.progress-circle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: #f0f0f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0e1c23;
    font-size: 14px;
}

body.dark-mode .progress-circle {
    color: #fff;
}

.modal {
    display: block;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    text-align: center;
    border-radius: 10px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* General Styles */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
    transition: background-color 0.5s ease, color 0.5s ease;
}

header {
    background-color: #2c3e50; /* خلفية داكنة لزيادة التباين */
    color: white;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0% { text-shadow: 0 0 5px rgba(255, 255, 255, 0.5); }
    50% { text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); }
    100% { text-shadow: 0 0 5px rgba(255, 255, 255, 0.5); }
}

header p {
    margin: 15px 0 0;
    font-size: 20px;
    font-weight: 400;
    color: #ecf0f1; /* لون فاتح قليلاً للوصف */
}

/* إزالة الخط الأبيض تحت العنوان */
header h1::after {
    content: none;
}

h1 {
    margin: 0;
    font-size: 24px;
}

button#theme-toggle {
    background: none;
    border: 2px solid white;
    padding: 10px 20px;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

button#theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

main {
    display: flex;
    justify-content: space-between;
    padding: 20px;
}

.content-box {
    width: 70%;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.content {
    padding: 20px;
}

.progress-tracker {
    width: 25%;
    background-color: #f1f3f5;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

.progress-tracker ul {
    list-style: none;
    padding: 0;
}

.progress-tracker li {
    padding: 10px 0;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.progress-tracker li:hover {
    color: #4a90e2;
}

.progress-tracker li.active {
    font-weight: bold;
    color: #4a90e2;
}

#progress-bar {
    margin-top: 20px;
    width: 100%;
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

#progress {
    height: 100%;
    background-color: #4a90e2;
    border-radius: 4px;
    transition: width 0.3s ease;
}

button.continue-btn,
button.test-btn,
button.finish-btn {
    padding: 10px 20px;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

button.continue-btn:hover,
button.test-btn:hover,
button.finish-btn:hover {
    background-color: #357ABD;
    box-shadow: 0 4px 8px rgba(74, 144, 226, 0.3);
}

.brain-image {
    border: 2px solid #4a90e2;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.brain-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
}

.image-description {
    color: #4a90e2;
    font-weight: 500;
}

.modal-content {
    background-color: #fff;
    border: 1px solid #4a90e2;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.close {
    color: #4a90e2;
}

.close:hover,
.close:focus {
    color: #357ABD;
}

/* Modern touch for headers */
h1, h2, h3 {
    color: #4a90e2;
    text-shadow: 1px 1px 2px rgba(74, 144, 226, 0.1);
}

/* Subtle hover effect for clickable elements */
input[type="radio"]:checked + .image-container {
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.3);
}

/* Smooth transition for all elements */
* {
    transition: all 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
    transition: all 0.3s ease;
}

body.dark-mode header {
    background-color: #1e1e1e;
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

body.dark-mode .content-box {
    background-color: #1e1e1e;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.05);
}

body.dark-mode .progress-tracker {
    background-color: #2a2a2a;
}

body.dark-mode .progress-tracker li.active {
    color: #bb86fc;
}

body.dark-mode #progress-bar {
    background-color: #333;
}

body.dark-mode #progress {
    background-color: #bb86fc;
}

body.dark-mode button.continue-btn,
body.dark-mode button.test-btn,
body.dark-mode button.finish-btn {
    background-color: #bb86fc;
    color: #121212;
    transition: all 0.3s ease;
}

body.dark-mode button.continue-btn:hover,
body.dark-mode button.test-btn:hover,
body.dark-mode button.finish-btn:hover {
    background-color: #3700b3;
    box-shadow: 0 0 15px rgba(187, 134, 252, 0.5);
}

body.dark-mode .brain-image {
    border: 2px solid #bb86fc;
    box-shadow: 0 0 10px rgba(187, 134, 252, 0.3);
}

body.dark-mode .image-description {
    color: #bb86fc;
}

body.dark-mode .modal-content {
    background-color: #1e1e1e;
    border: 1px solid #bb86fc;
}

body.dark-mode .close {
    color: #bb86fc;
}

body.dark-mode .close:hover,
body.dark-mode .close:focus {
    color: #3700b3;
}

/* Neon text effect for headers in dark mode */
body.dark-mode h1, 
body.dark-mode h2, 
body.dark-mode h3 {
    color: #bb86fc;
    text-shadow: 0 0 5px rgba(187, 134, 252, 0.5), 0 0 10px rgba(187, 134, 252, 0.3);
}

/* Glowing effect for active elements */
body.dark-mode input[type="radio"]:checked + .image-container {
    box-shadow: 0 0 15px rgba(187, 134, 252, 0.7);
}

/* Smooth transition for all elements */
body.dark-mode * {
    transition: all 0.3s ease;
}

/* تنسيق الصور في الأقسام */
.mri-scans img, 
.image-selection img {
    width: 200px; /* عرض الصورة */
    height: auto; /* ضبط الارتفاع تلقائيًا بناءً على العرض */
    margin: 10px; /* إضافة مسافة حول الصورة */
    border-radius: 10px; /* جعل الحواف دائرية */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* إضافة ظل خفيف حول الصورة */
}

/* جعل الصور بجانب بعضها بشكل متجاور */
.mri-scans, 
.image-selection {
    display: flex; /* عرض الصور بجانب بعضها */
    justify-content: space-around; /* توزيع المسافات بشكل متساوٍ */
    align-items: center; /* ضبط المحاذاة العمودية */
    flex-wrap: wrap; /* السماح بتعدد الأسطر إذا كانت الشاشة صغيرة */
}

/* تنسيق الشريط المتحرك لتغيير الصور */
.mri-scans input[type="range"], 
.image-selection input[type="range"] {
    width: 100%; /* عرض الشريط بطول العنصر */
    margin-top: 10px; /* مسافة صغيرة أعلى الشريط */
}
.data-cropping {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 20px;
}

.image-preview, .before-after {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.before-after {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.brain-image-frame {
    width: 200px;
    height: auto;
    margin: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 2px solid #4a90e2;
    padding: 5px;
    background-color: white;
}
.container {
    position: relative;
}

.colab-link {
    position: absolute;
    top: 10px;
    left: 10px;
    color: #e0e0e0; /* Gray-white color */
    text-decoration: none; /* Removes underline from link */
}

.colab-link:hover {
    color: #ffffff; /* White color on hover for better visibility */
}