:root {
    --primary: #7b35ab;
    --primary-hover: #6a2d94;
    --dark-blue: #0a2540;
}



/* Responsive uyum için örnek */
@media (max-width: 576px) {
  .announcement-bar {
      font-size: 0.85rem;
      padding: 8px 10px;
  }
}


body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Social Sidebar */
.social-sidebar {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: scale(1.1);
    color: var(--primary-hover);
}

/* Registration Section - Icon Based Cards */

.registration-card.icon-card {
  
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  padding: 0;
  /*height: 400px;*/
  display: flex;
  flex-direction: column;
}

.registration-card.icon-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.card-icon-header {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.expert-card-style .card-icon-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.client-card-style .card-icon-header {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.student-card-style .card-icon-header {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.card-icon {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: white;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}




.registration-card.icon-card:hover .card-icon {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary) !important;
}

.nav-link {
    color: #333 !important;
    font-weight: 500;
    padding: 8px 16px !important;
}

.nav-link.btn {
    color: white !important;
    background-color: var(--primary);
    border-color: var(--primary);
}

.nav-link.btn:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.hero {
    background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url(bg.jpg);
    background-size: cover;
    background-position: center;
    padding-top: 76px;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

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

.btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* About Section */
.about-section {
    background-color: #f8f9fa;
}

.about-content h6 {
    font-weight: 600;
    letter-spacing: 1px;
}

.about-content h2 {
    font-weight: 700;
    color: #333;
}

.progress {
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
}

.progress-bar {
    background-color: var(--primary);
    border-radius: 4px;
}

.progress-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: #666;
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.experience-badge h2 {
    color: var(--primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1;
}

.experience-badge p {
    color: #666;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Categories Section */
.categories-section {
    padding: 60px 0;
    background-color: #fff;
}

.categories-section h2 {
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
}

.category-card {
    height: 100%;
    padding: 30px 20px;
    text-align: center;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(123, 53, 171, 0.1);
}

.category-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.category-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.category-card p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0;
}

.btn-category-all {
    background-color: var(--primary);
    color: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.btn-category-all:hover {
    background-color: var(--primary-hover);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(123, 53, 171, 0.2);
}

.btn-category-all .category-icon {
    color: white;
    margin-bottom: 20px;
}

.btn-category-all h4 {
    color: white;
    margin-bottom: 15px;
}

.btn-category-all p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* Features Section */
.features-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.feature-card {
    height: 100%;
    padding: 40px 30px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(123, 53, 171, 0.1);
}

.feature-icon {
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-content h4 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.feature-content p {
    color: #666;
    margin-bottom: 0;
}

/* Registration Section */
.registration-section {
    background-color: var(--dark-blue);
    padding: 80px 0;
}

.registration-card {
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: all 0.3s ease;
    display: flex;
    align-items: stretch;
}

.registration-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.card-content {
    padding: 2.5rem;
   /* display: flex;*/
    flex-direction: column;
    justify-content: center;
}

.card-image {
    width: 45%;
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.registration-card:hover .card-image img {
    transform: scale(1.05);
}

.registration-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.registration-card p {
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
    line-height: 1.6;
}

.registration-card .btn {
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;

    align-self: flex-start;
}

.registration-card .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

/* Experts Section */
.experts-section {
    padding: 80px 0;
    background-color: #fff;
}

.experts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.experts-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    position: relative;
}

.experts-header h2::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--primary);
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.experts-header .btn {
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 500;
}

.expert-card {
    text-align: center;
    margin-bottom: 30px;
}

.expert-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
}

.expert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-name-index {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.expert-title {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.expert-link {
    color: #666;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.expert-link:hover {
    color: var(--primary);
}

/* Comments Section */
.comments-section {
    background-color: #f8f9fa;
}

.section-header {
    margin-bottom: 50px;
    position: relative;
}

.section-header .decorative-line {
    width: 100px;
    height: 3px;
    background: var(--primary);
    margin: 0 auto 15px;
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-header p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.comment-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.comment-content {
    margin-bottom: 20px;
}

.comment-content p {
    color: #666;
    font-style: italic;
    line-height: 1.6;
    margin: 0;
}

.comment-author {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 5px;
}

.author-info span {
    color: var(--primary);
    font-size: 0.9rem;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Footer Section */
.footer-section {
    background: var(--dark-blue);
    color: white;
    padding: 60px 0 0;
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                      radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-logo {
    max-width: 150px;
    filter: brightness(0) invert(1);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(123, 53, 171, 0.3);
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: white;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 2px;
    min-width: 20px;
}

.contact-item span {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 25px 0;
    margin-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: white;
}

.separator {
    color: rgba(255, 255, 255, 0.3);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .social-sidebar {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    .experience-badge {
        right: 0;
        bottom: -20px;
        padding: 15px;
    }

