/* (your existing CSS remains exactly the same – no changes) */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      background: #f5f7fb;
      color: #1e293b;
      transition: background 0.3s ease, color 0.3s ease;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      overflow-y: scroll;
      overflow-x: hidden;
    }

    body.dark {
      background: #0f0f1a;
      color: #e2e8f0;
    }

    /* ========== NAVBAR (LeetCode Style) ========== */
    
    .navbar {
      background: #ffffff;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
      position: sticky;
      top: 0;
      z-index: 100;
      padding: 0.3rem 1.5rem;
    }
    body.dark .navbar {
      background: #1a1a2e;
      border-bottom: 1px solid #2d2f42;
    }
    .nav-container {
      max-width: 1400px;
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .nav-left {
      display: flex;
      flex-direction: column;
    }
    .logo-main {
      font-size: 1.5rem;
      font-weight: 800;
      background: linear-gradient(135deg, #1e40af, #7c3aed);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .logo-main i {
      background: none;
      color: #4f46e5;
    }
    .powered-by {
      font-size: 0.65rem;
      color: #64748b;
      letter-spacing: 0.3px;
      margin-top: 2px;
      margin-left: 45px;
    }
    body.dark .powered-by {
      color: #94a3b8;
    }
    .nav-links {
      display: flex;
      gap: 1.8rem;
      align-items: center;
      flex-wrap: wrap;
    }
    .nav-link {
      background: none;
      border: none;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      color: #475569;
      padding: 0.4rem 0;
      transition: 0.2s;
    }
    body.dark .nav-link { color: #94a3b8; }
    .nav-link.active {
      color: #4f46e5;
      border-bottom: 2px solid #4f46e5;
    }
    .nav-right {
      display: flex;
      align-items: center;
      gap: 1.2rem;
    }
    .search-wrapper {
      display: flex;
      align-items: center;
      background: #f1f5f9;
      border-radius: 2rem;
      padding: 0.4rem 0.8rem;
      gap: 0.5rem;
      transition: 0.2s;
    }
    body.dark .search-wrapper {
      background: #2d2f4b;
    }
    .search-wrapper i {
      color: #64748b;
      font-size: 0.9rem;
    }
    .search-wrapper input {
      background: transparent;
      border: none;
      outline: none;
      font-size: 0.85rem;
      width: 180px;
      padding: 0.2rem 0;
      color: #1e293b;
    }
    body.dark .search-wrapper input {
      color: #e2e8f0;
    }
    .search-wrapper input::placeholder {
      color: #94a3b8;
    }
    .profile-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s;
    }
    .profile-icon:hover {
      transform: scale(1.05);
    }
    .dark-toggle {
      background: #e2e8f0;
      border: none;
      padding: 0.5rem 1rem;
      border-radius: 2rem;
      cursor: pointer;
      font-weight: 500;
      font-size: 0.8rem;
    }
    body.dark .dark-toggle {
      background: #2d2f4b;
      color: #e2e8f0;
    }

    /* Profile Modal Popup */
    .profile-modal {
      position: fixed;
      top: 70px;
      right: 2rem;
      background: white;
      border-radius: 1rem;
      box-shadow: 0 20px 35px -12px rgba(0,0,0,0.2);
      width: 260px;
      z-index: 200;
      display: none;
      overflow: hidden;
      border: 1px solid #eef2ff;
    }
    body.dark .profile-modal {
      background: #1e1f2e;
      border-color: #2d2f42;
    }
    .profile-modal.show {
      display: block;
      animation: fadeIn 0.2s ease;
    }
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-10px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .modal-header {
      padding: 1rem;
      border-bottom: 1px solid #eef2ff;
      display: flex;
      align-items: center;
      gap: 0.8rem;
    }
    body.dark .modal-header { border-bottom-color: #2d2f42; }
    .modal-avatar {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.2rem;
    }
    .modal-info h4 { font-size: 1rem; margin-bottom: 0.2rem; }
    .modal-info p { font-size: 0.7rem; color: #64748b; }
    .modal-stats { padding: 0.8rem 1rem; background: #f8fafc; }
    body.dark .modal-stats { background: #2d2f4b; }
    .modal-stats div { display: flex; justify-content: space-between; font-size: 0.8rem; margin: 0.4rem 0; }
    .modal-footer { padding: 0.8rem 1rem; text-align: center; border-top: 1px solid #eef2ff; }
    body.dark .modal-footer { border-top-color: #2d2f42; }
    .modal-footer button { background: none; border: none; color: #ef4444; cursor: pointer; font-size: 0.8rem; width: 100%; text-align: center; }

    /* ========== MAIN CONTAINER ========== */
    .main-container {
       flex: 1; 
      width: 100%;
      max-width: 100%;
      margin: 2rem auto;
      padding: 0 2rem;
      flex: 1;
    }

    /* Hero Section (Dashboard) */
    .hero-section {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      border-radius: 1.5rem;
      padding: 1.8rem 2rem;
      margin-bottom: 2rem;
      color: white;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .hero-content h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.3rem; }
    .hero-stats {
      display: flex;
      gap: 1.8rem;
      background: rgba(255,255,255,0.15);
      padding: 0.6rem 1.5rem;
      border-radius: 2rem;
    }
    .hero-stat { text-align: center; }
    .hero-stat .number { font-size: 1.5rem; font-weight: 800; }
    .hero-stat .label { font-size: 0.7rem; opacity: 0.9; }

