/* =================================== */
/*      1. Global Styles & Variables      */
/* =================================== */
:root {
  /* Light Theme Colors (Default) */
  --primary-color: #1e3a8a; 
  --secondary-color: #3b82f6;
  --accent-color: #f59e0b; 

  --bg-color: #f8f9fa;
  --surface-color: #ffffff; 
  --surface-scrolled: rgba(255, 255, 255, 0.8);

  --text-primary: #212529;
  --text-secondary: #6c757d;
  --light-text: #ffffff;
  --border-color: #e2e8f0;

  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  
  --font-ar: 'Tajawal', sans-serif;
  --font-ltr: 'Poppins', sans-serif;
}

/* -------------------------------------------------- */
/*      JAW-DROPPING DARK THEME by AI                 */
/* -------------------------------------------------- */
html[data-theme="dark"] {
  /* --- START: Revamped Dark Theme Palette --- */
  --primary-color: #22D3EE;      /* Vibrant Cyan for main accents (titles) */
  --secondary-color: #38BDF8;    /* Bright Sky Blue for interactive elements */
  --accent-color: #f59e0b;      /* Yellow accent remains for contrast */

  --bg-color: #0F172A;          /* Deep, dark slate-blue background */
  --surface-color: #1E293B;     /* Lighter slate for cards/surfaces */
  --surface-scrolled: rgba(30, 41, 59, 0.8); /* Dark, translucent scrolled navbar */
  
  --text-primary: #E2E8F0;      /* Light gray (off-white) for primary text */
  --text-secondary: #94A3B8;    /* Softer gray for secondary text */
  --light-text: #ffffff;        /* Pure white for text on colored backgrounds */
  --border-color: #334155;      /* Subtle but visible slate border */

  --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  /* --- END: Revamped Dark Theme Palette --- */
}


/* Add smooth transitions for color changes */
body, .navbar, .card, .skill-category, .experience-card, .social-icon, .btn, .navbar-collapse, .navbar-toggler-icon, .section-title, .progress-container, .skill-pill {
    transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.7; 
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Override Bootstrap muted text color for theme consistency */
.text-muted {
  color: var(--text-secondary) !important;
}

/* =================================== */
/*          General Card Styles           */
/* =================================== */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
}

.card-title {
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
}

/* =================================== */
/*              2. Navbar                 */
/* =================================== */
.navbar {
  transition: all 0.4s ease-out;
  padding: 1rem 0;
}

.navbar.scrolled {
  background-color: var(--surface-scrolled);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--card-shadow);
  padding: 0.5rem 0;
}

.navbar .navbar-brand,
.navbar .nav-link {
  color: var(--light-text);
  font-weight: 600;
}

.navbar.scrolled .navbar-brand,
.navbar.scrolled .nav-link {
  color: var(--primary-color);
}

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

.navbar-toggler {
  border: none;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar.scrolled .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' stroke='rgb(30, 58, 138)' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
html[data-theme="dark"] .navbar.scrolled .navbar-toggler-icon {
    /* Updated to use the new primary color variable for dark mode */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' stroke='rgb(34, 211, 238)' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#language-switcher .dropdown-menu {
  min-width: auto;
}

/* =================================== */
/*           3. Hero Section              */
/* =================================== */
.bg-parallax {
  position: relative;
  height: 100vh;
  background-color: var(--primary-color);
}

#particles-js {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(30, 58, 138, 0.9), rgba(59, 130, 246, 0.85));
}
html[data-theme="dark"] #particles-js {
  background: linear-gradient(45deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.85));
}

.hero-content {
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.profile-img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform 0.4s ease-in-out;
}
.profile-img:hover {
  transform: scale(1.05) rotate(2deg);
}

/* =================================== */
/*         4. General Sections         */
/* =================================== */
section {
  padding: 40px 0;
  overflow: hidden;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4rem;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  width: 80px;
  height: 5px;
  background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
  border-radius: 3px;
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

#about img.profile-img {
    width: 280px;
    height: 280px;
    border-radius: 20px;
}

/* =================================== */
/*          5. Skills Section (New 3-column) */
/* =================================== */
.skill-category {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
}
.skill-category:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-hover-shadow);
}

.skill-category h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--bg-color);
  display: flex;
  align-items: center;
}

.skill-bar .skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.progress-container {
  width: 100%;
  background-color: var(--border-color);
  border-radius: 50px;
}

.progress-bar {
  height: 14px;
  width: 0%;
  background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
  border-radius: 50px;
  transition: width 1.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.skills-pills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 10px;
}

.skill-pill {
  background-color: color-mix(in srgb, var(--secondary-color) 15%, transparent);
  color: var(--secondary-color);
  padding: 8px 18px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.9rem;
}

.skill-pill:hover {
  background-color: var(--secondary-color);
  color: var(--light-text);
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* =================================== */
/*  6. Experience Section (New Card-based) */
/* =================================== */
.experience-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
    position: relative;
}

