body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 15px 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: flex-end;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 16px;
}

nav ul li a:hover {
    color: #3498db;
}

section {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
}

.welcome-box {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.welcome-box h2 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.welcome-box p {
    color: #34495e;
    font-size: 16px;
}

.credits {
    background-color: #3498db;
    color: white;
    padding: 10px;
    border-radius: 5px;
    display: inline-block;
    margin: 10px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

.button {
    padding: 5px 10px;
    cursor: pointer;
}

.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 20px;
    border: 1px solid #ccc;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    max-width: 80%;
}

.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.timer {
    margin-top: 10px;
    font-weight: bold;
    text-align: center;
}

/* Yeni stiller: Admin ve Video Ekle için */
.admin-table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.admin-table th, .admin-table td {
    padding: 12px;
    white-space: nowrap; /* Kelimeler kırılmasın */
}

.admin-table th {
    background-color: #3498db;
    color: white;
}

.admin-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.action-form {
    display: flex;
    justify-content: center;
    gap: 10px;
    align-items: center;
}

.action-form input[type="number"] {
    width: 80px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.search-box {
    margin-bottom: 20px;
}

.search-box input[type="text"] {
    padding: 10px;
    width: 300px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.search-box button {
    padding: 10px 15px;
    margin-left: 10px;
}

.video-add-form {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.video-add-form input[type="url"],
.video-add-form select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.video-add-form button {
    padding: 10px 15px;
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.video-add-form button:hover {
    background-color: #34495e;
}