    .experience-badge h2 {
        font-size: 2rem;
    }

    .category-card {
        margin-bottom: 20px;
    }

    .feature-card {
        margin-bottom: 20px;
        padding: 30px 20px;
    }
    
    .feature-icon {
        font-size: 2rem;
    }
    
    .feature-content h4 {
        font-size: 1.25rem;
    }

    .registration-card {
        margin-bottom: 30px;
    }

    .card-image img {
        height: 100%;
        object-fit:cover;
    }

    .registration-card h3 {
        font-size: 1.75rem;
    }

    .registration-card p {
        font-size: 1rem;
    }

    .registration-card .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .experts-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .experts-header h2::before {
        left: 50%;
        transform: translateX(-50%);
    }

    .comment-card {
        margin-bottom: 20px;
    }

    .footer-section {
        padding: 40px 0 0;
    }

    .footer-bottom-links {
        justify-content: center;
        margin-top: 15px;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 991px) {
    .category-card {
        padding: 20px 15px;
    }
    
    .categories-section .row {
        justify-content: center;
    }
}

@media (min-width: 992px) {
    .categories-section .row {
        min-height: 600px;
    }
}

@media (max-width: 768px) {
    .categories-section .row > div {
        flex: 0 0 100%;
        max-width: 100%;
    }
}




/* Footer alt boşluk düzeltmesi */
.footer-section {
    margin-bottom: 0;
    padding-bottom: 0;
}

/* Footer mobil düzenlemeleri */
@media (max-width: 768px) {
    .footer-section .row > div:not(.col-lg-4) {
        flex: 0 0 50%;
        /* max-width: 50%; */
    }

    .footer-section .col-lg-4 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    /* Footer bottom mobil düzenleme */
    .footer-bottom .row {
        flex-direction: column;
        text-align: center !important;
    }

    .footer-bottom .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 10px;
    }

    .footer-bottom .col-md-6:last-child {
        margin-bottom: 0;
    }

    .footer-bottom-links {
        justify-content: center !important;
    }
}

/* KDV yazısı mobilde ortalanmış */
@media (max-width: 768px) {
    .kdv-info {
        text-align: center !important;
        right: 0 !important;
        position: static !important;
    }
}

/* KDV yazısı mobil ekranlarda font ayarı */
@media (max-width: 576px) {
    .kdv-info {
        font-size: 1.0rem !important;
    }
}

/* Footer'ın alt boşluğunu tamamen kaldır */
.footer-bottom {
    margin-bottom: 0 !important;
    padding-bottom: 20px !important;
}




.calendar-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
  }

  .calendar-nav {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1.5rem;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
  }

  .calendar-nav:hover {
    background: var(--primary);
    color: white;
  }

  .calendar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
  }

  .calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
            gap: 1px;
    background: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
  }

  .calendar-day-header {
    background: var(--primary);
    color: white;
    padding: 15px 5px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
  }

  .calendar-day {
    background: white;
    padding: 15px 5px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }

  .calendar-day:hover {
    background: rgba(123, 53, 171, 0.1);
  }

  .calendar-day.other-month {
    color: #ccc;
    background: #f8f9fa;
  }

  .calendar-day.selected {
    background: var(--primary);
    color: white;
    font-weight: 600;
  }

  .calendar-day.has-appointment {
    background: rgba(76, 175, 80, 0.1);
    border: 2px solid #4caf50;
  }

  .calendar-day.unavailable {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    cursor: not-allowed;
  }

  .time-slots-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .time-period {
    margin-bottom: 20px;
  }

  .time-period h6 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(123, 53, 171, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--primary);
    font-size: 0.9rem;
  }

  .time-slots-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 10px;
  }

  .time-slot {
    padding: 10px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-align: center;
    font-weight: 500;
    font-size: 0.85rem;
  }

  .time-slot.available {
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
    border-color: #4caf50;
  }

  .time-slot.available:hover {
    background: #4caf50;
    color: white;
  }

  .time-slot.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
  }

  .time-slot.occupied {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    border-color: #f44336;
    cursor: not-allowed;
  }

  .appointment-summary {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    height: fit-content;
    position: relative;
    z-index: 1;
  }

  .summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
  }

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

  .summary-label {
    font-weight: 500;
    color: #666;
  }

  .summary-value {
    font-weight: 600;
    color: var(--primary);
  }

  .price-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
  }

  .price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
  }

  .price-item:last-child {
    border-bottom: none;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary);
    background: rgba(123, 53, 171, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
  }

  .buttons-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
  }

  .btn-create-appointment {
    background: linear-gradient(135deg, #4caf50, #45a049);
    border: none;
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    width: 100%;
  }

  .btn-create-appointment:hover {
    background: linear-gradient(135deg, #45a049, #3d8b40);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
  }

  .btn-create-invoice {
    background: linear-gradient(135deg, #ff9800, #e68900);
    border: none;
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
  }

  .btn-create-invoice:hover {
    background: linear-gradient(135deg, #e68900, #cc7a00);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.3);
  }

  .appointment-info-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
  }

  .expert-info {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
  }

  .expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin-right: 20px;
    object-fit: cover;
    border: 4px solid var(--primary);
  }

  .expert-details h4 {
    margin: 0 0 8px 0;
    color: var(--primary);
    font-weight: 600;
    font-size: 1.4rem;
  }