    /* Dashboard Cards Grid */
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-bottom: 2rem;
    }
    @media (max-width: 1000px) { .dashboard-grid { grid-template-columns: repeat(3,1fr); } }
    @media (max-width: 600px) { .dashboard-grid { grid-template-columns: 1fr; } }
    @media (max-width: 768px) {
      .hero-section {
        flex-direction: column;
        text-align: center;
      }
      .hero-stats {
        width: 100%;
        justify-content: space-around;
      }
    }
    .stat-card {
      background: #ffffff;
      border-radius: 1.25rem;
      padding: 1.2rem 1.2rem;
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
      border: 1px solid #eef2ff;
    }
    body.dark .stat-card {
      background: #1e1f2e;
      border-color: #2d2f42;
    }
    .stat-header { display: flex; justify-content: space-between; font-size: 0.85rem; color: #64748b; margin-bottom: 0.5rem; }
    .stat-value { font-size: 1.8rem; font-weight: 800; }
    .progress-bar { background: #e2e8f0; border-radius: 1rem; height: 6px; margin: 0.6rem 0; }
    .progress-fill {
      background: linear-gradient(90deg, #4f46e5, #7c3aed, #ec4899);
      background-size: 200% 100%;
      animation: gradientShift 3s ease infinite;
      height: 100%;
      width: 0%;
      border-radius: 1rem;
      position: relative;
      overflow: hidden;
    }
    .progress-fill::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      animation: shimmer 2s infinite;
    }
    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    @keyframes shimmer {
      0% { transform: translateX(-100%); }
      100% { transform: translateX(100%); }
    }

    /* PROBLEMS VIEW - NOW COMPLETELY EMPTY */
    .problems-empty {
      background: rgba(255,255,255,0.5);
      backdrop-filter: blur(8px);
      border-radius: 1.5rem;
      padding: 4rem 2rem;
      text-align: center;
      color: #64748b;
      border: 1px dashed #cbd5e1;
    }
    body.dark .problems-empty {
      background: rgba(30,31,46,0.7);
      border-color: #3b3d5c;
    }
    .problems-empty i {
      font-size: 3rem;
      margin-bottom: 1rem;
      opacity: 0.5;
    }
    .problems-empty h3 {
      font-size: 1.3rem;
      margin-bottom: 0.5rem;
      color: inherit;
    }

    /* Leaderboard Table */
    .leaderboard-card {
      background: #ffffff;
      border-radius: 1.25rem;
      padding: 1.2rem;
      margin-top: 0.5rem;
    }
    body.dark .leaderboard-card { background: #1e1f2e; }
    .leaderboard-table { width: 100%; border-collapse: collapse; }
    .leaderboard-table th, .leaderboard-table td { padding: 0.7rem 0.5rem; text-align: left; border-bottom: 1px solid #eef2ff; }
    body.dark .leaderboard-table td { border-bottom-color: #2d2f42; }
    .rank-badge { font-weight: 800; width: 40px; }

    .footer {
      /* margin-top: 4rem; */
      background: #ffffff;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-top: 1px solid #e2e8f0;
      padding: 3rem 2rem 1.5rem;
      width: 100%;
      transition: all 0.3s ease;
      position: relative;
      bottom: 0;
    }
    body.dark .footer {
      background: #1e1f2e;
      border-top-color: #2d2f42;
    }
    .footer-container {
      max-width: 1280px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2.5rem;
    }
    .footer-col h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #4f46e5;
      margin-bottom: 1.25rem;
      letter-spacing: -0.2px;
      position: relative;
      display: inline-block;
    }
    body.dark .footer-col h3 {
      color: #818cf8;
    }
    .footer-col h3::after {
      content: "";
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 45px;
      height: 3px;
      background: #4f46e5;
      border-radius: 3px;
      transition: width 0.3s ease;
    }
    .footer-col:hover h3::after {
      width: 70px;
    }
    .footer-col p {
      color: #475569;
      font-size: 0.9rem;
      line-height: 1.6;
      margin-bottom: 1rem;
    }
    body.dark .footer-col p {
      color: #cbd5e1;
    }
    .since-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #f1f5f9;
      padding: 0.5rem 1rem;
      border-radius: 40px;
      font-size: 0.8rem;
      color: #4f46e5;
      margin-top: 0.75rem;
      backdrop-filter: blur(4px);
    }
    body.dark .since-badge {
      background: #2d2f4b;
      color: #a5b4fc;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 0.75rem;
    }
    .footer-col ul li a {
      color: #475569;
      text-decoration: none;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      transition: all 0.25s ease;
    }
    body.dark .footer-col ul li a {
      color: #cbd5e1;
    }
    .footer-col ul li a i {
      width: 22px;
      font-size: 0.9rem;
      color: #4f46e5;
      transition: all 0.25s ease;
    }
    .footer-col ul li a:hover {
      color: #4f46e5;
      transform: translateX(5px);
    }
    .footer-col ul li a:hover i {
      color: #6366f1;
      transform: scale(1.1);
    }
    .contact-info li {
      display: flex;
      align-items: flex-start;
      gap: 0.8rem;
      margin-bottom: 0.9rem;
      color: #475569;
      font-size: 0.9rem;
      line-height: 1.5;
    }
    body.dark .contact-info li {
      color: #cbd5e1;
    }
    .contact-info li i {
      width: 22px;
      margin-top: 2px;
      color: #4f46e5;
      font-size: 1rem;
    }
    .contact-info li a {
      color: #475569;
      text-decoration: none;
      transition: color 0.25s ease;
    }
    body.dark .contact-info li a {
      color: #cbd5e1;
    }
    .contact-info li a:hover {
      color: #4f46e5;
    }
    .social-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      margin: 1rem 0 1.2rem;
    }
    .social-links a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: #f1f5f9;
      border-radius: 50%;
      color: #4f46e5;
      font-size: 1.1rem;
      transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
      border: 1px solid #e2e8f0;
      text-decoration: none;
    }
    body.dark .social-links a {
      background: #2d2f4b;
      border-color: #3b3d5c;
      color: #a5b4fc;
    }
    .social-links a:hover {
      background: #4f46e5;
      color: white;
      transform: translateY(-4px) scale(1.05);
      box-shadow: 0 8px 20px -8px #4f46e5;
    }
    .footer-bottom {
      max-width: 1280px;
      margin: 2rem auto 0;
      padding-top: 1.8rem;
      border-top: 1px solid #e2e8f0;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      color: #475569;
      font-size: 0.85rem;
    }
    body.dark .footer-bottom {
      border-top-color: #2d2f42;
      color: #94a3b8;
    }
    .copyright, .credit { display: flex; align-items: center; gap: 0.4rem; }
    .legal-links { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
    .legal-links a { color: #475569; text-decoration: none; display: inline-flex; align-items: center; gap: 0.3rem; transition: color 0.25s ease; }
    body.dark .legal-links a { color: #94a3b8; }
    .legal-links a:hover { color: #4f46e5; }
    .credit .fa-heart { color: #f43f5e; animation: heartbeat 1.5s ease infinite; }
    @keyframes heartbeat { 0%,100%{transform:scale(1);} 50%{transform:scale(1.15);} }
    @media (max-width: 768px) {
      .footer { padding: 2rem 1.2rem 1rem; }
      .footer-container { gap: 2rem; }
      .nav-container { flex-direction: column; align-items: stretch; }
      .nav-links { justify-content: center; }
      .nav-right { justify-content: center; }
      .dashboard-grid { grid-template-columns: 1fr; }
    }
 
