body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to right, #e3f2fd, #fce4ec);
    color: #333;
    margin: 0;
    padding: 0;
}

/* Header */
header {
    background: linear-gradient(135deg, #2196f3, #7e57c2);
    color: white;
    text-align: center;
    padding: 60px 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Navigation */
nav ul {
    list-style: none;
    text-align: center;
    padding: 0;
    margin: 20px 0;
}
nav ul li {
    display: inline-block;
    margin: 0 12px;
}
nav ul li a {
    text-decoration: none;
    color: white;
    background: linear-gradient(to right, #26a69a, #7e57c2);
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 500;
    transition: 0.3s;
}
nav ul li a:hover {
    background: linear-gradient(to right, #7e57c2, #26a69a);
}

/* Image Styling */
.image-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin: 30px 0;
}
.image-container img {
    width: 140px;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.image-container img:hover {
    transform: scale(1.06);
    box-shadow: 0 8px 14px rgba(0,0,0,0.2);
}

/* Section */
section {
    background: linear-gradient(to top right, #ffffff, #e3f2fd);
    padding: 30px;
    margin: 30px auto;
    max-width: 1000px;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
section h2 {
    color: #7e57c2;
    margin-bottom: 15px;
}
section p {
    line-height: 1.7;
}

/* Buttons */
button {
    padding: 12px 24px;
    font-size: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(to right, #2196f3, #ff7043);
    color: white;
    cursor: pointer;
    transition: 0.3s ease;
}
button:hover {
    background: linear-gradient(to right, #ff7043, #2196f3);
    transform: scale(1.05);
}

/* Chat Box */
#chat-box {
    background: #fff3e0;
    padding: 25px;
    max-width: 500px;
    margin: 30px auto;
    border-radius: 14px;
    box-shadow: 0 6px 14px rgba(0,0,0,0.1);
}
#messages {
    background: #ffffff;
    padding: 10px;
    border-radius: 8px;
    max-height: 220px;
    overflow-y: auto;
    margin-bottom: 10px;
}
#message-input {
    width: 65%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
}
#send-message {
    background: #26a69a;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 8px;
    transition: 0.3s;
}
#send-message:hover {
    background: #00796b;
}

/* Video Section */
#video-call-section {
    background: #f1f8ff;
    padding: 35px;
    margin: 40px auto;
    border-radius: 12px;
    max-width: 1000px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}
#video-call-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}
#local-video, #remote-video {
    width: 45%;
    min-height: 280px;
    background: #000;
    border-radius: 12px;
    border: 2px solid #ffd54f;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: #eeeeee;
    color: #555;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}