  .expert-details p {
    margin: 0 0 5px 0;
    color: #666;
  }

  .expert-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
  }

  .stat-item {
    text-align: center;
    padding: 15px;
    background: rgba(123, 53, 171, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(123, 53, 171, 0.1);
  }

  .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
  }

  .stat-label {
    font-size: 0.8rem;
    color: #666;
    margin-top: 5px;
  }

  .service-options,
  .topic-options {
    margin-bottom: 20px;
    max-height: 300px;
    overflow-y: auto;
    padding-right: 10px;
  }

  .service-option,
  .topic-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .service-option:hover,
  .topic-option:hover {
    border-color: var(--primary);
    background: rgba(123, 53, 171, 0.05);
  }

  .service-option.selected,
  .topic-option.selected {
    border-color: var(--primary);
    background: rgba(123, 53, 171, 0.1);
  }

  .service-option input[type="radio"],
  .topic-option input[type="radio"] {
    margin-right: 10px;
  }

  .service-price {
    font-weight: 600;
    color: var(--primary);
  }

  .expert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
  }

  .badge-item {
    background: var(--primary);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
  }

  .expert-experience {
    margin-top: 20px;
    padding: 15px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 10px;
    border-left: 4px solid #4caf50;
  }

  /* Reklam Alanları Stilleri */
  .ad-banner {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .ad-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(
      90deg,
      var(--primary),
      #ff9800,
      var(--primary)
    );
  }

  .ad-banner h5 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.1rem;
  }

  .ad-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    align-items: center;
  }

  .ad-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    /* transition: all 0.3s ease; */
    /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
    margin-bottom: 10px;
  }
  .ad-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  }

  .ad-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  .ad-item:hover img {
    transform: scale(1.05);
  }

  .ad-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 15px;
    text-align: center;
  }

  .ad-overlay h6 {
    margin: 0 0 5px 0;
    font-weight: 600;
    font-size: 0.9rem;
  }

  .ad-overlay p {
    margin: 0;
    font-size: 0.8rem;
    opacity: 0.9;
  }

  .sidebar-ads {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 20px;
  }

  .sidebar-ads h5 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1rem;
    text-align: center;
  }

  .sidebar-ad-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .sidebar-ad-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .sidebar-ad-item:hover {
    transform: scale(1.02);
  }

  .sidebar-ad-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
  }

  /* Responsive Tasarım */
  @media (max-width: 1200px) {
    .expert-info {
      flex-direction: column;
      text-align: center;
    }

    .expert-avatar {
      margin-right: 0;
      margin-bottom: 15px;
    }

    .expert-stats {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 992px) {
    .appointment-info-card {
      padding: 20px;
    }

    .calendar-container,
    .time-slots-container {
      padding: 20px;
    }

    .time-slots-grid {
      grid-template-columns: repeat(3, 1fr);
    }

    .ad-content {
      grid-template-columns: 1fr;
    }

    .sidebar-ad-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 768px) {
    .profile-container {
      padding: 10px;
    }

    .container {
      padding-top: 60px !important;
      padding-bottom: 60px !important;
    }

    .appointment-info-card {
      padding: 15px;
      margin-bottom: 20px;
    }

    .expert-avatar {
      width: 80px;
      height: 80px;
    }

    .expert-details h4 {
      font-size: 1.2rem;
    }

    .expert-stats {
      grid-template-columns: 1fr;
    }

    .service-options,
    .topic-options {
      max-height: 250px;
    }

    .service-option,
    .topic-option {
      padding: 12px;
    }

    .calendar-container,
    .time-slots-container {
      padding: 15px;
    }

    .calendar-day {
      min-height: 45px;
      padding: 10px 5px;
    }

    .time-slots-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .time-slot {
      padding: 8px 6px;
      font-size: 0.8rem;
    }

    .appointment-summary,
    .price-section,
    .buttons-section {
      padding: 20px;
    }

    .ad-banner {
      padding: 15px;
    }

    .ad-item img {
      height: 120px;
    }

    .sidebar-ad-grid {
      grid-template-columns: 1fr;
    }

    .sidebar-ad-item img {
      height: 100px;
    }
  }

  @media (max-width: 576px) {
    .container {
      padding-top: 20px !important;
      padding-bottom: 20px !important;
    }

    .appointment-info-card {
      padding: 12px;
    }

    .expert-info {
      flex-direction: column;
    }

    .expert-avatar {
      width: 70px;
      height: 70px;
    }

    .expert-details h4 {
      font-size: 1.1rem;
    }

    .expert-badges {
      justify-content: center;
    }

    .badge-item {
      font-size: 0.7rem;
      padding: 4px 8px;
    }

    .service-option,
    .topic-option {
      flex-direction: column;
      text-align: center;
      gap: 10px;
    }

    .calendar-grid {
      gap: 0;
    }

    .calendar-day {
      min-height: 40px;
      padding: 8px 3px;
      font-size: 0.9rem;
    }