    /* Auto-scroll keyframes */
    @keyframes autoScroll {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* =========================
       INFINITE AUTO SCROLL BANNER
    ========================= */
    .photo-container{
      width: 100%;
      overflow: hidden;
      margin-bottom: 2rem;
      position: relative;
    }
    .photo-track{
      display: flex;
      width: max-content;
      gap: 16px;
      animation: infiniteScroll 24s linear infinite;
    }
    .photo-track:hover{
      animation-play-state: paused;
    }
    .gallery-photo{
      width: 320px;
      height: 160px;
      object-fit: cover;
      border-radius: 18px;
      flex-shrink: 0;
    }
    @keyframes infiniteScroll{
      from{ transform: translateX(0); }
      to{ transform: translateX(calc(-50% - 8px)); }
    }
    @media (max-width:768px){
      .gallery-photo{
        width: 240px;
        height: 140px;
      }
    }
    .photo-scroll-wrapper {
      display: flex;
      gap: 15px;
      animation: autoScroll 20s linear infinite;
    }
    .photo-scroll-wrapper:hover {
      animation-play-state: paused;
    }
    .gallery-photo{
      width: 340px;
      min-width: 340px;
      height: 170px;
      object-fit: cover;
      border-radius: 16px;
      flex-shrink: 0;
      cursor: pointer;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    .gallery-photo:hover {
      transform: scale(1.02);
      box-shadow: 0 8px 25px rgba(79, 70, 229, 0.2);
    }
    @media (max-width: 768px) {
       .gallery-photo{
        width: 260px;
        min-width: 260px;
        height: 140px;
      }
      .photo-scroll-wrapper {
        gap: 12px;
      }
      .photo-container {
        padding: 10px 0;
      }
    }
    /* ===== Custom Small Scrollbar ===== */
    ::-webkit-scrollbar {
      width: 6px;
    }
    ::-webkit-scrollbar-track {
      background: transparent;
    }
    ::-webkit-scrollbar-thumb {
      background: #94a3b8;
      border-radius: 20px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #64748b;
    }
    body.dark ::-webkit-scrollbar-thumb {
      background: #475569;
    }
    body.dark ::-webkit-scrollbar-thumb:hover {
      background: #64748b;
    }
    html {
      scrollbar-width: thin;
      scrollbar-color: #94a3b8 transparent;
    }
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-thumb {
      background: #94a3b8;
      border-radius: 20px;
      min-height: 15px;
    }
    ::-webkit-scrollbar-track {
      background: transparent;
    }