.experience-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-hover-shadow);
}

.experience-card .experience-icon {
    position: absolute;
    top: 2.5rem;
    background-color: var(--secondary-color);
    color: var(--light-text);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.experience-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

/* =================================== */
/*          7. Projects Section           */
/* =================================== */
.project-card {
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-hover-shadow);
}

.project-card .card-img-top {
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .card-img-top {
  transform: scale(1.08);
}

.project-card .btn-primary, .btn-primary {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  font-weight: 600;
  padding: 10px 20px;
  color: var(--light-text);
  transition: all 0.2s ease-in-out;
}
.project-card .btn-primary:hover, .btn-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px color-mix(in srgb, var(--secondary-color) 40%, transparent);
}

/* =================================== */
/*          8. Contact Section           */
/* =================================== */
#contact .card {
    background-color: transparent;
    border: none;
    box-shadow: none;
}
.contact-intro {
    color: var(--text-secondary);
    max-width: 500px;
    margin: -2rem auto 3rem auto;
}

.social-icons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
}

.social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background-color: var(--surface-color);
    box-shadow: var(--card-shadow);
    color: var(--secondary-color);
    font-size: 28px;
    text-decoration: none;
}

.social-icon:hover {
    transform: translateY(-8px) scale(1.1);
    color: var(--light-text);
    box-shadow: var(--card-hover-shadow);
}

.social-icon[data-brand="linkedin"]:hover { background-color: #0077b5; }
.social-icon[data-brand="github"]:hover   { background-color: #333; }
.social-icon[data-brand="facebook"]:hover { background-color: #1877f2; }
.social-icon[data-brand="instagram"]:hover{ background: #d6249f; background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%); }
.social-icon[data-brand="telegram"]:hover { background-color: #229ed9; }
.social-icon[data-brand="youtube"]:hover  { background-color: #ff0000; }
.social-icon[data-brand="email"]:hover    { background-color: var(--accent-color); }

/* =================================== */
/*          9. Footer          */
/* =================================== */
footer {
  background-color: #111827; /* Match dark bg */
}

/* =================================== */
/*    10. Responsive Design (Media Queries) */
/* =================================== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(30, 58, 138, 0.98);
    padding: 1rem;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  html[data-theme="dark"] .navbar-collapse {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
  }
  .navbar.scrolled .navbar-collapse {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
  }
  .navbar .d-flex {
      flex-direction: column;
      width: 100%;
      align-items: stretch !important;
  }
  .theme-switcher {
    margin-top: 1rem;
    margin-left: 0 !important;
  }
  #language-switcher {
    width: 100%;
  }
  #language-switcher .btn {
      justify-content: center;
  }
}

@media (max-width: 767.98px) {
  section { padding: 70px 0; }
  .section-title { font-size: 2.3rem; margin-bottom: 3rem; }
  .section-title::after { width: 60px; height: 4px; bottom: -15px; }
  .hero-content h1 { font-size: 2.6rem; }
  .hero-content .lead { font-size: 1.1rem; }
  .hero-content .profile-img { width: 160px; height: 160px; border-width: 4px; }
  html { scroll-padding-top: 70px; }
  .experience-card { padding: 2rem 1.5rem; }
  .project-card .card-body { padding: 1.25rem; }
}

@media (max-width: 575.98px) {
  .hero-content h1 { font-size: 2.2rem; }
  .experience-card { padding-top: 3.5rem; text-align: center; border-top: 4px solid var(--secondary-color); }
  .social-icons-container { gap: 15px; }
  .social-icon { width: 60px; height: 60px; font-size: 26px; }
}

/* ================================================== */
/* 11. New Section Styles (Certificates & Languages)  */
/* ================================================== */
#certificates .card, #education .card {
  border-radius: 12px;
}
#certificates .card:hover, #education .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--secondary-color);
}
#certificates .card .fa-award {
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
#certificates .card:hover .fa-award {
  transform: scale(1.2) rotate(-10deg);
  color: var(--accent-color) !important;
}

#languages .card {
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}
#languages .card:hover {
  transform: scale(1.05);
  box-shadow: var(--card-hover-shadow);
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}
#languages .card:hover .card-title,
#languages .card:hover .card-text {
  color: var(--light-text);
}
#languages .card-title {
  font-weight: 700;
  color: var(--text-primary);
}
#languages .card-text {
  font-weight: 600;
  color: var(--secondary-color);
}

/* ================================================== */
/* 12. Directionality (RTL/LTR) Support             */
/* ================================================== */
[dir="rtl"] .navbar-nav { margin-right: auto; }
[dir="rtl"] .skill-category h4 i,
[dir="rtl"] .experience-card .text-muted i,
[dir="rtl"] .project-card .btn i,
[dir="rtl"] #language-switcher .btn i { margin-left: 0.5rem; }
[dir="rtl"] .experience-card { border-right: 5px solid var(--secondary-color); border-left: none; }
[dir="rtl"] .experience-card .experience-icon { right: -25px; left: auto; }
[dir="rtl"] .experience-content { text-align: right; }
@media (max-width: 575.98px) {
  [dir="rtl"] .experience-card { border-right: none; }
  [dir="rtl"] .experience-card .experience-icon { top: -25px; left: 50%; transform: translateX(-50%); right: auto; }
}