    .calendar-day-header {
      padding: 10px 3px;
      font-size: 0.8rem;
    }

    .time-slots-grid {
      grid-template-columns: 1fr;
    }

    .time-slot {
      padding: 10px;
    }

    .summary-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 5px;
    }

    .price-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 5px;
    }

    .ad-item img {
      height: 100px;
    }

    .ad-overlay {
      padding: 10px;
    }

    .ad-overlay h6 {
      font-size: 0.8rem;
    }

    .ad-overlay p {
      font-size: 0.7rem;
    }
  }
  .calendar-container {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 15px;
        padding: 30px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
      }

      .calendar-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
        padding-bottom: 15px;
        border-bottom: 2px solid var(--primary);
      }

      .calendar-title {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--primary);
        margin: 0;
      }

      .calendar-grid {
        display: block;
        grid-template-columns: repeat(7, 1fr);
        gap: 8px;
        width: 100%;
      }

      .calendar-day {
        background: white;
        padding: 15px 8px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
        min-height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        border: 2px solid #e9ecef;
        border-radius: 8px;
        font-weight: 500;
        font-size: 0.9rem;
      }

      .calendar-day:hover {
        background: rgba(123, 53, 171, 0.1);
        border-color: var(--primary);
      }

      .calendar-day.selected {
        background: var(--primary);
        color: white;
        font-weight: 600;
        border-color: var(--primary);
      }

      .day-select-checkbox {
        position: absolute !important;
        top: 2px !important;
        right: 2px !important;
        width: 12px !important;
        height: 12px !important;
        cursor: pointer !important;
      }

      .time-slots-container {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
      }

      .time-period {
        margin-bottom: 20px;
      }

      .time-period-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
      }

      .time-period h6 {
        color: var(--primary);
        font-weight: 600;
        margin: 0;
        padding: 8px 12px;
        background: rgba(123, 53, 171, 0.1);
        border-radius: 6px;
        border-left: 3px solid var(--primary);
        font-size: 0.9rem;
        flex: 1;
      }

      .period-select-all {
        width: 16px;
        height: 16px;
        cursor: pointer;
      }

      .time-slots-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        margin-bottom: 10px;
      }

      .time-slot {
        padding: 10px 8px;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        border: 2px solid transparent;
        text-align: center;
        font-weight: 500;
        font-size: 0.85rem;
        position: relative;
      }

      .time-slot-checkbox {
        position: absolute;
        top: 2px;
        right: 2px;
        width: 12px;
        height: 12px;
        cursor: pointer;
      }

      .time-slot.available {
        background: rgba(76, 175, 80, 0.1);
        color: #4caf50;
        border-color: #4caf50;
      }

      .time-slot.available:hover {
        background: #4caf50;
        color: white;
      }

      .time-slot.selected {
        background: var(--primary);
        color: white;
        border-color: var(--primary);
      }

      .time-slot.occupied {
        background: rgba(244, 67, 54, 0.1);
        color: #f44336;
        border-color: #f44336;
        cursor: not-allowed;
      }

      .appointment-info-card {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 15px;
        padding: 25px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        margin-bottom: 30px;
      }

      .service-options,
      .topic-options {
        margin-bottom: 20px;
        max-height: 300px;
        overflow-y: auto;
        padding-right: 10px;
      }

      .service-option,
      .topic-option {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px;
        border: 2px solid #e9ecef;
        border-radius: 10px;
        margin-bottom: 10px;
        cursor: pointer;
        transition: all 0.3s ease;
      }

      .service-option:hover,
      .topic-option:hover {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.05);
      }

      .service-option.selected,
      .topic-option.selected {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.1);
      }

      .service-option input[type="radio"],
      .topic-option input[type="radio"] {
        margin-right: 10px;
      }

      .service-price {
        font-weight: 600;
        color: var(--primary);
        display: none; /* Fiyatları gizle */
      }

      .select-all-checkbox {
        background: rgba(123, 53, 171, 0.1);
        border: 2px solid var(--primary);
        border-radius: 10px;
        padding: 10px 15px;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .select-all-checkbox input[type="checkbox"] {
        margin: 0;
      }

      .select-all-checkbox label {
        margin: 0;
        font-weight: 600;
        color: var(--primary);
        cursor: pointer;
      }

      .sub-options {
        margin-left: 20px;
        margin-top: 10px;
        border-left: 3px solid var(--primary);
        padding-left: 15px;
        background: rgba(123, 53, 171, 0.05);
        border-radius: 0 10px 10px 0;
      }

      .sub-option {
        padding: 8px 12px;
        margin-bottom: 8px;
        border: 1px solid #e9ecef;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        background: white;
      }

      .sub-option:hover {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.05);
      }

      .sub-option.selected {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.1);
      }

      .sub-option input[type="radio"] {
        margin-right: 8px;
      }

      .export-button {
        background: linear-gradient(135deg, #28a745, #20c997);
        border: none;
        color: white;
        padding: 15px 25px;
        border-radius: 10px;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s ease;
        width: 100%;
        margin-top: 20px;
      }