    /* =========================
       CATEGORY SECTION
    ========================= */
    .category-wrapper{
      margin-bottom: 2rem;
      width: 100%;
    }
    .top-category-buttons{
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      padding-left: 120px;
      margin-bottom: 1.2rem;
    }
    .category-btn{
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.7rem;
      padding: 0.7rem 1rem;
      border-radius: 10px;
      background: transparent;
      border: 1px solid #e2e8f0;
      font-size: 0.82rem;
      font-weight: 600;
      transition: all 0.25s ease;
    }
    body.dark .category-btn{
      background: #1e1f2e;
      border-color: #2d2f42;
      color: #e2e8f0;
    }
    .category-btn i{
      color: #4f46e5;
    }
    .category-btn:hover{
      transform: translateY(-2px);
      border-color: #6366f1;
      box-shadow: 0 8px 22px rgba(79,70,229,0.12);
    }
    .active-main-category{
      background: linear-gradient(135deg,#4f46e5,#7c3aed);
      color: white;
      border: none;
    }
    .active-main-category i{
      color: white;
    }
    .subtopics-wrapper{
      width: 100%;
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-start;
      align-items: center;
      gap: 12px;
      margin-left: 0;
      padding-left: 0;
    }
    .subtopic-btn{
      border: none;
      cursor: pointer;
      padding: 0.5rem 0.9rem;
      border-radius: 999px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      font-size: 0.74rem;
      font-weight: 500;
      transition: all 0.25s ease;
    }
    body.dark .subtopic-btn{
      background: #1e1f2e;
      border-color: #2d2f42;
      color: #e2e8f0;
    }
    .subtopic-btn:hover{
      border-color: #6366f1;
      color: #4f46e5;
    }
    .active-subtopic{
      background: rgba(79,70,229,0.1);
      color: #4f46e5;
      border-color: #6366f1;
    }
    @media (max-width:768px){
      .top-category-buttons{
        flex-direction: column;
      }
    }
    .emoji{
      filter: hue-rotate(0deg) saturate(1.2);
    }
    @media (max-width: 768px) {
      .nav-container {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links {
        width: 100%;
        justify-content: space-around;
        flex-wrap: wrap;
      }
      .nav-right {
        width: 100%;
        justify-content: space-between;
      }
      .search-wrapper input {
        width: 120px;
      }
    }
    @media (max-width: 768px) {
     .top-category-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    padding-left: 0 !important;
    width: 100%;
  }
       .category-btn {
    width: 100%;
    justify-content: center;
    padding: 0.7rem 0.5rem;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
    .category-btn i,
  .category-btn .emoji {
    flex-shrink: 0;
  }

