-nav .nav-link.active .nav-icon {
  opacity: 1;
  transform: translateY(-1px);
}

html[data-theme="light"] .nav-icon {
  color: var(--accent-2);
}

.section-title {
  color: var(--text);
  text-shadow: 0 2px 8px rgba(3, 7, 18, 0.45);
}

.text-muted {
  color: var(--muted) !important;
}

a {
  color: var(--accent-2);
}

a:hover {
  color: #93c5fd;
}

.hero {
  background: linear-gradient(120deg, rgba(24, 224, 196, 0.26), rgba(59, 130, 246, 0.22)),
    var(--surface-alt);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-inner {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel-bg-soft);
}

.hero-panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.stat-value {
  font-size: 1.5rem;
  color: var(--accent);
}

.tool-card,
.category-card,
.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tool-card .card-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 3.9em;
}

.category-card .card-text {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.6em;
}

.tool-card-media,
.tool-detail-media {
  display: block;
  color: inherit;
  text-decoration: none;
}

.tool-card-media:focus-visible,
.tool-detail-media:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 16px;
}

.tool-card:hover,
.category-card:hover,
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(3, 7, 18, 0.6);
}

.tool-card-img,
.blog-card-img {
  height: 180px;
  background-position: center;
}

.tool-card-img {
  background-size: contain;
  background-repeat: no-repeat;
  background-color: var(--surface-alt);
}

.blog-card-img {
  background-size: cover;
  background-repeat: no-repeat;
}

.category-card {
  text-align: center;
}

.icon-circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto;
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent);
  font-size: 1.5rem;
}

.bg-soft {
  background: rgba(59, 130, 246, 0.28);
  color: #f8fbff;
}

.badge-link {
  text-decoration: none;
}

.badge-link:hover {
  filter: brightness(1.1);
}

.tool-detail-image {
  height: 320px;
  border-radius: 20px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background-color: var(--surface-alt);
}

.review-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.review-item:last-child {
  border-bottom: none;
}

.blog-hero {
  height: 320px;
  border-radius: 24px;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.blog-content p {
  color: var(--muted);
  line-height: 1.8;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.form-control,
.form-select {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.form-control::placeholder {
  color: #9fb0c8;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(45, 212, 191, 0.25);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  border: none;
}

.btn-nav {
  background: #00ced1;
  border: 1px solid #00ced1;
  color: #0b1020;
  box-shadow: var(--shadow);
}

.btn-nav:hover {
  color: #0b1020;
  background: #00b8bb;
}

html[data-theme="light"] .btn-nav {
  background: #00ced1;
  color: #0b1020;
}

html[data-theme="light"] .btn-nav:hover {
  background: #039699;
  color: #0b1020;
}

.btn {
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(3, 7, 18, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-outline-light {
  border-color: var(--border);
  color: var(--text);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

html[data-theme="light"] .btn-outline-light:hover {
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.9);
}

.profile-tabs {
  border-bottom: 1px solid var(--border);
}

.profile-tabs .nav-link {
  color: var(--muted);
  border: none;
}

.profile-tabs .nav-link.active {
  color: #ffffff;
  background: rgba(96, 165, 250, 0.18);
  border-radius: 10px;
}

.badge {
  color: #f8fafc;
}

.badge.bg-warning {
  color: #1e293b;
}

.badge.bg-info {
  background-color: #0ea5e9;
  color: #f8fafc;
}

html[data-theme="light"] .bg-soft {
  background: rgba(29, 78, 216, 0.18);
  color: #1e3a8a;
}

html[data-theme="light"] .badge {
  color: #0f172a;
}

html[data-theme="light"] .badge.bg-warning {
  color: #1e293b;
}

.footer {
  border-top: 1px solid var(--border);
  background: var(--nav-bg);
}

.featured-slider {
  display: flex;
  align-items: center;
  gap: 12px;
}

.featured-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
  flex: 1;
}

.featured-track::-webkit-scrollbar {
  height: 6px;
}

.featured-track::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 999px;
}

.featured-item {
  flex: 0 0 320px;
  scroll-snap-align: start;
}

.slider-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  display: grid;
  place-items: center;
}

