* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1b5e20, #4caf50);
}

.container {
    width: 360px;
    max-width: calc(100% - 30px);
    background: #fff;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.logo {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 50%;
    transition: 0.4s;
}

.logo:hover {
    transform: rotate(360deg);
}

h1 {
    margin: 15px 0 10px;
}

p {
    margin-bottom: 25px;
    color: #666;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px;
    margin: 12px 0;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 12px;
    border: none;
    transition: 0.3s;
}

.btn i {
    width: 24px;
    font-size: 21px;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
    filter: brightness(0.9);
}

.more-info {
    text-align: center;
    margin-top: 25px;
}

.more-info p {
    color: #666;
    font-size: 18px;
    margin-bottom: 8px;
}

.more-info a {
    color: #222;
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
}

.more-info a:hover {
    color: #25d366;
}

.admin-box {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.admin-box h1,
.admin-box h2 {
    text-align: center;
    margin-bottom: 25px;
}

.admin-box h3 {
    margin-top: 25px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.admin-box label {
    display: block;
    margin-top: 14px;
    font-weight: bold;
}

.admin-box input[type="text"],
.admin-box input[type="file"],
.admin-box input[type="password"],
.admin-box input[type="url"],
.admin-box input[type="color"] {
    width: 100%;
    padding: 13px;
    margin-top: 6px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 10px;
    font-size: 15px;
}

.admin-box button {
    width: 100%;
    padding: 14px;
    margin-top: 20px;
    background: #25d366;
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
}

.admin-box button:hover {
    background: #128c7e;
}

.logo-preview {
    width: 90px;
    height: 90px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    margin-bottom: 15px;
}

.button-card {
    background: #f7f7f7;
    padding: 15px;
    margin: 12px 0;
    border: 1px solid #ddd;
    border-radius: 12px;
}

.delete-link {
    color: red;
    font-weight: bold;
    text-decoration: none;
}

@media (max-width: 768px) {
    .container {
        padding: 25px 20px;
    }

    .admin-box {
        margin: 15px auto;
        padding: 20px;
    }
}