  /* Optional: if text is too long, allow wrapping */
  .category-btn span:last-child {
    white-space: normal;
    word-break: keep-all;
  }
      .subtopics-wrapper {
        justify-content: flex-start;
      }
    }
    @media (max-width: 768px) {
      .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
      }
      .social-links {
        justify-content: center;
      }
    }
    /* =========================
       QUESTIONS SECTION
    ========================= */
    .questions-container{
      display: flex;
      flex-direction: column;
      gap: 0;
      margin-top: 1.5rem;
    }
    .question-card{
      width: auto;
      min-width: 300px;
      max-width: 100%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 18px;
      padding: 1rem 1.2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: 0.25s ease;
      cursor: pointer;
      margin-bottom: 0;
    }
    body.dark .question-card {
      background: transparent;
      border-bottom-color: #2d2f42;
    }
    .question-card:hover {
      background: rgba(79, 70, 229, 0.04);
      transform: none;
      box-shadow: none;
    }
    body.dark .question-card:hover {
      background: rgba(79, 70, 229, 0.1);
    }
    .question-left{
      display: flex;
      align-items: center;
      flex: 1;
    }
    .question-top{
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      width: 100%;
    }
    .question-number {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 1rem;
      font-weight: 700;
      color: #64748b;
    }
    .question-number i {
      font-size: 0.9rem;
    }
    .question-title{
      font-size: 1rem;
      font-weight: 700;
    }
    .question-tags{
      display: flex;
      gap: 0.7rem;
      flex-wrap: wrap;
    }
    .question-tags span{
      background: #f1f5f9;
      padding: 0.4rem 0.8rem;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 600;
      color: #475569;
    }
    body.dark .question-tags span{
      background: #2d2f4b;
      color: #cbd5e1;
    }
    .difficulty{
      padding: 0.35rem 0.8rem;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 700;
    }
    .easy{
      background: rgba(16,185,129,0.12);
      color: #10b981;
    }
    .medium{
      background: rgba(249,115,22,0.12);
      color: #f97316;
    }
    .hard{
      background: rgba(239,68,68,0.12);
      color: #ef4444;
    }
    .solve-btn{
      border: none;
      background: linear-gradient(135deg,#4f46e5,#7c3aed);
      color: white;
      padding: 0.8rem 1.2rem;
      border-radius: 12px;
      font-size: 0.85rem;
      font-weight: 700;
      cursor: pointer;
      transition: 0.25s ease;
    }
    .solve-btn:hover{
      transform: scale(1.04);
    }
    @media (max-width:768px){
      .question-card{
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        padding: 0.8rem 0.5rem;
      }
      .question-left{
        width: 100%;
      }
      .question-top{
        flex-wrap: wrap;
        gap: 0.5rem;
      }
      .question-right{
        width: 100%;
      }
      .solve-btn{
        width: 100%;
        text-align: center;
        justify-content: center;
      }
    }
    @media (max-width: 768px) {
      .nav-container {
        flex-direction: column;
        align-items: stretch;
        gap: 0.8rem;
      }
      .nav-left {
        align-items: center;
        text-align: center;
      }
      .powered-by {
        margin-left: 0 !important;
        text-align: center;
      }
      .nav-links {
        justify-content: center;
        gap: 0.8rem;
      }
      .nav-right {
        justify-content: center;
        flex-wrap: wrap;
      }
    }
    @media (max-width: 768px) {
      .hero-section {
        flex-direction: column;
        text-align: center;
        padding: 1.2rem;
      }
      .hero-stats {
        width: 100%;
        justify-content: space-around;
        gap: 0.8rem;
      }
      .hero-content h1 {
        font-size: 1.3rem;
      }
    }
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1rem;
    }
    @media (max-width: 768px) {
      .question-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }
      .question-right {
        width: 100%;
      }
      .solve-btn {
        width: 100%;
        text-align: center;
        white-space: normal;
      }
      .question-top {
        flex-wrap: wrap;
        gap: 0.5rem;
      }
    }
    @media (max-width: 768px) {
      .top-category-buttons {
        flex-direction: column;
        width: 100%;
      }
      .category-btn {
        width: 100%;
        justify-content: center;
      }
      .subtopics-wrapper {
        justify-content: flex-start;
        gap: 8px;
      }
      .subtopic-btn {
        font-size: 0.7rem;
        padding: 0.35rem 0.8rem;
      }
    }
    @media (max-width: 768px) {
      .gallery-photo {
        width: 200px;
        height: 120px;
      }
      .photo-track {
        gap: 10px;
      }
    }
    @media (max-width: 480px) {
      .gallery-photo {
        width: 160px;
        height: 100px;
      }
    }
    @media (max-width: 768px) {
      .leaderboard-card {
        overflow-x: auto;
        padding: 1rem;
      }
      .leaderboard-table {
        min-width: 500px;
      }
      .leaderboard-table th,
      .leaderboard-table td {
        padding: 0.5rem;
        font-size: 0.85rem;
      }
    }
    @media (max-width: 768px) {
      .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
      }
      .social-links {
        justify-content: center;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
      }
      .legal-links {
        justify-content: center;
      }
      .footer-col h3::after {
        left: 50%;
        transform: translateX(-50%);
      }
    }
    @media (max-width: 768px) {
      .profile-modal {
        position: fixed;
        top: 60px;
        right: 0.5rem;
        left: 0.5rem;
        width: auto;
        max-width: 300px;
        margin: 0 auto;
      }
    }
    @media (max-width: 768px) {
      .main-container {
        padding: 0 1rem;
        margin: 1rem auto;
      }
    }
    @media (max-width: 480px) {
      .main-container {
        padding: 0 0.8rem;
      }
    }
    @media (max-width: 480px) {
      .stat-value {
        font-size: 1.5rem;
      }
      .stat-header {
        flex-direction: column;
        gap: 0.3rem;
      }
      .stat-card {
        padding: 1rem;
      }
    }
    @media (max-width: 480px) {
      .search-wrapper input {
        width: 100px;
      }
      .dark-toggle {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
      }
      .profile-icon {
        width: 32px;
        height: 32px;
      }
    }
    .dark-toggle i {
      margin-right: 4px;
    }
    body {
      visibility: hidden;
      overflow-x: hidden;
      max-width: 100vw;
    }
    .photo-container,
    .category-wrapper,
    .questions-container {
      width: 100%;
      max-width: 100%;
      overflow-x: hidden;
    }
    /* Floating Particles Background */
    .particles {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      overflow: hidden;
      pointer-events: none;
    }
    .particle {
      position: absolute;
      background: radial-gradient(circle, rgba(79,70,229,0.3), transparent);
      border-radius: 50%;
      animation: float linear infinite;
    }
    @keyframes float {
      0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
      }