.slider-btn:hover {
  background: rgba(30, 41, 59, 0.95);
}

.footer-credit {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-brand {
  flex-wrap: wrap;
}

.footer-logo {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.footer .text-muted {
  color: #f1f5f9 !important;
}

html[data-theme="light"] .footer .text-muted,
html[data-theme="light"] .footer-credit,
html[data-theme="light"] .footer small {
  color: #0f172a !important;
}

html[data-theme="light"] .footer .text-light {
  color: #0f172a !important;
}

.theme-toggle {
  position: relative;
  width: 42px;
  height: 32px;
  padding: 0;
  display: grid;
  place-items: center;
}

.theme-icon {
  position: absolute;
  font-size: 1rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.theme-icon-sun {
  opacity: 0;
  transform: scale(0.8);
}

.theme-icon-moon {
  opacity: 1;
  transform: scale(1);
}

html[data-theme="light"] .theme-icon-sun {
  opacity: 1;
  transform: scale(1);
}

html[data-theme="light"] .theme-icon-moon {
  opacity: 0;
  transform: scale(0.8);
}

.chatbot {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1050;
}

.chatbot-toggle {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, box-shadow 0.15s ease;
}

.chatbot-toggle:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px rgba(3, 7, 18, 0.4);
}

.robot-icon {
  width: 36px;
  height: 36px;
  display: block;
}

.robot-icon rect {
  fill: currentColor;
}

.chatbot-panel {
  position: absolute;
  right: 0;
  bottom: 70px;
  width: 320px;
  max-height: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.chatbot.open .chatbot-panel {
  display: flex;
}

.chatbot-header {
  padding: 12px 14px;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-close {
  border: none;
  background: transparent;
  color: var(--text);
}

.chatbot-messages {
  padding: 12px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chatbot-bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.chatbot-bubble.user {
  align-self: flex-end;
  background: var(--accent-2);
  color: #fff;
}

.chatbot-bubble.bot {
  align-self: flex-start;
  background: var(--surface-alt);
  color: var(--text);
}

.chatbot-bubble a {
  color: var(--accent-2);
  text-decoration: underline;
}

.chatbot-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.chatbot-form .form-control {
  font-size: 0.9rem;
}

.chatbot-form .btn {
  padding: 0.4rem 0.7rem;
}

@media (max-width: 576px) {
  body {
    padding-top: 68px;
  }
  .chatbot {
    right: 16px;
    bottom: 16px;
  }
  .chatbot-panel {
    width: 280px;
  }
}

.avatar {
  width: 90px;
  height: 90px;
  object-fit: cover;
}

.placeholder-avatar {
  display: grid;
  place-items: center;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.15);
  color: var(--accent-2);
  font-size: 2rem;
}

@media (max-width: 768px) {
  .hero-panel {
    grid-template-columns: 1fr;
  }
  .tool-detail-image,
  .blog-hero {
    height: 240px;
  }
  .slider-btn {
    display: none;
  }
  .featured-item {
    flex: 0 0 260px;
  }
}

@media (max-width: 576px) {
  body {
    font-size: 0.95rem;
  }

  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .navbar-brand {
    font-size: 1rem;
  }

  .navbar-logo {
    width: 30px;
    height: 30px;
  }

  .nav-profile {
    width: 28px;
    height: 28px;
  }

  .display-5 {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .hero-inner {
    padding: 18px !important;
  }

  .hero-panel {
    padding: 16px;
  }

  .tool-card-img,
  .blog-card-img {
    height: 150px;
  }

  .tool-card .card-text {
    -webkit-line-clamp: 2;
    min-height: 2.6em;
  }

  .category-card .card-text {
    -webkit-line-clamp: 2;
    min-height: 2.6em;
  }

  .tool-detail-image,
  .blog-hero {
    height: 200px;
  }

  .btn-lg {
    padding: 0.6rem 0.9rem;
    font-size: 0.95rem;
  }

  .form-control-lg,
  .form-select-lg {
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
  }

  .theme-toggle {
    width: 38px;
    height: 30px;
  }

  .featured-item {
    flex: 0 0 230px;
  }
}