      .export-button:hover {
        background: linear-gradient(135deg, #20c997, #17a2b8);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
        color: white;
      }

      .select-all-days {
        background: rgba(123, 53, 171, 0.1);
        border: 2px solid var(--primary);
        border-radius: 10px;
        padding: 10px 15px;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .select-all-times {
        background: rgba(123, 53, 171, 0.1);
        border: 2px solid var(--primary);
        border-radius: 10px;
        padding: 10px 15px;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      /* Responsive Tasarım */
      @media (max-width: 1200px) {
        .calendar-grid {
          grid-template-columns: repeat(7, 1fr);
          gap: 6px;
        }
        
        .calendar-day {
          padding: 12px 6px;
          min-height: 50px;
          font-size: 0.85rem;
        }
      }

      @media (max-width: 992px) {
        .calendar-container {
          padding: 20px;
        }
        
        .time-slots-container {
          padding: 20px;
        }
        
        .calendar-grid {
          gap: 5px;
        }
        
        .calendar-day {
          padding: 10px 4px;
          min-height: 45px;
          font-size: 0.8rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(3, 1fr);
        }
      }

      @media (max-width: 768px) {
        .calendar-container {
          padding: 15px;
        }
        
        .time-slots-container {
          padding: 15px;
        }
        
        .calendar-grid {
          gap: 4px;
        }
        
        .calendar-day {
          padding: 8px 2px;
          min-height: 40px;
          font-size: 0.75rem;
        }
        
        .calendar-title {
          font-size: 1.2rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .time-slot {
          padding: 8px 6px;
          font-size: 0.8rem;
        }
      }

      @media (max-width: 576px) {
        .calendar-container {
          padding: 12px;
        }
        
        .time-slots-container {
          padding: 12px;
        }
        
        .calendar-grid {
          gap: 3px;
        }
        
        .calendar-day {
          padding: 6px 1px;
          min-height: 35px;
          font-size: 0.7rem;
        }
        
        .calendar-title {
          font-size: 1rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(2, 1fr);
          gap: 6px;
        }
        
        .time-slot {
          padding: 6px 4px;
          font-size: 0.75rem;
        }
        
        .day-select-checkbox {
          width: 10px !important;
          height: 10px !important;
        }
        
        .time-slot-checkbox {
          width: 10px;
          height: 10px;
        }
      }

      @media (max-width: 400px) {

        .calendar-day {
          padding: 4px 1px;
          min-height: 30px;
          font-size: 0.65rem;
        }
        
        .time-slots-grid {
          grid-template-columns: 1fr;
        }
      }

	  
	  
	  .calendar-container {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 15px;
        padding: 30px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
      }

      .calendar-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
        padding-bottom: 15px;
        border-bottom: 2px solid var(--primary);
      }

      .calendar-title {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--primary);
        margin: 0;
      }

      .calendar-grid {
        display: block;
        grid-template-columns: repeat(7, 1fr);
        gap: 8px;
        width: 100%;
      }

      .calendar-day {
        background: white;
        padding: 15px 8px;
        text-align: center;
        cursor: pointer;
        transition: all 0.3s ease;
        min-height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        border: 2px solid #e9ecef;
        border-radius: 8px;
        font-weight: 500;
        font-size: 0.9rem;
        margin-bottom: 10px;
      }

      .calendar-day:hover {
        background: rgba(123, 53, 171, 0.1);
        border-color: var(--primary);
      }

      .calendar-day.selected {
        background: var(--primary);
        color: white;
        font-weight: 600;
        border-color: var(--primary);
      }

      .day-select-checkbox {
        position: absolute !important;
        top: 2px !important;
        right: 2px !important;
        width: 12px !important;
        height: 12px !important;
        cursor: pointer !important;
      }

      .time-slots-container {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        display: none;
      }

      .time-slots-container.active {
        display: block;
      }

      .time-period {
        margin-bottom: 20px;
      }

      .time-period-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 12px;
      }

      .time-period h6 {
        color: var(--primary);
        font-weight: 600;
        margin: 0;
        padding: 8px 12px;
        background: rgba(123, 53, 171, 0.1);
        border-radius: 6px;
        border-left: 3px solid var(--primary);
        font-size: 0.9rem;
        flex: 1;
      }

      .period-select-all {
        width: 16px;
        height: 16px;
        cursor: pointer;
      }

      .time-slots-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        margin-bottom: 10px;
      }

      .time-slot {
        padding: 10px 8px;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        border: 2px solid transparent;
        text-align: center;
        font-weight: 500;
        font-size: 0.85rem;
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 5px;
      }

      .time-slot-checkbox {
        position: absolute;
        top: 2px;
        right: 2px;
        width: 12px;
        height: 12px;
        cursor: pointer;
      }

      .time-slot.available {
        background: rgba(76, 175, 80, 0.1);
        color: #4caf50;
        border-color: #4caf50;
      }

      .time-slot.available:hover {
        background: #4caf50;
        color: white;
      }

      .time-slot.selected {
        background: var(--primary);
        color: white;
        border-color: var(--primary);
      }