      10% { opacity: 1; }
      90% { opacity: 1; }
      100% {
        transform: translateY(-20vh) translateX(100px) rotate(360deg);
        opacity: 0;
      }
    }
    /* ============================================================ */
    /*                    PREMIUM UI ENHANCEMENTS                    */
    /* ============================================================ */
    .stat-card, .question-card, .leaderboard-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body.dark .stat-card,
    body.dark .question-card,
    body.dark .leaderboard-card {
      background: rgba(30, 31, 46, 0.9);
      border-color: rgba(255, 255, 255, 0.1);
    }
    .stat-card:hover, .question-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.2);
      border-color: rgba(79, 70, 229, 0.5);
    }
    .hero-section {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
      background-size: 200% 200%;
      animation: gradientShift 8s ease infinite;
      position: relative;
      overflow: hidden;
    }
    .hero-section::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
      animation: rotate 20s linear infinite;
    }
    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    @keyframes rotate {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    .stat-card {
      position: relative;
      overflow: hidden;
    }
    .stat-card::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(79,70,229,0.1) 0%, transparent 70%);
      border-radius: 50%;
    }
    .stat-header i {
      font-size: 1.2rem;
      margin-right: 0.5rem;
      color: #4f46e5;
    }
    .stat-value {
      font-size: 2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #1e293b, #4f46e5);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    body.dark .stat-value {
      background: linear-gradient(135deg, #e2e8f0, #a5b4fc);
      -webkit-background-clip: text;
      background-clip: text;
    }
    .badge-container {
      margin: 1.5rem 0;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }
    .badge-container span {
      padding: 8px 20px;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      background: linear-gradient(135deg, #f59e0b, #ef4444);
      color: white;
      box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
      transition: all 0.3s ease;
      cursor: default;
      backdrop-filter: blur(5px);
    }
    .badge-container span:hover {
      transform: translateY(-2px) scale(1.05);
      box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    }
    .question-card {
      border-left: 4px solid #4f46e5;
    }
    .question-card[data-solved="true"] {
      border-left-color: #10b981;
      background: rgba(16, 185, 129, 0.05);
    }
    .question-number i {
      transition: all 0.2s ease;
    }
    .question-card:hover .question-number i {
      transform: scale(1.1);
    }
    .easy {
      background: linear-gradient(135deg, rgba(16,185,129,0.15), rgba(16,185,129,0.05));
      box-shadow: 0 2px 8px rgba(16,185,129,0.2);
    }
    .medium {
      background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(249,115,22,0.05));
      box-shadow: 0 2px 8px rgba(249,115,22,0.2);
    }
    .hard {
      background: linear-gradient(135deg, rgba(239,68,68,0.15), rgba(239,68,68,0.05));
      box-shadow: 0 2px 8px rgba(239,68,68,0.2);
    }
    .solve-btn {
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .solve-btn::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      background: rgba(255,255,255,0.3);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      transition: width 0.6s, height 0.6s;
    }
    .solve-btn:hover::before {
      width: 300px;
      height: 300px;
    }
    .progress-fill {
      background: linear-gradient(90deg, #4f46e5, #7c3aed, #ec4899);
      background-size: 200% 100%;
      animation: gradientShift 3s ease infinite;
      position: relative;
      border-radius: 10px;
    }
    .progress-fill::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      animation: shimmer 2s infinite;
    }
    .category-btn {
      transition: all 0.3s ease;
      position: relative;
    }
    .category-btn.active-main-category {
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      box-shadow: 0 4px 15px rgba(79,70,229,0.4);
    }
    .subtopic-btn.active-subtopic {
      background: #4f46e5 !important;
      color: white !important;
      box-shadow: 0 2px 10px rgba(79,70,229,0.3);
    }
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-track {
      background: rgba(0,0,0,0.05);
      border-radius: 10px;
    }
    ::-webkit-scrollbar-thumb {
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      border-radius: 10px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(135deg, #7c3aed, #ec4899);
    }
    .footer {
      margin-top: 4rem;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(0,0,0,0.05);
    }
    body.dark .footer {
      background: rgba(30, 31, 46, 0.95);
    }
    .footer-col h3 {
      position: relative;
      display: inline-block;
    }
    .footer-col h3::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 40px;
      height: 3px;
      background: linear-gradient(90deg, #4f46e5, #7c3aed);
      border-radius: 3px;
      transition: width 0.3s ease;
    }
    .footer-col:hover h3::after {
      width: 70px;
    }
    .social-links a {
      transition: all 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
      background: rgba(79,70,229,0.1);
    }
    .social-links a:hover {
      transform: translateY(-5px) scale(1.1);
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      color: white;
    }
    .hero-content h1 {
      border-right: 2px solid white;
      white-space: nowrap;
      overflow: hidden;
      animation: blinkCursor 0.8s step-end infinite;
    }
    @keyframes blinkCursor {
      from, to { border-color: transparent; }
      50% { border-color: white; }
    }
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    .hero-section, .dashboard-grid, .badge-container {
      animation: fadeInUp 0.6s ease-out forwards;
    }
    .dashboard-grid > div:nth-child(1) { animation-delay: 0.1s; }
    .dashboard-grid > div:nth-child(2) { animation-delay: 0.2s; }
    .dashboard-grid > div:nth-child(3) { animation-delay: 0.3s; }
    .dashboard-grid > div:nth-child(4) { animation-delay: 0.4s; }
    @keyframes skeletonPulse {
      0%, 100% { opacity: 0.5; }
      50% { opacity: 1; }
    }
    .loading-skeleton {
      background: linear-gradient(90deg, #e2e8f0, #f1f5f9, #e2e8f0);
      background-size: 200% 100%;
      animation: skeletonPulse 1.5s ease infinite;
    }
    @media (max-width: 768px) {
      .hero-content h1 {
        font-size: 1.3rem !important;
        white-space: normal;
        border-right: none;
      }
      .stat-card {
        padding: 1rem !important;
      }
      .stat-value {
        font-size: 1.5rem !important;
      }
      .badge-container span {
        padding: 4px 12px !important;
        font-size: 0.7rem !important;
      }
    }
    /* ============================================================ */
    /*     CODING JOURNEY - COMPLETE PAGE PREMIUM DESIGN            */
    /* ============================================================ */
    #dashboardView {
      background: linear-gradient(135deg, #f0f4ff 0%, #e8edf8 100%);
      border-radius: 1.5rem;
      padding: 1.5rem;