[dir="ltr"] .navbar-nav { margin-left: auto; }
[dir="ltr"] .skill-category h4 i,
[dir="ltr"] .experience-card .text-muted i,
[dir="ltr"] .project-card .btn i,
[dir="ltr"] #language-switcher .btn i { margin-right: 0.5rem; }
[dir="ltr"] .experience-card { border-left: 5px solid var(--secondary-color); border-right: none; }
[dir="ltr"] .experience-card .experience-icon { left: -25px; right: auto; }
[dir="ltr"] .experience-content { text-align: left; }
@media (max-width: 575.98px) {
  [dir="ltr"] .experience-card { border-left: none; }
  [dir="ltr"] .experience-card .experience-icon { top: -25px; left: 50%; transform: translateX(-50%); }
}

/* ================================================== */
/* 13. Skeleton Loader Styles                       */
/* ================================================== */
.skeleton .skeleton-box {
  background-color: var(--border-color);
  border-radius: 4px;
  background-image: linear-gradient(90deg, var(--border-color) 0px, var(--surface-color) 40px, var(--border-color) 80px);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite linear;
}
@keyframes shimmer {
  0% { background-position: -150% 0; }
  100% { background-position: 150% 0; }
}
.card.skeleton {
  box-shadow: none;
  pointer-events: none;
}

/* ================================================== */
/* 14. Font Family Control                 */
/* ================================================== */
body { font-family: var(--font-ltr); }
[dir="rtl"] body { font-family: var(--font-ar); }

/* ================================================== */
/*          15. Theme Switcher Styles               */
/* ================================================== */
.theme-switcher {
  display: flex;
  align-items: center;
}
.theme-toggle-label {
  cursor: pointer;
  position: relative;
  width: 50px;
  height: 26px;
  background-color: var(--surface-color);
  border: 1px solid var(--secondary-color);
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px;
}
.theme-toggle-label::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--secondary-color);
  top: 3px;
  left: 3px;
  transition: transform 0.3s ease;
}
.theme-toggle-label .fa-moon,
.theme-toggle-label .fa-sun {
  font-size: 14px;
  color: var(--secondary-color);
}
#theme-toggle:checked + .theme-toggle-label::after {
  transform: translateX(24px);
}
[dir="rtl"] .theme-toggle-label::after {
  left: auto;
  right: 3px;
}
[dir="rtl"] #theme-toggle:checked + .theme-toggle-label::after {
  transform: translateX(-24px);
}

/* ================================================== */
/*    16. Final Dark Mode Text Color Fixes (CORRECTED) */
/* ================================================== */

html[data-theme="dark"] #education .card-body *,
html[data-theme="dark"] #certificates .card-body * {
    color: var(--text-primary) !important;
}

/* We still need to override .text-muted specifically because it has !important in Bootstrap */
html[data-theme="dark"] #education .card-body .text-muted,
html[data-theme="dark"] #certificates .card-body .text-muted {
    color: var(--text-secondary) !important;
}

/* ================================================== */
/*          17. Tablet Navbar Fix (iPad Landscape)    */
/* ================================================== */

@media (min-width: 992px) and (max-width: 1199.98px) {
    
  /* 
    الخطوة 1: إلغاء توسيط الروابط وتوزيعها بشكل أفضل.
    هذا هو التعديل الأهم لحل المشكلة.
  */
  .navbar-collapse .navbar-nav.mx-auto {
    margin: 0 !important; /* إلغاء التوسيط */
  }

  /* 
    هذه الخطوة تضمن أن الروابط تدفع العناصر الأخرى (اللغة والثيم)
    إلى أقصى اليمين (في LTR) أو أقصى اليسار (في RTL).
  */
  [dir="ltr"] .navbar-collapse .navbar-nav {
    margin-right: auto !important;
  }
  [dir="rtl"] .navbar-collapse .navbar-nav {
    margin-left: auto !important;
  }
  
  /* الخطوة 2: تقليص المسافات والأحجام قليلاً لتناسب المساحة */
  .navbar .nav-item .nav-link {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
    font-size: 0.88rem;
  }

  .navbar .navbar-brand {
    font-size: 1.1rem;
  }

  #language-switcher .btn {
    font-size: 0.88rem;
    padding: 0.3rem 0.6rem;
  }
  
  #language-switcher {
    margin: 0 8px !important;
  }
  
  .theme-switcher {
    margin-left: 0 !important;
  }
  [dir="rtl"] .theme-switcher {
    margin-right: 0 !important;
    margin-left: initial !important;
  }
}