      .time-slot.occupied {
        background: rgba(244, 67, 54, 0.1);
        color: #f44336;
        border-color: #f44336;
        cursor: not-allowed;
      }

      .appointment-info-card {
        background: rgba(155, 16, 16, 0.267);
        border-radius: 15px;
        padding: 25px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        margin-bottom: 30px;
      }

      .service-options,
      .topic-options {
        margin-bottom: 20px;
        max-height: 300px;
        overflow-y: auto;
        padding-right: 10px;
      }

      .service-option,
      .topic-option {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px;
        border: 2px solid #e9ecef;
        border-radius: 10px;
        margin-bottom: 10px;
        cursor: pointer;
        transition: all 0.3s ease;
      }

      .service-option:hover,
      .topic-option:hover {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.05);
      }

      .service-option.selected,
      .topic-option.selected {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.1);
      }

      .service-option input[type="radio"],
      .topic-option input[type="radio"] {
        margin-right: 10px;
      }

      .service-price {
        font-weight: 600;
        color: var(--primary);
        display: none;
      }

      .price-input {
        width: 80px;
        padding: 5px 8px;
        border: 1px solid #ddd;
        border-radius: 5px;
        font-size: 0.9rem;
        text-align: center;
      }

      .price-input:disabled {
        background-color: #f8f9fa;
        color: #6c757d;
      }

      .select-all-checkbox {
        background: rgba(123, 53, 171, 0.1);
        border: 2px solid var(--primary);
        border-radius: 10px;
        padding: 10px 15px;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
      }

      .select-all-checkbox input[type="checkbox"] {
        margin: 0;
      }

      .select-all-checkbox label {
        margin: 0;
        font-weight: 600;
        color: var(--primary);
        cursor: pointer;
      }

      .sub-options {
        margin-left: 20px;
        margin-top: 10px;
        border-left: 3px solid var(--primary);
        padding-left: 15px;
        background: rgba(123, 53, 171, 0.05);
        border-radius: 0 10px 10px 0;
      }

      .sub-option {
        padding: 8px 12px;
        margin-bottom: 8px;
        border: 1px solid #e9ecef;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.3s ease;
        background: white;
      }

      .sub-option:hover {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.05);
      }

      .sub-option.selected {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.1);
      }

      .sub-option input[type="radio"] {
        margin-right: 8px;
      }

      .export-button {
        background: linear-gradient(135deg, #28a745, #20c997);
        border: none;
        color: white;
        padding: 15px 25px;
        border-radius: 10px;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s ease;
        width: 100%;
        margin-top: 20px;
      }

      .export-button:hover {
        background: linear-gradient(135deg, #20c997, #17a2b8);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
        color: white;
      }

      .save-button {
        background: linear-gradient(135deg, #007bff, #0056b3);
        border: none;
        color: white;
        padding: 10px 20px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all 0.3s ease;
        width: 100%;
        margin-top: 15px;
      }

      .save-button:hover {
        background: linear-gradient(135deg, #0056b3, #004085);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
        color: white;
      }

      .master-control {
        background: linear-gradient(135deg, #ff6b6b, #ee5a52);
        border: 2px solid #ff5252;
        border-radius: 15px;
        padding: 20px;
        margin-bottom: 30px;
        text-align: center;
      }

      .master-control h4 {
        color: white;
        font-weight: 600;
        margin-bottom: 15px;
      }

      .master-control select {
        width: 100%;
        padding: 10px 15px;
        border: none;
        border-radius: 8px;
        font-size: 1rem;
        font-weight: 500;
        background: white;
        color: #333;
      }

      .master-save-button {
        background: linear-gradient(135deg, #28a745, #20c997);
        border: none;
        color: white;
        padding: 20px 40px;
        border-radius: 15px;
        font-weight: 700;
        font-size: 1.2rem;
        transition: all 0.3s ease;
        width: 100%;
        margin-top: 30px;
        box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
      }

      .master-save-button:hover {
        background: linear-gradient(135deg, #20c997, #17a2b8);
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(40, 167, 69, 0.4);
        color: white;
      }

      .time-price-input {
        width: 60px;
        padding: 3px 5px;
        border: 1px solid #ddd;
        border-radius: 3px;
        font-size: 0.8rem;
        text-align: center;
        margin-top: 3px;
      }

      .time-price-input:disabled {
        background-color: #f8f9fa;
        color: #6c757d;
      }

      /* Responsive Tasarım */
      @media (max-width: 1200px) {
        .calendar-grid {
          grid-template-columns: repeat(7, 1fr);
          gap: 6px;
        }
        
        .calendar-day {
          padding: 12px 6px;
          min-height: 50px;
          font-size: 0.85rem;
        }
      }

      @media (max-width: 992px) {
        .calendar-container {
          padding: 20px;
        }
        
        .time-slots-container {
          padding: 20px;
        }
        
        .calendar-grid {
          gap: 5px;
        }
        
        .calendar-day {
          padding: 10px 4px;
          min-height: 45px;
          font-size: 0.8rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(3, 1fr);
        }
      }