      transition: background 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    body.dark #dashboardView {
      background: linear-gradient(135deg, #0a0a14 0%, #12121f 100%);
    }
    #dashboardView .main-container {
      background: transparent;
      padding: 0;
    }
    #dashboardView .hero-section {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
      background-size: 200% 200%;
      animation: dashHeroGradient 8s ease infinite;
      border-radius: 1.5rem;
      position: relative;
      overflow: hidden;
      box-shadow: 0 15px 35px -10px rgba(0,0,0,0.2);
      margin-bottom: 2rem;
    }
    @keyframes dashHeroGradient {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    #dashboardView .hero-content h1 {
      font-size: 2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #ffffff, #ffeaa7, #ffffff);
      background-size: 200% auto;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      animation: dashTitleGlow 3s ease infinite;
      margin-bottom: 0.5rem;
    }
    @keyframes dashTitleGlow {
      0% { filter: drop-shadow(0 0 5px rgba(255,255,255,0.3)); }
      50% { filter: drop-shadow(0 0 15px rgba(255,255,255,0.6)); }
      100% { filter: drop-shadow(0 0 5px rgba(255,255,255,0.3)); }
    }
    #dashboardView .hero-stats {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      border-radius: 2rem;
      padding: 0.6rem 1.5rem;
    }
    body.dark #dashboardView .hero-stats {
      background: rgba(0, 0, 0, 0.3);
    }
    #dashboardView .hero-stat .number {
      font-size: 1.8rem;
      font-weight: 800;
      animation: dashNumberPulse 2s ease-in-out infinite;
      display: inline-block;
    }
    @keyframes dashNumberPulse {
      0% { transform: scale(1); opacity: 0.9; }
      50% { transform: scale(1.05); opacity: 1; }
      100% { transform: scale(1); opacity: 0.9; }
    }
    #dashboardView .stat-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-radius: 1.25rem;
      padding: 1.5rem;
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 8px 20px -6px rgba(0,0,0,0.1);
    }
    body.dark #dashboardView .stat-card {
      background: rgba(30, 31, 46, 0.9);
      border-color: rgba(255, 255, 255, 0.1);
      box-shadow: 0 8px 20px -6px rgba(0,0,0,0.3);
    }
    #dashboardView .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 35px -12px rgba(79, 70, 229, 0.3);
      border-color: rgba(79, 70, 229, 0.5);
    }
    #dashboardView .stat-value {
      font-size: 2rem;
      font-weight: 800;
      background: linear-gradient(135deg, #1e293b, #4f46e5);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      display: inline-block;
    }
    body.dark #dashboardView .stat-value {
      background: linear-gradient(135deg, #e2e8f0, #a5b4fc);
      -webkit-background-clip: text;
      background-clip: text;
    }
    #dashboardView .stat-header i {
      font-size: 1.2rem;
      color: #4f46e5;
      margin-right: 0.5rem;
    }
    body.dark #dashboardView .stat-header i {
      color: #818cf8;
    }
    #dashboardView .progress-bar {
      background: rgba(0, 0, 0, 0.1);
      border-radius: 10px;
      height: 8px;
      overflow: hidden;
    }
    body.dark #dashboardView .progress-bar {
      background: rgba(255, 255, 255, 0.1);
    }
    #dashboardView .progress-fill {
      background: linear-gradient(90deg, #4f46e5, #7c3aed, #ec4899);
      background-size: 200% 100%;
      animation: dashProgressShimmer 3s ease infinite;
      border-radius: 10px;
      height: 100%;
      position: relative;
    }
    @keyframes dashProgressShimmer {
      0% { background-position: 0% 50%; }
      100% { background-position: 200% 50%; }
    }
    #dashboardView .progress-fill::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
      animation: dashProgressGlow 2s infinite;
    }
    @keyframes dashProgressGlow {
      0% { transform: translateX(-100%); }
      100% { transform: translateX(100%); }
    }
    #dashboardView #easyFill {
      background: linear-gradient(90deg, #10b981, #34d399);
      animation: none;
    }
    #dashboardView #mediumFill {
      background: linear-gradient(90deg, #f97316, #fb923c);
      animation: none;
    }
    #dashboardView #hardFill {
      background: linear-gradient(90deg, #ef4444, #f87171);
      animation: none;
    }
    #dashboardView .badge-container {
      margin: 1.5rem 0;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }
    #dashboardView .badge-container span {
      padding: 8px 20px;
      border-radius: 50px;
      font-size: 0.85rem;
      font-weight: 600;
      background: linear-gradient(135deg, #f59e0b, #ef4444);
      color: white;
      box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
      transition: all 0.3s ease;
      cursor: pointer;
    }
    #dashboardView .badge-container span:hover {
      transform: translateY(-3px) scale(1.05);
      box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
    }
    #dashboardView .stat-card:last-child .stat-header span:first-child {
      background: linear-gradient(90deg, #f59e0b, #ef4444, #f59e0b);
      background-size: 200% auto;
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      animation: dashLevelGlow 3s linear infinite;
    }
    @keyframes dashLevelGlow {
      0% { background-position: 0% 50%; }
      100% { background-position: 200% 50%; }
    }
    #dashboardView .dashboard-grid {
      animation: dashGridFadeIn 0.6s ease-out;
    }
    @keyframes dashGridFadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    #dashboardView .stat-card:nth-child(1) { animation-delay: 0.1s; }
    #dashboardView .stat-card:nth-child(2) { animation-delay: 0.2s; }
    #dashboardView .stat-card:nth-child(3) { animation-delay: 0.3s; }
    #dashboardView .stat-card:nth-child(4) { animation-delay: 0.4s; }
    .dashboard-particle {
      position: absolute;
      width: 4px;
      height: 4px;
      background: #4f46e5;
      border-radius: 50%;
      pointer-events: none;
      opacity: 0;
      animation: dashParticleFloat 4s ease-out forwards;
      z-index: 1;
    }
    @keyframes dashParticleFloat {
      0% {
        transform: translateY(0) scale(1);
        opacity: 0.8;
      }
      100% {
        transform: translateY(-100px) scale(0);
        opacity: 0;
      }
    }
    #dashboardView #streakMsg {
      font-size: 0.7rem;
      margin-top: 0.5rem;
      color: #4f46e5;
      font-weight: 500;
    }
    body.dark #dashboardView #streakMsg {
      color: #a5b4fc;
    }
    #dashboardView .stat-card p {
      font-size: 0.7rem;
      margin-top: 0.5rem;
      color: #64748b;
    }
    body.dark #dashboardView .stat-card p {
      color: #94a3b8;
    }
    @media (max-width: 768px) {
      #dashboardView {
        padding: 0.8rem;
      }
      #dashboardView .hero-content h1 {
        font-size: 1.3rem;
      }
      #dashboardView .hero-stat .number {
        font-size: 1.2rem;
      }
      #dashboardView .stat-value {
        font-size: 1.3rem;
      }
      #dashboardView .stat-card {
        padding: 1rem;
      }
      #dashboardView .badge-container span {
        padding: 4px 12px;
        font-size: 0.7rem;
      }
    }
    /* ========== FIX: BANNER COMPLETELY VISIBLE ON MOBILE ========== */
.photo-container {
  width: 100%;
  overflow-x: auto;      /* horizontal scroll agar needed ho, but cut nahi hoga */
  overflow-y: visible;
  margin-bottom: 2rem;
  position: relative;
  -webkit-overflow-scrolling: touch;
}

.photo-track {
  display: flex;
  width: max-content;
  gap: 16px;
  animation: infiniteScroll 24s linear infinite;
  padding: 0.5rem 0;      /* extra padding top/bottom se cut nahi hoga */
}

.photo-track:hover {
  animation-play-state: paused;
}

.gallery-photo {
  width: 320px;
  height: 160px;
  object-fit: cover;
  border-radius: 18px;
  flex-shrink: 0;
  display: block;         /* inline elements se extra spacing hatane ke liye */
}

@keyframes infiniteScroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 8px)); }
}

/* ========== MOBILE FIX: ensure banner not cropped ========== */
@media (max-width: 768px) {
  .photo-container {
    overflow-x: auto;       /* horizontal scroll allow, but cut nahi */
    overflow-y: visible;
    margin: 0.5rem 0 1.5rem 0;
    padding: 0;
  }
  
  .photo-track {
    gap: 12px;
    padding: 0.5rem 0;
    min-height: auto;       /* height fixed nahi, content ke according */
  }
  
  .gallery-photo {
    width: 240px;
    height: 140px;
    min-width: 240px;       /* ensure proper sizing */
    max-width: none;
    flex-shrink: 0;
    object-fit: cover;
  }
}

/* extra small devices */
@media (max-width: 480px) {
  .gallery-photo {
    width: 200px;
    height: 120px;
    min-width: 200px;
  }
  
  .photo-track {
    gap: 10px;
  }
}/* ========== FIX: Mobile Question Cards Compact (Only Problems Page) ========== */
@media (max-width: 768px) {
  /* Question Card - Row layout, not column */
  #problemsView .question-card {
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    padding: 0.6rem 0.8rem !important;
    gap: 0.5rem !important;
  }

  /* Left side - takes remaining space */
  #problemsView .question-left {
    flex: 1 !important;
    min-width: 0 !important;
  }

  /* Top container - horizontal layout */
  #problemsView .question-top {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 0.4rem !important;
    width: 100%;
  }

  /* Question number */
  #problemsView .question-number {
    font-size: 0.75rem !important;
    flex-shrink: 0;
  }

  /* Question title */
  #problemsView .question-title {
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    margin: 0 !important;
    flex: 1;
    min-width: 120px;
  }

  /* Difficulty badge */
  #problemsView .difficulty {
    font-size: 0.6rem !important;
    padding: 0.2rem 0.5rem !important;
    flex-shrink: 0;
  }

  /* Right side - Solve button container */
  #problemsView .question-right {
    flex-shrink: 0 !important;
    width: auto !important;
  }

  /* Solve button - compact, not full width */
  #problemsView .solve-btn {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.7rem !important;
    white-space: nowrap !important;
    width: auto !important;
    min-width: 70px !important;
    border-radius: 8px !important;
  }
}

/* Extra small devices (<=480px) */
@media (max-width: 480px) {
  #problemsView .question-card {
    padding: 0.5rem 0.6rem !important;
  }
  
  #problemsView .question-title {
    font-size: 0.75rem !important;
    min-width: 100px;
  }
  
  #problemsView .solve-btn {
    padding: 0.35rem 0.6rem !important;
    font-size: 0.65rem !important;
    min-width: 60px !important;
  }
  
  #problemsView .difficulty {
    font-size: 0.55rem !important;
  }
}
/* ========== MOBILE: REDUCE ALL GAPS BETWEEN SECTIONS ========== */
@media (max-width: 768px) {
  /* Banner se category wrapper tak gap kam */
  .photo-container {
    margin-bottom: 0.5rem !important;
    margin-top: 0 !important;
  }
  
  /* Category wrapper ka bottom margin kam */
  .category-wrapper {
    margin-bottom: 0.5rem !important;
  }
  
  /* Top category buttons ka bottom margin kam */
  .top-category-buttons {
    margin-bottom: 0.5rem !important;
  }
  
  /* Subtopics wrapper ka bottom margin kam */
  .subtopics-wrapper {
    margin-bottom: 0.5rem !important;
    gap: 6px !important;
  }
  
  /* Questions container ka top margin kam */
  .questions-container {
    margin-top: 0.25rem !important;
  }
  
  /* Main container ke top margin kam */
  .main-container {
    margin-top: 0.5rem !important;
    padding-top: 0 !important;
  }
  
  /* Navbar ke baad ka gap kam */
  body .navbar {
    margin-bottom: 0 !important;
  }
}

/* Extra small devices ke liye aur kam */
@media (max-width: 480px) {
  .photo-container {
    margin-bottom: 0.25rem !important;
  }
  
  .category-wrapper {
    margin-bottom: 0.25rem !important;
  }
  
  .top-category-buttons {
    margin-bottom: 0.25rem !important;
    gap: 0.5rem !important;
  }
  
  .subtopics-wrapper {
    margin-bottom: 0.25rem !important;
    gap: 4px !important;
  }
  
  .questions-container {
    margin-top: 0 !important;
  }
}