      @media (max-width: 768px) {
        .calendar-container {
          padding: 15px;
        }
        
        .time-slots-container {
          padding: 15px;
        }
        
        .calendar-grid {
          gap: 4px;
        }
        
        .calendar-day {
          padding: 8px 2px;
          min-height: 40px;
          font-size: 0.75rem;
        }
        
        .calendar-title {
          font-size: 1.2rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(2, 1fr);
        }
        
        .time-slot {
          padding: 8px 6px;
          font-size: 0.8rem;
        }
      }

      @media (max-width: 576px) {
        .calendar-container {
          padding: 12px;
        }
        
        .time-slots-container {
          padding: 12px;
        }
        
        .calendar-grid {
          gap: 3px;
        }
        
        .calendar-day {
          padding: 6px 1px;
          min-height: 35px;
          font-size: 0.7rem;
        }
        
        .calendar-title {
          font-size: 1rem;
        }
        
        .time-slots-grid {
          grid-template-columns: repeat(2, 1fr);
          gap: 6px;
        }
        
        .time-slot {
          padding: 6px 4px;
          font-size: 0.75rem;
        }
        
        .day-select-checkbox {
          width: 10px !important;
          height: 10px !important;
        }
        
        .time-slot-checkbox {
          width: 10px;
          height: 10px;
        }
      }

      @media (max-width: 400px) {
        .calendar-day {
          padding: 4px 1px;
          min-height: 30px;
          font-size: 0.65rem;
        }
        
        .time-slots-grid {
          grid-template-columns: 1fr;
        }
      }
	  
 
      .groups-hero {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        min-height: 300px;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
      }

      .groups-hero::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url("https://images.pexels.com/photos/3768131/pexels-photo-3768131.jpeg")
          center/cover;
        opacity: 0.1;
        z-index: 1;
      }

      .groups-hero-content {
        text-align: center;
        color: white;
        position: relative;
        z-index: 10;
      }

      .groups-hero h1 {
        font-size: 3rem;
        font-weight: 700;
        margin-bottom: 15px;
        text-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
      }

      .breadcrumb-nav {
        color: rgba(255, 255, 255, 0.9);
        font-size: 1.1rem;
      }

      .breadcrumb-nav a {
        color: rgba(255, 255, 255, 0.9);
        text-decoration: none;
        transition: color 0.3s ease;
      }

      .breadcrumb-nav a:hover {
        color: white;
      }

      .breadcrumb-separator {
        margin: 0 10px;
        color: rgba(255, 255, 255, 0.7);
      }

      .groups-content {
        background: linear-gradient(135deg, #0a1a2e 0%, #16213e 100%);
        min-height: 100vh;
        padding: 80px 0;
      }

      .groups-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 40px;
        flex-wrap: wrap;
        gap: 20px;
      }

      .groups-title {
        color: white;
        font-size: 2rem;
        font-weight: 600;
        margin: 0;
      }

      .groups-controls {
        display: flex;
        gap: 15px;
        align-items: center;
        flex-wrap: wrap;
      }

      .search-group {
        position: relative;
      }

      .search-input {
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.2);
        border-radius: 25px;
        padding: 10px 20px 10px 45px;
        color: white;
        font-size: 0.9rem;
        width: 250px;
        backdrop-filter: blur(10px);
        transition: all 0.3s ease;
      }

      .search-input:focus {
        outline: none;
        border-color: rgba(255, 255, 255, 0.5);
        background: rgba(255, 255, 255, 0.15);
      }

      .search-input::placeholder {
        color: rgba(255, 255, 255, 0.7);
      }

      .search-icon {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: rgba(255, 255, 255, 0.7);
        font-size: 1rem;
      }

      .btn-search {
        background: linear-gradient(
          135deg,
          var(--primary),
          var(--primary-hover)
        );
        border: none;
        color: white;
        padding: 10px 20px;
        border-radius: 25px;
        font-weight: 500;
        transition: all 0.3s ease;
      }

      .btn-search:hover {
        background: linear-gradient(135deg, var(--primary-hover), #5a2580);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(123, 53, 171, 0.3);
      }

      .groups-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
        margin-bottom: 50px;
        justify-content: center; /* ✅ Ekle: Tek öğeyi ortalar */
      }

      .package-card {
        background: rgba(255, 255, 255, 0.95);
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        position: relative;

        width: 100%;
        max-width: 400px;
      }

      .package-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      }

      .expert-header {
        position: relative;
        height: 200px;
        overflow: hidden;
      }

      .expert-photo {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
      }

      .package-card:hover .expert-photo {
        transform: scale(1.05);
      }

      .expert-name {
        position: absolute;
        bottom: 5px;
        left: 15px;
        background: rgba(0, 0, 0, 0.7);
        color: white;
        padding: 8px 15px;
        border-radius: 20px;
        font-weight: 600;
        font-size: 0.9rem;
        backdrop-filter: blur(10px);
      }

      .package-content {
        padding: 25px;
      }

      .package-title {
        display: flex !important;
        justify-content: center;
        font-size: 1.3rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 10px;
        line-height: 1.4;
      }

      .package-description {
        color: #666;
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 20px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
      }

      .time-selector {
        display: flex;
        gap: 8px;
        margin-bottom: 20px;
        background: #f8f9fa;
        padding: 5px;
        border-radius: 25px;
      }

      .time-option {
        flex: 1;
        padding: 8px 12px;
        border: none;
        background: transparent;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 500;
        color: #666;
        cursor: pointer;
        transition: all 0.3s ease;
      }

      .time-option.active {
        background: var(--primary);
        color: white;
        box-shadow: 0 2px 8px rgba(123, 53, 171, 0.3);
      }

      .time-option:hover:not(.active) {
        background: rgba(123, 53, 171, 0.1);
        color: var(--primary);
      }

   .package-options {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        margin-bottom: 25px;
      }

      .package-option {
        text-align: center;
        padding: 15px 10px;
        border: 2px solid #e9ecef;
        border-radius: 12px;
        cursor: pointer;
        transition: all 0.3s ease;
        background: white;
      }

      .package-option:hover {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.05);
      }

      .package-option.selected {
        border-color: var(--primary);
        background: rgba(123, 53, 171, 0.1);
      }

      .option-period {
        font-weight: 600;
        color: #333;
        font-size: 0.9rem;
        margin-bottom: 5px;
      }

      .option-price {
        color: var(--primary);
        font-weight: 700;
        font-size: 1.1rem;
      }

      .package-buy-btn {
        background: linear-gradient(
          135deg,
          var(--primary),
          var(--primary-hover)
        );
        color: white;
        border: none;
        padding: 15px 25px;
        border-radius: 25px;
        font-weight: 600;
        font-size: 1rem;
        transition: all 0.3s ease;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
      }

      .package-buy-btn:hover {
        background: linear-gradient(135deg, var(--primary-hover), #5a2580);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(123, 53, 171, 0.3);
      }

      .pagination-section {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 10px;
        margin-top: 50px;
      }

      .pagination-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 2px solid rgba(255, 255, 255, 0.3);
        background: rgba(255, 255, 255, 0.1);
        color: white;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
      }

      .pagination-btn:hover,
      .pagination-btn.active {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
        transform: translateY(-2px);
      }

      .pagination-btn.disabled {
        opacity: 0.5;
        cursor: not-allowed;
      }

      .floating-elements {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 2;
      }

      .floating-element {
        position: absolute;
        color: rgba(255, 255, 255, 0.1);
        animation: float 6s ease-in-out infinite;
      }

      .floating-element:nth-child(1) {
        top: 20%;
        left: 10%;
        animation-delay: 0s;
      }

      .floating-element:nth-child(2) {
        top: 60%;
        right: 15%;
        animation-delay: 2s;
      }

      .floating-element:nth-child(3) {
        bottom: 30%;
        left: 20%;
        animation-delay: 4s;
      }

      @keyframes float {
        0%,
        100% {
          transform: translateY(0px);
        }
        50% {
          transform: translateY(-20px);
        }
      }

      @media (max-width: 768px) {
        .groups-hero h1 {
          font-size: 2.2rem;
        }

        .groups-grid {
          grid-template-columns: 1fr;
          gap: 20px;
        }

        .groups-header {
          flex-direction: column;
          align-items: stretch;
        }

        .groups-controls {
          justify-content: center;
        }

        .search-input {
          width: 200px;
        }

        .package-content {
          padding: 20px;
        }

        .groups-content {
          padding: 50px 0;
        }

        .time-selector {
          display: flex;
          flex-direction: row;
          gap: 5px;
        }

        /*.package-options {
          grid-template-columns: 1fr;
          gap: 8px;
        }*/
      }

      @media (max-width: 576px) {
        .package-options {
          display: flex;
          flex-direction: row;
          grid-template-columns: repeat(3, 1fr);
          gap: 10px;
          margin-bottom: 25px;
        }

        .groups-hero h1 {
          font-size: 1.8rem;
        }

        .search-input {
          width: 180px;
        }

      
        .search-group {
          width: 100%;
        }

        .search-input {
          width: 100%;
        }

        .groups-grid {
          grid-template-columns: 1fr;
          gap: 15px;
        }
      }
      .expert-sidebar {
        background-color: #ffffff;
        border: 1px solid #eee;
        border-radius: 10px;
        padding: 15px;
        box-shadow: 0 0 10px rgba(0,0,0,0.03);
      }
      
      .expert-menu {
        list-style: none;
        margin: 0;
        padding: 0;
      }
      
      .expert-menu li {
        padding: 12px 15px;
        margin-bottom: 8px;
        border-radius: 8px;
        font-weight: 500;
        color: #495057;
        transition: all 0.3s ease;
        cursor: pointer;
        display: flex;
        align-items: center;
      }
      
      .expert-menu li:hover,
      .expert-menu li.active {
        background-color: #0d6efd;
        color: white;
      }
      
      .expert-menu li i {
        margin-right: 8px;
      }